Rockstart

Rockstart is an accelerator based in Amsterdam, Netherlands, founded in 2011. It specializes in early-stage investments in startups across various sectors, including energy, health, agrifood, and emerging technologies. With a strong focus on supporting purpose-driven founders, Rockstart not only provides capital but also offers coaching, mentorship, and access to markets, expertise, and a community of co-investors and partners. The company has invested in over 350 startups, achieving an alumni valuation exceeding $1.7 billion. Rockstart operates additional offices in Copenhagen, Denmark, and Bogotá, Colombia, and emphasizes impact-driven initiatives, including programs designed to assist entrepreneurs in Nepal. The firm's notable exits include companies like Wercker, Bouw7, and 3D Hubs, reflecting its commitment to fostering scalable innovations that drive positive change globally.

Mark Durno

Managing Partner AgriFood

Francisca Sousa Guedes

Investment Manager

Max ter Horst

Managing Partner, Energy

Suzanne Kroeze

Investment Manager, Emerging Tech

Gem Kua

Investment Manager, Energy

Sam van der Linden

Investment Analyst

Don Ritzen

Interim Managing Partner Energy Fund

Philippe Schuit

Investment Director

Frederik Ploug Søgaard

Senior Investment Associate

Rune Theill

Co-Founder, CEO

Mick Valentin

Investment Analyst

Past deals in GreenTech

GEHECO

Seed Round in 2024
GEHECO is a technology company specializing in the development of drilling tools tailored for renewable energy applications, specifically focusing on the efficient installation of water-heat pumps in existing residential structures. The company aims to facilitate the transition to carbon-neutral heating methods by addressing the challenge of well drilling, a critical step in the installation process. GEHECO's innovative designs prioritize in-home installation, reduced environmental impact, and enhanced accessibility, thereby overcoming traditional barriers to the adoption of sustainable heating solutions.

Contribe.io

Pre Seed Round in 2024
Contribe is on a mission to empower a sustainable future through innovative tech - simplifying, transparently tracking, and automating actions for a healthier planet. We turn sustainable collaborations into a competitive advantage! At Contribe we are creating a SaaS platform to automate manual work, find the right impact partner, validate results, link actions to business processes and use it all to gain competitive advantages. We are helping parties connect and collaborate, communicate their efforts with supreme accuracy and free time to focus on creating value within their core business, instead of focusing on tiresome and obsolete administrative practices. New EU-legislation is pressuring the way we handle sustainability data today, 9/10 customers demand higher transparency in sustainability claims and corporate sustainability collaborations are on a rise! With the Contribe software, we are going to totally redefine the way sustainability collaborations are managed and communicated!

Beholder

Seed Round in 2024
Beholder is an AI-powered remote sensing platform focused on investigating vital minerals and energy resources. By leveraging machine learning to analyze satellite data, Beholder generates accurate forecasts on mineral deposits while employing environmentally friendly remote sensing technology. The company specializes in providing satellite imagery for oil and gas exploration, offering services such as hydrocarbon seepage detection, radar site mapping, soil moisture analysis, and environmental mapping and predictions. This innovative approach enables clients in the energy sector to uncover previously undiscovered oil and gas deposits, enhancing their exploration capabilities.

Circadian Technologies GmbH

Seed Round in 2023
Circadian Technologies is a developer of a decentralized energy management platform aimed at accelerating the energy transition in frontier markets. The company offers a Software-as-a-Service (SaaS) solution that enables solar developers and energy service companies to optimize their operations and enhance profitability. By capturing data from multiple sources at a high frequency, Circadian's platform performs edge calculations and integrates this information into the cloud, providing clients with actionable insights. The company's proprietary Internet-of-Things hardware complements the software, delivering an end-to-end solution that improves the design, financing, operation, and maintenance of decentralized renewable energy systems for commercial and industrial sites.

Klimate

Seed Round in 2023
Klimate helps scale the carbon removal industry by connecting demand and supply with financing. They strategically fund initiatives that promote social and economic advancement as well as environmental responsibility. The company drives quality and transparency through its proprietary knowledge and technology, allowing the customers to stay ahead of the regulatory curve and minimize reputational risk. Its platform provides sustainability professionals with a new tool in their toolbox, positioning them for success in an era when carbon is a key KPI for any given business.

