Closed Loop Partners

Founded in 2014, Closed Loop Partners is a New York-based investment firm focused on driving sustainable profitability through early-stage investments. It operates across three key businesses: an investment group (Closed Loop Capital Management), an innovation center (Center for the Circular Economy), and an operating group (Closed Loop Builders). The firm aims to scale businesses that advance the transition to a circular economy, generating net-positive environmental and social outcomes.

Martin Aares

Managing Director

Lynn Bernabei

Senior Associate

Bridget Croke

Managing Director

Michael Gajewski

Managing Director

Ron Gonen

Investor

Past deals in GreenTech

MOLG

Seed Round in 2024
MOLG specializes in developing digital tools and automation solutions for businesses in the manufacturing sector. The company employs artificial intelligence and robotics to create autonomous micro-factories, promoting a circular economy by enhancing product sustainability and cost-effectiveness.

Neutreeno

Seed Round in 2024
Neutreeno is a deep tech spinout from the University of Cambridge that specializes in developing an intelligent decarbonization system aimed at helping businesses achieve net zero emissions. The company's system is scientifically designed to prevent emissions at their source while providing clarity and transparency throughout the complex value chain. Neutreeno's technology offers efficiency insights that empower clients to analyze resource efficiency, minimize waste, and enhance circularity, ultimately guiding them towards achieving absolute zero emissions.

Eureka Recycling

Debt Financing in 2024
Eureka Recycling is an organization that offers products and services that concentrate on reducing waste through reuse, recycling, and composting. Its goal is to show that waste is avoidable, not inevitable. The group provides answers to the social, environmental, and health issues brought on by garbage through its services, projects, and policy work. It includes a number of programs that include waste reduction, producer responsibility, reuse, recycling, and composting to stop the wasteful loss of economic garbage.

Mycocycle

Seed Round in 2024
Mycocycle is an environmental remediation company that specializes in decarbonizing waste streams through the innovative use of fungi in a process known as mycoremediation. By employing engineered ecosystems, Mycocycle treats waste materials to produce a non-toxic biomass that can be repurposed for the manufacture of new products. The company's services are particularly beneficial to waste management companies, landfill operators, material recycling facilities, and manufacturers seeking to implement closed-loop processes. Mycocycle's technology diverts toxic materials from landfills and enables businesses to reuse feedstock in manufacturing or recycle it for various applications, thereby promoting sustainable waste management practices.

Found Energy

Seed Round in 2024
Found Energy develops aluminum-based fuel that converts aluminum scrap and waste into a carbon-free energy carrier. It recovers aluminum waste from landfills and, through a carbon-free process, produces hydrogen on demand at under $0.50 per kilogram, with hydrogen having five times the volumetric energy density of liquid hydrogen. The aluminum fuel is designed to supply carbon-free thermal power to heavy industries, offering competitiveness with fossil fuels in price and energy density and enabling a faster transition to renewable energy.

Solarcycle

Series A in 2023
Solarcycle is a solar technology company focused on creating a circular economy for solar and renewable energy sectors. It specializes in recycling and reusing decommissioned solar panels and technologies, providing an affordable and eco-friendly service to solar asset owners. Utilizing its patented technology, Solarcycle can recover up to 95% of valuable metals such as silver, silicon, copper, and aluminum from solar panels. Additionally, the company repurposes or recycles panels that are still in use, contributing to the sustainability of clean energy by making it completely renewable.

Greyparrot

Venture Round in 2023
Greyparrot applies artificial intelligence to enhance global recycling efficiency. Its platform, Greyparrot Analyzer and Sync API, provides real-time insights on waste composition across multiple locations, enabling stakeholders to increase recycling rates, optimize resource recovery, and reduce environmental impact.

Solarcycle

Seed Round in 2022
Solarcycle is a solar technology company focused on creating a circular economy for solar and renewable energy sectors. It specializes in recycling and reusing decommissioned solar panels and technologies, providing an affordable and eco-friendly service to solar asset owners. Utilizing its patented technology, Solarcycle can recover up to 95% of valuable metals such as silver, silicon, copper, and aluminum from solar panels. Additionally, the company repurposes or recycles panels that are still in use, contributing to the sustainability of clean energy by making it completely renewable.

Greyparrot

Series A in 2022
Greyparrot applies artificial intelligence to enhance global recycling efficiency. Its platform, Greyparrot Analyzer and Sync API, provides real-time insights on waste composition across multiple locations, enabling stakeholders to increase recycling rates, optimize resource recovery, and reduce environmental impact.

Mori

Series B in 2022
Mori, formerly known as Overlook Research, is a company that develops a natural biopolymer coating designed to extend the shelf life of perishable foods. Founded in 2016 and headquartered in Boston, Massachusetts, Mori's innovative coating is made from proteins extracted from natural silk using salt and water. This protective layer helps slow the spoiling process of various food items, including fruits, vegetables, meat, and seafood, thereby reducing food waste. By focusing on sustainable and economical solutions, Mori aims to transform the food supply and enhance the efficiency of the food, agriculture, and packaging industries.

