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.

Information Technology & Services Seattle, United States Founded 1996 ~5,560 employees NASDAQ: FFIV

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Employees
5,560
+1.6% in the 3 months to Jun 2025
Revenue / employee
$555K
Revenue ~$3.1B
Stock
FFIV
NASDAQ
12-month attrition
6.3%
Tech: 6.2%
H1B filings, FY2026
94
Sponsors visas
Open jobs
163
Last 30 days

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

Engineering2,343
Other1,622
Operations420
Sales415
Success306
Marketing134
Product127
HR87

Executive compensation

Hiring now

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Salaries at F5

All salaries

299 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity · India salaries

Layoffs

Details

No layoffs reported in the last 12 months.

  • Aug 2025 · 106 roles (~2%) · Seattle, United States
  • Oct 2024 · 100 roles (~2%) · Seattle, United States

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H-1B sponsorship

H-1B Sponsorship Moderate
H-1B Filings by Department
Engineering297
Operations32
IT29
Sales7
Finance5

The department split adds up all the years listed above. FY2026 alone: 94 filings.

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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.