3i Infrastructure plc fund managed by 3i Investments Plc acquired Future Biogas Group Plc from Marechale Capital Plc and others for £28 million.

Marechale Capital plc is a United Kingdom-based corporate finance company. The Company's principal activities are the provision of professional services, advice and broking services to companies. It runs a merchant banking advisory business and provides a bespoke corporate finance advisory service. Its services include undertaking development, capital fund raising, or other corporate activity, such as mergers and acquisitions. It provides capital raising through equity financing, debt financing, and mezzanine. Its advisory services include strategic review and consultancy, refinancing and exit advice, and growth plans. It provides subordinated debt or a preferred equity instrument that provides alternative funding options for its clients. The Company has a network of investors, including private equity houses, family offices, institutional investors, and wealth managers. It advises and finances consumer brands, leisure, clean energy, mineral extraction and technology companies.