This landmark, proprietary transaction marks Main’s second platform investment in France, following the recent opening of its Paris office in February 2025. The management team of PRIM’X will remain operationally involved and will hold a significant minority stake, ensuring continuity and commitment to the company’s long-term strategy. The transaction received all necessary regulatory approvals.
The acquisition of PRIM’X underscores our commitment to investing in the security software market and partnering up with like-minded entrepreneurs.''
Jonas Kruip, Co-Head of Main France said: “In today’s world, as cyber threats grow in complexity, advanced data encryption is no longer optional – it is a fundamental necessity for securing sensitive information across industries and maintaining trust in digital systems. The acquisition of PRIM’X underscores our commitment to investing in the security software market and partnering up with like-minded entrepreneurs. We look forward to partnering with the management team of PRIM’X, who have not only built an impressive suite of security software solutions in France but have also managed to successfully internationalize the product suite. In the coming years, we will focus on organic growth complemented by a selective buy-and-build strategy and will leverage our expertise in the security software market to support PRIM’X to grow into new geographies and verticals, whilst further improving and innovating the product offering.”
A major contribution to national and European data sovereignty
Thanks to Main’s strategic support, PRIM’X strengthens its position in Europe and reaffirms its policy of product certification with the different cybersecurity authorities such as the ANSSI in France, CCN in Spain and AIVD in the Netherlands to guarantee a high level of trust in its products, both on a national and European level. Its development hub, based in France, will continue to grow to serve its customers.
Serge Binet, Founder and CEO of PRIM’X added: “Our new partnership with Main Capital represents a significant milestone in PRIM’X’s growth journey. With our global vision reinforced, we remain deeply committed to expanding internationally and investing in data security innovations that improve data sovereignty for authorities and private companies. Whilst PRIM’X has been robust and successful on its own, we saw in Main Capital a strong strategic partner to accelerate growth and diversify. The entire leadership team will remain actively invested and at the helm for this next phase as PRIM’X expands into new technologies and markets.“
PRIM’X is a leading software developer of encryption and data confidentiality solutions mainly directed to the Enterprise segment and (semi-) public administrations. The company offers a wide range of proprietary software solutions covering files and folder encryption, disk and laptop encryption, files and folder in transit encryption, email encryption as well as Microsoft 365 cloud encryption. The company was founded by the current CEO in 2003 and serves a French and International customer base of more than 1,000 customers with their team of c. 50 FTE working from their headquarters in Lyon, France, and a second office in Paris, France.
Nothing contained in this Press Release is intended to project, predict, guarantee, or forecast the future performance of any investment. This Press Release is for information purposes only and is not investment advice or an offer to buy or sell any securities or to invest in any funds or other investment vehicles managed by Main Capital Partners or any other person.
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