TESS headquarters details
- Street address
- 1800 Sutter St
- City
- Concord
- State / region
- California
- ZIP / postal code
- 94520
- Country
- United States
- Phone
- +55 21 3228 0063
- Founded
- 2025
- Website
- tess.us
- linkedin.com/company/tess-ai
Location map
Open in Google MapsAll TESS office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Concord HQ | California | United States | Headquarters |
About TESS
TESS is headquartered in Concord, California, United States. Founded in 2025, the company employs approximately 30 people worldwide.
Where is TESS's main office?
TESS's main headquarters office is located at 1800 Sutter St, Concord, California 94520, United States. This is the company's primary corporate address.
TESS contact information
The main switchboard for TESS headquarters can be reached at +55 21 3228 0063. Official website: tess.us.
What does TESS do?
Founded in California by Brazilian entrepreneurs, TESS AI is an enterprise-grade autonomous agentic AI platform engineered to deliver hard corporate ROI. The company empowers professionals to build highly customized AI agents orchestrating over 250 AI models, featuring native integration with global automation ecosystems. By pioneering a disruptive, ''seatless'' pricing model, TESS eliminates restrictive per-user licenses, generating up to 90% in cost savings and allowing enterprises to consolidate their stack by replacing 4 to 5 traditional SaaS tools within the first six months. Powered by a complex agentic architecture—outperforming Meta’s $2B Manus AI—TESS is driving explosive adoption, with over 16,000 users executing more than 600,000 autonomous tasks every month.
Frequently asked questions
Where is TESS headquarters?
TESS's headquarters is located at 1800 Sutter St, Concord, California 94520, United States.
What is TESS's corporate address?
The corporate headquarters address is 1800 Sutter St, Concord, California 94520, United States.
When was TESS founded?
TESS was founded in 2025 and employs approximately 30 people.
What is TESS's phone number?
The main phone number for TESS headquarters is +55 21 3228 0063.
How many employees does TESS have?
TESS has approximately 30 employees (GraphIQ estimate, 2026).