{"id":18027,"date":"2026-06-27T20:25:27","date_gmt":"2026-06-27T13:25:27","guid":{"rendered":"https:\/\/www.professional-one.com\/about-professional-one\/"},"modified":"2026-08-21T13:52:17","modified_gmt":"2026-08-21T06:52:17","slug":"about-professional-one","status":"publish","type":"page","link":"https:\/\/www.professional-one.com\/en\/about-professional-one\/","title":{"rendered":"About &#8211; Professional One"},"content":{"rendered":"\n<div class=\"wp-block-group alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div><\/div>\n\n\n\n<style data-wp-block-html=\"css\">\n.pfo-about-hero-section {\nbackground-image: linear-gradient(to bottom, \n                        #051325 0%, \n                        #1a569b 60%, \n                        #fafbfd 100%, \n                        #ffffff 100%);\n    \n    padding: 260px 0 160px 0;  \n    margin-top: -60px !important; \n    margin-bottom: 0px; \n    position: relative;\n    overflow: hidden;\n}\n\n.pfo-about-hero-container {\n    max-width: 1240px;\n    margin: 0 auto;\n    padding: 0 40px;\n    display: flex;\n    justify-content: center;\n    width: 100%;\n}\n\n.pfo-about-hero-content {\n    text-align: center;\n    max-width: 1170px;\n    width: 100%;\n    display: flex;\n    flex-direction: column;\n    align-items: center;\n}\n\n.pfo-about-main-title {\n    font-size: 46px;\n    font-weight: 800;\n    color: #ffffff;\n    line-height: 1.35;\n    margin: 0 0 28px 0;\n    letter-spacing: -0.5px;\n}\n\n.pfo-about-main-desc {\n    font-size: 18px;\n    color: #f1f5f9;\n    line-height: 1.85;\n    margin: 0;\n    padding: 0;\n    font-weight: 300;\n}\n\n@media screen and (max-width: 1024px) {\n    .pfo-about-hero-container {\n        padding: 0 24px;\n    }\n    .pfo-about-hero-section {\n        padding: 140px 0 100px 0;\n        margin-top: -40px !important;\n    }\n    .pfo-about-main-title {\n        font-size: 36px;\n    }\n}\n\n@media screen and (max-width: 650px) {\n    .pfo-about-hero-section {\n        padding: 110px 0 80px 0;\n        margin-top: -30px !important;\n    }\n    .pfo-about-main-title {\n        font-size: 26px;\n        line-height: 1.4;\n        margin-bottom: 20px;\n    }\n    .pfo-about-main-desc {\n        font-size: 15px;\n        line-height: 1.75;\n    }\n}\n<\/style>\n\n<section class=\"pfo-about-hero-section\">\n    <div class=\"pfo-about-hero-container\">\n        \n        <div class=\"pfo-about-hero-content\">\n            <h1 class=\"pfo-about-main-title\">A leading HR outsourcing provider, supporting your success.<br\/> From a leading organization for over 40 years.<\/h1>\n            <p class=\"pfo-about-main-desc\">\n  Professional One started as a specialized expert and has steadily grown into a full-service human resource and technology management partner. We combine the science of understanding human needs with cutting-edge innovation to deliver solutions that always drive your business one step ahead.\n            <\/p>\n        <\/div>\n\n    <\/div>\n<\/section>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div><\/div>\n\n\n\n<style data-wp-block-html=\"css\">\n.pfo-about-history-section {\n    background-color: #ffffff;\n    padding: 80px 40px;\n    position: relative;\n    border-bottom: 1px solid #f8fafc; \n}\n\n.pfo-about-history-container {\n    max-width: 1240px;\n    margin: 0 auto;\n    display: grid;\n    grid-template-columns: 0.8fr 1.2fr; \n    gap: 80px;\n    align-items: center; \n}\n\n.pfo-history-left-badge {\n    display: flex;\n    flex-direction: column;\n    align-items: center;\n    text-align: center;\n}\n\n.pfo-history-mini-sub {\n    font-size: 13px;\n    font-weight: 700;\n    color: #1a569b;\n    letter-spacing: 2px;\n    margin-bottom: 5px;\n}\n\n.pfo-history-big-stat {\n    font-size: 110px; \n    font-weight: 900;\n    color: #051325;\n    line-height: 0.95;\n    margin: 0 0 15px 0;\n    letter-spacing: -3px;\n    background: linear-gradient(135deg, #051325 0%, #1a569b 100%);\n    -webkit-background-clip: text;\n    -webkit-text-fill-color: transparent; \n}\n\n.pfo-history-stat-desc {\n    font-size: 15px;\n    color: #475569;\n    line-height: 1.5;\n    font-weight: 500;\n    max-width: 280px;\n    margin: 0;\n}\n\n.pfo-history-right-content {\n    display: flex;\n    flex-direction: column;\n    gap: 24px;\n}\n\n.pfo-history-main-heading {\n    font-size: 32px;\n    font-weight: 800;\n    color: #051325;\n    margin: 0 0 5px 0;\n    letter-spacing: -0.5px;\n}\n\n.pfo-history-paragraph {\n    font-size: 16px;\n    color: #475569;\n    line-height: 1.85;\n    margin: 0;\n    font-weight: 400;\n}\n\n.pfo-history-paragraph strong {\n    font-weight: 700;\n    