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18 Mar 2026

Addleshaw Goddard Advises Delclaux and Mengotti‑Maroto Family Offices on €30m Investment in Biogas Firm B.Power

"Addleshaw Goddard advised the founding partners of B.Power, a Logroño-based biogas developer, on the entry of two family-office investors (the Delclaux and Mengotti-Maroto families) into the company’s share capital. The €30 million transaction bolsters B.Power’s position in Spain’s growing biogas sector. The multidisciplinary AG team was led by energy partner Gonzalo Olivera with counsel Alberto Artés and included Roberto Pomares, Fátima García de la Torre, Elena Gonos and Jorge López Rey."

Addleshaw Goddard advised the founding partners of B.Power on the entry into its share capital of two family office investment vehicles — those of the Delclaux and Mengotti-Maroto families. The €30 million transaction strengthens B.Power’s position in Spain’s growing biogas sector, a segment gaining relevance within the national energy mix and attracting specialised investment. The Addleshaw Goddard team was led by partner and head of energy Gonzalo Olivera, with support from counsel Alberto Artés. The team also included corporate partner Roberto Pomares, senior associates Fátima García de la Torre and Elena Gonos, and associate Jorge López Rey.
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