Meet The Selected Start-Ups

15 promising start-ups have been selected to take part in this years Circular Cities ClimAccelerator. Over the coming months, in two stages, the selected start-ups will gain financial support as well as know-how and coaching, mentoring and peer-to-peer learning opportunities. 


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AEXI - Advance Export Intelligence

AEXI provides advanced intelligence processing to design sustainable and circular export market strategies for companies, governments, and global development organizations.



BabylonGardens is an innovation lab for green technologies used in urban spaces. Their portofolio of technologies include solutions for green walls, green roofs and the urban space, specially designed to cater for the needs of the Mediterranean region.



Concrete4Change is developing a technology capable of sequestering significant amounts of CO2 into concrete and reducing the CO2 emissions of concrete up to 60%. Enabling construction and concrete industry to transition from CO2 emitters to CO2 sinks.



Concular is a circular construction startup using intelligent data-based material matching between deconstruction and new construction projects, life cycle assessment, and a comprehensive process for architecture offices, project developers, construction companies and manufacturers.



COSMOS S.A. provides consulting and engineering services on circular economy, environmental management and sustainable development to the private and public sector. Their focus lays in the development of tools and tailored made IoTs in collaboration with research institutes and universities.




Electric Avenue Bikes

Electric Avenue is on the mission to transform the landscape of urban commuting. By providing private e-bike share schemes for companies, employees gain access to electric bikes for daily commute and can use the start-up’s platform to engage with fellow commuters and the team. Life cycle management is also an area of focus.


Era Zero Waste

Era Zero Waste is on the mission to make zero waste easy for everyone, by using technology to bring to life the most sustainable method of consumption. Via its website users can choose next day grocery delivery from sustainable local shops.



Fernhay have developed a range of zero-emission cycling and walking equipment to enable parcels to be delivered across our cities without the need for vans which reduces the environmental impacts of the businesses they supply to and the environments in which they operate.



FixFirst is digitizing circular services and processes in the electronic repairs and maintenance sector. The B2B SaaS startup enables service providers, manufacturers, and retailers to transition to a circular future by creating a world where fixing products comes first.


Positive Carbon

Positive Carbon is using patented food waste sensors and food detection AI, to provide food waste management tools to hotels, restaurants, and cities. By enabling them to develop advanced waste reduction strategies, companies are saving food and increasing their kitchen profits.


River Cycleway Europe

River Cycleway Europe (RCE) addresses some of the most significant social and environmental challenges faced by 21st century cities today. The design innovation company introduces carbon-neutral innovations in sustainable infrastructure for water-based transport systems, affordable housing and localized clean energy generation.




SunCrafter builds and operates smart infrastructure networks for the charging and parking of micro emobility vehicles in urban and regional areas. Stations are grid-independent and powered by (2nd life) solar panels, allowing rapid establishment of agile infrastructure networks, exactly where they are needed.


SuperWheel System

SuperWheel System uses patented ‘Weight (mass) to energy conversion technology” to transform ordinary bicycles to high performance bicycles. Using its innovative pedal assistance without a battery, cyclists can avoid speed limits of typical electric bicycles.




wegozero is a zero waste consultancy supporting companies with their circular and carbon neutral ambitions. With a mission to make zero waste easy, fun & accessible – for everyone, the consultancy also offers free services such as zero-waste maps for consumers.



The Winkt App is a social reality platform that enables small local retailers and gastronomers to connect with potential customers nearby in order to easily provide offers, invitations or no show replacements – direct, fast, efficient.


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