color: #1a569b;\n}\n\n@media screen and (max-width: 1024px) {\n    .pfo-about-history-container {\n        grid-template-columns: 1fr; \n        gap: 45px;\n    }\n    .pfo-about-history-section {\n        padding: 70px 24px;\n    }\n    .pfo-history-big-stat {\n        font-size: 85px;\n    }\n    .pfo-history-main-heading {\n        font-size: 26px;\n    }\n}\n\n@media screen and (max-width: 650px) {\n    .pfo-about-history-section {\n        padding: 50px 20px;\n    }\n    .pfo-history-big-stat {\n        font-size: 75px;\n    }\n    .pfo-history-paragraph {\n        font-size: 14.5px;\n        line-height: 1.75;\n    }\n}\n<\/style>\n\n<section class=\"pfo-about-history-section\">\n    <div class=\"pfo-about-history-container\">\n        \n        <div class=\"pfo-history-left-badge\">\n            <span class=\"pfo-history-mini-sub\">OUR JOURNEY<\/span>\n            <h2 class=\"pfo-history-big-stat\">40+<\/h2>\n            <p class=\"pfo-history-stat-desc\">Years of Trusted Partnerships &#038; HR Outsourcing Excellence<\/p>\n        <\/div>\n        \n        <div class=\"pfo-history-right-content\">\n            <h3 class=\"pfo-history-main-heading\">Our Journey<\/h3>\n            \n            <p class=\"pfo-history-paragraph\">\n                <strong>Professional One<\/strong> has over 40 years of experience in HR outsourcing services. We were the first Thai company to be trusted by leading international IT companies to manage their human resources since 1990, a time when outsourcing policies were just beginning in Thailand. Our expertise in recruitment and selection, accurate and timely payroll processing, long-term employee relations management, and deep understanding of Thai labor law led to us being selected as a key partner in Skilled IT Resource Service Provider in 1997, and we have continued to build trust with leading organizations to this day.\n            <\/p>\n            \n            <p class=\"pfo-history-paragraph\">\n  We continuously develop and expand our services to meet the needs of all industries, including Outsourcing, Recruitment, Developer Outsourcing, Visa &#038; Work Permit, and Expat Solutions. We elevate our service standards with ISO 9001, ISO\/IEC 20000-1, and ISO\/IEC 27001 certifications. Building on this success, we established ProOne IT in 2012 to provide comprehensive IT infrastructure and solutions, committed to supporting your business sustainably.\n            <\/p>\n        <\/div>\n\n    <\/div>\n<\/section>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div><\/div>\n\n\n\n<style data-wp-block-html=\"css\">\n.pfo-about-vision-section {\n    background-color: #ffffff;\n    padding: 90px 40px;\n    position: relative;\n}\n\n.pfo-about-vision-container {\n    max-width: 1240px;\n    margin: 0 auto;\n    display: grid;\n    grid-template-columns: 1fr 1.1fr; \n    gap: 90px;\n    align-items: stretch; \n}\n\n.pfo-about-vision-left {\n    display: flex;\n    flex-direction: column;\n    justify-content: space-between; \n    height: 100%;\n}\n\n.pfo-vision-text-top-group {\n    width: 100%;\n}\n\n.pfo-vision-subtitle {\n    font-size: 13px;\n    font-weight: 700;\n    color: #1a569b;\n    letter-spacing: 2px;\n    margin: 0 0 16px 0;\n}\n\n.pfo-vision-block h3 {\n    font-size: 28px;\n    font-weight: 800;\n    color: #051325;\n    line-height: 1.4;\n    margin: 0 0 14px 0;\n    letter-spacing: -0.3px;\n}\n\n.pfo-vision-block .pfo-mission-en-title {\n    color: #1a569b;\n    font-size: 26px;\n}\n\n.pfo-vision-th-desc, \n.pfo-mission-th-desc {\n    font-size: 16px;\n    color: #55657e;\n    line-height: 1.75;\n    margin: 0;\n    font-weight: 500;\n}\n\n.pfo-vision-balance-stretch-box {\n    flex-grow: 1;\n    width: 100%;\n    height: 480px; \n    position: relative;\n    border-radius: 16px; \n    overflow: hidden;\n    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.04);\n    margin-top: 40px;\n}\n\n.pfo-vision-balance-stretch-box img {\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 100%;\n    height: 100%;\n    object-fit: cover;\n    object-position: center center;\n}\n\n.pfo-about-pillars-right {\n    display: flex;\n    flex-direction: column;\n    gap: 60px; \n}\n\n.pfo-pillar-group {\n    display: flex;\n    flex-direction: column;\n    gap: 35px; \n}\n\n.pfo-pillar-main-title {\n    font-size: 13px;\n    font-weight: 700;\n    color: #94a3b8; \n    letter-spacing: 2px;\n    margin: 0 0 5px 0;\n    border-bottom: 1px solid #f1f5f9;\n    padding-bottom: 10px;\n}\n\n.pfo-pillar-item {\n    display: flex;\n    gap: 20px;\n    align-items: flex-start;\n}\n\n.pfo-pillar-dot {\n    width: 6px;\n    height: 6px;\n    background-color: #06C755; \n    border-radius: 50%;\n    margin-top: 11px; \n    flex-shrink: 0;\n}\n\n.pfo-pillar-text h4 {\n    font-size: 18px;\n    font-weight: 700;\n    color: #051325;\n    margin: 0 0 10px 0;\n    line-height: 1.3;\n}\n\n.pfo-txt-en {\n    font-size: 14.5px;\n    color: #475569;\n    line-height: 1.6;\n    margin: 0 0 10px 0; \n    font-weight: 400;\n}\n\n.pfo-txt-th {\n    font-size: 14.5px;\n    color: #64748b;\n    line-height: 1.7;\n    margin: 0;\n    font-weight: 300;\n}\n\n\n.pfo-about-iso-section {\n    background-color: #fafbfd;\n    padding: 120px 40px;\n    position: relative;\n}\n\n.pfo-about-iso-container {\n    max-width: 1240px; \n    margin: 0 auto;\n    width: 100%;\n}\n\n.pfo-iso-header {\n    text-align: center;\n    max-width: 1000px;\n    margin: 0 auto 60px auto; \n}\n\n.pfo-iso-subtitle {\n    font-size: 13px;\n    font-weight: 700;\n    color: #1a569b;\n    letter-spacing: 2px;\n    margin: 0 0 16px 0;\n}\n\n.pfo-iso-title {\n    font-size: 34px;\n    font-weight: 800;\n    color: #1a569b;\n    line-height: 1.4;\n    margin: 0;\n    letter-spacing: -0.5px;\n}\n\n.pfo-iso-grid {\n    display: grid;\n    grid-template-columns: repeat(3, 1fr);\n    gap: 50px;\n    align-items: flex-start;\n}\n\n.pfo-iso-card {\n    display: flex;\n    flex-direction: column;\n    align-items: center; \n    text-align: center;\n    transition: transform 0.3s ease;\n}\n\n.pfo-iso-card:hover {\n    transform: translateY(-6px); \n}\n\n.pfo-iso-img-box {\n    width: 100%;\n    max-width: 220px; \n    margin-bottom: 30px;\n    display: flex;\n    justify-content: center;\n    align-items: center;\n}\n\n.pfo-iso-img-box img {\n    width: 100%;\n    height: auto;\n    display: block;\n    object-fit: contain;\n}\n\n.pfo-iso-text-box h4 {\n    font-size: 20px;\n    font-weight: 800;\n    color: #051325;\n    margin: 0 0 6px 0;\n}\n\n.pfo-iso-en {\n    font-size: 14px;\n    font-weight: 600;\n    color: #1a569b;\n    margin: 0 0 14px 0;\n    line-height: 1.4;\n}\n\n.pfo-iso-th {\n    font-size: 14.5px;\n    color: #64748b;\n    line-height: 1.7;\n    margin: 0;\n    font-weight: 300;\n}\n\n\n@media screen and (max-width: 1024px) {\n    .pfo-about-vision-container {\n        grid-template-columns: 1fr; \n        gap: 60px;\n        align-items: flex-start;\n    }\n    .pfo-about-vision-left {\n        height: auto;\n    }\n    .pfo-vision-balance-stretch-box {\n        height: 350px; \n        flex-grow: 0;\n    }\n    .pfo-vision-balance-stretch-box img {\n        position: relative;\n        height: 100%;\n    }\n    .pfo-about-pillars-right {\n        gap: 45px;\n    }\n    .pfo-iso-grid {\n        grid-template-columns: 1fr;\n        gap: 60px;\n    }\n    .pfo-about-iso-section {\n        padding: 80px 24px;\n    }\n    .pfo-iso-header {\n        margin-bottom: 50px;\n    }\n    .pfo-iso-title {\n        font-size: 28px;\n    }\n}\n\n@media screen and (max-width: 650px) {\n    .pfo-about-vision-section {\n        padding: 60px 20px;\n    }\n    .pfo-vision-balance-stretch-box {\n        height: 240px; \n    }\n    .pfo-pillar-text h4 {\n        font-size: 16.5px;\n    }\n    .pfo-txt-en, \n    .pfo-txt-th {\n        font-size: 14px;\n    }\n    .pfo-about-iso-section {\n        padding: 60px 20px;\n    }\n    .pfo-iso-title {\n        font-size: 24px;\n    }\n    .pfo-iso-img-box {\n        max-width: 180px; \n        margin-bottom: 20px;\n    }\n    .pfo-iso-text-box h4 {\n        font-size: 18px;\n    }\n    .pfo-iso-th {\n        font-size: 14px;\n        line-height: 1.6;\n    }\n}\n<\/style>\n\n<section class=\"pfo-about-vision-section\">\n    <div class=\"pfo-about-vision-container\">\n       \n        <div class=\"pfo-about-vision-left\">\n           \n            <div class=\"pfo-vision-text-top-group\">\n\n                <div class=\"pfo-vision-block\">\n                    <h2 class=\"pfo-vision-subtitle\">VISION<\/h2>\n                    <h3 class=\"pfo-vision-en-title\">International Tech-foundation Partner Specialized in Human and Technology<\/h3>\n                    <p class=\"pfo-vision-th-desc\">A partner in laying the foundation for global technology.<br\/> Possessing expertise in both the arts and the science of technology.<\/p>\n                <\/div>\n                \n                <div class=\"pfo-vision-block\" style=\"margin-top: 50px;\">\n                    <h2 class=\"pfo-vision-subtitle\">MISSION<\/h2>\n                    <h3 class=\"pfo-mission-en-title\">One Step Ahead<br\/> Human &#038; Technology Solution<\/h3>\n                    <p class=\"pfo-mission-th-desc\">Making progress through the artistry of humanity and the science of technology.