Expel is a prominent cybersecurity company specializing in Managed Detection and Response (MDR). Founded in 2016, Expel aims to make security accessible and effective for organizations of all sizes. They offer 24/7 monitoring, threat detection, incident response, and threat hunting services across cloud, hybrid, and on-premises environments. Expel differentiates itself through transparency, its technology platform (Expel Workbench™), and a focus on integrating seamlessly with existing security tools and teams. Their approach combines advanced technology with human expertise to provide rapid detection and tailored responses to security threats, acting as an extension of their clients' security operations.
Serves as the primary corporate hub, housing executive leadership, core engineering teams, Security Operations Center (SOC) elements, sales, marketing, finance, and administrative functions.
Modern office space located in a tech corridor, designed to foster collaboration and house sophisticated security operations capabilities. Features often include open-plan areas alongside secure SOC environments.
Expel's headquarters culture is often described as transparent, collaborative, and mission-driven, with a strong focus on cybersecurity innovation and employee well-being. The company embraces a 'bring your own device' approach and emphasizes a positive, slightly quirky work environment (e.g., rubber duck mascot).
The Herndon HQ is central to Expel's strategic direction, product development roadmap, and coordination of its global security monitoring and response efforts.
Expel delivers its security services globally, operating 24/7 Security Operations Centers (SOCs) to provide continuous monitoring and response regardless of customer location. While physical offices are primarily in the US (Herndon, VA) and UK (London), their operational infrastructure and remote workforce support a diverse international client base across North America, EMEA, and potentially other regions, ensuring global threat coverage and support capabilities.
12950 Worldgate Dr #400
Herndon
VA
USA
Address: Specific street address not consistently published; likely a central London serviced office or regional hub.
Acts as a key hub for market expansion, service delivery, and building Expel's presence across Europe and surrounding areas.
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As of April 2025, Expel' leadership includes:
Expel has been backed by several prominent investors over the years, including:
Within the last 12 months (approx. mid-2023 to mid-2024), public records indicate relative stability at the highest C-suite levels (CEO, COO). There may have been VP-level or other senior leadership changes, but no major C-level exits or hires have been widely reported during this specific timeframe. Key appointments like the CFO and CMO occurred slightly outside this window but represent recent strengthening of the leadership team.
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Expel commonly utilizes the email format combining the employee's first initial followed by their last name.
flast@expel.com
Format
jdoe@expel.com
Example
85%
Success rate
Expel Press Release • May 6, 2024
Expel was recognized as a Leader in the latest Forrester Wave™ report for Managed Detection and Response (MDR), receiving the highest scores possible in seven criteria, including time-to-value, threat hunting, and managed detection....more
Expel Press Release • April 9, 2024
Expel launched its new MDR for Kubernetes service, providing 24/7 monitoring, threat detection, and response capabilities specifically tailored for Kubernetes environments, integrating seamlessly with Amazon EKS and Google GKE....more
Expel Press Release • January 23, 2024
Expel was included as a Representative Vendor in the Gartner Market Guide for MDR Services for the fourth consecutive year, highlighting its continued presence and offerings in the managed security services market....more
Expel Press Release • October 17, 2023
Expel announced new service tiers for its MDR offering, designed to provide flexible options catering to different customer needs based on the scope of coverage and required capabilities, enhancing accessibility for various organizational sizes and security maturity levels....more
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