ReliaQuest is a leader in Open XDR-as-a-Service that helps organizations gain greater visibility across SIEM, EDR, multi-cloud and hybrid environments to speed detection and response.

ReliaQuest delivers industry-leading visibility and automation on demand across complex environments with a platform purpose built to protect enterprise environments from security breaches.

ReliaQuest was founded in 2007 by Brian Murphy. The company is headquartered in Tampa, Florida, with multiple global locations.


ReliaQuest has developed GreyMatter, the first cloud-native SaaS solution that enables visibility, coordination, and control across the enterprise's on premise and multi-cloud technologies, unlocking the power of next generation cybersecurity for the modern enterprise.


ReliaQuest combines the power of technology and 24/7/365 security expertise to give organizations the visibility and coverage they require to make cybersecurity programs more effective.


ReliaQuest's GreyMatter platform is supported by some of the top security talent in the industry, enabling enterprises to increase visibility across cloud and on-premises technologies, allowing them to reduce risk and compromises.


ReliaQuest is backed by KKR, Ten Eleven Ventures, FTV Capital, ReliaQuest founder & CEO Brian Murphy, and others. The company raised a new funding with a valuation of over $1B on Dec 01, 2021. ReliaQuest has raised a total of $330M in funding to date.



  • Year founded: 2007
  • Funding Info: $330M over 3 Rounds (Latest Funding Type: Venture- Series Unknown)
  • Yearly Revenue: $100M (2021)
  • Employee Size: 501-1,000
  • Business Valuation: Valued at over $1B as of Dec 01, 2021
  • City/Town: Tampa
  • State: Florida
  • Country: United States
Related businesses