<\/p>\n                <\/div>\n            <\/div>\n\n            <div class=\"pfo-vision-balance-stretch-box\">\n                <img decoding=\"async\" src=\"https:\/\/www.professional-one.com\/wp-content\/uploads\/2025\/10\/freepik__the-style-is-candid-image-photography-with-natural__17728.png\" alt=\"Professional One Human and Technology Solution\">\n            <\/div>\n            \n        <\/div>\n        \n        <div class=\"pfo-about-pillars-right\">\n            \n            <div class=\"pfo-pillar-group\">\n                <h2 class=\"pfo-pillar-main-title\">ART OF HUMAN<\/h2>\n                \n                <div class=\"pfo-pillar-item\">\n                    <div class=\"pfo-pillar-dot\"><\/div>\n                    <div class=\"pfo-pillar-text\">\n                        <h4>Compassionate Solution<\/h4>\n                        <p class=\"pfo-txt-th\" style=\"font-weight: 700; color: #051325; margin-bottom: 6px;\">Service with understanding.<\/p>\n                        <p class=\"pfo-txt-en\">Always have intensive human understanding to provide most insightful solution for all.<\/p>\n                        <p class=\"pfo-txt-th\">We focus on human-centered understanding in our service delivery, in order to create solutions that meet the needs of every organization.<\/p>\n                    <\/div>\n                <\/div>\n\n                <div class=\"pfo-pillar-item\">\n                    <div class=\"pfo-pillar-dot\"><\/div>\n                    <div class=\"pfo-pillar-text\">\n                        <h4>One Step Ahead Knowledge<\/h4>\n                        <p class=\"pfo-txt-th\" style=\"font-weight: 700; color: #051325; margin-bottom: 6px;\">Promote cutting-edge knowledge.<\/p>\n                        <p class=\"pfo-txt-en\">Put knowledge as priority for all to create constant improvement and one-step-ahead progress beyond market.<\/p>\n                        <p class=\"pfo-txt-th\">The focus is primarily on knowledge development for our personnel, ensuring they always possess the latest knowledge and techniques to provide cutting-edge service.<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n\n            <div class=\"pfo-pillar-group\">\n                <h2 class=\"pfo-pillar-main-title\">SCIENCE OF TECHNOLOGY<\/h2>\n                \n                <div class=\"pfo-pillar-item\">\n                    <div class=\"pfo-pillar-dot\"><\/div>\n                    <div class=\"pfo-pillar-text\">\n                        <h4>One Step Ahead Technology Adoption<\/h4>\n                        <p class=\"pfo-txt-th\" style=\"font-weight: 700; color: #051325; margin-bottom: 6px;\">Seek out more advanced technology options.<\/p>\n                        <p class=\"pfo-txt-en\">Always adopt customer-centric technology to provide one-step-ahead tech solution for all clients.<\/p>\n                        <p class=\"pfo-txt-th\">We are constantly searching for and updating new technologies from around the world to always meet the evolving needs of organizations.<\/p>\n                    <\/div>\n                <\/div>\n\n                <div class=\"pfo-pillar-item\">\n                    <div class=\"pfo-pillar-dot\"><\/div>\n                    <div class=\"pfo-pillar-text\">\n                        <h4>International Standard Technology Service<\/h4>\n                        <p class=\"pfo-txt-th\" style=\"font-weight: 700; color: #051325; margin-bottom: 6px;\">Establishing international standards.<\/p>\n                        <p class=\"pfo-txt-en\">Progressively certified by international standard and license in technology to ensure perfect professionality.<\/p>\n                        <p class=\"pfo-txt-th\">We operate under international standards in both service and technology.<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n            \n        <\/div>\n\n    <\/div>\n<\/section>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<style data-wp-block-html=\"css\">\n.pfo-about-iso-section {\n    background-color: #fafbfd;\n    padding: 80px 40px;\n    position: relative;\n}\n\n.pfo-about-iso-container {\n    max-width: 1200px;\n    margin: 0 auto;\n    width: 100%;\n}\n\n.pfo-iso-header {\n    text-align: center;\n    max-width: 1000px;\n    margin: 0 auto 40px auto; \n}\n\n.pfo-iso-subtitle {\n    font-size: 13px;\n    font-weight: 700;\n    color: #1a569b;\n    letter-spacing: 2px;\n    margin: 0 0 16px 0;\n}\n\n.pfo-iso-title {\n    font-size: 34px;\n    font-weight: 800;\n    color: #1a569b;\n    line-height: 1.4;\n    margin: 0;\n    letter-spacing: -0.5px;\n}\n\n.pfo-iso-grid {\n    display: grid;\n    grid-template-columns: repeat(3, 1fr);\n    