Top 7 Agricultural Waste Recycling startups

Updated: Dec 07, 2025
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These startups develop new agricultural waste recycling technologies such as anaerobic digestion for biogas production, precision composting systems, nutrient recovery from wastewater, crop residue biochar production, on-farm anaerobic fermentation, etc
1
Ostara
Country: Canada | Funding: $146.7M
Ostara’s proprietary Pearl technology recovers nutrients from industrial, agricultural, and municipal water treatment streams, transforming them into granular fertilizers that improve crop yields and reduce runoff. We are transforming the commodity market value chain and closing the loop on phosphorus for future generations.
2
Anaergia
Country: Canada | Funding: $126.8M
Anaergia offers comprehensive, integrated solutions for municipal solid waste management, resource recovery in the wastewater sector and waste management for large agricultural and food processing enterprises. The company develops world-leading solutions for anaerobic digestion, pyrolysis, organic matter recovery and biogas upgrading. Anaergia's anaerobic digestion technology has been implemented at over 1,000 facilities in more than 17 countries. The company provides customers with equipment or designs, finances, builds and operates complete biorefineries. The company's goal is to become the world's leading producer of renewable fuels while simultaneously reducing global carbon emissions.
3
Bon Vivant
Country: France | Funding: €20.5M
A French biotechnology company that uses precision fermentation to produce real dairy products, accessible to everyone.
4
IX Power Clean Water
Country: USA | Funding: $275K
IX Power Clean Water is an innovative provider of cleantech solutions designed to treat and clean industrial wastewater so that freshwater resources can be preserved for families, crops, and communities.
5
Glanris
Country: USA | Funding: $7.4M
Glanris makes a sustainable, low cost hybrid filtration media that removes organics as well as metals from water. Its Biocarbon is made from the largest agricultural waste, rice husks, allowing for global expansion of our carbon-negative technology to reduce greenhouse gasses and sequester carbon at gigaton scale.
6
Bion
Country: USA | Funding: $1.6M
Bion’s patented technology provides comprehensive livestock waste treatment and resource recovery. It integrates several systems and processes into one unified waste collection, treatment and recycling system.
7
Elentec
Country: UK
Elentec has developed a robust range of water treatment systems and equipment based on its electrocoagulation technology, ElentecEC (patent pending), which will offer water treatment using sustainable energy with reduced waste.
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Marjana Bačić
Editor: Marjana Bačić
Marjana Bačić is a senior editor for RecyclingStartups. She has has more than 5 years experience covering the recycling industry. Marjana graduated from University of Belgrade, where she edited Recycling and Sustainable Development Journal. She has helped several non-profit organizations dedicated to promoting environmental education and sustainability. She also participates in beach clean-up initiatives and advocates for sustainable practices in local businesses. In her free time, Marjana enjoys hiking in the scenic Montenegrin countryside, practicing yoga for mindfulness, and experimenting with plant-based recipes in her kitchen. You can contact Marjana at marjanabacic(at)recyclingstartups(dot)com