Bryan, Garnier & Co acts as Sole Debt Advisor to PSG Equity on their majority acquisition of Diapason

Diapason is a leading French Treasury and Risk Management Software provider for large and mid-sized companies.

Launched in 2009, Diapason rapidly established itself as a reference software solution for managing treasury, payment, and risk processes for major and mid-market companies, with a presence in France and abroad.

With the strategic and financial support of PSG, Diapason’s management team aims to reinforce its leading position in France and expand into new international markets, becoming a champion in cash management software across key European countries. The company’s ambition is to carry out targeted external growth operations, broaden its geographical footprint, and enrich its product offering. Diapason will benefit from PSG’s sector expertise, having supported the successful growth of Nomentia, one of Europe’s leading cash management software companies.

Bryan, Garnier & Co advised PSG Equity and ran a competitive debt process with a group of banks and direct lenders to find the best financing option for the company.

The Unitranche route was eventually selected as the option offering the best price/flexibility ratio for the company and its shareholders.

This represents a landmark transaction for Bryan Garnier & Co’s Debt Advisory franchise, having led the whole debt process from lenders education to closing on an expedited timeframe.

As a reminder, Bryan, Garnier & Co also acted as Sole Financial Advisor to Seven2 and the Management of Diapason.

Founded in 1990, Diapason has been involved in the world of software publishing in the service of financial processes for 30 years. The company focused its activities on the world of corporate treasury from 2009, giving birth to the Diapason solution.
Diapason offers a software solution that meets the digitalization needs of financial departments, allowing them to optimize their liquidity management, automate and secure their payments, and manage the risks associated with their portfolios of financial instruments.
Diapason is the translation of an approach of innovation and values carried by its employees: intellectual rigor and reliability, curiosity, and a sense of service to our customers.
Deployed in more than 100 groups of all sizes, the solution is used by more than 10,000 finance professionals in 50 countries.


PSG is a growth equity firm that partners with software and technology-enabled services companies to help them navigate transformational growth, capitalize on strategic opportunities, and build strong teams. Having backed more than 130 companies and facilitated over 470 add-on acquisitions, PSG brings extensive investment experience, deep expertise in software and technology, and a firm commitment to collaborating with management teams. Founded in 2014, PSG operates out of offices in Boston, Kansas City, London, Madrid, Paris, and Tel Aviv.