F5 headquarters details
- Street address
- 801 5th Ave
- City
- Seattle
- State / region
- Washington
- ZIP / postal code
- 98104
- Country
- United States
- Phone
- +1 206 272 5555
- Founded
- 1996
- Website
- f5.com
- Stock
- NASDAQ: FFIV
- linkedin.com/company/f5
Location map
Open in Google MapsAll F5 office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Seattle HQ | Washington | United States | Headquarters |
Showing the headquarters of 23 recorded locations. See every location in GraphIQ →
About F5
F5 (NASDAQ: FFIV) is headquartered in Seattle, Washington, United States. Founded in 1996, the company has 23 recorded locations across 6+ countries and employs approximately 6,578 people worldwide.
Where is F5's main office?
F5's main headquarters office is located at 801 5th Ave, Seattle, Washington 98104, United States. This is the company's primary corporate address.
F5 regional offices
Beyond its headquarters in Seattle, F5 has recorded locations in United States, Australia, India, Israel, Singapore and United Kingdom.
F5 contact information
The main switchboard for F5 headquarters can be reached at +1 206 272 5555. Official website: f5.com.
What does F5 do?
Comf5 International has been a supplier of innovative digital solutions to small businesses and professionals for more than 11 years. Once a fully reporting company on the American Stock Exchange, comF5 is currently a non-reporting public company. We offer emerging companies and startups in the technology and human capital sectors an innovative growth and exit strategy. Founders in our portfolio companies have the unique opportunity to own a piece of other exciting mutually venture-backed companies. Our centralized selection and shared-equity model allows us to strategically maximize market growth opportunities through the decentralized, adaptable, and targeted execution of our portfolio companies. Where crowd founding minimizes the investment of the individual that helps to capitalize the launch of an innovative idea... CapitalF5 maximizes the upside potential of its companies to find market success, with ZERO impact on the company's focus or their operations, and while adding no additional operational requirements. Areas of interest Artificial Intelligence. Machine Learning. Blockchain. Smart Contracts. Human Capital. Social Business
F5 competitors & similar companies
Frequently asked questions
Where is F5 headquarters?
F5's headquarters is located at 801 5th Ave, Seattle, Washington 98104, United States.
How many offices does F5 have?
GraphIQ records 23 locations for F5 across 6+ countries, as of October 2026.
What is F5's corporate address?
The corporate headquarters address is 801 5th Ave, Seattle, Washington 98104, United States.
When was F5 founded?
F5 was founded in 1996 and employs approximately 6,578 people.
What is F5's phone number?
The main phone number for F5 headquarters is +1 206 272 5555.
How many employees does F5 have?
F5 has approximately 6,578 employees (GraphIQ estimate, 2026).
Is F5 a public company?
Yes. F5 is publicly traded on NASDAQ under the ticker FFIV.