Action1 ranks No. 1 founder-led cybersecurity company on Inc. 5000

By Atlas Watchline Staff · Corporate · August 13, 2026

Action1 said it was named to the 2026 Inc. 5000 list and ranked as the No. 1 fastest-growing founder-led cybersecurity company for the second year in a row.

Action1 said on Aug. 13 that it was named to the 2026 Inc. 5000 list and ranked as the No. 1 fastest-growing founder-led cybersecurity company for the second consecutive year.

The Houston-based company said the ranking was based on 4,512% three-year revenue growth. The announcement said the list measures revenue growth from 2022 to 2025.

Action1 said it provides autonomous endpoint management and patch management tools. The company said its platform helps thousands of organizations close security gaps before they can be exploited, and said it has 98% customer retention.

The release also said the company is trusted by many Fortune 500 companies. It said organizations are replacing legacy patch tools with Action1's cloud-native autonomous patch management platform.

Mike Walters, Action1's president and co-founder, said the company started with a vision of preventing cyberattacks that exploit vulnerabilities across devices, operating systems and applications. He said the company's two years on the Inc. 5000 and its 98% customer retention rate confirm customer reliance on the company.

Inc. editor-in-chief Mike Hofman said companies on the list reflect perseverance, smart decision making, creativity, resilience and customer focus.

The release said the 2026 Inc. 5000 rankings are based on percentage revenue growth from 2022 to 2025. It said companies had to be founded and generating revenue by March 31, 2022, and had to be U.S.-based, privately held, for-profit and independent as of Dec. 31, 2025. The methodology also set minimum revenue thresholds of $100,000 for 2022 and $2 million for 2025.

Action1 said the full list is available on Inc.com and more information about the company is available on Action1.com.

Sources

• PR Newswire release text

Editorial note: This article was prepared with AI assistance and includes source attribution for reader review.

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