Top Sustainability Startups in Denmark (2025 Update)
Explore the best Sustainability companies in Denmark. Discover high-growth startups and investment opportunities in our 2025 updated list.
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Explore Top Sustainability Startups in Denmark featuring 49 Companies
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Nordic Harvest | - | Sustainable food production | Nordic Harvest is a Vertical Farm and grow crops indoors, where the grow area is... | - |
Denmark
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- | Denmark (HQ) | 2016 | Agriculture, Food and Beverage +1 | [email protected] |
1
Low
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31
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1.9K (19%) | 5 years ago | Seed | 1 | 62.0M | 7008 | 9 months ago | |
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ALGIECEL | - | BioSolutions for Decarbonization - Utilizing CO2 to produce the low-carbon ingre... |
“Visit our Website to learn more: https://www.algiecel.com/ BIOSOLUTIONS FOR D... |
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Denmark
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- | Denmark (HQ) + 1 | 2021 | Biotechnology, Renewable Energy +1 | [email protected] |
1
Low
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23
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964 (-26%) | 7 months ago | Series Unknown | 11 | 89.5M | 4656 | 5 months ago | |
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Unibio | - | Planet-friendly protein for a growing world | At Unibio, we are reimagining the future of protein production, scaling cutting-... | - |
Denmark
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- | Denmark (HQ) + 1 | 2001 | Biotechnology, Sustainability | [email protected] |
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130
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565 (-41%) | 2 years ago | Corporate Round | 4 | 60.0M | 5524 | 5 months ago | |
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Worthmore | - | Disrupting telecom for the good of people and the planet! | We are changing your choice of mobile phone subscription into something more tha... | - |
Denmark
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- | Denmark (HQ) + 1 | 2020 | Sustainability, Telecom | [email protected] |
1
Low
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11
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439 (-100%) | 2 years ago | Pre Seed | 3 | 302.1K | 738 | 1 year ago | |
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REDUCED | - | Reduced is an innovative food production company. We specialise in creating food... | Reduced is an innovative food production company. We specialise in creating high... | - |
Denmark
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- | Denmark (HQ) | 2020 | Food and Beverage, Sustainability +1 | - |
1
Low
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47
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1.1K (-15%) | 9 months ago | Series A | 4 | 17.3M | 4625 | 3 months ago | |
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Klimate.co | - | On a mission to scale the carbon removal industry by connecting projects and buy... | We are in business to reverse climate change by removing as much CO2 from the at... | - |
Denmark
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- | Denmark (HQ) | 2020 | Finance, Sustainability | [email protected] |
1
Low
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32
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7.6K (-3%) | 1 year ago | Seed | 3 | 4.7M | 10173 | 3 months ago | |
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Everfuel | - | Yesterday's wind - Today's fuel 🌍 | Everfuel is the new fueling hydrogen fuel company in Europe. Dedicated to commer... | - |
Denmark
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- | Denmark (HQ) | 2019 | Energy, Renewable Energy +2 | [email protected] |
1
Low
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65
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1.3K | 5 months ago | Grant | 6 | 76.7M | 16318 | 4 months ago | |
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The 0-Mission | - | Cool Down the Planet | Abonnement på solparker - for virksomheder, der vil gøre en rigtig forskel for k... | - |
Denmark
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- | Denmark (HQ) | 2022 | Energy, Marketplaces +2 | [email protected] |
1
Low
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7
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1.9K | 8 months ago | Pre Seed | 2 | 275.5K | 854 | 5 months ago | |
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Ocean Rainforest | - | We cultivate seaweed while improving people’s wellbeing and making a unique cont... | Ocean Rainforest Sp/F (ORF) is a limited company located in the Faroe Islands pr... | - |
Denmark
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- | Denmark (HQ) | 2007 | Food and Beverage, Sustainability | - |
1
Low
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26
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1.4K (17%) | 1 year ago | Series A | 3 | 12.2M | 7486 | 5 months ago | |
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YourLocal | - | Hvert måltid tæller! Hjælp os med at redde måltider i dit lokalmiljø 🌱🌍 | YourLocal offers high quality surplus food from local retailers at 50-70% off.... | - |
