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ReFlow - GreenTech for shipping

ReFlow is on a mission to support the decarbonization of the maritime industry. We are building a brand-new platform from scratch, designed to empower stakeholders with the tools and insights needed to drive sustainable change. We have a fun and social atmosphere, with an amazing location in the center of Copenhagen—right next door to the King and Queen! We’re a small, transparent team that shares insights into everything—from customers to numbers, the good and the bad. While we love working together in the office and prefer to have most of the team on-site, we're also quite flexible when it comes to remote work when needed. And did we mention the legendary post-lunch beer at the bar below? It's something you don’t want to miss! As a team, we win together, supporting each other every step of the way.

GoBoat

GoBoat is an experience company, which offers unique social experiences on the water to both locals and tourists, through sustainable boat rental. It was founded in Copenhagen in February 2014 by Anders, Carl and Kasper – three young entrepreneurs. Today the company operates boat rentals all over the world.

Copenhagen Fintech

Copenhagen Fintech is an association built on the vision to be one of the leading Fintech Hubs in the global financial services industry by supporting and catalyzing the next era of technology-led corporate and startup innovators. We combine the visionary ideas of fintech entrepreneurs, the experience of the established financial sector, the desire for societal benefits of the public sector and the research from the universities with the overarching purpose of building a thriving fintech ecosystem for the benefit of all stakeholders.

Systems Engineering A/S

Systems Engineering A/S has specialized in the implementation and application of systems engineering, which is a well known discipline to manage large scale complex engineering and design projects. We strongly believe that a common language across technical disciplines is necessary; a language that creates an unambiguous understanding among all stakeholders. This is why we created the Systems Engineering Concept to be a practical daily way of working with SE and the SEC-HUB Software Suite supports and accelerates leaning.

kleen hub ApS

Kleen Hub is a Copenhagen-based circular tech company building Tap & Reuse™ — a frictionless reuse system that makes reusable packaging work at scale. Our platform combines simple hardware with a lightweight software layer to enable fast, reliable reuse without the usual barriers: no app, no user registration, and no deposit handling required. We help venues and operators (cafés, campuses, stadiums, airports, corporate sites and more) replace single-use packaging with reusable cups and containers through an operationally simple setup. Tap & Reuse™ supports multiple return flows (smart return stations, return bins, handheld scanning and washing-site verification), delivers high return rates in closed and semi-closed environments, and provides clear reporting for operations and ESG. Kleen Hub works with leading partners and distributors across Europe and has deployed systems in high-volume environments, proving that reuse can be convenient for users and manageable for staff. Our mission is to remove friction from reuse and accelerate the transition away from single-use packaging — by making reuse as easy as tapping a card.

Aegir Insights

Supporting decision makers in the offshore wind industry with cutting-edge insights, experience and market intelligence. Aegir Insights is a technology-driven intelligence company serving the offshore wind sector. We leverage data science and deep industry experience to help global renewable players make smarter decisions. Our expertise lies in contextualizing complex information through use of proprietary models developed in close cooperation with industry and academia. Going beyond data, Aegir Insights brings independent strategic insights based on our industry experience.

Enduro Genetics

Enduro Genetics is a startup committed to improving large-scale fermentations, closing the scale-up gap to make bioproducts possible at any scale. We offer our proprietary platform Enduro Sense that enhances large-scale fermentation by optimising population heterogeneity. Enduro Sense is a seamlessly integrated, self-selecting technology that addicts microbial cells to production and therefore eliminates low-producing cells. We welcome inquiries to test our tech, unsolicited job applications and partnerships.

