The Ocean Toolbox

Waste & Pollution - Ocean Startups

564 ocean startups and private companies working on waste & pollution across 63 countries.

564
Organizations
63
Countries

Where are waste & pollution startups based?

USA (120)France (63)Netherlands (31)United Kingdom (28)Germany (25)Indonesia (25)Canada (25)Spain (22)India (22)Singapore (19)

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

USA · Waste/Pollution

ecoSPEARS develops NASA-invented green chemistry technologies to eliminate persistent toxins and forever chemicals (PFAS, PCBs, dioxins) from contaminated soil, sediment, and water.

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.

Waterhaul

United Kingdom · Waste/Pollution

Cornish social enterprise recovering ghost fishing gear from UK coastlines and recycling ocean plastic into sustainable sunglasses and consumer products.

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.

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