Denmark
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- | Denmark (HQ) + 1 | 2015 | Food and Beverage, Sustainability | - |
1
Low
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11
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2.0K (67%) | 5 years ago | Convertible Note | 3 | 480.0K | 538 | 1 ei1 JCg | |
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THE UPCYCL | - | The material exchange platform(B2B), where members can trade New Waste materials... | THE UPCYCL matcher industriens affald og restmaterialer med designere og udvikle... | - |
Denmark
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- | Denmark (HQ) + 1 | 2020 | B2B, Sustainability +1 | [email protected] |
1
Low
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14
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579 | 2 years ago | Pre Seed | 1 | 83.9K | 6466 | 5 months ago | |
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Gaia | Not active anymore | Gaia is the easiest way to invest your savings in a sustainable future 🌱 | We are on a mission to create a new financial system that aligns people, planet,... | - |
Denmark
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- | Denmark (HQ) | 2020 | Financial Services, Mobile +1 | [email protected] |
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3
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71 | 3 years ago | Pre Seed | 1 | 120.0K | 1141 | 5 D1O DNS | |
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Sustainly | - | The #1 tool for LCA specialists |
We're bringing automation, AI and user friendliness to LCAs. Reach out if you... |
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Denmark
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- | Denmark (HQ) | 2023 | AI, Data Analytics +1 | - |
1
Low
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3
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61 (20%) | 1 year ago | Pre Seed | 1 | 150.0K | 787 | 6 months ago | |
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UpFood | - | Building supply chain of raw upcycled ingredients | UpFood's aim is to develop supply chain of raw upcycled ingredients that are hig... | - |
Denmark
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- | Denmark (HQ) | 2018 | Food and Beverage, Sustainability | - |
1
Low
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4
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268 | 4 years ago | Pre Seed | 1 | 80.0K | 636 | 7 0un fXr | |
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NitroVolt | - | Electrifying and decentralizing ammonia production | NitroVolt, is developing a small-scale ammonia synthesis unit, to give farmers c... | - |
Denmark
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- | Denmark (HQ) | 2023 | Agriculture, Renewable Energy +4 | [email protected] |
1
Low
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15
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544 | 6 months ago | Seed | 3 | 8.5M | 2939 | 5 months ago | |
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Insutex | - | Our team is dedicated to building a sustainable future with the help of traceabl... | We are a dynamic and forward-thinking startup passionately committed to advancin... | - |
Denmark
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- | Denmark (HQ) | 2023 | Manufacturing, Sustainability +1 | - |
1
Low
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6
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545 (-100%) | 1 year ago | Pre Seed | 1 | 150.0K | 883 | 7 months ago | |
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M A R D A | - | Modern sustainable swimwear made from recycled plastic bottles. | MARDA is a modern men’s swimwear brand obsessed with creating a better world by... | - |
Denmark
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- | Denmark (HQ) | 2020 | Fashion, Manufacturing +1 | [email protected] |
1
Low
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1
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1.3K (-19%) | 4 years ago | Seed | 1 | Unknown | 54632 | 3 d9h OGh | |
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Tomorrow | Not active anymore | Tomorrow builds tech products to empower organisations and people to understand... | Tomorrow is a tech company leveraging the power of data and machine learning to... | - |
Denmark
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- | Denmark (HQ) | 2016 | AI, Sustainability | [email protected] |
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N/A
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1
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541 | 4 years ago | Pre Seed | 1 | Unknown | 32789 | 10 PJG SDX | |
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Contribe | - | Boost your business while making the world a better place. | At Contribe we’re on a mission to revolutionize the shopping experience by givin... | - |
Denmark
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- | Denmark (HQ) | 2023 | SaaS, Sustainability | [email protected] |
1
Low
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8
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1.4K | 2 years ago | Pre Seed | 1 | Unknown | 818 | 9 months ago | |
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Continuum Composite Recyc... | - | We turn composite waste into recyclable products for buildings using a 100% mech... | We turn End-of-Life wind turbine blades, aviation and manufacturing composite wa... | - |