Toco

Toco is on a mission to revolutionize the economic system by recognising our most valuable asset - our Home Planet. Through an innovative approach, Toco introduces a new digital currency backed by real-world climate projects that reduce and remove CO2 from the atmosphere and contribute to saving our Home Planet. With an easy-to-use payment app, Toco makes every transaction - from buying a plant-based burger to renting a city bike - a step forward towards solving climate change. OUR WHY: We are on a mission to solve climate change. We must protect our common resources that are vital to life on earth. We are uniting communities to make climate action simple. HOW: We have tested this concept in Stellenbosch, a small South African town, with 67% business adoption and 45% MoM Community growth. Individuals could live in a currency that values the environment instead of its destruction. We are now expanding in Zurich and Denmark. Toco is a new global currency backed by CO2 (Supported by https://www.thecarbonreserve.org/) Every toco represents one tonne of CO2 credibly mitigated from the atmosphere. We turn economic activity into climate action. CURRENTLY: This summer, Toco is launching in Copenhagen, offering a unique opportunity to join a climate-forward movement of talented individuals called the Custodians of the Common. Custodians are passionate about using their time and talents to protect the environment and solve the greatest challenge of our time - climate change. Custodians come together to create change NOW, driven by the realisation that time is running out for the planet’s finite resources and there is NO PLAN(ET) B! As a Custodian, you will be at the forefront of introducing Toco to Copenhagen, spreading the word, and onboarding businesses and individuals to join the movement and start using a currency that directly contributes to sustainable projects that remove or reduce carbon dioxide from the atmosphere, to combat climate change. Beyond the climate impact that each Custodian creates, Custodians volunteer their time and are financially rewarded based on the climate impact they create.

Nature Preserve ApS

Nature Preserve is a sustainability-centered tech startup. We are on a mission to make the food system more transparent and climate-conscious. We believe sustainability should be driven by data. Our primary focus is a web-based SaaS life cycle assessment solution. We help food companies to measure, reduce and communicate the emissions of food products.

Flowering.dk

Centrally located in Copenhagen, Flowering is developing bouquets with a reduced CO2 output to help environmentally conscious customers reduce waste and promote sustainability with beautifully crafted, eco-friendly floral arrangements. Flowering addresses the significant issue of flower waste in the floral industry. This problem affects both the environment and flower producers, contributing to unnecessary carbon footprints. The widespread waste impacts growers, retailers, and consumers who seek sustainable alternatives. Our team at Flowering sources surplus flowers that would otherwise be discarded and repurposes them into beautiful, high-quality bouquets in combination with local and certified flowers. By implementing efficient logistics and innovative design processes, we ensure these flowers reach customers fresh and vibrant, reducing waste and promoting sustainability without any intermediaries. The inspiration for Flowering came from witnessing the vast amounts of perfectly good flowers being discarded daily. Motivated by a passion for sustainability and a desire to make a positive environmental impact, we left our jobs and studies to focus on creating a business that not only delivers beauty but also champions environmental responsibility.

2030 Builders

2030 Builders – Empowering People to Drive Sustainable Change At 2030 Builders, we believe sustainability isn’t just a target—it’s a mindset that reshapes how organisations grow, compete, and lead. Our mission is to help companies transform their workforce into a resilient, purpose-driven community capable of achieving ambitious strategic and ESG goals. Through our user-centric platform, we combine gamified learning, 200+ expert sustainability topics, and practical tools to embed sustainability into culture, strategy, and everyday decision-making. From decarbonization to ethical governance, we make complex topics clear, actionable, and inspiring—so people at every level can drive real change. Trusted by forward-thinking global enterprises, we empower employees to co-create solutions, build ownership, and turn risk into opportunity. By connecting knowledge with action, we help organisations accelerate the journey to net zero, strengthen their reputation, and attract the next generation of purpose-driven talent. At 2030 Builders, you won’t just work on a product—you’ll be part of a movement to reshape how businesses impact the world. Together, we’re building a greener, better, and more resilient future—one empowered employee at a time.

