eSentire vs ReliaQuest: MDR Comparison 2026
eSentire and ReliaQuest are both categorized as Pure-play MDRs, but differ in execution. eSentire works with your existing tools and targets SMB, Mid-market, and Enterprise organizations. ReliaQuest works with your existing tools and focuses on Mid-market and Enterprise. eSentire includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 6 for ReliaQuest (Endpoint, Cloud, SaaS, Identity, Network, OT/ICS).
Key Differences at a Glance
Winner by Category
eSentire vs ReliaQuest: Which Should You Choose?
Choose eSentire if:
- •Mid-market and enterprise organizations needing active remediation, not just alerts
- •Critical infrastructure sectors
- •Organizations with complex multi-vendor security stacks requiring 300+ integrations
Choose ReliaQuest if:
- •Large enterprises with complex multi-vendor security stacks
- •Organizations wanting to keep existing SIEM/EDR investments
- •Security teams needing AI-driven automation at scale
- •You need OT/ICS coverage included in base pricing
- •You want direct Slack integration with your SOC
Bottom line: ReliaQuest offers broader coverage (6 surfaces vs. 5). eSentire may suit teams that need depth over breadth.
Frequently Asked Questions
What is the main difference between eSentire and ReliaQuest?
eSentire is a Pure-play MDR that is technology-agnostic (works with your existing tools). ReliaQuest is a Pure-play MDR that is technology-agnostic (works with your existing tools). eSentire covers 5 attack surfaces in base pricing vs. 6 for ReliaQuest.
How do eSentire and ReliaQuest differ in response capabilities?
eSentire supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable. ReliaQuest supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable.
How does eSentire pricing compare to ReliaQuest?
eSentire pricing: Custom-quoted pricing. ReliaQuest pricing: $172,500 average annual; up to $1,200,000 for large deployments. $5,000 per additional integrated technology.. Watch for with eSentire: Tier differences significant — Essentials may lack key response capabilities; BYOL pricing differs from bundled Atlas Agent pricing. Watch for with ReliaQuest: High minimum contract value (enterprise-focused); Additional technology integrations add cost quickly.
Should I choose eSentire or ReliaQuest?
Choose eSentire if: mid-market and enterprise organizations needing active remediation, not just alerts. Choose ReliaQuest if: large enterprises with complex multi-vendor security stacks. eSentire is not ideal for budget-constrained SMBs seeking the lowest-cost MDR option. ReliaQuest is not ideal for sMBs with limited security budgets.