IM Efficiency

Seed Round in 2023
IM Efficiency is an innovative technology firm dedicated to enhancing productivity in the road freight transport sector through sustainable energy solutions. The company specializes in research and development of hardware and software aimed at reducing emissions from trucks and semi-trailers. By integrating renewable energy sources into heavy-duty vehicles, IM Efficiency provides technology that can be installed on both new and existing trucks, allowing transportation companies to significantly lower their fossil fuel consumption and environmental impact.

Beyond Leather Materials

Venture Round in 2023
Beyond Leather Materials ApS, established in 2017 and headquartered in Copenhagen, Denmark, specializes in developing and supplying a sustainable leather alternative made from apple pulp, a byproduct of cider and juice production. This innovative material closely resembles traditional animal leather while being fully biodegradable and free from animal derivatives. By utilizing waste generated during the cider-making process, the company offers a more sustainable option compared to conventional animal-based or synthetic leathers, positioning itself as a B2B supplier in the growing market for eco-friendly textiles.

Contribe.io

Pre Seed Round in 2023
Contribe is on a mission to empower a sustainable future through innovative tech - simplifying, transparently tracking, and automating actions for a healthier planet. We turn sustainable collaborations into a competitive advantage! At Contribe we are creating a SaaS platform to automate manual work, find the right impact partner, validate results, link actions to business processes and use it all to gain competitive advantages. We are helping parties connect and collaborate, communicate their efforts with supreme accuracy and free time to focus on creating value within their core business, instead of focusing on tiresome and obsolete administrative practices. New EU-legislation is pressuring the way we handle sustainability data today, 9/10 customers demand higher transparency in sustainability claims and corporate sustainability collaborations are on a rise! With the Contribe software, we are going to totally redefine the way sustainability collaborations are managed and communicated!

Circadian Technologies GmbH

Pre Seed Round in 2023
Circadian Technologies is a developer of a decentralized energy management platform aimed at accelerating the energy transition in frontier markets. The company offers a Software-as-a-Service (SaaS) solution that enables solar developers and energy service companies to optimize their operations and enhance profitability. By capturing data from multiple sources at a high frequency, Circadian's platform performs edge calculations and integrates this information into the cloud, providing clients with actionable insights. The company's proprietary Internet-of-Things hardware complements the software, delivering an end-to-end solution that improves the design, financing, operation, and maintenance of decentralized renewable energy systems for commercial and industrial sites.

Nanomik Biotechnology

Grant in 2022
Nanomik Biotechnology specializes in the development of next-generation biofungicides aimed at enhancing the shelf life of fresh fruits and vegetables. The company utilizes antimicrobial raw materials derived from naturally sourced microorganisms and active plant molecules, which are encapsulated in micro-sized biopolymer capsules. These natural microcapsules adhere to the surface of fruits, releasing their protective agents within 24 to 48 hours. The biopolymer forms an edible layer that effectively prevents mold growth, thereby safeguarding the produce. By providing an alternative to chemical fungicides, Nanomik's products ensure safety for both humans and the environment while also helping farmers reduce food spoilage and waste.

Oktogrid

Seed Round in 2022
Oktogrid specializes in digitalizing transformers to enhance the efficiency and safety of energy transmission and distribution. Their innovative technology enables electricity providers to quickly and easily add a digital interface to transformers within ten minutes, requiring no tools. This approach facilitates non-invasive access to real-time performance data, allowing companies to monitor, forecast, and respond to local grid congestion effectively. Oktogrid's systems are designed to measure condition changes, detect anomalies, and track asset performance, thereby transforming energy challenges into data-driven opportunities. By equipping electricity providers with actionable insights, Oktogrid supports the transition towards a cleaner energy future and empowers organizations to make informed decisions in an evolving energy landscape.

