Anaerobic digestion plays a critical role in the sustainable management of organic waste. By breaking down biodegradable materials in the absence of oxygen, this process not only creates renewable energy in the form of biogas but also produces nutrient-rich fertilizers. Companies in this space primarily focus on designing and operating anaerobic digesters, offering solutions for sectors like agriculture and waste management. With increasing global attention on waste reduction and renewable energy, the anaerobic digestion industry is poised for growth, driven by technological advancements and rising environmental regulations that require more efficient waste processing methods.


The list of anaerobic digestion companies features 27 players in the sector, ranging in size from small consultancies to larger operations with dozens of employees. Their headquarters span various countries, including the USA, UK, Italy, and Germany. Established from the late 1980s to 2023, these companies specialize in converting organic waste into biogas for energy production and soil enhancement. Noteworthy enterprises such as Bioenergy Devco and BTS Biogas exemplify the innovative solutions these firms bring to the waste management table.


Continue reading to explore the top anaerobic digestion companies.


Top 27 Anaerobic Digestion Companies


1. Bioenergy Devco

  • Website: bioenergydevco.com
  • Ownership type: Private Equity
  • Headquarters: Annapolis, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: $30.0M, March 2023
  • Founded year: 2016
  • Headcount: 51-200
  • LinkedIn: bioenergydevco

Bioenergy Devco, based in Annapolis, Maryland, is a private equity-backed renewable energy company that specializes in anaerobic digestion technology. Founded in 2016, the company has developed a strong presence in the industry, operating over 250 facilities globally. Bioenergy Devco focuses on converting food waste into renewable natural gas and nutrient-rich soil amendments, catering to municipalities, companies, and utilities. Their innovative approach not only addresses waste management challenges but also contributes to reducing greenhouse gas emissions. The company has recently secured $30 million in funding, which underscores its growth trajectory and commitment to advancing sustainable energy solutions. Bioenergy Devco's partnerships with various stakeholders, including local governments and businesses, highlight its role in promoting environmental sustainability and economic development through effective organics recycling.


2. BTS Biogas

  • Website: bts-biogas.com
  • Ownership type: Corporate
  • Headquarters: Affi, Italy
  • Employee distribution: Italy 92%, United Kingdom (UK) 3%, France 3%, Other 3%
  • Latest funding: August 2019
  • Founded year: 1996
  • Headcount: 51-200
  • LinkedIn: b-t-s-italia-srl

BTS Biogas, founded in 1996 and based in Affi, Italy, specializes in the production of biogas and biomethane. The company designs and manages anaerobic digesters, offering comprehensive technical assistance and biological consulting services to clients in agriculture and waste management. Their solutions are aimed at converting waste into clean energy, thereby promoting sustainability and reducing environmental impact. With a workforce of approximately 106 employees, BTS Biogas operates primarily in Italy, but also has a presence in the UK, France, and the USA. The company is committed to the principles of the circular economy, focusing on the recovery and reuse of materials to minimize waste. Their extensive experience and innovative approach to anaerobic digestion make them a significant player in the renewable energy sector.


3. Biogen (UK) Ltd

  • Website: biogen.co.uk
  • Ownership type: Private Equity
  • Headquarters: Bedford, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 100%
  • Latest funding: $9.3M, July 2012
  • Founded year: 2005
  • Headcount: 51-200
  • LinkedIn: biogen-uk-ltd

Biogen (UK) Ltd, founded in 2005 and based in Bedford, England, is a private equity-backed waste management company that focuses on food waste recycling and renewable energy generation through anaerobic digestion. The company operates nineteen anaerobic digestion plants throughout the UK, processing over half a million tonnes of organic waste each year. This operation generates 36MW of green electricity, enough to power a town for a year. Biogen's services are tailored for a variety of clients, including supermarkets, restaurants, and local authorities, providing comprehensive solutions for sustainable waste management. The company also produces nutrient-rich biofertilizers, which are certified and sought after by farmers. Biogen is committed to high environmental and safety standards, holding multiple ISO certifications and adhering to strict regulatory requirements. Their operational expertise and focus on sustainability position them as a significant player in the anaerobic digestion industry.


