
Expel
Founded Year
2016Stage
Series E - II | AliveTotal Raised
$288.8MLast Raised
$31M | 2 yrs agoRevenue
$0000Mosaic Score The Mosaic Score is an algorithm that measures the overall financial health and market potential of private companies.
-25 points in the past 30 days
About Expel
Expel operates as a security operations company and specializes in managed detection and response (MDR) within the cybersecurity industry. The company offers various services such as 24/7 monitoring, threat detection, incident response, and security infrastructure optimization. Expel was formerly known as The Concern. It was founded in 2016 and is based in Herndon, Virginia.
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Expel's Product Videos


ESPs containing Expel
The ESP matrix leverages data and analyst insight to identify and rank leading companies in a given technology landscape.
The managed detection and response (MDR) market is an service-oriented approach to cybersecurity that focuses on proactively detecting and responding to advanced cyber threats and attacks. MDR providers offer continuous monitoring, analysis, and threat hunting capabilities, using a combination of technology, expertise, and threat intelligence. This service is designed to complement an organization…
Expel named as Challenger among 15 other companies, including Cisco, CrowdStrike, and Tata Consultancy Services.
Expel's Products & Differentiators
MDR
Managed Detection and Response across all threat landscapes
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Expert Collections containing Expel
Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.
Expel is included in 3 Expert Collections, including Unicorns- Billion Dollar Startups.
Unicorns- Billion Dollar Startups
1,257 items
Conference Exhibitors
5,302 items
Cybersecurity
10,243 items
These companies protect organizations from digital threats.
Expel Patents
Expel has filed 30 patents.
The 3 most popular patent topics include:
- computer security
- computer network security
- cyberwarfare

Application Date | Grant Date | Title | Related Topics | Status |
---|---|---|---|---|
3/16/2024 | 10/15/2024 | Machine learning, Classification algorithms, Artificial neural networks, Computer security, Statistical classification | Grant |
Application Date | 3/16/2024 |
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Grant Date | 10/15/2024 |
Title | |
Related Topics | Machine learning, Classification algorithms, Artificial neural networks, Computer security, Statistical classification |
Status | Grant |
Latest Expel News
Nov 29, 2024
Expel’s Fourth Consecutive Ranking on the Deloitte Technology Fast 500™ November 29, 2024 Leading MDR provider attributes continued recognition to unmatched customer outcomes, consistent growth, and a people-first approach Expel, the leading managed detection and response (MDR) provider, proudly announced today its fourth consecutive ranking on the Deloitte Technology Fast 500™. Now in its 30th year, the Deloitte Technology Fast 500™ ranks the fastest-growing technology, media, telecommunications, life sciences, fintech, and energy tech companies in North America. Expel earned a spot with 338% revenue growth, ranking 343 on the list. “Consistent recognition on this list validates our relentless pursuit of innovation and excellence in security operations, delivering MDR services built on trust,” said Dave Merkel, CEO and co-founder of Expel. “We know that trust isn’t given; it’s earned. It’s why we work tirelessly to outpace evolving adversaries to provide our customers with the unmatched security outcomes they’ve come to rely on to keep their businesses running smoothly.” This ranking comes hot on the heels of other major achievements this year, highlighting Expel’s leadership and customer-obsessed approach to security. Recently, Expel appointed cybersecurity pioneer and Mandiant founder, Kevin Mandia, to its board of directors, bringing over three decades of security leadership and expertise to help guide Expel’s next phase of growth. Mandia’s appointment complements Expel’s momentum, including strategic partnerships with industry titans like Wiz, Visa, and leading incident response (IR) firm, modePUSH, addressing an even broader range of customer and partner security needs. “Our scalable approach to MDR replaces the outdated—and long-accepted—black-box cybersecurity model with full transparency and AI-powered machine speed, providing a breath of fresh air for customers and partners who are used to being left in the dark in their own environments,” said Yonni Shelmerdine, Chief Product Officer at Expel. “This paves the way both for outstanding security outcomes and stronger partnerships that keep improving as we grow.” The result? Expel boasts an industry-leading Net Promoter Score (NPS) of 75 and a 20-minute mean-time-to-remediate on critical alerts—metrics typically unheard of in the security industry. The company also recently achieved 50% year-over-year revenue growth (FY23-FY24) and surpassed $100 million in annual recurring revenue as of FY24. Other recent milestones for Expel include: Launching new, flexible MDR offerings to meet the varied security needs of modern organizations Earning a spot in the 2024 CRN® Partner Program Guide Being named a leader by IDC in the 2024 MarketScape for Worldwide Emerging MDR Services Expanding into Ireland with the creation of 50 high-skilled cybersecurity jobs For more information about Expel’s unique approach to MDR, visit our overview page or contact the team any time. previous post
Expel Frequently Asked Questions (FAQ)
When was Expel founded?
Expel was founded in 2016.
Where is Expel's headquarters?
Expel's headquarters is located at 12950 Worldgate Drive, Herndon.
What is Expel's latest funding round?
Expel's latest funding round is Series E - II.
How much did Expel raise?
Expel raised a total of $288.8M.
Who are the investors of Expel?
Investors of Expel include Paladin Capital Group, Scale Venture Partners, Battery Ventures, Index Ventures, CapitalG and 9 more.
Who are Expel's competitors?
Competitors of Expel include Trustwave, SecureWorks, Cybereason, Tanium, Mandiant and 7 more.
What products does Expel offer?
Expel's products include MDR and 3 more.
Who are Expel's customers?
Customers of Expel include Hundreds.
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Compare Expel to Competitors

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