Alantra advises JPB Système on the sale of a minority stake to Ardian  

Oct 2025

Sell-side and Debt advisory

Paris – Alantra has acted as exclusive financial advisor to JPB Système on the sale of a minority investment to Ardian.  

JPB Système is a strategic Tier-1 supplier to major aircraft engine manufacturers including Pratt & Whitney, Safran, GE and Rolls-Royce. The company supplies patented self-locking systems for aircraft engines and is expanding into industrial digitalization through Keyprod, its proprietary SaaS platform, and Boltrakk, a torque monitoring solution co-developed with Airbus. 

Olivier Guignon, Managing Partner at Alantra, said: «This transaction highlights the strength of our Aerospace & Defense platform and our ability to deliver high-value outcomes under tight timelines. We are proud to support JPB Système in securing a trusted partner for its next growth chapter and continuing to push the boundaries of industrial innovation.» 

This transaction further underscores Alantra’s strong track record in Aerospace & Defense, following recent deals such as the cross-border sale of Aeroservicios to CSI Leasing and Navantia’s acquisition of Harland & Wolff’s assets.