Success stories

To reduce the impact of building construction on our environment, Celloz produces roofs made from a bio-based raw material.

For Heyliot (Hey l' IOT - Hey the Internet of Things) a Circular Challenge 2018 finaliste, the competition had a 'snowball effect'. Citeo challenged and supported them as entrepreneurs and developers of an innovative and…

Earthwake, the winner of the 2019 Economy in Transition award, is a non-profit that is developing a solution to turn plastic waste into a source of energy. This highly promising solution also sparked a lot of public enthusiasm at the non-…

Uzer is a Circular Challenge 2017 finalist, developing digital sorting assistance solutions to help consumers select products taking into account sorting and recycling of their packaging.

Winner of the 'Grand Prix' in the 2018 edition, the industrial start-up coming from the university research field, produces a 100% bio based thermoplastic material (based on milk proteins), fully biodegradable, certified home…

This Finnish company, a 2018 international Circular Challenge finalist, has created a material capable of replacing plastic in packaging applications.

Over 5 days, the 10 participating companies learned about materials, consumer behaviour and recyclability.

A 3 day Do Tank to imagine, conceptualise and prototype urban collection and sorting solutions followed by field testing and field experimentation.

Pili is a French bio-technology company whose mission is to develop and produce renewable dyes and pigments for the industry.