OneStream Softwarerevenue & acquisition
Accounting & Finance SoftwareBirmingham, MichiganFounded 2012
OneStream Software was acquired by Hg in 2026.
OneStream Software is an Accounting & Finance Software company based in Birmingham, founded in 2012.
- Customers
- 1.3K
OneStream Software revenue
OneStream Software's annual revenue was $601.9M in December 2025, its last figure before Hg bought it (SEC filing). That is up 23% from $489.4M a year earlier.
All 3 revenue readings, with sources
| As of | Revenue | Source |
|---|---|---|
| Dec 2023 | $374.9M | SEC filing |
| Dec 2024 | $489.4M | investor.onestream.com |
| Dec 2025 | $601.9M | SEC filing |
Who owns OneStream Software
Hg owns OneStream Software. It bought the company in April 2026 for $6.4B (SEC filing).
OneStream Software CEO, founders & employees
Tom Shea founded OneStream Software in 2012 and led it as CEO. OneStream Software had 1,500 employees (December 2024, Press Release), up from 1,300 a year earlier.
- Tom SheaFounder & CEO
All 2 headcount readings, with sources
| As of | Employees | Source |
|---|---|---|
| Dec 2024 | 1,500 | Press Release |
| Dec 2023 | 1,300 | Press Release |
OneStream Software FAQ
What was OneStream Software's revenue?
Before Hg bought it, OneStream Software's annual revenue was $601.9M in December 2025, according to an SEC filing.
Who owns OneStream Software?
Hg owns OneStream Software. It bought the company for $6.4B in April 2026, according to an SEC filing.
How many employees does OneStream Software have?
OneStream Software had 1,500 employees in December 2024, according to a press release.
Who founded OneStream Software?
Tom Shea founded OneStream Software in 2012.
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How this page is sourced
5 from public sources. Founder figures link to the second they were said; public figures name their source; estimates are marked EST and say whose they are. Not financial advice.
Updated Sep 29, 2026Data disclaimerReport a correctionClaim this profileRun OneStream Software? Join the podcast