Acquisition
Dec 2025Harbor Compliance announced it had acquired Firstbase.io, bringing Firstbase into Harbor Compliance's compliance platform and support network.
SourceThe all-in-one startup operating system
Company research
Public company, workplace, funding, and market signals
Overview
Firstbase.io is a New York-based, founder-focused business operations platform that helps entrepreneurs incorporate and run U.S. companies with an all-in-one stack spanning formation, compliance, mailroom, bookkeeping, and tax. The company was founded in 2019 and was acquired by Harbor Compliance in December 2025.
Primary product
Firstbase One, an all-in-one startup operating system for incorporation, compliance, bookkeeping, and tax
Founded
2019
Headquarters
New York, New York, United States
Team size
40-50
Work style
Flexible
Industry
Technology, Information and Internet
Sub-industry
Business formation and compliance software for founders
Offices
Open Positions
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