4. quasar energy group

  • Website: quasareg.com
  • Ownership type: Private
  • Headquarters: Cleveland, Ohio, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2006
  • Headcount: 51-200
  • LinkedIn: quasar-energy-group

Quasar Energy Group, based in Cleveland, Ohio, is a private renewable energy company that has been operational since 2006. The firm specializes in biomass management and anaerobic digestion systems, catering primarily to agricultural businesses and municipalities. Quasar assists clients in managing organic waste while generating renewable energy, thus promoting sustainability. Their service portfolio includes digester design and build, laboratory services for testing and analysis, nutrient services, and transportation services. The company is committed to advancing the biogas industry through innovative technology and research, with a team of experienced professionals dedicated to optimizing anaerobic digestion processes. Quasar's focus on effective waste management and renewable energy generation positions them as a significant player in the anaerobic digestion sector.


5. Future Biogas

  • Website: futurebiogas.com
  • Ownership type: Private
  • Headquarters: Guildford, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 98%, Ukraine 2%
  • Latest funding: January 2016
  • Founded year: 2010
  • Headcount: 51-200
  • LinkedIn: future-biogas-ltd

Future Biogas is a private renewable energy company based in Guildford, England, founded in 2010. With a workforce of approximately 145 employees, the company specializes in the production of biomethane through anaerobic digestion. They operate twelve large-scale AD plants across the UK, generating over 500 GWh of biomethane annually. Future Biogas focuses on providing solutions for businesses and farmers to reduce carbon emissions and transition to sustainable practices. Their operations include the construction, maintenance, and optimization of anaerobic digestion facilities, as well as carbon capture and storage. The company is also involved in regenerative farming, partnering with local growers to cultivate energy crops that serve as feedstock for their AD plants. Future Biogas is recognized for its commitment to sustainability and innovation, particularly through initiatives like Project Carbon Harvest, which aims to develop a new generation of unsubsidized AD plants.


6. Regenis

  • Website: regenis.net
  • Ownership type: Private
  • Headquarters: United States (USA)
  • Employee distribution: United States (USA) 89%, South Africa 11%
  • Founded year: 2002
  • Headcount: 11-50
  • LinkedIn: regenis

Regenis is a private renewable energy consulting firm based in the United States, founded in 2002. With a team of 28 employees, the company specializes in anaerobic digestion technology tailored specifically for dairy farms. Regenis offers comprehensive services that include project consulting, digester design, construction, and ongoing operation. Their primary clientele consists of dairy farmers looking to implement sustainable waste management practices. Over nearly two decades, Regenis has developed a reputation for helping farmers convert manure into renewable energy, significantly reducing environmental impact. The company has successfully facilitated the generation of over 1.5 billion kWh of renewable electricity through anaerobic digesters, showcasing their expertise and commitment to advancing clean energy solutions. Additionally, Regenis is recognized for its technical knowledge and has contributed to the American Biogas Council, further establishing its role in the industry.


7. GENeco

  • Website: geneco.uk.com
  • Ownership type: Private
  • Headquarters: Bristol, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 100%
  • Founded year: 2008
  • Headcount: 51-200
  • LinkedIn: geneco

GENeco is a private waste management and renewable energy company based in Bristol, England, founded in 2008. The company specializes in sustainable solutions for food waste and other waste streams, providing services that include anaerobic digestion and biofertiliser production. GENeco operates a modern anaerobic digestion plant that processes food waste, converting it into biomethane and renewable electricity. This facility not only helps reduce landfill reliance but also produces nutrient-rich biofertiliser, which is used in agriculture. The company collaborates with a variety of clients, such as supermarkets and local authorities, to minimize environmental impact and promote sustainability. GENeco has also been recognized for its innovative practices, including the Bio-Bee service, which collects food waste and utilizes the gas produced for its operations. Through these initiatives, GENeco plays a significant role in the waste management and renewable energy sectors.


8. Agrivert

  • Website: agrivert.co.uk
  • Ownership type: Private Equity
  • Headquarters: Stokenchurch, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 60%, Hong Kong S.A.R 40%
  • Latest funding: $52.0M, August 2015
  • Founded year: 1994
  • Headcount: 51-200
  • LinkedIn: agrivert-limited

Agrivert, founded in 1994 and based in Stokenchurch, England, is a private equity-backed renewable energy company that specializes in biogas and solar energy solutions. With a workforce of approximately 58 employees, Agrivert designs, builds, and operates anaerobic digestion facilities and solar PV systems tailored for commercial, agricultural, and domestic clients. The company has a strong focus on energy efficiency and sustainability, providing innovative engineering solutions that maximize operational performance. Agrivert has built a reputation for delivering projects that significantly outperform industry standards in energy generation and uptime. Their recent acquisition of Chiltern Solar in 2023 further expands their capabilities, allowing them to offer integrated solar PV, battery, and EV charging solutions. Agrivert's extensive experience and commitment to operational excellence position them as a notable player in the renewable energy sector, particularly in anaerobic digestion and biogas production.


