eSentire is the Authority in Managed Detection and Response, protecting the critical data and applications of 1000+ organizations in 70+ countries from known and unknown cyber threats.

eSentire's mission is to hunt, investigate and stop cyber threats before they disrupt your business.

eSentire was founded in 2001 by Eldon Sprickerhoff. The company is headquartered in Waterloo, Ontario, with offices in New York, Seattle, London, and Cork.


eSentire combines cutting-edge machine learning XDR technology, 24/7 Threat Hunting, and proven security operations leadership, to mitigate your business risk, and enable security at scale.


eSentire's Atlas XDR Platform processes threat signals from across our global customer base, automatically enforcing new detections and responses across every environment, hardening your defenses


eSentire has been recognized by its customers for its personal commitment to their protection with an impressive 72 Net Promoter Score, coupled with customer success survey respondents highlighting 100% satisfaction.


eSentire is backed by Warburg Pincus, Georgian Partners, Caisse de dépot et placement du Québec (CDPQ), and others. The company raised $325M in a new round on Feb 17, 2022. This brings eSentire's total funding to $411.2M to date. The latest round mints eSentire a unicorn with a valuation of over $1B post-money.



  • Year founded: 2001
  • Funding Info: $411.2M over 5 Rounds (Latest Funding Type: Secondary Market)
  • Yearly Revenue: NA
  • Employee Size: 201-500
  • Business Valuation: Valued at over $1B as of Feb 17, 2022
  • City/Town: Waterloo
  • State: Ontario
  • Country: Canada
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