Biotic Circular Technologies

Seed Round in 2022
Biotic Circular Technologies specializes in the development and manufacturing of fully bio-based, biodegradable polymers, offering a sustainable alternative to fossil-fuel plastics. The company's end-to-end manufacturing process is designed to eliminate the need for recycling, thus promoting a zero-waste and circular economy. By providing a scalable and environmentally friendly solution, Biotic Circular Technologies aims to address the growing demand for sustainable materials across various applications, including packaging, disposables, and single-use products. Their innovative approach contributes to the reduction of greenhouse gas emissions, aligning with global efforts to transition towards more sustainable practices.

Harvesto

Seed Round in 2022
Harvesto operates as a comprehensive agro e-commerce platform that caters to the needs of farmers and agricultural contractors. By offering a diverse selection of products including agricultural machinery, seeds, fertilizers, and crop protection chemicals, Harvesto aims to enhance productivity and safeguard crop yields from pests. With over 3 million stock-keeping units available, the platform serves more than 30,000 farmers in Germany, effectively transforming the agricultural supply chain while promoting sustainability by reducing CO2 emissions.

Clairify

Seed Round in 2022
Clairify focuses on enhancing tenant-landlord relationships by developing indoor climate measurement sensors that improve air quality and workplace productivity. The company provides insights and suggestions for facility management, contributing to the creation of healthy and energy-efficient work environments. Clairify's technology enables the detection of indoor air quality and comfort data in various settings, including schools and offices. By leveraging predictive analytics, Clairify helps building occupants improve their well-being while simultaneously adding value to properties and reducing maintenance costs. Additionally, the company ensures compliance with indoor air quality regulations, ultimately fostering better tenant experiences.

CarbonSpaceTech

Seed Round in 2021
CarbonSpace is an AI and satellite-powered B2B SaaS platform based in Berlin, Germany, specializing in carbon and greenhouse gas emissions monitoring and verification. The company provides a comprehensive platform that allows clients to map real-time carbon footprints and enhances transparency in emissions tracking. By utilizing advanced AI technology alongside satellite and ground sensor data, CarbonSpace enables organizations to remotely monitor and analyze the climate performance of specific assets, including farms, factories, and forests. Their solutions cater to various sectors, such as food production, consulting, finance, insurance, ports, carbon offset projects, and public authorities, empowering clients to make informed, climate-responsible decisions.

Klimate

Seed Round in 2021
Klimate helps scale the carbon removal industry by connecting demand and supply with financing. They strategically fund initiatives that promote social and economic advancement as well as environmental responsibility. The company drives quality and transparency through its proprietary knowledge and technology, allowing the customers to stay ahead of the regulatory curve and minimize reputational risk. Its platform provides sustainability professionals with a new tool in their toolbox, positioning them for success in an era when carbon is a key KPI for any given business.

Biotic Circular Technologies

Convertible Note in 2021
Biotic Circular Technologies specializes in the development and manufacturing of fully bio-based, biodegradable polymers, offering a sustainable alternative to fossil-fuel plastics. The company's end-to-end manufacturing process is designed to eliminate the need for recycling, thus promoting a zero-waste and circular economy. By providing a scalable and environmentally friendly solution, Biotic Circular Technologies aims to address the growing demand for sustainable materials across various applications, including packaging, disposables, and single-use products. Their innovative approach contributes to the reduction of greenhouse gas emissions, aligning with global efforts to transition towards more sustainable practices.

Oktogrid

Pre Seed Round in 2021
Oktogrid specializes in digitalizing transformers to enhance the efficiency and safety of energy transmission and distribution. Their innovative technology enables electricity providers to quickly and easily add a digital interface to transformers within ten minutes, requiring no tools. This approach facilitates non-invasive access to real-time performance data, allowing companies to monitor, forecast, and respond to local grid congestion effectively. Oktogrid's systems are designed to measure condition changes, detect anomalies, and track asset performance, thereby transforming energy challenges into data-driven opportunities. By equipping electricity providers with actionable insights, Oktogrid supports the transition towards a cleaner energy future and empowers organizations to make informed decisions in an evolving energy landscape.

Nanomik Biotechnology

Seed Round in 2020
Nanomik Biotechnology specializes in the development of next-generation biofungicides aimed at enhancing the shelf life of fresh fruits and vegetables. The company utilizes antimicrobial raw materials derived from naturally sourced microorganisms and active plant molecules, which are encapsulated in micro-sized biopolymer capsules. These natural microcapsules adhere to the surface of fruits, releasing their protective agents within 24 to 48 hours. The biopolymer forms an edible layer that effectively prevents mold growth, thereby safeguarding the produce. By providing an alternative to chemical fungicides, Nanomik's products ensure safety for both humans and the environment while also helping farmers reduce food spoilage and waste.

