F5
F5, Inc. is a technology company based in Seattle, Washington, founded in 1996. It specializes in application security, multi-cloud management, online fraud prevention, and application delivery networking. F5 is known for its foundational product, BIG-IP, which intelligently manages network traffic and has evolved to include a range of solutions for application availability, performance, and security. The company offers a variety of services, including application delivery controllers, web application firewalls, DDoS protection, and bot management. F5 also provides multi-cloud management and API management services, supporting modern digital experiences across data centers, public clouds, and edge computing. With a strong focus on security, F5 has made significant investments through strategic acquisitions to enhance its offerings. F5 serves a wide array of clients, including 48 of the Fortune 50 companies, making it a key player in the market for large enterprises that require robust solutions for managing web traffic and security threats. The company continues to adapt to the evolving landscape of technology, emphasizing secure and efficient application delivery.
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Headcount trend
F5 went from 4,863 employees in Jul 2023 to 5,560 in Jun 2025. Jan to Jun 2025: 297 people joined, 90 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Executive compensation
Hiring now
See all jobsSalaries at F5
All salaries299 salary profiles in the US
Most reported roles
Layoffs
DetailsNo layoffs reported in the last 12 months.
- Aug 2025 · 106 roles (~2%) · Seattle, United States
- Oct 2024 · 100 roles (~2%) · Seattle, United States
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 94 filings.
Peer reviews
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Similar companies
F5 FAQ
How many employees does F5 have?
F5 has about 5,560 employees, up 1.6% over the 3 months to Jun 2025.
Does F5 sponsor H1B visas?
Yes. F5 filed 94 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
Has F5 had layoffs in 2026?
No layoffs at F5 have been reported in 2026 so far. The most recent reported layoff affected 106 employees on Aug 13, 2025.
What is F5's revenue per employee?
F5 makes about $555K in revenue per employee, based on $3.09B annual revenue and 5,560 employees.
How much does F5 pay?
6figr has 299 salary profiles for F5 in the US and 72 in India, with pay broken down by role, level, gender and ethnicity on the F5 salaries page. See F5 salaries in the US
Is F5 a public company?
Yes. F5 is publicly traded under the ticker FFIV on NASDAQ.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.