9. BIOFerm


BIOFerm Energy, based in Madison, Wisconsin, is a private company established in 2007 that specializes in renewable energy solutions, particularly in biogas upgrading and anaerobic digestion systems. With a workforce of around 32 employees, BIOFerm serves a variety of markets, including agriculture, wastewater treatment, and food processing. The company is known for its turnkey solutions, which integrate various technologies to meet the unique needs of its clients. BIOFerm has successfully commissioned several significant projects, such as the first large-scale dry fermentation plant in North America for the University of Wisconsin-Oshkosh and various gas upgrading systems for landfills and agricultural operations. Their systems are designed to process different types of organic waste, ensuring that clients can effectively manage their waste while generating renewable energy. BIOFerm's commitment to environmental sustainability and innovation positions it as a notable player in the anaerobic digestion industry.


10. NLC Energy

  • Website: nlcenergy.com
  • Ownership type: Private
  • Headquarters: Denmark, Wisconsin, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2020
  • Headcount: 11-50
  • LinkedIn: nlc-energy

NLC Energy, based in Denmark, Wisconsin, is a private renewable energy company founded in 2020. The firm specializes in converting organic waste into renewable natural gas and other valuable products through anaerobic digestion. NLC Energy serves various sectors, including agriculture, food and beverage, manufacturing, oil and gas, transportation, and utilities. The company operates its own anaerobic digestion facilities, focusing on reducing carbon footprints for its clients while providing effective waste management solutions. NLC Energy has developed a robust, multi-feedstock digestion process, drawing manure from multiple farms and achieving full operational capacity. They are also recognized for producing ISBT certified beverage-grade liquid CO2 and food-grade dry ice, showcasing their innovative capabilities in the renewable energy sector.


11. Stream BioEnergy

  • Website: streambioenergy.ie
  • Ownership type: Private
  • Headquarters: Ireland
  • Employee distribution: United Kingdom (UK) 55%, Ireland 45%
  • Latest funding: $85.2M, May 2021
  • Founded year: 2009
  • Headcount: 11-50
  • LinkedIn: stream-bioenergy

Stream BioEnergy is a private renewable energy company based in Ireland, specializing in biogas production through anaerobic digestion. Established in 2009, the company has developed and operated large-scale biogas projects, converting organic waste into renewable energy and nutrient-rich biofertiliser. Their primary focus is on serving the agri-food sector, providing sustainable waste management solutions that help businesses reduce their environmental impact. Stream BioEnergy operates the Tully Biogas plant in Ballymena, Northern Ireland, which processes chicken litter and generates renewable electricity. This facility is notable for its innovative use of chicken litter as a feedstock and has received multiple awards for its contributions to energy generation. In 2021, the company secured significant funding from Pioneer Infrastructure Partners, which supports their vision of becoming a key player in the biogas market on the island of Ireland. With a dedicated team and a clear commitment to sustainability, Stream BioEnergy is positioned to make a meaningful impact in the renewable energy sector.


12. Agraferm GmbH

  • Website: agraferm.com
  • Ownership type: Private
  • Headquarters: Pfaffenhofen An Der Ilm, Bavaria, Germany
  • Employee distribution: Germany 100%
  • Founded year: 2004
  • Headcount: 11-50
  • LinkedIn: agraferm

Agraferm GmbH, based in Pfaffenhofen An Der Ilm, Bavaria, Germany, is a private company founded in 2004 that specializes in biogas technology and renewable energy solutions. The firm designs and constructs biogas plants and biomethane processing systems, catering to clients in the renewable energy and waste management sectors. With a workforce of 11-50 employees, Agraferm has built a reputation for delivering high-quality, reliable biogas facilities that are adaptable to various substrates, including less common options like grass and solid manure. The company has successfully implemented over 100 projects across 20 countries, showcasing its international reach and expertise. Agraferm also offers a range of services, including technical and biological support, maintenance, and training, ensuring that their systems operate efficiently and effectively. Their innovative approach to anaerobic digestion and commitment to quality make them a notable player in the industry.


