A Growing Family of Software Companies
Jonas Software acquires, manages, and builds industry-specific software companies globally.
Vertical Markets
Countries
Companies
Employees
Owners & Operators
Hear what other business owners have to say about their experience with Jonas and how we helped preserve their legacy.

M&A Advisors
Learn about our acquisition guidelines to ensure that Jonas Software is the best future home for your clients.
Autonomy
We have a decentralized structure and do not seek to take over the day-to-day operations of our companies.
Buy & Hold Forever
We have never sold a business. This is our software for life promise – selling to Jonas means you have found a permanent home.
Culture of Sharing Best Practices
Leverage our vertical market software expertise. Jonas has completed 130+ acquisitions and our parent company, Constellation Software, 850+.
GREAT SOFTWARE COMPANIES WITH EVEN BETTER PEOPLE
At Jonas Software, we have long realized that our greatest asset is our employee base. We currently have over 3500 employees across the globe and we strive to provide them with a fantastic working environment and an enriching career, which we know will translate into world-class service to our valued clients.

Recent Acquisitions

FEBRUARY 9, 2023
Seiki Systems
Seiki is a leading supplier of production control and manufacturing execution software to customers across the UK and the globe.

NOVEMBER 28, 2022
Huntington Business Systems
Huntington Business Systems (“HBS”) is a leading provider of Time and Attendance Management Software for small, medium, and large organizations across various industries.

NOVEMBER, 21, 2022
Qwantec
Qwantec is a market leading software provider of time & attendance control services and tools. Qwantec is dedicated to the provision of hardware and software in the areas of employee attendance and workforce management.
acquisition stories
Want to hear about Jonas Software periodically?
Be the first to know about Jonas Software’s latest updates. Be notified about our latest acquisitions, blog posts, and stay connected to our future M&A content!