ACQUIRE. MANAGE. BUILD.
A Growing Family of Vertical Market Software Companies.
Jonas Software is a leading acquirer of mission-critical vertical market software companies with over 20+ years of experience providing businesses with the tools and network to grow into successful companies.
Vertical Markets
Countries
Companies
Employees
Owners & Operators
Hear what other business owners have to say about their experience with Jonas Software 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 at Jonas, 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 175+ acquisitions and our parent company, Constellation Software, 1,000+.
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
June 25, 2025
CAST Group of Companies
CAST is an Emmy award-winning developer of software and hardware solutions for the entertainment, special events, and meetings industries.
June 2, 2025
Cornerstone Billing Solutions
Cornerstone Billing Solutions is a trusted leader in cloud-based billing and account management solutions for the Alarm and Security Industry.
May 2, 2025
Wheatley Software Solutions
Wheatley is a leading provider of specialist software for the UK utilities sector, enabling accurate, efficient, and compliant operations.
acquisition stories
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