Founded in 1994 as a joint venture between Internet Knowledge Service Center Co., Ltd. (IKSC) and the Communications Authority of Thailand (CAT), KSC was the first commercial Internet service provider (ISP) in Thailand. The year that followed KSC played a major role in building Thailand's Internet infrastructure, earning the company a reputation for fast, stable Internet access and innovative Internet solutions for both individual and corporate customers.

KSC, a leading Internet service provider, has evolved into a full-range Internet and business solutions provider.

Knowledge Knowledge
Service-minded Service-minded
Credible Credible


We believe in looking towards the future with great visions and endless inventions in developing technologies, products and services to suit our customers' needs both today and in the future to live up to the company's motto - "Always Ahead". Following our belief in looking towards the future, KSC established the following principles:

Furthermore, KSC provides internet and IT solutions for our corporate customers who hope to gain competitive advantages. Our services on internet and IT solutions are operated in 3 principles:

  • Stability : Providing internet services and IT solutions through a quality and stable network systems that attain the high standard of system security
  • Flexibility : Developing various services and solutions that are flexible, can be customized to suit business needs and operations with no limitations, and can answer to every corporate customers’ need.
  • Dedication : Devoting to provide quality after-sale services, consultations and quick problem-solving by a team of experts that are available 24 hours a day.


By constantly searching for technological innovations that will provide performance-enhancing solutions for our customers, and striving for the highest standards of service, we will continue to champion the advancement of Internet and Business Solutions Service Provider in Thailand especially in services for corporate customers.

Executive Names

Awards & Certifications

CSA Star Level 1 ISO/IEC 27001:2013

KSC assure customers who use our cloud service with an international standard certification for ISO/IEC 27001:2013 (Information Security Management Systems : ISMS), as well as CSA STAR Cloud Security Standard.

KSC Headquarter

  • Address: 2/4 Chubb Tower 10th Floor Vibhavadee-Rangsit Road, Thungsonghong, Laksi, Bangkok 10210
  • Telephone:
    - 1238 (Call Center)
    - 0-2779-7777 (Head Office)
  • Email:
    - (Inquiries & Billing)
    - (Cybersecurity Incidents)