Harness
Harness is a cybersecurity company specializing in Application Security, founded in 2017 and headquartered in San Francisco, United States. It has raised $570M in equity across 6 priced rounds, plus $205M debt & credit, employs about 1,711 people, and is privately held.
updated Sep 12, 2026
Latest Harness news and company activity
What Harness did, dated — selected moves from the record, one per kind, newest first.
- Sep 2026Product launchHarness Launches Agent-Ready Code Repository and AI Code Review
- Aug 2026Product launchHarness Ships AI Agents to Scan, Triage, and Patch Vulnerabilities at Machine Speed
- May 2026Exec changeJack Campbell joins as AVP, Global AppSec Sales Leader
- Feb 2025AcquisitionHarness to Merge with Traceable
Harness Momentum score
61/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Harness funding
Harness has raised $570M in priced equity, plus $205M debt & credit. Its most recent round was a Series E in December 2025.
- Equity raised
- $570M6 priced rounds
- Last round
- Series EDec 2025
- Other instruments
- $205M debt
Harness employees and hiring
Harness has about 1,711 employees, up 2% over the last 30 days, with 116 open roles.
- Employees
- 1,711
- 30-day change
- +2%
- Open roles
- 116
Harness competitors
Security professionals most often compare Harness against Datadog, 42Crunch, and Salt Security on cybersectools.com. 1 more is in the platform, with overlap scoring.
by search demand for comparison pages on cybersectools.com, 90 days
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs116 live postings, role mix
- Tech stackframeworks, clouds, security