Nanomik Biotechnology

Convertible Note in 2020
Nanomik Biotechnology specializes in the development of next-generation biofungicides aimed at enhancing the shelf life of fresh fruits and vegetables. The company utilizes antimicrobial raw materials derived from naturally sourced microorganisms and active plant molecules, which are encapsulated in micro-sized biopolymer capsules. These natural microcapsules adhere to the surface of fruits, releasing their protective agents within 24 to 48 hours. The biopolymer forms an edible layer that effectively prevents mold growth, thereby safeguarding the produce. By providing an alternative to chemical fungicides, Nanomik's products ensure safety for both humans and the environment while also helping farmers reduce food spoilage and waste.

Beyond Leather Materials

Seed Round in 2020
Beyond Leather Materials ApS, established in 2017 and headquartered in Copenhagen, Denmark, specializes in developing and supplying a sustainable leather alternative made from apple pulp, a byproduct of cider and juice production. This innovative material closely resembles traditional animal leather while being fully biodegradable and free from animal derivatives. By utilizing waste generated during the cider-making process, the company offers a more sustainable option compared to conventional animal-based or synthetic leathers, positioning itself as a B2B supplier in the growing market for eco-friendly textiles.

GreenPod Labs

Convertible Note in 2020
GreenPod Labs is a company focused on reducing post-harvest losses in the agricultural sector, particularly in India, where a significant portion of fruits and vegetables is lost due to inadequate storage and transportation. With the country facing economic losses of approximately $12 billion due to food waste, GreenPod Labs has developed an innovative active packaging technology. This technology utilizes nano-encapsulated plant extracts that naturally slow the ripening process of fruits and vegetables while minimizing microbial attacks. By effectively extending the shelf life of produce during storage and transport, GreenPod Labs aims to empower farmers to significantly reduce their losses and improve the overall efficiency of the supply chain.

Beyond Leather Materials

Convertible Note in 2019
Beyond Leather Materials ApS, established in 2017 and headquartered in Copenhagen, Denmark, specializes in developing and supplying a sustainable leather alternative made from apple pulp, a byproduct of cider and juice production. This innovative material closely resembles traditional animal leather while being fully biodegradable and free from animal derivatives. By utilizing waste generated during the cider-making process, the company offers a more sustainable option compared to conventional animal-based or synthetic leathers, positioning itself as a B2B supplier in the growing market for eco-friendly textiles.

Wenda

Convertible Note in 2019
Wenda is an Italian startup founded in 2015 that focuses on enhancing food safety and sustainability through an innovative collaborative platform for food traceability. This platform automates the collection, analysis, and sharing of supply chain data, integrating seamlessly with existing tools and systems used by clients. By providing real-time insights into temperature and traceability, Wenda's platform supports decision-making for all stakeholders in the food supply chain, ultimately aiming to reduce food waste. The company's technology leverages Internet of Things (IoT) capabilities, blockchain for improved transparency and security, and machine learning to refine process management. Wenda's user-friendly solution is designed to address the needs of food distribution companies by optimizing processes, reducing costs, and enhancing service levels. It offers various modules for different phases of the supply chain, including shipping, storage, inbound, outbound, and delivery, each tailored to improve efficiency and compliance with safety standards. With a focus on global scalability and strategic partnerships, Wenda aims to revolutionize the food supply chain through digitalization and data-driven insights.

AMMP

Pre Seed Round in 2019
AMMP Technologies B.V., founded in 2018 and based in Amsterdam, develops operational software solutions specifically for the off-grid energy market. The company offers a Software as a Service (SaaS) platform that facilitates remote monitoring and management of distributed energy systems. This platform serves a diverse range of users, including energy service companies, installers, operators, and end users, enabling data-driven operational excellence that enhances system uptime and reduces operational expenses. AMMP's technology supports nearly 1,000 systems globally, focusing on the management of off-grid, mini-grid, and grid-edge assets. The founding team previously worked together at E.ON Off Grid Solutions, where they successfully deployed mini-grids across Sub-Saharan Africa, bringing their expertise to AMMP's mission of promoting clean, reliable, and decentralized energy for households and businesses.