13. NobleExchange Environment Solutions Pvt. Ltd.


NobleExchange Environment Solutions Pvt. Ltd., founded in 2011 and based in Pune, Maharashtra, is a private company dedicated to waste management and renewable energy. The firm specializes in the processing of food waste through anaerobic digestion, transforming it into compressed biogas and organic fertilizers. Their Pune plant is recognized as India's first large-scale operation for converting food waste into compressed biogas, which has been operational since 2015. NobleExchange has established partnerships with municipal corporations and various food waste generators, including restaurants and hotels, to facilitate the collection and processing of organic waste. The company has also been involved in significant projects in Bengaluru, where they are set to expand their operations. Their technology is tailored to handle the unique composition of Indian food waste, which includes challenging components like oils and spices. This focus on urban waste management positions NobleExchange as a key player in the growing bio-energy market in India.


14. Dranco

  • Website: dranco.be
  • Ownership type: Private
  • Headquarters: Ghent, Flanders, Belgium
  • Employee distribution: Belgium 100%
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: dranco

Dranco nv, based in Ghent, Belgium, is a private company specializing in anaerobic digestion technology and organic waste management consultancy. Founded in 1988, Dranco has developed patented designs for biogas plants and offers comprehensive consulting services aimed at optimizing biogas production. With a workforce of around 29 employees, the company has built a solid reputation in the waste management and renewable energy sectors. Dranco's expertise extends to the construction of anaerobic digestion plants and the provision of lab and consulting services, which support clients in both the public and private sectors. Their innovative processes, including the DRANCO and SORDISEP technologies, are designed to efficiently convert organic waste into valuable resources. Recently, Dranco was acquired by the Indaver group, which aligns with their growth strategy and enhances their operational capabilities. The company continues to focus on sustainable waste treatment and energy production solutions, reflecting their commitment to addressing environmental challenges.


15. Weltec Biopower

  • Website: weltec-biopower.com
  • Ownership type: Private Equity
  • Headquarters: Vechta, Lower Saxony, Germany
  • Employee distribution: Germany 94%, United Kingdom (UK) 6%
  • Latest funding: October 2023
  • Founded year: 2001
  • Headcount: 51-200
  • LinkedIn: weltec-biopower-gmbh

Weltec Biopower, founded in 2001 and based in Vechta, Lower Saxony, Germany, is a biogas technology provider that specializes in the construction and operation of biogas and biomethane plants. The company serves a variety of sectors, including waste management, agriculture, and food processing, by offering solutions that convert organic waste into renewable energy. Weltec's services extend beyond plant construction to include maintenance and energy contracting, ensuring that their clients can optimize the performance of their biogas facilities. With a workforce of approximately 66 employees, the company has successfully implemented over 350 energy plants in more than 25 countries, showcasing their expertise and commitment to the biogas industry. Their focus on sustainable energy solutions positions them as a significant player in the anaerobic digestion sector.


16. Ixora Energy Limited (soon to be ENGIE UK)


Ixora Energy Limited, soon to be ENGIE UK, is a renewable energy provider based in the South West of England. Founded in 2010, the company specializes in anaerobic digestion (AD) technology, transforming agricultural waste into biogas and renewable electricity. Their facilities not only generate green energy but also produce organic fertilizers, which are supplied to local farmers, thereby supporting sustainable agricultural practices. Ixora Energy operates several AD plants, including Condate Biogas and Gorst Energy, and is actively involved in community initiatives to promote awareness of renewable energy and sustainability. The company has recently received significant funding, amounting to approximately $79.7 million in 2023, which underscores their growth and commitment to expanding their operations. As part of the ENGIE group, Ixora Energy is positioned to enhance its capabilities and contribute to the energy transition in the UK and Ireland.


17. Xergi

  • Website: xergi.com
  • Ownership type: Corporate
  • Headquarters: Denmark
  • Employee distribution: Denmark 100%
  • Latest funding: November 2018
  • Founded year: 1985
  • Headcount: 51-200
  • LinkedIn: xergi

Xergi, based in Denmark, is a biogas producer that has been operational since 1985. The company focuses on renewable energy solutions by converting agricultural and industrial waste into green, CO2-neutral biogas. Xergi's business model emphasizes sustainability and community engagement, as they work closely with local farmers and businesses to utilize waste materials effectively. They have developed a reputation for building and operating biogas plants, which are among the most modern in the world. Xergi is also actively pursuing international expansion, with projects planned in various countries, showcasing their ambition to contribute to the global green transition. Their operations not only help in waste management but also play a significant role in reducing carbon emissions, making them a key player in the biogas industry.