Denmark
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- | Denmark (HQ) | 2021 | Industrial, Sustainability +1 | - |
1
Low
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14
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644 | 2 years ago | Seed | 1 | Unknown | 1178 | 1 year ago | |
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Hey Planet | - | Our vision is to create a more sustainable food culture through delicious & sust... |
We create delicious products using nutritious and sustainable protein. If we ke... |
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Denmark
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- | Denmark (HQ) + 1 | 2017 | Agriculture, Food and Beverage +1 | [email protected] |
1
Low
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2
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105 (-100%) | 5 years ago | Pre Seed | 1 | Unknown | 1625 | 10 months ago | |
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Shark Solutions | - | The world leader in advanced recycled PVB products | Shark Solutions is a Danish based cleantech market leader in the recycling of po... | - |
Denmark
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- | Denmark (HQ) + 3 | 2005 | Sustainability, Waste Solution | [email protected] |
1
Low
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53
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527 (-56%) | 5 years ago | Series Unknown | 2 | Unknown | 2859 | 8 months ago | |
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Humanitrack | - | Volunteering driven science and tech knowledge hubs tackling global challenges a... |
Volunteering platform to track impactful tech and empower those driving it. We... |
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Denmark
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- | Denmark (HQ) + 1 | 2018 | Education, Information Technology +1 | [email protected] |
1
Low
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2
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195 (-100%) | - | - | - | - | 1000 | 5 rD7 gxe | |
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BlueBenu | - | We are developing a technology that allows the transformation of plastic polluti... | BlueBenu is a danish startup company developing a technology that allows the rec... | - |
Denmark
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- | Denmark (HQ) | 2018 | Energy, Sustainability +2 | [email protected] |
1
Low
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2
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281 | - | - | - | - | 5 | 6 h7M isN | |
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CO2HERO | - | A one-stop platform to drive carbon-friendly actions. | CO2HERO is the world-leading app for taking climate action and a recognized indu... | - |
Denmark
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- | Denmark (HQ) | 2019 | ESG, Sustainability | [email protected] |
1
Low
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1
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110 (-58%) | - | - | - | - | 2181 | 1 year ago | |
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Niirly | - | Want to see a location in real time before you visit? With niirly, you can requ... |
Want to see a location in real time before you visit? With niirly, you can requ... |
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Denmark
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- | Denmark (HQ) | 2023 | Finance, Lending and Investments +1 | [email protected] |
1
Low
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2
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90 | - | - | - | - | 14073 | 5 ba1 1ou | |
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Our Only Home | - | A Guide on How to Save Our Planet | Earth is our only home and we are not taking good enough care of it nor its inha... | - |
Denmark
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- | Denmark (HQ) | 2020 | Sustainability | [email protected] |
1
Low
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4
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8.9K (141%) | - | - | - | - | 54555 | 9 LUn Blb | |
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Mewalii | - | Sammen gør vi verden grønnere ét bind ad gangen | Hos Mewalii har vi udviklet verdens første engangsbind i hamp uden bomuld. Mewal... | - |
Denmark
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- | Denmark (HQ) | 2019 | Sustainability | - |
1
Low
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2
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9.0K | - | - | - | - | 886 | 7 months ago | |
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Magenta - Open source it | - | Magenta er Skandinaviens største open source it-leverandør. Vi optimerer din bus... | Magenta arbejder udelukkende med open source og har som kerneydelse at skabe åbn... | - |
Denmark
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- | Denmark (HQ) + 2 | 1999 | Information Technology, Sustainability | - |
1
Low
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45
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1.9K (27%) | - | - | - | - | 982 | 5 months ago | |
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Sustainia | - | We Simplify Sustainability - Since 2009 | We simplify sustainability. We are researchers, case writers, and communicators... | - |
