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Award August 11, 2026

33 K1 Portfolio Companies Named to the 2026 Inc. 5000

77% of K1's active portfolio companies made the list.
33 K1 Portfolio Companies Named to the 2026 Inc. 5000

Congratulations to the 33 K1 portfolio companies named to the 2026 Inc. 5000 list of America’s fastest-growing private companies.

This list belongs to the founders and teams behind these companies – their focus, their persistence, and their refusal to sacrifice discipline for speed. We’re grateful to partner with businesses like these, and proud to play a part in their journey toward becoming category leaders in AI-powered technology.

Congratulations to the 2026 honorees:

accessiBe Company Logo
ControlUp Company Logo
Cyara Company Logo
Dental Intelligence Company Logo
Eltropy Company Logo
Emburse Company Logo
Employ (Jobvite) Company Logo
Gravyty Company Logo
Hiver Company Logo
IRONSCALES Company Logo
IXOPAY Company Logo
Lumistry Company Logo
MariaDB Company Logo
Murj Company Logo
Onit Company Logo
Panopto Company Logo
PerfectServe Company Logo
RentRedi Company Logo
Rethink First Company Logo
Reveal Company Logo
Routeware Company Logo
SecureAuth Company Logo
simPRO Company Logo
Smarsh Company Logo
TeamDynamix Company Logo
Technomile Company Logo
Valiant Company Logo

See the full Inc. 5000 list

Disclosure: Companies on the 2026 Inc. 5000 list are ranked according to their percentage revenue growth over three years, from 2022 to 2025. For full methodology, visit Inc.com.

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Certain statements about K1 Investment Management LLC (“K1”) made by portfolio company executives herein are intended to illustrate K1's business relationship with such persons, including with respect to K1's facilities as a business partner, rather than K1's capabilities or expertise with respect to investment advisory services. Portfolio company executives were not compensated in connection with their participation, although they generally receive compensation and investment opportunities in connection with their portfolio company roles, and in certain cases are also owners of portfolio company securities and/or investors in K1-sponsored vehicles. Such compensation and investments subject participants to potential conflicts of interest in making the statements herein. For K1, “carbon neutral” means that any greenhouse gas (GHG) emissions derived from a defined scope of K1’s activities are balanced by an equivalent amount removed, including through our purchase of carbon credits. In this report, our “carbon neutral” status is based on our GHG emissions footprint calculated in accordance with the GHG Protocol as of December 31st, 2023 (comprising Scope 2 Electricity and Gas usage and certain Scope 3 categories: Business Travel and Employee Commuting), amounting to an estimated 3,497 metric tons CO2e. K1 then purchased and applied carbon credits in 2024, amounting to an estimated 6,994 metric tons of CO2e. We engaged a third party to assist with the calculation of K1’s estimated GHG emissions for 2023, but we did not obtain independent, third-party verification of our “carbon neutral” status. To address our 2023 emissions, we contributed to the Conservación y Captura de Carbono / Conservation and Carbon Capture (CO2LTZINGO) reforestation carbon removal project in Coltzingo, Mexico (CAR 1464). This project was certified by the Climate Action Reserve (CAR), using the Protocolo Forestal para México (PFM) Versión 1.5 / Mexico Forest Protocol Version 1.5 and the Guía de Cuantificación de Acervos de Carbono y Monitoreo del Proyecto Versión 1.5 / Project Monitoring and Carbon Stock Quantification Guidance Version 1.5 with a validation date of January 15th, 2019.

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