ReliaQuest is the leader in AI cybersecurity. Its platform, GreyMatter, serves as the Agentic Defense for the enterprise—defending organizations against AI-accelerated attacks. Any defender can harness that AI to detect threats, run investigations, execute response and hunt across their entire tech stack in plain language, without requiring any tool expertise. GreyMatter makes this possible through the Universal Translator, which normalizes telemetry across any vendor without data centralization; Detection at Source, at Storage, or in Transit, which catches threats where data lives or as it moves; and Agentic Orchestration, which combines a natural language operating layer, multiple autonomous agentic systems and an AI Model Broker. Trusted by 1,300+ enterprises, ReliaQuest has been making security possible since 2007.
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The ReliaQuest annual revenue was $210.1 million in 2026.
Joe Partlow is the CTO of ReliaQuest.
942 people are employed at ReliaQuest.
ReliaQuest is based in Tampa, Florida.
The NAICS codes for ReliaQuest are [5112, 511210, 541, 54, 51, 51121, 511].
The SIC codes for ReliaQuest are [73, 737].