Efficiator

Seed Round in 2017
Efficiator is a company that assists major organizations in enhancing customer growth by utilizing software to optimize energy billing. Its online platform provides valuable insights into energy consumption, using reliable algorithms to tailor products and services for specific buildings. This approach allows customers to access sustainable and eco-friendly alternatives for retrofitting and preparing their homes, promoting energy efficiency and cost savings.

Vebbu

Seed Round in 2016
Vebbu specializes in designing and manufacturing smart heating and air quality control systems. Founded in 2010 and based in Zagreb, Croatia, the company offers a smart thermostat that enables users to customize heating conditions in different areas of their homes according to schedules or personal preferences. Vebbu's system integrates a relay box compatible with various heating sources, including gas, oil, and wood chip boilers, as well as chillers. Additionally, Vebbu provides an advanced indoor climate solution that incorporates sensors and a heat recovery ventilator, which purifies indoor air while recovering up to 90% of the temperature. The entire system is managed through user-friendly web and smartphone applications, promoting energy efficiency and maintaining clean air quality within residential spaces.

Finch Buildings

Seed Round in 2015
Finch Buildings is a company based in Amsterdam, Netherlands, that specializes in sustainable real estate solutions. It provides building engineering services, focusing on the delivery of modular buildings constructed from sustainable wood. The company's offerings include contemporary housing units created using a construction system of prefabricated modules, which cater to diverse target groups and applications. This approach allows clients to occupy buildings that are not only environmentally friendly but also movable and customizable, aligning with modern demands for sustainability in architecture.

Masar

Seed Round in 2015
Masar is a solar energy company based in Amsterdam, specializing in sourcing, customizing, and installing solar systems for organizations in the Middle East and North Africa. The firm supplies essential components for existing solar systems, including panels, inverters, monitors, and mounting racks. Masar focuses on utilizing underutilized land and rooftops for solar power generation, catering to a diverse clientele that includes remote off-grid locations, telecom towers, rural villages, and temporary construction offices. Founded by Mo El-Fatatry, an award-winning entrepreneur recognized for his contributions to international business and leadership, Masar has been acknowledged as one of the top smart energy startups, reflecting its commitment to sustainable energy solutions in the region.

Capacity Energy Storage

Seed Round in 2014
Capacity Energy Storage (CES) is a dynamic company focused on accelerating the energy transition in the Netherlands and Europe in response to the urgent need for reduced CO2 emissions. Recognizing that traditional top-down policies are insufficient, CES aims to empower bottom-up initiatives by providing innovative energy services for flexibility management. The company develops flexible power units that function as virtual batteries, capable of both delivering and absorbing power to meet energy demands. Additionally, CES is committed to creating new business models that adapt to a post-2020 energy landscape characterized by dynamic pricing and reduced subsidies, moving away from conventional electricity market structures.

Finch Buildings

Seed Round in 2014
Finch Buildings is a company based in Amsterdam, Netherlands, that specializes in sustainable real estate solutions. It provides building engineering services, focusing on the delivery of modular buildings constructed from sustainable wood. The company's offerings include contemporary housing units created using a construction system of prefabricated modules, which cater to diverse target groups and applications. This approach allows clients to occupy buildings that are not only environmentally friendly but also movable and customizable, aligning with modern demands for sustainability in architecture.

GreenPod Labs

GreenPod Labs is a company focused on reducing post-harvest losses in the agricultural sector, particularly in India, where a significant portion of fruits and vegetables is lost due to inadequate storage and transportation. With the country facing economic losses of approximately $12 billion due to food waste, GreenPod Labs has developed an innovative active packaging technology. This technology utilizes nano-encapsulated plant extracts that naturally slow the ripening process of fruits and vegetables while minimizing microbial attacks. By effectively extending the shelf life of produce during storage and transport, GreenPod Labs aims to empower farmers to significantly reduce their losses and improve the overall efficiency of the supply chain.
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