Promaksolutions

About

Promaksolutions is a private headquartered in Sentmenat, Spain specializing in Biogas, Biomass, Hydrogen.

PROMAK is an independent engineering company operating as a technology partner and integrator in renewable energy and circular economy solutions. The company specializes in biogas and waste-to-energy projects that convert organic, agricultural, livestock, and industrial waste into renewable energy (biomethane and electricity), fertilizers, and valuable products. PROMAK delivers integrated services spanning conceptual design, detailed engineering, turnkey installations, retrofitting, 24/7 support, and spare parts inventory. The company integrates proven European technologies in anaerobic digestion, biogas upgrading, CO2 liquefaction, digestate treatment with nutrient recovery, and plastic recycling processes. With over 20 years of experience, PROMAK serves industrial companies, cooperatives, and industries across Spain and Portugal, helping them achieve ESG objectives, reduce emissions, and valorize waste through circular economy principles.

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