Biogas Made Easy.

We believe there is no “waste”—only resources in the wrong place. Our mission is to shift the paradigm toward a truly circular economy, where reuse is more accessible and affordable than disposal. Demetra empowers communities worldwide with modular, scalable solutions that turn organic residues into clean energy and bio-nutrients—easily.

What we do

Demetra offers turnkey innovation services: we reduce time-to-market by orchestrating research, prototyping and certification, then deliver licensable, field-proven patents that production partners can deploy with minimal integration effort. By focusing on elegantly simple designs, our solutions lower engineering complexity and champion circular-economy principles.

EPC & Turnkey Delivery

End-to-end design, build, commission and operate.

Energy Services (ESCo)

Long-term O&M, performance guarantees, biogas offtake.

Consultancy & Feasibility

Impact studies, process design, engineering.

Our Story

  • 2013: Demetra Ltd. founded in Dublin with DCU & MMU partnership

  • 2016: ADBag® patent filed (No. 102016000080358); first pilot plant commissioned in Ireland

  • 2017: Demetra Group S.r.l. established in Milan; recognized as “Innovative Startup”

  • 2020: Enhanced remote-monitoring capabilities in response to COVID-19

  • 2023: Launched ADBlock® R&D program; ADBlock® trademark registered

ADBag® Modular Digester

Demetra’s flagship, fully prefabricated anaerobic digestion system.

ADBlock® Micro-Digester

An ultra-compact, lens-shaped reactor on a prefab base housing pumps, controls and gas storage.

Discover our technology

Demetra’s flagship, fully prefabricated anaerobic digestion systems converts diverse organic wastes into biogas and bio-fertilizer.

Our Partnerships