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 185+ acquisitions and our parent company, Constellation Software, 1,200+.
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
November 5, 2025
APESA Software
ASPEA Software has over 25 years of experience in developing and implementing solutions for the registration, control, and management of transactions in financial markets.
October 27, 2025
Fidelity Systems Ltd.
Fidelity Systems Ltd. (Fidelity), is a prominent provider of Electronic Point of Sale (EPOS) and retail management solutions to the hospitality and retail sectors across the United Kingdom.
September 12, 2025
Jegymester
Jegymester is a leading ticketing platform in Hungary, specialising in online sales and on-premise ticketing solutions for theatrical performances, exhibitions, concerts, and sporting events. With three decades of experience, the company has built strong partnerships with major cultural institutions and event organisers, providing seamless access to the country’s vibrant entertainment scene.
acquisition stories
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