gap: 50px;\n    align-items: flex-start;\n}\n\n.pfo-iso-card {\n    display: flex;\n    flex-direction: column;\n    align-items: center; \n    text-align: center;\n    transition: transform 0.3s ease;\n}\n\n.pfo-iso-card:hover {\n    transform: translateY(-6px); \n}\n\n.pfo-iso-img-box {\n    width: 100%;\n    max-width: 220px; \n    margin-bottom: 30px;\n    display: flex;\n    justify-content: center;\n    align-items: center;\n}\n\n.pfo-iso-img-box img {\n    width: 100%;\n    height: auto;\n    display: block;\n    object-fit: contain;\n}\n\n.pfo-iso-text-box h4 {\n    font-size: 20px;\n    font-weight: 800;\n    color: #051325;\n    margin: 0 0 6px 0;\n}\n\n.pfo-iso-en {\n    font-size: 14px;\n    font-weight: 400;\n    color: #1a569b;\n    margin: 0 0 14px 0;\n    line-height: 1.4;\n}\n\n.pfo-iso-th {\n    font-size: 14.5px;\n    color: #64748b;\n    line-height: 1.7;\n    margin: 0;\n    font-weight: 300;\n}\n\n@media screen and (max-width: 1024px) {\n    .pfo-iso-grid {\n        grid-template-columns: 1fr;\n        gap: 60px;\n    }\n    .pfo-about-iso-section {\n        padding: 80px 24px;\n    }\n    .pfo-iso-header {\n        margin-bottom: 50px;\n    }\n    .pfo-iso-title {\n        font-size: 28px;\n    }\n}\n\n@media screen and (max-width: 650px) {\n    .pfo-about-iso-section {\n        padding: 60px 20px;\n    }\n    .pfo-iso-title {\n        font-size: 24px;\n    }\n    .pfo-iso-img-box {\n        max-width: 180px; \n        margin-bottom: 20px;\n    }\n    .pfo-iso-text-box h4 {\n        font-size: 18px;\n    }\n    .pfo-iso-th {\n        font-size: 14px;\n        line-height: 1.6;\n    }\n}\n<\/style>\n\n<section class=\"pfo-about-iso-section\">\n    <div class=\"pfo-about-iso-container\">\n        \n        <div class=\"pfo-iso-header\">\n            <h3 class=\"pfo-iso-title\">International Standards<\/h3>\n        <\/div>\n        \n        <div class=\"pfo-iso-grid\">\n            <div class=\"pfo-iso-card\">\n                <div class=\"pfo-iso-img-box\">\n                    <img decoding=\"async\" src=\"https:\/\/www.professional-one.com\/wp-content\/uploads\/2024\/01\/BVCER_ISO-9001-with-UKAS.png\" alt=\"ISO 9001 Certification Professional One\">\n                <\/div>\n                <div class=\"pfo-iso-text-box\">\n                    <h4>ISO 9001:2015<\/h4>\n                    <p class=\"pfo-iso-en\">Quality Management System (QMS)<\/p>             \n                <\/div>\n            <\/div>\n\n            <div class=\"pfo-iso-card\">\n                <div class=\"pfo-iso-img-box\">\n                    <img decoding=\"async\" src=\"https:\/\/www.professional-one.com\/wp-content\/uploads\/2024\/01\/BVCER_ISO-20000-1-with-UKAS.png\" alt=\"ISO 20000-1 Certification Professional One\">\n                <\/div>\n                <div class=\"pfo-iso-text-box\">\n                    <h4>ISO\/IEC 20000-1:2018<\/h4>\n                    <p class=\"pfo-iso-en\">IT Service Management System (ITSMS)<\/p>\n                    \n                <\/div>\n            <\/div>\n\n            <div class=\"pfo-iso-card\">\n                <div class=\"pfo-iso-img-box\">\n                    <img decoding=\"async\" src=\"https:\/\/www.professional-one.com\/wp-content\/uploads\/2024\/01\/BVCER_ISO-27001-with-UKAS.png\" alt=\"ISO 27001 Certification Professional One\">\n                <\/div>\n                <div class=\"pfo-iso-text-box\">\n                    <h4>ISO\/IEC 27001:2022<\/h4>\n                    <p class=\"pfo-iso-en\">Information Security Management System (ISMS)<\/p>\n                   \n                <\/div>\n            <\/div>\n\n        <\/div>\n\n    <\/div>\n<\/section>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<style data-wp-block-html=\"css\">\n.pfo-sub-modern-section {\n    background-color: #ffffff;\n    padding: 100px 60px; \n    position: relative;\n    border-top: 1px solid #f1f5f9;\n}\n\n.pfo-sub-modern-container {\n    max-width: 1000px; \n    margin: 0 auto;\n    width: 100%;\n    display: flex;\n    flex-direction: column;\n}\n\n.pfo-sub-modern-header {\n    margin-bottom: 80px;\n    text-align: left; \n}\n\n.pfo-sub-modern-title {\n    font-size: 14px;\n    font-weight: 700;\n    color: #94a3b8; \n    letter-spacing: 3px;\n    text-transform: uppercase;\n    margin: 0 0 14px 0;\n}\n\n.pfo-sub-modern-company {\n    font-size: 34px;\n    font-weight: 800;\n    color: #051325;\n    margin: 0;\n    letter-spacing: -0.5px;\n}\n\n.pfo-sub-modern-company span {\n    color: #1a569b; \n    font-weight: 600;\n}\n\n.pfo-sub-modern-flow {\n    display: flex;\n    flex-direction: column;\n    width: 100%;\n}\n\n.pfo-sub-flow-row {\n    display: grid;\n    grid-template-columns: 120px 1fr; \n    gap: 40px;\n    padding: 45px 0;\n    border-top: 1px solid #f1f5f9; \n}\n\n.pfo-sub-flow-row:last-child {\n    border-bottom: 1px solid #f1f5f9; \n}\n\n.pfo-sub-flow-number {\n    font-size: 38px;\n    font-weight: 800;\n    color: #1a569b;\n    line-height: 1;\n    font-family: sans-serif;\n    opacity: 0.8;\n}\n\n.pfo-sub-flow-content {\n    display: flex;\n    flex-direction: column;\n}\n\n.pfo-sub-flow-content h5 {\n    font-size: 22px;\n    font-weight: 800;\n    color: #051325;\n    margin: 0 0 6px 0;\n    line-height: 1.2;\n}\n\n.pfo-sub-flow-content h6 {\n    font-size: 15px;\n    font-weight: 700;\n    color: #1a569b;\n    margin: 0 0 14px 0;\n    line-height: 1.4;\n}\n\n.pfo-sub-flow-content p {\n    font-size: 15px;\n    color: #64748b;\n    line-height: 1.8;\n    margin: 0;\n    font-weight: 300;\n    max-width: 760px;\n}\n\n.pfo-sub-modern-action {\n    margin-top: 50px;\n    display: flex;\n    justify-content: flex-end;\n    width: 100%;\n}\n\n.pfo-sub-modern-link {\n    display: inline-flex;\n    align-items: center;\n    gap: 12px;\n    color: #051325;\n    font-weight: 700;\n    font-size: 16px;\n    text-decoration: none;\n    padding: 6px 0;\n    position: relative;\n}\n\n.pfo-sub-modern-link::after {\n    content: '';\n    position: absolute;\n    bottom: 0;\n    left: 0;\n    width: 30px; \n    height: 2px;\n    background-color: #1a569b;\n    transition: width 0.3s ease;\n}\n\n.pfo-sub-modern-link:hover {\n    color: #1a569b;\n}\n\n.pfo-sub-modern-link:hover::after {\n    width: 100%; \n    background-color: #06C755; \n}\n\n.pfo-sub-modern-link svg {\n    transition: transform 0.3s ease;\n}\n\n.pfo-sub-modern-link:hover svg {\n    transform: translateX(6px);\n    color: #06C755;\n}\n\n@media screen and (max-width: 1024px) {\n    .pfo-sub-modern-section {\n        padding: 90px 24px;\n    }\n    .pfo-sub-modern-header {\n        margin-bottom: 50px;\n    }\n    .pfo-sub-modern-company {\n        font-size: 28px;\n    }\n    .pfo-sub-flow-row {\n        gap: 30px;\n        padding: 35px 0;\n    }\n    .pfo-sub-flow-number {\n        font-size: 32px;\n    }\n    .pfo-sub-modern-action {\n        justify-content: flex-start; \n        margin-top: 40px;\n    }\n}\n\n\/* \u0e21\u0e37\u0e2d\u0e16\u0e37\u0e2d *\/\n@media screen and (max-width: 650px) {\n    .pfo-sub-modern-section {\n        padding: 60px 20px;\n    }\n    .pfo-sub-modern-company {\n        font-size: 24px;\n    }\n    .pfo-sub-flow-row {\n        grid-template-columns: 1fr;\n        gap: 12px;\n        padding: 30px 0;\n    }\n    .pfo-sub-flow-number {\n        font-size: 24px;\n    }\n    .pfo-sub-flow-content h5 {\n        font-size: 19px;\n    }\n    .pfo-sub-flow-content p {\n        font-size: 14px;\n        line-height: 1.7;\n    }\n}\n<\/style>\n\n<section class=\"pfo-sub-modern-section\">\n    <div class=\"pfo-sub-modern-container\">\n        \n        <div class=\"pfo-sub-modern-header\">\n            <h3 class=\"pfo-sub-modern-title\">Our affiliated companies<\/h3>\n            <h4 class=\"pfo-sub-modern-company\"><span>ProOne<\/span> IT Company Limited<\/h4>\n        <\/div>\n\n\n        <div class=\"pfo-sub-modern-flow\">\n            \n            <div class=\"pfo-sub-flow-row\">\n                <div class=\"pfo-sub-flow-number\"><\/div>\n                <div class=\"pfo-sub-flow-content\">\n                    <h5>IT Solutions<\/h5>\n                    <h6>Comprehensive IT and computer system installation services.<\/h6>\n                    <p>This encompasses IT infrastructure, network deployment, security, server and file sharing, and more, tailored to the specific needs and scale of each business.<\/p>\n                <\/div>\n            <\/div>\n\n            <div class=\"pfo-sub-flow-row\">\n                <div class=\"pfo-sub-flow-number\"><\/div>\n                <div class=\"pfo-sub-flow-content\">\n                    <h5>IT Outsourcing<\/h5>\n                    <h6>IT personnel services covering all fields.<\/h6>\n                    <p>Our ideal IT outsourcing service helps you save time and reduce the costs associated with the complex, multi-stage personnel recruitment process. We work together to find the most suitable and talented individuals for you.<\/p>\n                <\/div>\n            <\/div>\n\n            <div class=\"pfo-sub-flow-row\">\n                <div class=\"pfo-sub-flow-number\"><\/div>\n                <div class=\"pfo-sub-flow-content\">\n                    <h5>IT Support &#038; IT Maintenance<\/h5>\n                    <h6>Computer system maintenance services (monthly\/annual).