Overstellar Solutions
We develop apps with a focus on gamification social innovation and sustainability. Our way of working with sustainability is to prioritize projects that have a positive impact on society.
Explore startups and scaleups contributing to a more sustainable future on the Swedish Climate Startup Map. This comprehensive Map features a wide-range of companies developing innovative solutions across numerous sectors.
Climate startups and scaleups

We develop apps with a focus on gamification social innovation and sustainability. Our way of working with sustainability is to prioritize projects that have a positive impact on society.

Ambidex is an energy flexibility company developing a software solution to be able to control the electrical consumption in food retail refrigeration systems based on the demands of the electrical grid.

Enersize delivers smart software, tools and services for energy optimization of industrial compressed air, resulting in reduced carbon footprint and production costs.

Graphmatech is a materials technology company that invents, develops and sells graphene-based materials. Aros Graphene® is a patented graphene hybrid material technology which has solved the long-standing agglomeration issue in graphene applications.

We do simulation, analytics and data that enables a green transition. We help banks help their customers to understand and take action to do energy efficiency actions to their homes.

SmartFront is a patented method for upgrading facades, ventilation and windows on existing properties. The installation provides significant energy savings and a healthy living environment.

Myrspoven has developed a system that by applying advanced AI-algorithms optimize any building autonomously with great energy savings as a result.

Vi har skapat ett molnbaserat energihanteringssystem som hjälper industrier att visualisera, spåra och spara energi i realtid. Vi vill att alla ska kunna energieffektivisera på ett enkelt sätt.

Panter is a digital return system enabling and ensuring the rotation of reusable packaging. For the guests, it’s like a library. For the restaurant it’s packaging as a service, subscription-based. Compliance and climate impact guaranteed.

Mine Storage develop and operate pumped hydro systems. Our design is a closed loop system in abandoned underground mines, which minimize the environmental impact, reduce construction costs, and utilize infrastructure such as grid connections.
LaddaTillsammans har sitt säte i Helsingborg och hjälper bostadsrättsföreningar, fastighetsbolag och samfälligheter med elbilsladdning i hela landet.

VEAT market is a small canteen machine with massive potential to make an impact. We make crave-worthy, plant-based cuisine available to everyone — at unbeatable prices.

Stegra accelerates decarbonization of the European steel industry, one of the largest carbon dioxide emitters. The founder and largest shareholder is Vargas, which is also co-founder and one of the larger shareholders in Northvolt.

EFUEL is a leading Nordic company in the electric vehicle (EV) charging industry. We offer a comprehensive product catalog and a network of installers that drives growth while accelerating a seamless transition to sustainable energy consumption.

Green & Growing specializes in hyper-local, sustainable vertical farming, providing fresh vegetables directly from urban-based hydroponic systems.

Karma is an app that connects restaurants, cafes and grocery stores with users eager to purchase unsold food at a lower price. Offers a solution with minimal administration and high reliability.

Normative provides science-based carbon accounting software and tailored advice from net zero experts, enabling companies to reduce their carbon footprints and operate sustainably

SweGreen is an agtech company specializing in AI-driven in-store vertical farming solutions, enabling hyper-local production of leafy greens and herbs within retail environments.

iHelm consists of a blackbox that is installed on board and the captain will receive relevant visual information on a screen in the helm, and actionable insights for optimal operation, in real-time.

LunaMicro is developing active moisture management technology for the next generation of smart textiles. Our product is a textile that pumps water from the inside to the outside of the fabric with power from a small battery.
The Swedish Climate Startup Map provides a comprehensive selection of categories to facilitate the search for startups and scaleups. These categories cover sector, enabling technology, Sustainable Development Goals, type, team size, turnover, location, incubator and founding year.
Solutions for the production and processing of food, crop cultivation and animal husbandry, and innovations to the forestry industry.
Technologies to capture and store carbon dioxide from the air or exhaust gas for utilization or storage.
Solutions to improve the construction and building process, and services related to the maintenance and upkeep of existing buildings.
Solutions to promote energy efficiency, smarter grid systems and energy storage.
Solutions to optimize resource utilization and enhance environmental values.
New and/or improved innovations to manufacturing processes or products.
Solutions that enhance efficient transportation such as carpooling, improved vehicles, as well as solutions supporting infrastructure for transportation such as charging infrastructure.
Solutions for the end-of-life treatment for materials not suitable for reuse.
Solutions for the production of renewable energy or supporting renewable energy solutions.
Materials designed to be more sustainable than competing products or used to create more sustainable applications (e.g. due to lighter weight).
Solutions to improve water management, from manufacturing to daily use or irrigation, as well as wastewater management.
Solutions that are not contained in any of the previous sectors.
Utilizing artificial intelligence and machine learning for enhancing sustainability.
Automated processes for improved efficiency.
Distributed ledger technology and its applications for a decentralized web.
Alternatives to traditional business models such as sharing and leasing that enhance a more circular economy.
Information and data sharing structures to enhance sustainability.
Innovative funding mechanisms to support sustainable initiatives.
Development of new products to meet market demands.
Optimization of industry production through advanced technologies.
Solutions that enable a more sustainable way of life, such as improved grids, charging stations, and induction roads.
Integration of smart technology to manage appliances more sustainable.
Providing software, products, and services as a subscription rather than ownership.
Solutions to drive behavioural change towards sustainability.
Enabling environmental sustainability through other options than those mentioned above, e.g. combining offerings in innovative ways, developing new systems or creating alternative food products.
Companies that focus on providing products or services to other businesses.
Companies that focus on providing products or services directly to consumers.
Companies that focus on providing products or services to government agencies and public sector organizations.
Solutions designed to have a positive sustainability impact in developing countries.
Emergent from a research context
Companies with at least one female co-founder
Verified solutions with high sustainability impact
Founded within the last two years
Companies with turnover surpassing 20MSEK