Insights

Strategic Growth Critical Insight is expanding from government-focused security to healthcare and financial services, signaling cross-sector sales opportunities in highly regulated industries that require MXDR and managed services.

Acquisitive Momentum Recent acquisition activity around Critical Insight suggests potential upsell or integration play with Lumifi Cyber’s portfolio, enabling joint offerings, channel collaborations, and expanded customer reach.

Managed Detection The company emphasizes MXDR and 24x7 monitoring, presenting a clear entry path for tiered managed security services, executive risk reporting, and healthcare-specific threat intelligence for target accounts.

Healthcare Focus Strong history with healthcare and partnerships (AHA) indicate health sector pain points and regulatory needs, creating opportunities for compliant data protection, breach reporting, and risk quantification use cases.

Midmarket Target Revenue range and employee size position Critical Insight as a mid-market security player, ideal for scale-focused security programs, partner-led sales, and channel-driven growth initiatives.

Similar companies to Critical Insight

Critical Insight Tech Stack

Critical Insight uses 8 technology products and services including Microsoft Advertising, HubSpot Analytics, Amazon Web Services, and more. Explore Critical Insight's tech stack below.

Media & News

Critical Insight's Email Address Formats

Critical Insight uses at least 6 email formats:
Critical Insight Email FormatsExamplePercentage
First.Last@ci.securityJohn.Doe@ci.security
95%
First-Last@ci.securityJohn-Doe@ci.security
3%
First@ci.securityJohn@ci.security
2%
First.Last@criticalinsight.comJohn.Doe@criticalinsight.com
90%
Last@criticalinsight.comDoe@criticalinsight.com
7%
First@criticalinsight.comJohn@criticalinsight.com
3%

Frequently Asked Questions

What is Critical Insight's phone number?

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You can contact Critical Insight's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Critical Insight's official website and social media links?

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Critical Insight's official website is criticalinsight.com and has social profiles on LinkedIn.

How much revenue does Critical Insight generate?

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As of July 2026, Critical Insight's annual revenue is estimated to be $1M - $10M.

What is Critical Insight's NAICS code?

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Critical Insight's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Critical Insight have currently?

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As of July 2026, Critical Insight has approximately 59 employees across 2 continents, including North America and Europe. Key team members include Chief Financial Officer: D. E., Director, Incident Response; Deputy Ciso: J. P. and National Channel Director: T. N. Explore Critical Insight's employee directory with LeadIQ.

What industry does Critical Insight belong to?

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Critical Insight operates in the Computer and Network Security industry.

What technology does Critical Insight use?

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Critical Insight's tech stack includes Microsoft Advertising, HubSpot Analytics, Amazon Web Services, CookieYes, Salesforce, Google Cloud Platform, Pardot and BambooHR.

What is Critical Insight's email format?

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Critical Insight's email format typically follows the pattern of First.Last@ci.security. Find more Critical Insight email formats with LeadIQ.

How much funding has Critical Insight raised to date?

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As of July 2026, Critical Insight has raised $22M in funding. The last funding round occurred on Apr 20, 2021.

When was Critical Insight founded?

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Critical Insight was founded in 2012.
Critical Insight logo

Critical Insight

Computer and Network SecurityWashington, United States51-200 Employees

Critical Insight is a midsize cybersecurity provider that protects organizations' essential assets to support their critical missions. It augments existing teams with a blended mix of managed detection and response and professional services to assess, test, and monitor security around the clock. The company's approach emphasizes ongoing defense across client operations rather than a one-off solution.

Based in Bremerton, Washington, Critical Insight traces its roots to 2011 when it operated as M. K. Hamilton & Associates LLC before rebranding to reflect a broader focus on healthcare, financial services, and organizations of all sizes, while preserving critical infrastructure expertise. In November 2024, Lumifi Cyber, Inc. announced it would acquire Critical Insight, marking its third acquisition in 13 months.

Section iconCompany Overview

Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2012
Employees
51-200

Section iconFunding & Financials

  • $22M

    Critical Insight has raised a total of $22M of funding over 6 rounds. Their latest funding round was raised on Apr 20, 2021 as a Series B.

  • $1M - $10M

    Critical Insight's revenue is estimated to be in the range of $1M - $10M

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