18. The Waste Transformers

  • Website: thewastetransformers.com
  • Ownership type: Private
  • Headquarters: Velsen-Noord, North Holland, Netherlands
  • Employee distribution: Netherlands 82%, Italy 9%, Sierra Leone 9%
  • Latest funding: January 2021
  • Founded year: 2014
  • Headcount: 11-50
  • LinkedIn: the-waste-transformers

The Waste Transformers is a private cleantech company based in Velsen-Noord, North Holland, Netherlands, founded in 2014. The company focuses on food waste management, providing innovative anaerobic digesters that convert food waste into biogas, electricity, and natural fertilizers. Their technology is designed to operate on-site, which minimizes the need for waste transport and supports a circular economy. The Waste Transformers caters to a range of clients, including hotels, shopping malls, and municipalities, helping them to manage their food waste sustainably. They have established a global presence with installations in various locations, showcasing their commitment to addressing food waste challenges. The company is recognized for its efforts to inspire businesses and communities to see food waste as a valuable resource rather than a burden.


19. Sevana Bioenergy LLC

  • Website: sevanabioenergy.com
  • Ownership type: Corporate
  • Headquarters: Boise, Idaho, United States (USA)
  • Employee distribution: United States (USA) 84%, Canada 16%
  • Latest funding: March 2023
  • Founded year: 2017
  • Headcount: 11-50
  • LinkedIn: sevana-bioenergy-llc

Sevana Bioenergy LLC, based in Boise, Idaho, is a renewable energy company that focuses on the production of renewable natural gas (RNG) and organic soil amendments through anaerobic digestion. Established in 2017, Sevana collaborates with agricultural businesses to transform organic waste into sustainable energy solutions. The company employs advanced European technology and engineering practices to develop, design, own, and operate large-scale anaerobic digestion projects. Sevana's mission is to accelerate the production of RNG in North America, contributing to waste reduction and greenhouse gas emission mitigation. They have successfully executed multiple projects across agricultural regions in the U.S., including dairy and organic waste initiatives. Recently, Sevana secured a partnership with the Ontario Teachers' Pension Plan, which includes a capital commitment to support the development of innovative RNG projects. This partnership underscores Sevana's strategic growth and commitment to sustainability in the energy sector.


20. Andion CH4 Renewables

  • Website: andionglobal.com
  • Ownership type: Venture Capital
  • Headquarters: Milan, Lombardy, Italy
  • Employee distribution: Italy 58%, Sweden 18%, Canada 18%, Other 5%
  • Latest funding: January 2023
  • Founded year: 2017
  • Headcount: 11-50
  • LinkedIn: andiongroup

Andion CH4 Renewables, based in Milan, Italy, is a renewable energy company that specializes in converting organic waste into renewable energy through anaerobic digestion. Founded in 2017, the company has developed a proven platform for various organics-to-renewable energy projects, having successfully delivered over 50 biogas facilities. Their multidisciplinary team brings over 20 years of experience in project development, from design to operation. Andion focuses on creating tailored solutions for a wide range of organic waste feedstocks, including food scraps, agricultural waste, and industrial by-products. They actively collaborate with local communities, farmers, and utilities to ensure that their projects meet both environmental and social responsibilities. Their proprietary technologies, such as the Tornado® system for waste de-packaging, enhance the efficiency of anaerobic digestion processes. Andion's commitment to research and development further supports their goal of advancing technologies that address waste challenges and promote sustainable energy production.


21. Synthica Energy

  • Website: synthica.com
  • Ownership type: Private Equity
  • Headquarters: Cincinnati, Ohio, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: August 2023
  • Founded year: 2017
  • Headcount: 11-50
  • LinkedIn: synthica

Synthica Energy, established in 2017 and based in Cincinnati, Ohio, specializes in the development of anaerobic digestion facilities that transform organic waste into renewable natural gas. The company primarily serves food manufacturers and breweries, providing them with sustainable waste management solutions. Synthica Energy is actively involved in various projects across the United States, including facilities in St. Bernard, Cincinnati, and San Antonio, Texas, which are designed to process significant amounts of food-derived feedstock. Their operations not only aim to produce renewable energy but also focus on reducing emissions and promoting environmentally friendly practices. As of August 2023, Synthica has not reported any funding, indicating a self-sustaining approach to its growth and development in the anaerobic digestion sector.