Tector

At Tector, we believe technology should make building protection effortless. We’re transforming construction with smart solutions, talented people, and a clear sense of purpose. Proactive alerts for healthier buildings Tector gives you timely notifications when moisture levels in flat roofs or timber structures indicate a potential problem. By alerting you before damage occurs, we help prevent costly repairs, reduce CO₂ impact, and keep buildings resilient for the long term. Empowering the construction community Our solutions support everyone in the construction value chain: Building owners looking to safeguard their properties. Contractors who want clear insights to act before issues escalate. Advisors ensuring they can recommend the best solutions for their clients. A growing team, a global reach From our Copenhagen and London offices, our tight-knit team supports projects in 15 countries and is building the foundation for future growth. With Tector, keeping buildings secure, dry, and resilient has never been easier.

Treesy ApS

Treesy ApS er en dansk climate tech-startup, der gør det nemt, billigt og gennemskueligt for privatpersoner og virksomheder at tage konkret klimahandling gennem træplantning i Tanzania. Mange mennesker og virksomheder ønsker at gøre noget for klimaet, men oplever i dag, at løsningerne er uoverskuelige, dyre, abstrakte eller svære at stole på. Samtidig vokser både klima- og biodiversitetskrisen, og behovet for skalerbare, troværdige og handlingsorienterede løsninger er større end nogensinde. Treesy er skabt for at fjerne barriererne for klimahandling. Vi tilbyder en enkel abonnementsbaseret model, hvor kunder planter træer som en konkret måde at reducere og balancere deres klimaaftryk. Vores tilgang er baseret på konservative beregninger, radikal transparens og lokal forankring. Alle træer plantes i samarbejde med lokale partnere i Tanzania og bliver: • individuelt geo-tagget • monitoreret mindst fire gange årligt • passet og genplantet i op til tre år efter plantning Vi planter et diversificeret mix af træer med fokus på både klima, biodiversitet og lokal økonomi. Det betyder, at vores indsats ikke kun handler om CO₂, men også om at styrke økosystemer, skabe lokal indkomst og opbygge mere robuste lokalsamfund gennem agroforestry og frugttræer. Treesy adskiller sig ved at kombinere: • lav pris pr. træ • høj grad af transparens • direkte lokal tilstedeværelse • individuel geo-tagging af træer • en bevidst fravalg af dyre certificeringssystemer til fordel for direkte dokumentation Vores ambition er at gøre klimahandling tilgængelig for alle — og samtidig sikre, at indsatsen skaber reel, målbar og langsigtet impact. Treesy er stiftet af iværksættere med mange års erfaring fra udviklingsarbejde i Afrika og et stærkt lokalt netværk. Vi tror på, at ægte forandring skabes, når klima, biodiversitet og social udvikling tænkes sammen i én samlet løsning. Vores mission er enkel: At gøre det så nemt og gennemskueligt som muligt at give mere tilbage til planeten, end man tager.

1KOMMA5 DK A/S

1KOMMA5° Denmark (formerly Viasol, one of the earliest and largest solar providers in Denmark) is a climate tech company revolutionizing how homeowners transition to green energy. We offer fully integrated solutions for solar panels, heat pumps, and energy storage, all connected via our proprietary energy management system, Heartbeat. We are solving the complexity and inefficiency in the green energy transition. Homeowners today face fragmented offerings, lack of transparency, and poor service when trying to make their homes climate neutral. 1KOMMA5° solves this by offering a seamless, one-stop-shop experience with smart tech, premium installation, and ongoing optimization—all under one roof. With deep market experience as Viasol and now part of the 1KOMMA5° group, our mission is to make every home in Denmark energy independent, affordable, and climate-friendly—contributing to a healthier planet and future-proof energy economy.

LAUTEC A/S

We accelerate the renewable energy transition worldwide through innovative IT solutions and consulting services, enabling the industry to develop, execute and operate wind power projects smarter, faster, and cheaper. As a company, we strive towards making the day-to-day work in the industry smarter and easier for everyone, everywhere. That’s why we provide engineering know-how and practical, intuitive IT services for the realization of large-scale energy projects. With diverse backgrounds and a profound passion for large-scale wind, our specialists support EPCI projects worldwide. Referring to the combined experience of our team, we are or have been involved in most existing offshore projects globally in one way or the other.