Evergreen

Funding Round in 2021
Evergreen is a plastic recycling and polyester resin production company that operates as a division of Greenbridge. Established in 1998, Evergreen was created to ensure a sustainable and reliable supply of high-quality polyester resin, specifically for the company’s range of PET strapping products. The firm focuses on recycling plastics to contribute to environmental sustainability while meeting the demands of its customers in the polyester resin market.

Dimpora

Seed Round in 2021
Dimpora AG, based in Zürich, Switzerland, specializes in the design and manufacture of eco-friendly functional membranes for the outdoor textile industry. The company produces waterproof, fluorine-free membranes primarily made from polyurethane, utilizing a template removal approach to create porosity that enhances breathability. Dimpora's innovative technology allows for the direct application of membranes onto various surfaces, facilitating fast moisture transport while ensuring complete rain protection. Committed to sustainability, Dimpora aims to develop high-performance membranes that enable outdoor enthusiasts to enjoy nature responsibly, with a focus on creating next-generation solutions that may incorporate recyclable materials.

Algramo

Series A in 2021
Algramo is a Chilean company that sells everyday consumer products through dispensing machines in returnable packaging. Founded in 2013 and based in Santiago, it operates a bulk, refill-focused model that partners with manufacturers to supply detergents, rice, oil and other essentials for in-store dispensers, enabling customers to buy by the gram or in bulk at lower prices. The system uses smart, RFID-enabled packaging and a network of connected dispensers to cut packaging waste and reduce costs, addressing affordability in low-income communities while lowering environmental impact.

Mori

Series B in 2021
Mori, formerly known as Overlook Research, is a company that develops a natural biopolymer coating designed to extend the shelf life of perishable foods. Founded in 2016 and headquartered in Boston, Massachusetts, Mori's innovative coating is made from proteins extracted from natural silk using salt and water. This protective layer helps slow the spoiling process of various food items, including fruits, vegetables, meat, and seafood, thereby reducing food waste. By focusing on sustainable and economical solutions, Mori aims to transform the food supply and enhance the efficiency of the food, agriculture, and packaging industries.

AMP

Series B in 2021
AMP Robotics Corporation specializes in designing and manufacturing robotic systems for material recovery facilities and recycling operations, focusing on automating the identification, sorting, and processing of complex waste streams. The company's flagship product, AMP Cortex, utilizes advanced robotics and computer vision technology to efficiently pick and sort recyclable materials, significantly lowering sorting costs. Additionally, AMP Neuron, a software solution, captures and analyzes material data to identify features in a manner similar to human perception. By leveraging artificial intelligence and machine learning, AMP Robotics enhances recycling processes for various waste types, including municipal solid waste and e-waste. The modular design of its systems allows for easy integration into existing infrastructure, minimizing disruption and capital investment. Founded in 2014 and headquartered in Louisville, Colorado, AMP Robotics has formed strategic partnerships to further its mission of improving recycling rates and economic recovery of recyclables.

Thrive Lot

Seed Round in 2021
Thrive Lot designs, installs, and maintains sustainable outdoor spaces using agroecological landscaping and systems design. It creates habitats for pollinators, wildlife, and resilient soils by mimicking natural patterns and promoting self-sufficiency. The company offers end-to-end project oversight from initial concept through installation and ongoing maintenance, guided by master growers who apply ecological principles to craft durable landscapes that balance beauty with sustainability.

Mori

Series A in 2020
Mori, formerly known as Overlook Research, is a company that develops a natural biopolymer coating designed to extend the shelf life of perishable foods. Founded in 2016 and headquartered in Boston, Massachusetts, Mori's innovative coating is made from proteins extracted from natural silk using salt and water. This protective layer helps slow the spoiling process of various food items, including fruits, vegetables, meat, and seafood, thereby reducing food waste. By focusing on sustainable and economical solutions, Mori aims to transform the food supply and enhance the efficiency of the food, agriculture, and packaging industries.

Reterra

Venture Round in 2020
Reterra Corporation, headquartered in Houston, Texas, specializes in recycling polyethylene terephthalate (PET) waste materials such as bottles, films, and thermoforms. The company's core business involves transforming these waste products into valuable intermediary products like RetroSeed, a polyol used for resin production. By offering innovative recycling solutions, Reterra enables businesses to incorporate more recycled content into their supply chains while reducing the cost of PET recycling.