22. Chomp

  • Website: chomp.energy
  • Ownership type: Private
  • Headquarters: Seattle, Washington, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2013
  • Headcount: 11-50
  • LinkedIn: chomp-energy

Chomp, based in Seattle, Washington, is a private renewable energy company founded in 2013. The firm specializes in anaerobic digestion technology, transforming food waste into renewable energy and nutrient-rich biofertilizers. Chomp serves a variety of clients, including businesses and municipalities, by providing sustainable waste management solutions. Their operations are designed to minimize greenhouse gas emissions and foster circular economies through innovative waste processing systems. Notably, Chomp has developed miniaturized anaerobic digestion systems tailored for smaller communities and facilities, making this technology more accessible. The company emphasizes the environmental and financial benefits of anaerobic digestion, highlighting its role in energy generation and waste reduction. Chomp's focus on local, circular economies around food, soil health, and renewable energy underscores its commitment to sustainability in the food supply chain.


23. Maas Energy Works

  • Website: maasenergy.com
  • Ownership type: Private Equity
  • Headquarters: Redding, California, United States (USA)
  • Employee distribution: United States (USA) 98%, United Kingdom (UK) 2%
  • Latest funding: November 2022
  • Founded year: 2010
  • Headcount: 51-200
  • LinkedIn: maas-energy-works-inc

Maas Energy Works, founded in 2010 and based in Redding, California, is a private equity-backed renewable energy company that specializes in anaerobic digestion technology. The firm focuses on developing and operating digesters for dairy and swine farms, providing a full suite of services that includes design, construction management, and operational support. Since its inception, Maas Energy Works has completed over 60 projects, processing manure from nearly 70 farms. The company has built a reputation for its expertise in the dairy digester sector, coordinating project teams and managing all aspects of digester development. Their operational capabilities extend to monetizing biogas and its environmental attributes, which is crucial for their agricultural clients seeking sustainable energy solutions. With a dedicated team of professionals, Maas Energy Works continues to expand its impact in the renewable energy sector, particularly in the anaerobic digestion space.


24. Botres Global GmbH

  • Website: botres.com
  • Ownership type: Private
  • Headquarters: Raaba-Grambach, Styria, Austria
  • Employee distribution: Austria 86%, Spain 14%
  • Latest funding: March 2024
  • Founded year: 2012
  • Headcount: 11-50
  • LinkedIn: botres-global

Botres Global GmbH, founded in 2012 and based in Raaba-Grambach, Austria, is a biotechnology firm that specializes in bioenergy and biorefinery solutions. The company designs, builds, and operates biogas plants and residue biorefineries, focusing on the conversion of organic waste into valuable products such as biogas, clean water, and high-quality fertilizers. With a team that boasts over 20 years of experience in the biogas and biorefinery sector, Botres has successfully completed projects that treat more than one million tonnes of organic waste annually, generating up to 350 GWh of electricity. Their technology allows for the complete utilization of digestate, ensuring that all by-products are effectively managed. Botres serves a range of clients, including waste management companies and agricultural operations, providing them with sustainable waste processing and energy production solutions. The company operates primarily in Austria and Spain, reflecting its regional focus and expertise in the European market.


25. Convertus Group

  • Website: convertusgroup.com
  • Ownership type: Venture Capital
  • Headquarters: London, Ontario, Canada
  • Employee distribution: Canada 92%, United States (USA) 4%, United Kingdom (UK) 4%
  • Latest funding: September 2019
  • Founded year: 2019
  • Headcount: 51-200
  • LinkedIn: convertus-canada

Convertus Group, based in London, Ontario, Canada, is a waste management company founded in 2019. The firm specializes in organic waste treatment and recycling, offering services that include composting, anaerobic digestion, and biogas production. Convertus partners with municipalities and businesses to design, build, and operate state-of-the-art organic waste treatment facilities. Their operations focus on converting waste into valuable resources, such as renewable energy and high-grade compost, while minimizing environmental impact. Since its inception, Convertus has processed over 580,000 tonnes of organic waste annually across North America, showcasing their significant role in the industry. The company emphasizes education and community engagement, providing insights into the importance of sustainable waste management practices.


