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Expel is a cybersecurity company that provides managed detection and response services to businesses of all sizes. The company's platform combines technology, human expertise, and intelligence to provide 24/7 monitoring, detection, and response to cyber threats. Expel's team of security analysts uses the platform to quickly identify and remediate threats, reducing the time and cost associated with incident response. The platform also provides real-time visibility into security events and risk posture, helping businesses to improve their overall cybersecurity posture. Expel was founded in 2016 and is headquartered in Herndon, Virginia.
Last updated
In 2025, Expel's revenue reached $142.2M. The company previously reported $85.2M in 2024. Since its launch in 2016, Expel has shown consistent revenue growth.
Expel reached a $1B valuation in 2021, set during its Series E round.
Expel has raised $257.8M in total funding across 5 rounds, most recently a $140.3M Series E round in 2021.
| Year | Round | Amount | Valuation | % Sold | Source |
|---|---|---|---|---|---|
| 2021 | Series E | $140.3M | $1B | 14% | |
| 2020 | Series D | $50M | - | - | |
| 2019 | Series C | $40M |
CEO
Dave Merkel has been involved in the information security field for nearly 20 years, first as a Federal agent pursuing cyber-criminals in the era of floppy disks and 2400 baud modems through his most recent experience as the Global Chief Technology Officer of FireEye, a leading cyber-security solutions provider. Dave is now the CEO of Expel.
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We do not have customer count information for Expel yet.
Expel employs approximately 508 people as of 2026, down from 514 in 2023, including 73 sales reps that carry a quota.
Expel generates $142.2M in revenue.
Expel was founded by Dave Merkel.
The CEO of Expel is Dave Merkel.
Expel raised $257.8M across 5 rounds.
Expel has 508 employees.
Expel is headquartered in Herndon, Virginia, United States.
Expel operates across multiple industries. Browse revenue, funding, and growth data for Expel in each sector below.
All figures on this page are taken directly from interviews or are estimates from public sources and proprietary models. Not financial advice. Read full disclaimer.
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Valuation
$1B
2025 Revenue
$142.2M
Funding
$257.8M
YOY
67%
Team · 2024
508
Founded
2016
| Year | Milestone | Source |
|---|---|---|
| 2025 | Expel Hit $142.2m revenue in June 2025 | |
| 2024 | Expel Hit $85.2m revenue in October 2024 | Estimated |
| 2023 | Expel Hit $65.1m revenue in December 2023 | Estimated |
| 2021 | Expel Hit $35m revenue in November 2021 | |
| 2016 | Launched with $0 revenue |
| - |
| - |
| 2018 | Series B | $20M | - | - |
| 2016 | Series A | $7.5M | - | - |
| Year | Milestone | Source |
|---|---|---|
| 2024 | Reached 508 employees (December 2024) | |
| 2024 | Reached 514 employees (October 2024) | |
| 2023 | Reached 514 employees (December 2023) | |
| 2022 | Reached 524 employees (December 2022) | |
| 2021 | Reached 332 employees (December 2021) | |
| 2021 | Reached 309 employees (November 2021) |
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