Flex headquarters details
- City
- San Francisco
- State / region
- California
- ZIP / postal code
- 94115
- Country
- United States
- Phone
- +1 818 222 9195
- Founded
- 2023
- Website
- withflex.com
- linkedin.com/company/withflex
Location map
Open in Google MapsAll Flex office locations
| City | State / region | Country | Type |
|---|---|---|---|
| San Francisco HQ | California | United States | Headquarters |
Showing the headquarters of 2 recorded locations. See every location in GraphIQ →
About Flex
Flex is headquartered in San Francisco, California, United States. Founded in 2023, the company has 2 recorded locations and employs approximately 8 people worldwide.
Where is Flex's main office?
Flex's main headquarters office is located at San Francisco, California 94115, United States. This is the company's primary corporate address.
Flex contact information
The main switchboard for Flex headquarters can be reached at +1 818 222 9195. Official website: withflex.com.
What does Flex do?
Flex is a payment platform for businesses to accept HSA/FSA cards. We offer a prebuilt, hosted checkout page or UI building blocks to integrate HSA/FSA payments directly into your existing flow.
Flex competitors & similar companies
Frequently asked questions
Where is Flex headquarters?
Flex's headquarters is located at San Francisco, California 94115, United States.
How many offices does Flex have?
GraphIQ records 2 locations for Flex, as of October 2026.
When was Flex founded?
Flex was founded in 2023 and employs approximately 8 people.
What is Flex's phone number?
The main phone number for Flex headquarters is +1 818 222 9195.
How many employees does Flex have?
Flex has approximately 8 employees (GraphIQ estimate, 2026).