<\/h6>\n                    <p>Rest assured that your business&#8217;s IT systems will operate smoothly and at peak efficiency with preventative maintenance (PM) services that help reduce the risk of system downtime.<\/p>\n                <\/div>\n            <\/div>\n\n        <\/div>\n\n\n        <div class=\"pfo-sub-modern-action\">\n            <a href=\"https:\/\/prooneit.com\/\" target=\"_blank\" rel=\"noopener\" class=\"pfo-sub-modern-link\">\n                <span>Explore ProOne IT Solutions<\/span>\n                <svg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <path d=\"M5 12H19M19 12L12 5M19 12L12 19\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path>\n                <\/svg>\n            <\/a>\n        <\/div>\n\n    <\/div>\n<\/section>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A leading HR outsourcing provider, supporting your success. From a leading organization for over 40 years. Professional One started as a specialized expert and has steadily grown into a full-service human resource and technology management partner. We combine the science of understanding human needs with cutting-edge innovation to deliver solutions that always drive your business [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-18027","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>About - Professional One - Professional One<\/title>\n<meta name=\"description\" content=\"Learn more about Professional One, a trusted HR Outsourcing provider with over 30 years of experience driving business success in Thailand.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.professional-one.com\/en\/about-professional-one\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"About - Professional One - Professional One\" \/>\n<meta property=\"og:description\" content=\"Learn more about Professional One, a trusted HR Outsourcing provider with over 30 years of experience driving business success in Thailand.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.professional-one.com\/en\/about-professional-one\/\" \/>\n<meta property=\"og:site_name\" content=\"Professional One\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-21T06:52:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.professional-one.com\/wp-content\/uploads\/2025\/10\/freepik__the-style-is-candid-image-photography-with-natural__17728.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/en\\\/about-professional-one\\\/\",\"url\":\"https:\\\/\\\/www.professional-one.com\\\/en\\\/about-professional-one\\\/\",\"name\":\"About - Professional One - Professional One\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/en\\\/about-professional-one\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/en\\\/about-professional-one\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.professional-one.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/freepik__the-style-is-candid-image-photography-with-natural__17728.png\",\"datePublished\":\"2026-06-27T13:25:27+00:00\",\"dateModified\":\"2026-08-21T06:52:17+00:00\",\"description\":\"Learn more about Professional One, a trusted HR Outsourcing provider with over 30 years of experience driving business success in Thailand.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/en\\\/about-professional-one\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.professional-one.com\\\/en\\\/about-professional-one\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/en\\\/about-professional-one\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.professional-one.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/freepik__the-style-is-candid-image-photography-with-natural__17728.png\",\"contentUrl\":\"https:\\\/\\\/www.professional-one.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/freepik__the-style-is-candid-image-photography-with-natural__17728.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/en\\\/about-professional-one\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.professional-one.com\\\/en\\\/professional-one-en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"About &#8211; Professional One\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/#website\",\"url\":\"https:\\\/\\\/www.professional-one.com\\\/\",\"name\":\"Professional One\",\"description\":\"By ProOne Group\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.professional-one.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/#organization\",\"name\":\"Professional One\",\"url\":\"https:\\\/\\\/www.professional-one.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.professional-one.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/ProOne-logo-512x.png\",\"contentUrl\":\"https:\\\/\\\/www.professional-one.