Company
Estech Systems (ESI)
VoIP and universal communications for small businesses
Updated by Gregslist · Oct 16, 2025 · Report a correction
About
ESI sells hosted business phone systems for organizations including law firms, clinics, nonprofits and school districts. Its eCloud PBX service carries calls over an existing internet connection, synchronizes contacts and call data across up to three devices, and offers call routing, recording and CRM integrations.
Leaders
Key facts
- Region
- North Dallas
- Dallas relationship
- Headquartered in Dallas
- Headquarters
- Plano, TX
- Employees
- Medium · 51–200 employees
- Founded
- 1987
- Category
- Communications
- Funding type
- Bootstrapped
Frequently asked questions about Estech Systems (ESI)
Where is Estech Systems (ESI) headquartered?
Estech Systems (ESI) is headquartered in Plano, TX.
When was Estech Systems (ESI) founded?
Estech Systems (ESI) was founded in 1987.
Is Estech Systems (ESI) hiring?
Yes — Estech Systems (ESI) lists open roles on its careers page.