26. DMT Environmental Technology

  • Website: dmt-et.com
  • Ownership type: Corporate
  • Headquarters: Joure, Friesland, Netherlands
  • Employee distribution: Netherlands 96%, United States (USA) 2%, India 2%
  • Latest funding: May 2021
  • Founded year: 1987
  • Headcount: 51-200
  • LinkedIn: dmt-environmental-technology

DMT Environmental Technology, founded in 1987 and based in Joure, Friesland, Netherlands, is an environmental technology firm that focuses on renewable gas solutions. The company specializes in biogas upgrading and gas desulphurization, providing innovative technologies that transform waste into high-value biomethane. DMT's commitment to sustainability is evident in its operations, which span across various industries, including agriculture and wastewater treatment. With a global presence and over 195 operational sites, DMT offers tailored solutions and 24/7 service support to its clients. Their flagship technology, the Carborex®MS, is recognized for its efficiency in upgrading biogas to pure methane, which can be utilized as a renewable energy source. DMT has accumulated extensive experience in the biogas sector, making it a significant contributor to the advancement of renewable energy solutions.


27. Eco Verde Energy (EVE)

  • Website: ecoverde.energy
  • Ownership type: Private
  • Headquarters: Ely, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 87%, Brazil 13%
  • Founded year: 2020
  • Headcount: 51-200
  • LinkedIn: eco-verde-energy-eve

Eco Verde Energy (EVE) is a private consulting firm based in Ely, England, established in 2020. The company specializes in renewable energy solutions, with a strong emphasis on anaerobic digestion. EVE provides a range of services including operational management, consultancy, and advisory support tailored to the agricultural and waste sectors. They currently manage nine anaerobic digestion plants in the UK, which collectively produce substantial amounts of renewable energy, supplying heat and power to over 38,600 homes. EVE is committed to enhancing operational efficiency and environmental sustainability, helping clients optimize their energy production and waste management practices. The company has also been recognized in the industry, having been shortlisted for multiple awards at the AD and Biogas Industry Awards 2024, highlighting their growing influence and commitment to excellence in the anaerobic digestion sector.



Anaerobic Digestion Insights: Key Companies


CompanyHeadquarterSizeFoundedOwnership
Bioenergy DevcoAnnapolis, Maryland, United States (USA)51-2002016Private Equity
BTS BiogasAffi, Italy51-2001996Corporate
Biogen (UK) LtdBedford, England, United Kingdom (UK)51-2002005Private Equity
quasar energy groupCleveland, Ohio, United States (USA)51-2002006Private
Future BiogasGuildford, England, United Kingdom (UK)51-2002010Private
RegenisUnited States (USA)11-502002Private
GENecoBristol, England, United Kingdom (UK)51-2002008Private
AgrivertStokenchurch, England, United Kingdom (UK)51-2001994Private Equity
BIOFermMadison, Wisconsin, United States (USA)11-502007Private
NLC EnergyDenmark, Wisconsin, United States (USA)11-502020Private
Stream BioEnergyIreland11-502009Private
Agraferm GmbHPfaffenhofen An Der Ilm, Bavaria, Germany11-502004Private
NobleExchange Environment Solutions Pvt. Ltd.Pune, Maharashtra, India1-102011Private
DrancoGhent, Flanders, Belgium11-501988Private
Weltec BiopowerVechta, Lower Saxony, Germany51-2002001Private Equity
Ixora Energy Limited (soon to be ENGIE UK)United States (USA)11-502010Corporate
XergiDenmark51-2001985Corporate
The Waste TransformersVelsen-Noord, North Holland, Netherlands11-502014Private
Sevana Bioenergy LLCBoise, Idaho, United States (USA)11-502017Corporate
Andion CH4 RenewablesMilan, Lombardy, Italy11-502017Venture Capital
Synthica EnergyCincinnati, Ohio, United States (USA)11-502017Private Equity
ChompSeattle, Washington, United States (USA)11-502013Private
Maas Energy WorksRedding, California, United States (USA)51-2002010Private Equity
Botres Global GmbHRaaba-Grambach, Styria, Austria11-502012Private
Convertus GroupLondon, Ontario, Canada51-2002019Venture Capital
DMT Environmental TechnologyJoure, Friesland, Netherlands51-2001987Corporate
Eco Verde Energy (EVE)Ely, England, United Kingdom (UK)51-2002020Private


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