AMP

Series A in 2019
AMP Robotics Corporation specializes in designing and manufacturing robotic systems for material recovery facilities and recycling operations, focusing on automating the identification, sorting, and processing of complex waste streams. The company's flagship product, AMP Cortex, utilizes advanced robotics and computer vision technology to efficiently pick and sort recyclable materials, significantly lowering sorting costs. Additionally, AMP Neuron, a software solution, captures and analyzes material data to identify features in a manner similar to human perception. By leveraging artificial intelligence and machine learning, AMP Robotics enhances recycling processes for various waste types, including municipal solid waste and e-waste. The modular design of its systems allows for easy integration into existing infrastructure, minimizing disruption and capital investment. Founded in 2014 and headquartered in Louisville, Colorado, AMP Robotics has formed strategic partnerships to further its mission of improving recycling rates and economic recovery of recyclables.

Balcones Resources

Acquisition in 2019
Balcones Recycling is a waste management company focused on providing recycling and shredding services to municipalities, multi-tenant facilities, corporate campuses, manufacturing facilities, and distribution centers. The company specializes in resource recovery through traditional recycling methods, document destruction, and alternative energy solutions. Balcones Recycling offers a range of services, including the provision of carts, dumpsters, compactors, bales, shredding, and audit services. This enables clients to track their recycling efforts through monthly environmental reports while also helping them reduce costs associated with landfill hauling fees.

Evrnu

Series A in 2019
Evrnu is a textile innovations company that specializes in producing engineered fibers from discarded clothing. By employing advanced regenerative fiber technologies, the company transforms textile waste into high-quality fiber sources. Its process involves breaking down cotton garment waste to the molecular level and reconstructing it into new, useful products. Evrnu's offerings include regenerative cellulosic and polyester fibers, as well as recoverable stretch materials, which provide significant environmental benefits. Through these innovations, Evrnu aims to create a circular ecosystem in the textile industry, promoting sustainability and reducing waste.

Mori

Seed Round in 2019
Mori, formerly known as Overlook Research, is a company that develops a natural biopolymer coating designed to extend the shelf life of perishable foods. Founded in 2016 and headquartered in Boston, Massachusetts, Mori's innovative coating is made from proteins extracted from natural silk using salt and water. This protective layer helps slow the spoiling process of various food items, including fruits, vegetables, meat, and seafood, thereby reducing food waste. By focusing on sustainable and economical solutions, Mori aims to transform the food supply and enhance the efficiency of the food, agriculture, and packaging industries.

Algaeing

Venture Round in 2019
Algaeing is a manufacturer of algae-based dyes and inks for fabrics and textiles, focusing on sustainable production that uses significantly less water and energy than traditional methods and is free of hazardous toxins. Its environmentally friendly dyes enable textile manufacturers and brands to color fabrics while reducing environmental impact and appealing to eco-conscious consumers.

TemperPack Technologies

Venture Round in 2018
TemperPack Technologies designs and manufactures thermal packaging for insulated and temperature-sensitive goods, including shipping containers, one-piece boxes, two-piece liners, and temper sleeves for perishable foods, medicines, specimens, prepared meals, seafood, meats, and desserts. It serves e-commerce food companies in the United States, United Kingdom, and Canada. Founded in 2015 and based in Richmond, Virginia, it operates facilities in Richmond and Las Vegas. The company focuses on sustainable design and custom solutions for the perishable food and life sciences industries, and has developed a curbside recyclable insulated shipping solution using food-safe, recyclable materials designed to support large-scale supply chains while reducing single-use plastics.

Homebiogas

Corporate Round in 2018
Homebiogas Ltd is an Israeli company established in 2012, specializing in the development and manufacture of compact anaerobic digestion systems for residential use. The company’s innovative technology transforms household food scraps and animal manure into clean cooking gas and liquid fertilizer, addressing both waste management and energy needs in an environmentally friendly manner. Homebiogas markets its products through a network of distributors, ensuring accessibility to its advanced and cost-effective solutions. By maintaining high safety and health standards, Homebiogas aims to promote sustainable living and reduce reliance on traditional energy sources.

GreenMantra Technologies

Series D in 2017
GreenMantra Technologies Ltd. is a Canadian company based in Brantford that specializes in the manufacturing and marketing of synthetic waxes, polymer additives, and other chemicals derived from recycled plastics. Founded in 2010, the company utilizes a proprietary thermo-catalytic system that employs catalytic depolymerization technology to convert waste plastics, including challenging materials like grocery bags and films, into high-value waxes and specialty chemicals. These products find diverse applications across various industries, including coatings, plastic processing, adhesives, roofing, and paving. By focusing on the up-cycling of hard-to-recycle plastics, GreenMantra aims to contribute to sustainable manufacturing practices and promote the use of recyclable materials in industrial processes.

