Onyx Security
Onyx is a cybersecurity company that specializes in securing AI agents within enterprises. They offer solutions like the Onyx Guardian Agent to provide visibility and protection against risks associated with AI deployments. Their customers include businesses and organizations that require robust security measures for their AI technologies.
Employees
117
Founded
2024
Ownership
venture capital
Est. revenue
$26.6M
Website visitors
48,120
Workforce
Headcount by location
- United States61%
- Israel34%
- United Kingdom5.1%
Split by department
- Engineering & R&D46%
- Sales21%
- Founder, Owner & Executive8.0%
- Marketing & Comms6.9%
- Other18%
Seniority distribution
- Less than 5 years86%
- 5 to 10 years5.5%
- 10 to 20 years4.4%
- 30 years and more3.3%
- 20 to 30 years1.1%
Funding
$253.0M
Raised to date
DateTypeAmountInvestors
- 14 Aug 2026SeedUndisclosedTriple Point
- 30 Jul 2026Series B$113.0MBessemer Venture Partners, Conviction, Cyberstarts, FirstMark, G Squared, Quantum Light, Tcv, Vintage Investment Partners
3 earlier rounds, with their terms and sources.
Investors
InvestorCompanies backedCountry
Bessemer Venture PartnersBessemer Venture Partners is a venture capital and private equity firm that invests in startups and supports entrepreneurs across various sectors, including AI, biotech, and cloud technologies. The firm provides capital and strategic guidance to741United States
TcvTCV is an investment firm specializing in growth equity investments in technology companies. They partner with mission-driven teams to provide capital and strategic support, helping businesses scale and achieve market leadership. TCV operates220United States
FirstMarkFirstMark is a venture capital firm based in New York City that specializes in early-stage investments in technology companies. They provide funding, mentorship, and access to a network of industry leaders to help founders grow their businesses.193United States
Triple PointTriple Point is an investment firm specializing in venture capital and private credit. They provide funding solutions to startups and businesses in high-growth sectors, enabling them to develop products and expand their market presence. Their93United Kingdom
Revenue
$26.6M
EBITDA
24.8M
Revenue source: Modeled estimate
Recent news
- Onyx's $113M Series B: keeping humans in control as AI becomes smarter.
- From the 'Cyber Spring' to the 'Trust Economy': why we invested in Onyx by Iren Reznikov, partner.
6 more articles, with their sources and categories.
People
How the team has changed month by month — joiners, leavers and where the hiring is going
Connections
Who at your firm already knows someone here, and how warm the path is
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Business Brokers
Investment Banking
Private Equity
M&A
Consulting
Venture Capital
Corporate Development
Search Funds