How many people work at Action1?

About 122, up 3% over the last 30 days, with 26 open roles.

Who are Action1's competitors?

Cyware, Tenable, and Rapid7 are among the closest in Threat & Vulnerability Management. The full competitive set, with overlap scoring, is in the platform.

Action1

Threat & Vulnerability ManagementHouston, United Statesfounded 2018private

Action1 is a cybersecurity company specializing in Threat & Vulnerability Management, founded in 2018 and headquartered in Houston, United States. It employs about 122 people and is privately held.

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updated Aug 22, 2026

The record

What Action1 did, dated.

Aug 2026RecognitionAction1 Named America's #1 Fastest-Growing Founder-Led Cybersecurity Company on 2026 Inc. 5000 for Second Consecutive Year
Aug 2026Feature launchAction1 Brings Autonomous Patch Management into Jira to Close the Gap Between Vulnerability Detection and Remediation
Jul 2026RecognitionAction1 Named a Strong Performer in the 2026 Gartner® Peer Insights™ Voice of the Customer for Endpoint Management Tools
Jan 2026Partnership

Momentum

44 out of 100.

Momentum blends hiring, funding, traffic and sentiment into one score, recomputed daily. The score is free; the pillars behind it unlock in the platform.

Growthlocked

Marketlocked

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Products

What Action1 sells.

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobs26 live postings, role mix
Tech stackframeworks, clouds, security

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FAQ

Common questions about Action1.

How many people work at Action1?: About 122, up 3% over the last 30 days, with 26 open roles.
Who are Action1's competitors?: Cyware, Tenable, and Rapid7 are among the closest in Threat & Vulnerability Management. The full competitive set, with overlap scoring, is in the platform.