Abacus places No. 1,568 on 2026 Inc. 5000 list
Abacus said it placed No. 1,568 on the 2026 Inc. 5000 and noted that it was its fifth appearance on the annual ranking of fast-growing private companies.
Abacus said on Aug. 17, 2026, that it placed No. 1,568 on the 2026 Inc. 5000 list of America’s fastest-growing private companies. The company said it was its fifth appearance on the annual ranking.
The company said the placement also included No. 144 in the New York-Newark-Jersey City metro area, No. 126 among New York-based honorees and No. 66 among IT Services companies nationwide.
According to the release, the 2026 Inc. 5000 ranks companies by percentage revenue growth from 2022 to 2025. Abacus said it serves highly regulated industries, including financial services and healthcare, and described itself as a global managed IT and cybersecurity service provider.
The company said its recent growth has come through acquisitions and mergers. The release named Entara, a Chicago-based MSP and MSSP with incident response capabilities, and Medicus IT. Abacus also said it has added AI orchestration, emergency incident response and cybersecurity governance and advisory services.
CEO Anthony J. D'Ambrosi said the fifth Inc. 5000 recognition reflects the team’s shared purpose and commitment to learning, growth and client service. He said the company remains focused on investing in technologies that power lives and livelihoods.
The release said Abacus has a global headquarters in New York City and an EMEA headquarters in London.
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