Waste & Pollution — Ocean Startups
569 ocean startups and private companies working on waste & pollution across 59 countries.
Where are waste & pollution startups based?
Waste & Pollution Startups
Greenskill Environmental Technology Ltd
Scotland · Seaweeds/Algae, Biosolutions, Waste/Pollution, Carbon/Climate, Data/Tech
Greenskill Environmental Technology Ltd develops microalgae-based photobioreactor technologies for carbon capture, wastewater treatment, and the conversion of emissions and wastewater into valuable products. The company combines biological process engineering, renewable energy integration, and cloud-based control systems to deliver carbon-negative industrial solutions.
Cargill
USA · Aquaculture/Fisheries, Waste/Pollution, Energy/Maritime, Carbon/Climate, Data/Tech, Education/Policy, Generalist
Cargill is a global food and agriculture company that supplies food, ingredients, agricultural solutions and industrial products. It works across global supply chains with farmers, food producers and customers, and advances sustainability, climate, water and community initiatives.
EcoSpears
· Waste/Pollution, Data/Tech
ecoSPEARS is a cleantech company developing technologies to eliminate PFAS, PCBs, dioxins, and other persistent toxins from contaminated soil, sediment, and water. Its remediation systems are designed for on-site, lower-emission cleanup of polluted land and waterways.
Bromalgae S.L.
Spain · Seaweeds/Algae, Biosolutions, Waste/Pollution, Carbon/Climate, Energy/Maritime
Bromalgae S.L. is a biotechnology company that develops microalgae-based solutions for pollutant gas reduction and industrial microalgae production. It designs photobioreactors, provides scale-up services, and develops environmental applications such as air purification, CO2 capture, and biomass valorization.
Big Kelp Ltd.
United Kingdom · Seaweeds/Algae, Carbon/Climate, Waste/Pollution, Biosolutions, Aquaculture/Fisheries
Big Kelp Ltd. develops kelp-based solutions to address climate change, ocean health, plastic waste, pollution, and livestock methane emissions. It focuses on large-scale kelp cultivation and kelp-derived raw materials and supplements.
Water Wiser
France · Waste/Pollution, Data/Tech, Education/Policy
Water Wiser is a water strategy and risk intelligence company that helps organizations assess, quantify, and manage water-related risks across their value chains. It combines strategic advisory services, training, and a proprietary data platform focused on water scarcity, pollution, regulation, and resilience.
Ferdocean Shipping AS
Norway · Waste/Pollution, Energy/Maritime, Carbon/Climate
Ferdocean Shipping AS is a Norwegian offshore waste management company that treats oil-contaminated drill cuttings, sludge and wastewater onboard vessels. It develops integrated marine logistics and vessel-based treatment solutions to reduce emissions, environmental footprint, and handling risks in offshore operations.
Returnity
USA · Waste/Pollution
Returnity is a reusable packaging company that develops circular logistics solutions for retailers, 3PLs, and shippers. Its flagship product, The Last Box, replaces single-use corrugated boxes with durable reusable shipping containers designed for closed-loop logistics.