Mainstar Software Corporationrevenue & acquisition
Other IT Security SoftwareUnited StatesFounded 1978
Mainstar Software Corporation was acquired by Rocket Software. See Rocket Software's profile →
Mainstar Software Corporation is an Other IT Security Software company based in the United States, founded in 1978.
- Customers
- 200K
Mainstar Software Corporation revenue
Mainstar Software Corporation's annual revenue was $110M in April 2021, its last figure before Rocket Software bought it (source not recorded).
| As of | Revenue | Source |
|---|---|---|
| Apr 2021 | $110M | – |
– source not recorded
Who owns Mainstar Software Corporation
Rocket Software owns Mainstar Software Corporation. The date and price of the deal are not on record.
Mainstar Software Corporation CEO, founders & employees
Andy Youniss founded Mainstar Software Corporation in 1978 and led it as CEO. Mainstar Software Corporation had 1,310 employees (April 2021).
- Andy YounissFounder & CEO
Mainstar Software Corporation FAQ
What was Mainstar Software Corporation's revenue?
Before Rocket Software bought it, Mainstar Software Corporation's annual revenue was $110M in April 2021 (source not recorded).
Who owns Mainstar Software Corporation?
Rocket Software owns Mainstar Software Corporation.
How many employees does Mainstar Software Corporation have?
Mainstar Software Corporation had 1,310 employees in April 2021.
Who founded Mainstar Software Corporation?
Andy Youniss founded Mainstar Software Corporation in 1978.
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How this page is sourced
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 Aug 10, 2026Data disclaimerReport a correctionClaim this profileRun Mainstar Software Corporation? Join the podcast