We provide our customers with
Professional Service.
Find out how our IT Solutions can help your organization!
Learn more about Le Siam

We are Le Siam Internetwork

is an outsourced consulting and IT support firm created in 2008.

Since launching, past and current clients have included: government departments, financial service companies,  education systems and many of clients in the small and medium size business(SMB).

Le Siam Internetwork diverse team of IT professionals have concentrated on adapting well established technologies to the unique demands of their clientele's industries. The staff can speak several languages namely English, Thai, Chinese and well-versed in Internetwork with regards to switch,router and security products.

Implementing a business solution is more than simply applying technology to a particular business problem. Building cost-effective, reliable and secure business solutions that help you meet your business priorities requires a team of both astute business strategists and technical experts with broad industry experience.

What we do

Describing what we do can be detailed, and technical. But essentially, we: 

Improve your IT infrastructure and application performance
Increased your IT infrastructure agility
Secure your enterprise infrastructure and information
Address your Information Security Governance, Risk, and Compliance
Provide the support you need when you need it
At Le Siam, we offers strategy road mapping and implementation services to help identify and implement solutions that enable you to increase business-critical capabilities, achieve tangible results, create competitive advantage and realise a return on your investment within realistic time frames.


Bumrugrad International
Summit Capital
The nomad
Siam city bank
Sri Ayudhya General Insurance
The Thai Red Cross Society

Solutions & Services

In today's highly competitive business climate, each and every organization is facing complex IT challenges from various technologies, applications, business needs and industries involved. Regardless of whatever challenges you face, Le Siam has the expertise, know-how and drive to deliver business solutions that tackle your unique challenges.


Le Siam's solutions are designed to help you build a dynamic infrastructure, manage the information and address challenges around information compliance, availability, retention, and security. This will lead your company toward achieve your current and future business goals, thus improved productivity, service delivery and reduced risk while streamlining costs.

Network Solutions

Enable clients to transform their networks with assessments, business cases and delivery of a secure network infrastructure. We help our clients build network architectures that can drive business process improvement and innovation. 

Server solutions

Increase utilization rates, enhance efficiency and reduce operating costs with Insight Server Solutions. Our ability to design, deploy and manage scalable server environments enables you to take advantage of clustered and grid computing, consolidation, virtualization and more.

Remote Support

Remote support and fastest onsite support = Perfectly flexible support plan

We take care of even the smallest details of projects

Assessment Services

Based on your critical asset inventory, we conduct a series of external (remote) and internal (on-site) risk assessment to determine relevant risk to your IT infrastructure. These comprehensive assessments focus on all major categories of risk, including hacking, malicious code, physical threat, downtime, and privacy.

Consulting Services

Get an expert's advice on your business needs. Our technical consultants study every aspect of your IT infrastructure and the surrounding network, making recommendations and observations relevant to your business goals.

Design and Implementation Services

Design and implementing a secure, robust and scalable information infrastructure can be a complex task in an enterprise environment. Le Siam has an extensive experience in guiding you through the design and implementation of your solution, helping to ensure a lasting return on your technology investment.

Our Products

We can help your business use advanced technologies such as cloud, mobility, social, and data analytics to bring together people, processes and data of everything. Make your business more flexible. Facilitate access over any platform. Strengthen connections for your business and turn data into insights faster and more securely than ever before.
Lesiam Internetwork Co.,Ltd launch network equipment under the name "LeSiam" and sale of network products.
Lesiam products quality system by ISO9001 and all products must be met the ROHS certification. We will adhere to the “scientific innovation, quality good faith , the quality policy, pursue the quality, No defect , realize the user and No reject.”

Contact Us

Le Siam Internetwork Co.,Ltd.

288/43-44 Taradee Biz Town, Tiwanon Road, Pakkret, Nonthaburi 11120,Thailand. 

Tel : (+66) 2102 1038, (+66) 2883 6299
Email : info@lsiam.com

Product Sales and Information

Tel : (+66) 2102 1038, (+66) 2883 6299  (9:00 a.m.- 4:00 p.m., Monday-Friday)
Email : sale@lsiam.com

Customer Service, Technical Support, Training and Consulting

Tel : (+66) 2102 1038, (+66) 2883 6299  (9:00 a.m.- 4:00 p.m., Monday-Friday)
Hot Line : 08 1864 3329 (Thai Local Customer Only)
Mobile : 08 2782 3329
Email : support@lsiam.com