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/ProOne-logo-512x.png\",\"width\":512,\"height\":496,\"caption\":\"Professional One\"},\"image\":{\"@id\":\"https:\\\/\\\/www.professional-one.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"About - Professional One - Professional One","description":"Learn more about Professional One, a trusted HR Outsourcing provider with over 30 years of experience driving business success in Thailand.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.professional-one.com\/en\/about-professional-one\/","og_locale":"en_US","og_type":"article","og_title":"About - Professional One - Professional One","og_description":"Learn more about Professional One, a trusted HR Outsourcing provider with over 30 years of experience driving business success in Thailand.","og_url":"https:\/\/www.professional-one.com\/en\/about-professional-one\/","og_site_name":"Professional One","article_modified_time":"2026-08-21T06:52:17+00:00","og_image":[{"url":"https:\/\/www.professional-one.com\/wp-content\/uploads\/2025\/10\/freepik__the-style-is-candid-image-photography-with-natural__17728.png","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.professional-one.com\/en\/about-professional-one\/","url":"https:\/\/www.professional-one.com\/en\/about-professional-one\/","name":"About - Professional One - Professional One","isPartOf":{"@id":"https:\/\/www.professional-one.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.professional-one.com\/en\/about-professional-one\/#primaryimage"},"image":{"@id":"https:\/\/www.professional-one.com\/en\/about-professional-one\/#primaryimage"},"thumbnailUrl":"https:\/\/www.professional-one.com\/wp-content\/uploads\/2025\/10\/freepik__the-style-is-candid-image-photography-with-natural__17728.png","datePublished":"2026-06-27T13:25:27+00:00","dateModified":"2026-08-21T06:52:17+00:00","description":"Learn more about Professional One, a trusted HR Outsourcing provider with over 30 years of experience driving business success in Thailand.","breadcrumb":{"@id":"https:\/\/www.professional-one.com\/en\/about-professional-one\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.professional-one.com\/en\/about-professional-one\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.professional-one.com\/en\/about-professional-one\/#primaryimage","url":"https:\/\/www.professional-one.com\/wp-content\/uploads\/2025\/10\/freepik__the-style-is-candid-image-photography-with-natural__17728.png","contentUrl":"https:\/\/www.professional-one.com\/wp-content\/uploads\/2025\/10\/freepik__the-style-is-candid-image-photography-with-natural__17728.png"},{"@type":"BreadcrumbList","@id":"https:\/\/www.professional-one.com\/en\/about-professional-one\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.professional-one.com\/en\/professional-one-en\/"},{"@type":"ListItem","position":2,"name":"About &#8211; Professional One"}]},{"@type":"WebSite","@id":"https:\/\/www.professional-one.com\/#website","url":"https:\/\/www.professional-one.com\/","name":"Professional One","description":"By ProOne Group","publisher":{"@id":"https:\/\/www.professional-one.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.professional-one.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.professional-one.com\/#organization","name":"Professional One","url":"https:\/\/www.professional-one.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.professional-one.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.professional-one.com\/wp-content\/uploads\/2026\/08\/ProOne-logo-512x.png","contentUrl":"https:\/\/www.professional-one.com\/wp-content\/uploads\/2026\/08\/ProOne-logo-512x.png","width":512,"height":496,"caption":"Professional One"},"image":{"@id":"https:\/\/www.professional-one.com\/#\/schema\/logo\/image\/"}}]}},"acf":[],"_links":{"self":[{"href":"https:\/\/www.professional-one.com\/en\/wp-json\/wp\/v2\/pages\/18027","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.professional-one.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.professional-one.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.professional-one.com\/en\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.professional-one.com\/en\/wp-json\/wp\/v2\/comments?post=18027"}],"version-history":[{"count":1,"href":"https:\/\/www.professional-one.com\/en\/wp-json\/wp\/v2\/pages\/18027\/revisions"}],"predecessor-version":[{"id":18336,"href":"https:\/\/www.professional-one.com\/en\/wp-json\/wp\/v2\/pages\/18027\/revisions\/18336"}],"wp:attachment":[{"href":"https:\/\/www.professional-one.com\/en\/wp-json\/wp\/v2\/media?parent=18027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}