Rockstart is an early-stage investor that empowers purpose-driven founders across three domains: Energy, AgriFood, and Emerging Technologies. Rockstart invests in early-stage startups and provides access to capital, market, and expertise by connecting founders with co-investors, mentors, partners, corporates and the wider Rockstart network. Rockstart has invested in more than 300 startups and its alumni value to date is more than $1bn. Rockstart is an international team of 45+ professionals dedicated to empowering purpose-driven founders to become scalable and drive positive change on a global scale. The company has offices in Amsterdam, The Netherlands, Copenhagen, Denmark and Bogota, Colombia.

What is RE-ZIP RE-ZIP is a circular packaging concept offering circular packaging to more or less all players in the ecommerce industry. By circulating and hence reusing rather than using single-use packaging (even recycled) we save CO2 even the first time a packaging is reused. It works likes this RE-ZIP delivers the packaging to webshops who offer the sustainable packing solution to their customers at check-out for a minor fee (paid back via reward voucher upon returning the packaging). Upon receipt of the goods the customer folds the RE-ZIP packaging to a return format and return it at a Drop Point. The packaging is returned to the RE-ZIP warehouse for cleaning and re-circulation to the webshops. The RE-ZIP packaging can be circulated up to 10 times, but more importantly the packaging will begin saving CO2 Within the first or second use – depending on the type. RE-ZIP has developed a state-of-the-art backend system supporting the above process and are currently operating in Denmark, UK and Poland. Hence working at RE-ZIP will offer you in-person colleagues in Denmark and remote colleagues in before mentioned countries and more to come. Working at RE-ZIP Working from the Danish RE-ZIP HQ you will find a bunch of nice new co-workers who appreciate to work from the office most days, because the energy we create together is important for us. That does not mean that you have to be here all day every day. You will have flexible working hours to accommodate your daily life. The atmosphere in the office is laid back and rather than working solo on projects and tasks we gather and combine our skills. Send us your application to come join us in our mission to change e-commerce packaging for good.

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.

At Hybird, we operate at the intersection of hardware and software where we are bringing the electrical panel online and transforming it into a data platform. This gives us an opportunity to improve tooling for installers and facility managers, as well as surface actionable insights to a variety of stakeholders. The objective for us is to increase our understanding of power consumption and use that to help curb consumption.

At Celsia our vision is empowering decisions to be made with sustainability as the forethought by making sustainability scoring simple. Celsia exists to make sustainability scoring simple, fast, and efficient. We drive sustainability comparability and are committed to enabling both small and large companies to participate in the green financing system, no matter the size of one's budget. With software, we make sustainability scoring frictionless and for everyone. We are a Norwegian startup with offices in Oslo & Berlin. The Celsia gang is constantly growing, so chances are by the time you’re reading this we’ve already doubled in size! We’re a group of passionate folks with diverse backgrounds and all kinds of hopes and dreams. We do share some things though, like our passion for sustainability, our love of cheesy jokes during daily stand-up, and our willingness to go above and beyond to ensure everyone is enjoying the adventure.

We are changing the world! Copenhagen Atomics is building the next generation nuclear reactors for the world based on molten salt technology. This provides a cheap and clean energy source that aims to change the energy system in general. A thorium based molten salt reactor is small, efficient, safe and is burning the nuclear waste from current nuclear plants.

The need for cooling is growing all over the world due to global warming. STAC's focus is on developing zero emission cooling solutions using water as the refrigerant and our product solutions are made to plug and play replace current cooling chillers using destructive synthetic refrigerants. STAC Technology makes sustainable industrial cooling solutions exclusively using water as the refrigerant. STAC's cooling solutions are designed to be used in multiple applications across a variety of industries. STAC Technology is a hardtech cleantech R&D Engineering company was started in 2016 and has been going through a speedy development since 2020 and is now funded by EIC, European Innovation Council and the commercialization phase in 2024-2027 will be funded by a consortium consisting of EIB, European Investment Bank and others.

We are an impact-driven startup from Denmark with the mission to make zero-waste constructions happen with our circular material platform. Our product is an end-to-end solution that leverages data and automation to make it easy to efficiently plan, manage, and circulate building materials. We are a team of experts in engineering, construction and enterprise SaaS development, and we are turning material waste into profits for construction projects. More importantly, we avoid up to 1.5% of the global CO2eq emissions resulting from the construction industry.

MoveByBike is an urban logistics company. We deliver products by electric cargo bikes, focused on 'last mile logistics.' We specialise in the food and subscription sectors, however with our large bikes we can move many products within any industry. Our goal is to remove as many trucks and vans from the city as possible. We are growing fast, so committed individuals are always welcome to apply for driver and internship positions. Look out for our bikes around the city!

Perma Padel is on a mission to become a leading global racket sports brand and equipment manufacturer, defined by an unwavering commitment to premium performance, sustainability, and innovation. Perma Padel is the first to apply a novel industrial manufacturing process for padel rackets using 100% recyclable thermoplastic carbon fiber, unlocking a new era of performance, sustainability, and scalability. By moving from manual labor to precision automation, we slash manufacturing time significantly, while delivering a product that is twice as durable as the competition. Our Core Innovations Include: MonoFrame™: A supercar-inspired unibody design that removes the traditional hollow internal frame. This creates a stronger racket with a larger, more forgiving sweet spot. OmniCore™: High-grade foam from edge to edge. This eliminates dead zones, maximizes energy return, and significantly reduces vibration to lower the risk of injury. FutureFiber™: Our proprietary thermoplastic carbon fiber allows for a fully circular model. Unlike toxic epoxy-based rackets, our materials are 100% recyclable and enable zero-waste manufacturing. We have already secured a launch partnership with Denmark's biggest retailer and have an organic waitlist of over 700 players. We are currently finalizing product development for a Summer 2026 launch.

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.

At Phlit, we’re dedicated to accelerating the shift toward a sustainable future. Renewable energy sources like solar and wind are being adopted rapidly, but their unpredictability presents challenges. That’s where our IoT solution comes in. We use existing energy assets—such as wastewater pumps, heaters, fans and compressors—and, with our algorithm, turn them into virtual batteries that balance supply and demand in real time. This offers a sustainable alternative to traditional batteries while helping our customers save money and reduce their carbon footprint. We believe the future of energy is bright, and we’re excited to lead this transformation. Join us in creating a cleaner, more sustainable world!

2degrees is a mission-driven private investment company which invests the private capital of a successful Danish entrepreneur. We are a small multidisciplinary team of experienced professionals with corporate discipline, an entrepreneurial outlook, and a human-centric approach to our team culture. Our mission is to deploy early-stage capital to ensure planetary health. We invest across the globe in start-up companies that focus on climate, sustainability and positive societal impact. After investment, we work closely with founders and management teams to help them build their businesses to reach full potential.

We are a dynamic start-up, created as a spin-off company of DTU. Our mission is to achieve great environmental quality in indoor spaces. How do we do that? We do that by: 1) Extensively monitoring buildings through our platform www.climify.com, finding faults, and correcting them. 2) Asking occupants' about their own perception of the indoor environment through our mobile app FEEDME 3) Controlling the engineering system of buildings accordingly to the feedback of the occupants through our 3D AI Try out our demo at www.climify.com and reach out to get a great indoor climate lower energy cost.

Graitor is a new digital solution that gives you points every time you recycle cans and bottles with or without a deposit label. You can use your points on free treats, offered all over the country. Graitor connects companies and consumers on one platform and together creates circular responsibility.