Greymatter.io
Greymatter.io is a cybersecurity company specializing in Network Security, founded in 2015 and headquartered in Arlington, United States. It has raised $7.1M in equity across 1 priced round, employs about 28 people, and is privately held.
updated Sep 12, 2026
Latest Greymatter.io news and company activity
What Greymatter.io did, dated — selected moves from the record, one per kind, newest first.
- Dec 2025RecognitionGreymatter.io Wins 2025 CyberSecurity Breakthrough Award
- Oct 2025Feature launchGreymatter Embeds OWASP-Based WAF in Every Proxy for Zero-Trust
2 events tracked since Oct 2025 · selected events shownUnlock the complete Greymatter.io timeline
Greymatter.io Momentum score
40/ 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.
Greymatter.io funding
Greymatter.io has raised $7.1M in priced equity. Its most recent round was a Series A in April 2022.
- Equity raised
- $7.1M1 priced round
- Last round
- Series AApr 2022
Greymatter.io employees and hiring
Greymatter.io has about 28 employees, down 3% over the last 30 days.
- Employees
- 28
- 30-day change
- -3%
- Open roles
- 0
Greymatter.io competitors
Security professionals most often compare Greymatter.io against Zentera on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
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 jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
