TechQuartier Selects 15 Startups for TQ Accelerator: Green Transformation

TechQuartier has announced the 15 startups selected for its TQ Accelerator: Green Transformation, a program designed to support Seed & Series A startups developing cutting-edge solutions in the areas of sustainable finance, ESG management, green building, green real estate and green energy. Running from October 28 to December 12 in Frankfurt and supported by public funding from Land Hessen, the Accelerator provides mentorship, investor connections, and networking opportunities for founders.  

“Together with our partners, we aim to support startups that are pioneering tangible solutions for sustainability,” said Alice Rettig, Managing Director of TechQuartier. “This cohort represents the future of green transformation, and we’re thrilled to support their journey.”  

With more than 70 applicants from across Europe, the program saw interest from startups in sectors including renewable energy, carbon management, circular economy, and sustainable finance. Fourteen were selected for their innovative approaches, market potential, and commitment to positive environmental impact. The fifteen startup, Circonomit, secured its place through a wildcard win at TechQuartier’s Impact Challenge, held on October 30 at the Impact Festival in Frankfurt.   

Meet the 2024 TQ Accelerator: Green Transformation Cohort: 

aenergi - powered by Apollo x - Germany 
aenergi.io 
aenergi leverages AI to optimize and analyze energy use in buildings. It provides real-time analytics, and predictive insights helping SMEs reduce energy costs. 

 Callirius AG - Switzerland 
callirius.com 
Callirius offers innovative carbon management solutions that support businesses and governments in implementing complex climate strategies. 

 CBAM-Estimator GmbH - Germany 
cbam-estimator.com 
CBAM-Estimator offers a software/complete solution for companies that fall under the new EU law Carbon Border Adjustment Mechanism (CBAM). 

 Circonomit – Germany 
https://circonomit.de/ Circonomit revolutionizes the collection and processing of environmental data for products and production lines. Their data toolbox empowers businesses to process and trace crucial environmental data, transforming a process that used to take months into a task done in hours. 

 CircularPlace - France 
circularplace.fr/en 
CircularPlace is a SaaS platform promoting reuse and circular economy for underexploited assets empowering companies to cut costs and carbon emissions. 

 Cloud Doing Good – United Kingdom 
cloudoingood.com 
Oracle-based cloud finance, operations and impact platform.

core sensing - Germany 
core-sensing.de 
Core sensing offers a comprehensive solution that integrates advanced sensor technology into existing manufacturing equipment. 

 Fruggr by Digital4Better - France 
fruggr.io 
Solutions to minimize digital carbon footprints and guide users in meeting European Accessibility Act (EAA) compliance for a sustainable tech ecosystem. 

Legal-Pythia LLP - Germany 
pythialegal.com 
Legal-Pythia tackles the growing issue of greenwashing by providing AI-powered solutions that accurately detect misleading environmental claims in reports and communications. 

 Penomo B.V. - Netherlands 
penomo.io 
Infrastructure to bridge renewables-backed digital assets with ESG-focused private capital allocators. 

 re-green - Germany 
re-green.tech 
re-green offers Asset Managers an investment-free ESG renovation and certification of the office properties they own and manage. 

 sustamize GmbH - Germany 
sustamize.com 
Sustamize provides data and logic to calculate Product Carbon Footprint. Thus, they are enabling their clients to measure, optimize, report and manage Scope 3 emissions. 

 Thermosphr EO Solutions GmbH – Germany  
thermosphr.com 
Autopilot for intelligent energy optimization in commercial real estate. Thermosphr offers a cutting-edge energy management system that integrates model predictive control with advanced thermal modeling.
 
 U Impact (impact4good GmbH) - Germany 
uimpact.earth 
U Impact provides an AI-powered SaaS solution that helps financial institutions attract inflows into sustainable funds by personalizing the investor journey with gamification and transparent ESG insights. 

 Wavelr - Switzerland 
wavelr.com 
Wavelr empowers property owners to unlock new revenue streams and sustainability gains with AI-driven tenant electricity solutions. 

 A Robust Network of Support and Opportunities 

With the support of industry partners Baker McKenzie, ING, Commerzbank, Deloitte, and Helaba, the TQ Accelerator: Green Transformation offers a structured curriculum, direct access to investors, and connections to influential stakeholders. This enables startups to rapidly scale their impact across key sustainability areas, including green finance, ESG compliance, green real estate, and renewable energy.  This year’s applicants reflect the geographic and sectoral diversity of Europe’s green innovation landscape, representing solutions in sustainable agriculture, circular economy, carbon management, and more. The program aims to position Frankfurt and Hessen as key hubs for green transformation in Europe, reinforcing a collaborative environment for sustainable innovation.  

Open Public Events 

Included in the Accelerator are upcoming open public events focusing on ESG and building startup collaborations. 
 
Tickets and information for each event can be found here:

November 26 at 7:00 PM - Greener Horizons: The Role of AI in Sustainability – IN BERLIN 
Where: Impact Hub,  Rollbergstraße 28A, 12053 Berlin    

December 10 at 6:00 PM - Building the Future of Sustainable Finance: Corporate-Startup Collaborations 
Learn more about how startups and corporates build together in a win-win atmosphere. Visa and ecolytiq will share their story and insights on collaborating successfully. 
Where: TechQuartier