A Growing Family of Over 110 Software Companies

Jonas Software acquires, manages, and builds industry-specific software companies globally.


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.



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.

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Culture of Sharing Best Practices

Leverage our vertical market software expertise. Jonas has completed 110+ acquisitions and our parent company, Constellation Software, over 650.


At Jonas Software, we have long realized that our greatest asset is our employee base. We currently have over 3000 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.

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Recent Acquisitions

DECEMBER 23, 2021

Lean Industries

Lean Industries is focused exclusively on delivering solutions for disputed consumer-originated financial transactions, in both the card and non-card payments space, for both fraud and non-fraud disputes.

DECEMBER 24, 2021

AMT Sybex

AMT Sybex is the leading provider of critical utilities and infrastructure software in the UK. AMT Sybex’s software is used to manage data flows for more than 35 million electricity and gas meter points, with around two million records processed per day.

DECEMBER 17, 2021


Seekom is a market leader for providing a full in-house and channel management platform for campgrounds, motels, small hotels, and property managers. 

acquisition stories

“The Jonas family of companies was a great permanent home for our family business. It was clear from the beginning that Jonas shares our belief of taking great care of our employees and customers. They stand behind their ‘Software for Life’ promise.”

John Brookbank
Shareholder & CEO, BEC Legal

“I joined Jonas through the acquisition of XN Leisure in 2010. Not only has the business thrived under Jonas ownership, it has also been a fantastic place for me to grow my career.”

Darrell Boxall
Managing Director, XN Leisure (now Portfolio Manager, Jonas UK)

“One of Jonas’ key success factors is autonomy and decentralization. Since selling my software company to Jonas in 2012, I’ve continued to run my business independently while being able to tap into the knowledge and best practices from other Jonas companies.”

Eric Rennagel
Founder & CEO, My Media Box

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