“Presenting ESI-Tik: The ultimate Modern Workplace Solution designed to transform your office with centralized IoT management, energy automation and measurement, and Crestron’s zero downtime

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
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 Milestone

Awarded Avaya – Best Growth of the Year 2021, celebrating remarkable achievements and exceptional growth that set new industry standards.
“NICE – Authorized Partner, showcasing our expertise and commitment to delivering top-tier solutions.”
Leading the way in APAC, we are the first company to develop Zoom BYOC called “ ESIGO” , revolutionizing communication solutions.
2021

Leading the way in Hong Kong, we are the first company to launch Microsoft Team Voice Hosting Service in partnership with Telstra, establishing a new standard in communication solution.
As IoT technology matures, innovative solutions are becoming essential for office and collaboration environments.
Recognizing this importance, ESI has established a dedicated R&D centre in Hong Kong to drive advancements in these areas.
2020


Awarded Microsoft Top Activation Partner – Voice
Recognized as Microsoft’s Top Activation Partner for Voice, celebrating excellence in driving voice solution activations
Certified in NICE RPA Automation Development , showcasing expertise in creating efficient and innovative automation solutions.
Successfully delivered a groundbreaking Room Booking solution to an international insurance company, revolutionizing their operational efficiency.
2019



Awarded by ESI as The Highest Growth Partner of the Year, recognizing exceptional growth and outstanding contributions to the business of Avaya UC.
“Infocus” – Proudly embarking on a dynamic 2-year journey to build a successful and thriving partnership with Infocus Interactive Touch Panel
Awarded Telstra – International Partner of the Year for North Asia, celebrating outstanding collaboration and achievements in the region.
2018


Awarded Microsoft P-seller of the year ( SFB)
Honored as the Microsoft P-Seller of the Year (SFB) in 2017, an award recognizing exceptional sales performance and dedication to promoting Microsoft’s UC solutions
Aura – Best Business Partner of the year
ESI has been honored as the Business Partner of the Year for Aura Alliance, recognizing our exceptional contributions and outstanding performance in driving business success in APAC.
2017
Commenced to promote Skype for Business Cloud PABX
Microsoft Communications Parter of the Year
2016




Renamed Solution Center as Skype Experience Center
Awarded Microsoft® Enterprise Social Partner of the Year
Qualified as Microsoft® P-Seller of Lync Solution for Hong Kong
Qualified as Microsoft® Silver Cloud Productivity Partner
Qualified as Aura Alliance Asia Pacific Representative Partner
Qualified as Avaya Platinum Partner
Launched Skype for Business World Cocktail Party
2015


Commenced to promote SMART Room System™ for Microsoft® Lync® (LRS)
Awarded Microsoft® Best Social & Communications Partner of the Year
Launched one of the most complete Microsoft® Lync® Solution Center – Lync® Experience Center in Hong Kong
2014
Awarded Microsoft® Best Unified Communications Partner of the Year
Appointed as Authorized Distributor by SMART Technologies, one of the world’s leading providers of interactive whiteboards and flat panels from Canada (Obtained by sister company, iCG Ltd.)
Awarded Sales Award in recognition of the achievement in the strategic Industries in Hong Kong in 2013 by Alcatel-Lucent Enterprise (Obtained by sister company, iCG Ltd.)
2013
Qualified as Microsoft® Gold Communications Partner
Certified as Microsoft® V-TSP Lync Solution Partner for Hong Kong
Successfully completed the first Microsoft® Lync® Solution installation in Hong Kong
Awarded Sales Breakthrough Award in recognition of the Sales Breakthrough of Alcatel-Lucent Enterprise OpenTouch Suite for SMB in Hong Kong & Macau Region in Year 2012 by Alcatel-Lucent Enterprise (Obtained by sister company, iCG Ltd.)
2012
Headquater relocated and expanded in MG Tower, Kwun Tong
Qualified as Aura Alliance Partner
Qualified as Microsoft® Gold Communications Partner, further promoted and marketed Unified Communications (UC) Solutions
2011
Qualified as Avaya Gold Partner
Developed more comprehensive and advanced Telephony Solutions by recognizing as Distributor of Enghouse Systems Limited, a Canadian enterprise software and services company. More products were provided including Zeacom, CT Connect, CT ADE etc.
2010
Sold the first Avaya Communication Manager (CM)
Recognized as Avaya Enterprises Solution System Integrator
2008
Delivered the first Interactive Voice & Video Response (IVVR) and 3G Video Interactive Platform in Hong Kong
Continued the distribution of Parity Software, later renamed as Computer Telephony Application Development Environment (CT ADE), after product acquired by Syntellect, Inc. from Intel Corporation
2007
Signed Partnership Agreement with Hutchison Global Communications Limited (HGC) for developing IVR Hosting Platform technology and conducting the marketing activities in Hong Kong together
2006
Acquired Avaya IP Office™ Distribution Right for Hong Kong and Taiwan market
Be the first company which successfully promoted and marketed Avaya IP Office in Hong Kong
2005
Headquarter relocated and expanded in Kodak House, North Point
Over 2000 IVR Systems, including VM (Voice Mail) and UMS (Unified Messaging System), sold and installed in the region
Qualified as Avaya IP Office™ Distributor
Awarded Intel® Certificate of Recognition by Intel Corporation for its outstanding achievement in beating 2004 revenue, excellent performance in winning customers and new products design (Obtained by sister company, iCG Ltd.)
Recognited as Intel® Communications Alliance Affiliate Member by Intel Corporation (Obtained by sister company, iCG Ltd.)
2004
Appointed as Authorized Distributor by AudioCodes Inc., a VoIP Gateway technology market leader from Israel
2003
Recognited as Intel® Authorized Value-added Distributor for Intel® Dialogic® Products by Intel® Corporation to resell Parity VOS Software, after the software acquired by Intel
2001
Appointed as Authorised Distributor by Dialogic Corporation
Focused on IVR Technology and introduced more related technology to S.E.A. Regional
Acquired the distribution right of Parity VOS Software from USA
1999
Recognited as Dialogic® Value-added Reseller by Dialogic Corporation to resell Dialogic Hardware which bundled with EASE
1997
Founded Expert Systems IVR (Asia) Co. Ltd.
Joint Venture with Expert Systems Inc., Atlanta, USA initially to develop Interactive Voice Response (IVR) Technology in Asian Market together. Main Product was EASE IVR Development Platform.
1996

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 G, 22/F, MG Tower, 133 Hoi Bun Road, Kwun Tong, Kowloon, Hong Kong
Tel: (852) 2508 2116
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
HEADQUARTERS – HONG KONG
Unit G, 22/F, MG Tower, 133 Hoi Bun Road, Kwun Tong, Kowloon, Hong Kong
Tel: (852) 2508 2116
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