
Marches Biogas
Ensure Compliance
Adoption of Water Reuse technology
Boost ESG Performance
Cut CO2 Emissions
Save Costs & Resources
Support UN SDGs
Providing Anaerobic Digestion Expertise Since 2009
Marches Biogas are anaerobic digestion (AD) specialists, delivering tailored, end-to-end solutions that drive performance, uptime, and profitability. With over two decades of hands-on experience, we offer market-leading expertise in the design and build, along with optimisation and long-term support of AD plants across industrial, municipal and agricultural sectors.
Full-Service AD Partner: One of the UK’s only true turnkey AD contractors—offering everything from feasibility to aftercare under one roof.
Proven Performance Experts: We help unlock the full potential of underperforming plants, restoring efficiency and maximising returns.
As part of the Glanua Group, our clients also benefit from access to advanced water and wastewater capabilities, innovative technologies and international resources.
From concept to commissioning—partner with the UK’s AD specialists
We focus on maximising biogas yields from a wide range of feedstocks.
Our expertise covers the full project lifecycle, including feasibility studies and turnkey plant builds to upgrades and ongoing operation and maintenance.
We deliver measurable performance gains through increased yields, improved reliability, and reduced downtime. Alongside technical delivery, we provide regulatory support and help integrate renewable energy solutions to support your journey toward Net Zero.

From concept to commissioning—partner with the UK’s AD specialists
We focus on maximising biogas yields from a wide range of feedstocks.
Our expertise covers the full project lifecycle, including feasibility studies and turnkey plant builds to upgrades and ongoing operation and maintenance.
We deliver measurable performance gains through increased yields, improved reliability, and reduced downtime. Alongside technical delivery, we provide regulatory support and help integrate renewable energy solutions to support your journey toward Net Zero.

Our Services
Since its establishment in 2009, Marches Biogas has built over 30 anaerobic digestion plants, from small-scale setups around 50 kWe to large, industrial facilities handling diverse feedstocks.
Our integrated approach ensures each phase, from design, build, commissioning, to operational delivery and support is expertly managed.
Marches Biogas is a UK-based specialist in anaerobic digestion, offering end-to-end solutions from design through to commissioning, operation, and ongoing support across biological, mechanical, electrical, process, and regulatory disciplines.
Read MoreExplore our full range of expert services designed to support every stage of anaerobic digestion:
- Design – Process, mechanical, electrical design, and Principal Designer duties.
- Design & Build – Principal contractor responsibilities, build quality assurance, and flexible project delivery.
- Commissioning & Decommissioning – Comprehensive handling of startup and closure phases.
- Training & E-Learning – Courses for AD operators, consultants, students, and those eager to deepen their anaerobic digestion knowledge.
- Plant Operation Studies – Process assessments, operational audits, troubleshooting, and innovative Lithium Trace Testing.
- Process Enhancement & Innovation – Advanced solutions to improve performance and efficiency across systems.
- Process Safety – DSEAR surveys, HAZOP studies, health & safety advice, and facility safety audits.
- Biological Support – Expert help to optimise biological processes within AD systems.
- Feedstock Support – Guidance on feedstock selection and management to sustain optimal biogas generation.
- Mechanical, Electrical & Instrumentation Support – Skilled assistance across all technical aspects of plant infrastructure.
- Regulatory & Permitting Support – Environmental permitting, audits, EMS setup, RHI reporting, PAS110 and Digestate Quality compliance.
- Safety Checks – Comprehensive audits and assurance to maintain safe, compliant operations.

- Process Safety – DSEAR surveys, HAZOP studies, health & safety advice, and facility safety audits.
- Biological Support – Expert help to optimise biological processes within AD systems.
- Feedstock Support – Guidance on feedstock selection and management to sustain optimal biogas generation.
- Mechanical, Electrical & Instrumentation Support – Skilled assistance across all technical aspects of plant infrastructure.
- Regulatory & Permitting Support – Environmental permitting, audits, EMS setup, RHI reporting, PAS110 and Digestate Quality compliance.
- Safety Checks – Comprehensive audits and assurance to maintain safe, compliant operations.
Glanua Industrial
Your complete solutions partner in water, wastewater and bioresource solutions


Specialist Design & Build
Delivering innovative water and wastewater infrastructure solutions tailored to client needs, ensuring efficiency and compliance.
Manufacture & Fabrication
Providing high-quality, bespoke components and systems through in-house manufacturing and fabrication expertise.
Operations & Maintenance
Ensuring optimal performance and longevity of water and wastewater assets with expert operations and maintenance services.
Products & Technology
Innovative technologies and products that drive performance and sustainability in water and wastewater management.
Rental Solutions
Providing flexible and reliable equipment rental options to meet diverse operational needs.
Specialist Works
Delivering smaller complex project upgrades with expertise in specialist water and wastewater solutions.

Building a sustainable and circular future together
Our approach aligns with the UN Sustainable Development Goals, promoting water reuse and sustainable practices. Glanua is also an active influencer in the water industry, participating in platforms like the All-Party Parliamentary Water Group to demonstrate leadership. Our transition support from municipal systems to bespoke industrial solutions reflects a commitment to doing the right thing, transparently and responsibly, for our clients and the environment.

Mark Pugh
Director at Marches Biogas

Keith Knight
Director at Marches Biogas

Lucy Lewis
Technical Manager at Marches Biogas

Brendan Rouse
Operations Director – Industrial

Jon Waller
Operations Director, Aqua Operations

Kevin Mooney
Business Development Manager

David Gaskill
Business Development Manager