IntegriCo Composites

Venture Round in 2017
IntegriCo Composites is a manufacturer of composite products made from 100% recycled plastics for transportation, construction, government, and energy applications in North America. The company produces composite railroad ties and crossties, grade crossings, and related infrastructure products for rail and other heavy-duty uses, designed to withstand high loading conditions and challenging environments. It uses patented manufacturing technology that blends landfill-bound plastics into durable composites and has diverted more than 80 million pounds of plastic from landfills to infrastructure products. Founded in 2004 and based in Sarepta, Louisiana, the company serves a diverse customer base including rail operators, the U.S. military and defense facilities, energy services providers, and international markets in Germany and Russia. The products offer high consistency and structural integrity compared with traditional materials.

Natural Machines

Venture Round in 2017
Natural Machines specializes in innovative 3D printing solutions for personalized products across industries such as food, personal care, and pharmaceuticals. Their flagship product, Foodini, is a 3D food printer using real food ingredients. The company aims to promote sustainable lifestyles by reducing waste and contributing to responsible consumption and production, aligning with UN Sustainable Development Goal 12.

Drought Diet Prouducts

Non Equity Assistance in 2017
Drought Diet Products is a manufacturer focused on creating innovative solutions for sustainable agriculture. The company has developed a climate-resilient tool designed to efficiently apply water to crops while minimizing waste from evaporation and deep percolation. This tool features sub-irrigation zone pipes that utilize greywater and rainwater catchment systems. Additionally, Drought Diet Products incorporates post-consumer film plastic feedstock in its irrigation piping, addressing both water conservation needs and the challenges associated with film plastic recycling. Through these efforts, the company aims to support farmers in enhancing water efficiency and promoting environmental sustainability.

AeroAggregates

Seed Round in 2017
AeroAggregates, LLC is a manufacturer of ultra-lightweight aggregates made from postconsumer recycled glass. The company specializes in foamed glass aggregates, offering both open and closed cell varieties. These products are utilized in a wide range of applications, including lightweight embankments, bridge abutments, retaining walls, and insulating backfill for buildings and utilities. AeroAggregates' aggregates also serve in green roofs, artificial sports fields, and various stormwater and wastewater management systems. Founded in 2015 and headquartered in Eddystone, Pennsylvania, the company emphasizes sustainable construction solutions that meet the growing demand for lightweight materials in the construction and geotechnical engineering sectors.

Eureka Recycling

Funding Round in 2016
Eureka Recycling is an organization that offers products and services that concentrate on reducing waste through reuse, recycling, and composting. Its goal is to show that waste is avoidable, not inevitable. The group provides answers to the social, environmental, and health issues brought on by garbage through its services, projects, and policy work. It includes a number of programs that include waste reduction, producer responsibility, reuse, recycling, and composting to stop the wasteful loss of economic garbage.

Evergreen

Venture Round in 2016
Evergreen is a plastic recycling and polyester resin production company that operates as a division of Greenbridge. Established in 1998, Evergreen was created to ensure a sustainable and reliable supply of high-quality polyester resin, specifically for the company’s range of PET strapping products. The firm focuses on recycling plastics to contribute to environmental sustainability while meeting the demands of its customers in the polyester resin market.

Lakeshore Recycling Systems

Venture Round in 2016
Lakeshore Recycling Systems is a company that focuses on providing recycling, waste removal, and dumpster rental services in the renewables & environment sector. Their primary goal is to help businesses and communities efficiently manage their waste by offering sustainable solutions. With a strong emphasis on recycling and environmentally-friendly practices, Lakeshore Recycling Systems aims to contribute to a cleaner and greener future by reducing the amount of waste that ends up in landfills. Their services cater to a wide range of clients, including commercial enterprises, residential neighborhoods, and industrial facilities, making them a versatile and reliable partner in waste management.

Atlas Organics

Seed Round in 2015
Atlas Organics Inc. is a company that specializes in organics recycling services, focusing on the collection and recycling of food and yard waste. Founded in 2013 and headquartered in Spartanburg, South Carolina, the company operates in various regions, including San Antonio, Texas, and has established partnerships with municipalities to promote sustainability. Atlas Organics serves a diverse clientele, including businesses, schools, hospitals, and restaurants, by converting collected organic waste into high-quality compost products for agricultural, landscaping, and home gardening applications. The company aims to advance the "table to farm" movement, helping its customers achieve their sustainability goals while diverting compostable waste from landfills. Through its composting facilities, Atlas Organics contributes essential nutrients to soil health and supports the growth of beneficial microorganisms.

Algramo

Seed Round in 2015
Algramo is a Chilean company that sells everyday consumer products through dispensing machines in returnable packaging. Founded in 2013 and based in Santiago, it operates a bulk, refill-focused model that partners with manufacturers to supply detergents, rice, oil and other essentials for in-store dispensers, enabling customers to buy by the gram or in bulk at lower prices. The system uses smart, RFID-enabled packaging and a network of connected dispensers to cut packaging waste and reduce costs, addressing affordability in low-income communities while lowering environmental impact.
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