Groupe Solstyce has finalized a financing agreement to support its three-year plan
November 2025 — Groupe Solstyce has secured a financing agreement with Banque Populaire Rives de Paris, acting as arranger, alongside a pool of five banking institutions: Banque Populaire Auvergne Rhône Alpes, BNP Paribas, Crédit Agricole Île-de-France, Arkéa Banque and Caisse d'Épargne Île-de-France. This strategic financing will support the group’s ambitious three-year US$170 million investment plan, reinforcing its position as a leading operator in the energy transition.
Guillaume David, co-founder and chairman of Groupe Solstyce, said: “This funding reflects the confidence of our financial partners and opens up new opportunities for our projects. It will enable us to develop new energy transition services for our clients, support the operation of our energy facilities and assist our clients with the financing of their projects.”
Founded in 2009, Groupe Solstyce is an energy transition operator supporting businesses and local authorities in their decarbonization journey through five integrated solutions: solar energy, electric mobility, energy storage, flat-roof waterproofing and low-carbon strategy. The group also offers a strategic financing lever, enabling clients to implement their most ambitious energy transition projects without compromising their core capital expenditure. Backed by a stable shareholder base comprising its founding partners, 32 managers and long-standing financial investors NextStageAM and Bpifrance, Groupe Solstyce acts as a trusted one-stop-shop partner, combining technical expertise, energy services and project financing to guide clients from strategy definition through to project execution.
Our role in the transaction
Oaklins’ team in France acted as the exclusive M&A and financing advisor to Groupe Solstyce in this transaction. The deal reflects the group’s sustainable financial and operational performance and demonstrates the resilience of a value proposition centered on delivering measurable ROI for businesses and local authorities pursuing energy transition investments.
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