Denmark
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- | Denmark (HQ) | 2009 | Sustainability, Publishing | [email protected] |
1
Low
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12
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36.0K (-67%) | - | - | - | - | 17453 | 5 months ago | |
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Nordic Waves Group | - | Crafting Innovation & Circular Economy | Nordic Waves Group is dedicated to accelerating decarbonization and the transiti... | - |
Denmark
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- | Denmark (HQ) | 2018 | Blockchain, ESG +2 | [email protected] |
1
Low
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14
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27975 | - | - | - | - | 1445 | 5 months ago | |
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Fors A/S | - | Vores natur. Vores ansvar. | Det er op til dig, os og hver og én at sikre, at naturen forbliver grøn, luften... | - |
Denmark
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- | Denmark (HQ) + 1 | 2016 | Privacy and Security, Sustainability +2 | [email protected] |
1
Low
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196
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47.6K | - | - | - | - | 3838 | 3 months ago | |
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Sustainify | - | A tool to do sustainable & responsible investments - we provide sustainability d... | At Sustainify we rate listed companies on their Corporate Social Responsibility... | - |
Denmark
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- | Denmark (HQ) | 2018 | Finance, Sustainability | [email protected] |
1
Low
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3
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955 | - | - | - | - | 863 | 5 months ago | |
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Nordic Sustainability | - | We accelerate business transformation. | Nordic Sustainability is a strategy consultancy on a mission to help companies s... | - |
Denmark
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- | Denmark (HQ) | 2017 | Sustainability | [email protected] |
1
Low
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51
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4.4K | - | - | - | - | 19179 | 3 months ago | |
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Meldgaard Recycling | - | The Ash Processing Experts | After 20 years processing and recycling Incinerator Bottom Ash (IBA), we have de... | - |
Denmark
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- | Denmark (HQ) + 2 | 1970 | Industrial, Sustainability +1 | [email protected] |
1
Low
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18
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23 | - | - | - | - | 691 | 1 year ago | |
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Frøslev Træ | - | - |
Træ gennem tiden Frøslev Træ A/S, som virksomheden hedder i dag - blev startet... |
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Denmark
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- | Denmark (HQ) + 2 | 1931 | Manufacturing, Sustainability | [email protected] |
1
Low
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80
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6.2K (-47%) | - | - | - | - | 4253 | 5 months ago | |
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Beirholm | - | We innovate trendy and sustainable textiles with the greatest durability and lau... | Beirholm competes in the global flat linen market. We develop, design, source an... | - |
Denmark
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- | Denmark (HQ) | 1870 | Sustainability | [email protected] |
1
Low
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72
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373 | - | - | - | - | 2993 | 5 months ago | |
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Copenhagen Economics | - | Hard Facts. Clear Stories. | Copenhagen Economics is one of the leading economics firms in Europe. Founded in... | - |
Denmark
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- | Denmark (HQ) + 3 | 2000 | Financial Services, Sustainability +1 | [email protected] |
1
Low
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108
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92021 | - | - | - | - | 12900 | 4 months ago | |
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KnowledgeCotton Apparel | - | PEOPLE. PLANET. FUTURE. | Motivated by our 1969 heritage, we make clothes that take a stand. Our mission i... | - |
Denmark
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- | Denmark (HQ) | 2008 | Consumer Goods, Fashion +2 | [email protected] |
1
Low
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27
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42.8K | - | - | - | - | 1653 | 5 months ago | |
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Baettr | - | Engineering the Foundation for Future Generations | We work every day to make wind energy the most widely available and preferred so... | - |
Denmark
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- | Denmark (HQ) + 6 | 2013 | Energy, Sustainability +1 | [email protected] |
1
Low
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267
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2.5K | - | - | - | - | 6578 | 5 months ago |