Gun Kirdkao

Gun, CEO

Our many years of experience benefit our clients as a knowledgeable service provider who understands the changing needs of the marketplace.

"Internet Access"

"Cloud Infrastructure"

"Managed ICT Solutions"

The keywords above are the services we always focus on for the quality and satisfaction of our customers.

About Us


"We’d proven that we could deliver better service and better pricing than some of the largest and best known Companies in Thailand."

KIRZ Office in Bangkok

Founded in Bangkok in 1995, KIRZ was one of the early entrants into the Internet Service Provider industry.


Since that time, we have established a track record of providing superior telecommunications services to our clients. Our many years of experience benefit our clients as a knowledgeable service provider who understands the changing needs of the marketplace.

KIRZ is a private company in Thailand that provides fiber, telephone and data center services to business and government organizations.

KIRZ has a core fiber network that connects its data centers and hundreds of major office buildings throughout the country. Our services include high speed Internet connectivity, MPLS, SD-WAN and other data networking solutions, telephone service (SIP Trunking, Hosted PBX, UCaaS, PRI, Analog, call center and mobility), and hosting in data centers in 8 locations, specializing in server colocation.

Delivering Data and Voice at Pace of Business

Our clients receive dependable, high-performance telephone and internet services that are scalable, easily implemented and simple to manage. We commit to provide the highest quality products and services, so your business enjoys secure, uninterrupted networked communications.

You can expect a friendly and professional manner, backed with our commitment to honest and ethical business practices.

KIRZ employee
KIRZ ISO-27001 Certification

Built on Customer Service

KIRZ has a managed long-term growth philosophy.

Our steady, annual growth allows us to give every customer personalized service, as well as the most advanced technologies available to support their business needs. Every customer is important to us. Continually exceeding expectations is a matter of pride for us.

We build our network to meet our customer needs and stay ahead of the technology trends that impact our constantly expanding client base. Our customer base continues to grow because our clients appreciate the quality of service we provide, which results in referrals to KIRZ.

With KIRZ now established as a leading alternative to professional outsourcing providers. 

We now support over 15,000 end users across over 300 clients.

We are delivering comprehensive support solutions to organizations with 50-500 seats, where a flexible responsive approach is paramount.

Our clients now benefit from outstanding service levels and a can-do approach, backed by enterprise-level infrastructure and mature quality management processes.

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