ReliaQuest
Track on RadarSecurity operations platform combining tech & expertise for threat detection
- Total raised
- $530M
- Employees
- 1,070
- Founded
- 2007
- Momentum
- 34
Cooling
Data updated July 2026
About
About ReliaQuest
At a glance
ReliaQuest is a cybersecurity company specializing in Security Operations, founded in 2007 and headquartered in Tampa, United States. It has raised $530M in total funding, employs about 1,070 people, and is privately held.
ReliaQuest provides a security operations platform called GreyMatter that enables enterprise security teams to detect, contain, and respond to threats. The platform integrates with existing security technology stacks to provide visibility and automation without requiring data centralization or tool standardization. GreyMatter delivers unified detection content and coverage, producing high-fidelity enriched alerts while removing duplicates. The company offers both the platform technology and security expertise to help organizations manage their security operations. The platform includes features for threat detection, incident response, and risk management, with recent additions including agentic AI personas called GreyMatter Agentic Teammates designed to enhance team capabilities. ReliaQuest serves over 700 enterprise customers across various industries including financial services, retail, healthcare, and sports organizations. The company operates with a focus on providing optionality and modularity in security operations, allowing customers to leverage their current or future technology investments. With over 1,000 employees and more than 50 patents, ReliaQuest combines platform technology with security operations services to help organizations improve their security posture and operational efficiency.
Momentum
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Valuation
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Funding
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Public markets
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Privately held
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Headcount
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Tech stack
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Full profile
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FAQ
Frequently asked questions about ReliaQuest
When was ReliaQuest founded?▾
ReliaQuest was founded in 2007.
Where is ReliaQuest headquartered?▾
ReliaQuest is headquartered in Tampa, United States.
How much funding has ReliaQuest raised?▾
ReliaQuest has raised a total of $530M in total funding.
Is ReliaQuest public or private?▾
ReliaQuest is a privately-held company.
How many employees does ReliaQuest have?▾
ReliaQuest has approximately 1,070 employees.
