
30 years of experience
2000+
Trusted 2000+ System deployed

50% Customers & 15 years engagement

R&D Team in Hong Kong

About Us
Since the early 90s, ESi has been a leader in telecommunication solutions across the Asia-Pacific region, offering the best unified communications platforms that empower enterprises to communicate and manage services seamlessly. As IoT technology evolves, innovative solutions are becoming essential for modern office and collaboration environments. Recognizing this need, ESi has introduced a groundbreaking concept with the development of the ESI-TIK product line, designed to meet and exceed market demands. To drive advancements in these areas, we have established an R&D center in Hong Kong. Our unwavering commitment to innovation ensures we stay ahead of the curve, continually enhancing our solutions to meet the evolving needs of modern enterprises
Core Values
Innovation
Continuously developing cutting-edge solutions.
Sustainability
Committing to energy automation and savings based on human intelligence.
Quality
Ensuring zero downtime with high availability architecture.
Customer Needs
Prioritizing client requirements and satisfaction with easy customization.
Our Commitment
Customer success is at the heart of everything we do. With over 30 years in telecom, we empower communication environments with high-quality services and reliable systems. We specialize in IP, Voice and Video platform, offering innovative solutions to meet the evolving needs of corporations, enterprises, and telecom operators, optimizing resource allocation for current and future services.


Our Team
Our professional team comprises certified professionals, consultants, and engineers, providing us with unique insights into the global telecommunication market. This expertise allows us to deliver cutting-edge solutions that drive success for our clients.
By combining our extensive industry experience with innovative technology, ESi is committed to leading the way in unified communications and smart workplace solutions.


Our Awards
View All
Avaya
FY24 Customer Excellent Award

Avaya
FY22 Customer Excellent Award

Jabra
Hong Kong Top 5 Revenue Generator – IT Partner 2020

NICE
Certified Automation Developer 2019

Telstra
International Partner of the Year 2018 North Asia
Office Location
HEADQUARTERS – HONG KONG
Unit F, 22/F, MG Tower, 133 Hoi Bun Road, Kwun Tong, Kowloon, Hong Kong
Tel: (852) 2362 1822
Fax: (852) 2362 9947
E-mail: marketing@esi-asia.com
SHANGHAI
16/F, Block J, Jiali Building, No. 2 Long, 1228 YanAn Road West, Shanghai, P.R.C.
Postal Code: 200052
Tel: (86) 21 6294 7998
E-mail: marketing@esi-asia.com
SHENZHEN
11C Xinlikang Building No. 3044 Xinghai Avenue, Nanshan Street, Qianhai, Shenzhen, China
Postal Code: 518033
Tel: (86) 755 2598 1505
E-mail: marketing@esi-asia.com
TAIPEI
18F-2, No.5, Sec.3, New Taipei Blvd., Xinzhuang Dist., New Taipei City 242032, Taiwan (R.O.C.)
Tel: (886) 2-77283528
Fax: (886)2-8522 9528
E-mail: marketing@esi-asia.com
TAICHUNG
4F., No.188 Zhonggong 2Nd Rd., Xitun Dist., Taichung City 40766, Taiwan
Tel: (886) 4 2358 5778
Fax: (886) 4 2358 5779
E-mail: marketing@esi-asia.com
SINGAPORE
8 Ubi Road 2
#06-31 Zervex
Singapore 408538
Tel: (65) 6817 1978
Fax: (65) 6816 2723
E-mail: marketing@esi-asia.com