

Grandma Klara - An online shop that sells fashion and products from Grandma's good old days like reusable coffee filters.

Grandma Klara - An online shop that sells fashion and products from Grandma's good old days like reusable coffee filters.


International innovation partner for environmentally-friendly products, buildings & processes. Advising on Circular Economy solutions powered by Cradle to Cradle.


Gingerbread from Nuremberg in plastic free packaging.


B2B-Plattform für den Kauf und Verkauf gebrauchter Land- und Baumaschinen sowie Nutzfahrzeuge.

B2B-Plattform für den Kauf und Verkauf gebrauchter Land- und Baumaschinen sowie Nutzfahrzeuge.

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Get help with everything from pickup of recycling goods to home delivery of second-hand items.

Get help with everything from pickup of recycling goods to home delivery of second-hand items.


Certified organic, sustainable and fair fashion brand.


An online platform where former brides can list and future brides can find their preloved wedding dress.

An online platform where former brides can list and future brides can find their preloved wedding dress.


BOIDEL offers a circular system for shopping bags with a deposit system to reduce waste and to help stores and delivery services comply with upcoming EU regulations to become more circular.

BOIDEL offers a circular system for shopping bags with a deposit system to reduce waste and to help stores and delivery services comply with upcoming EU regulations to become more circular.


We sell premium quality green IT to businesses, supporting them in operating more sustainably by reducing CO2 emissions and e-waste.

We sell premium quality green IT to businesses, supporting them in operating more sustainably by reducing CO2 emissions and e-waste.

ToysReloved is a circular platform that gives pre loved toys a second life, helping families save money, reduce waste, and make sustainable choices easy and accessible.

ToysReloved is a circular platform that gives pre loved toys a second life, helping families save money, reduce waste, and make sustainable choices easy and accessible.


Mädchenflohmarkt is the marketplace for quality secondhand designer and vintage fashion including clothes, shoes, bags and accessories.

Mädchenflohmarkt is the marketplace for quality secondhand designer and vintage fashion including clothes, shoes, bags and accessories.

Student network for ethics in economics and practice.

The Surfrider Foundation Europe Germany e.V. is dedicated to the protection and enjoyment of the world’s ocean, waves and beaches, for all people, through a powerful activist network.

A platform that informs the population about abuses in the clothing industry.
personal lifestyle training app for sustainable living

The non-profit association Hanseatic Help supports people in need, as well as charity associations, organizations and initiatives in Hamburg and the world.
Germany‘s leading Kids products and bike repair and refurbishment B2B service provider for ReCommerce and RentCommerce Provider.

Our motto: Working together for zero waste. Together for genuine circularity.

Local sustainability initiative in Franconia.

The Exponential Roadmap Initiative empowers organizations to accelerate climate action, e.g. with its Circular Action Guide, providing practical steps to scale circular solutions and cut emissions in half by 2030.

Organises clean-ups in Hamburg to prevent trash from entering the ocean.

Co-Working community to promote urban and social change.

German part of the global campaign to address the origin of our clothing.
Fab City Hamburg is implementing the Fab City Vision 2054 in Hamburg – locally, circularly, and digitally.

Circular Monday is a non-profit initiative to normalize circular consumption, previously
called White Monday.
hello@circularmonday.com
We're building the world's largest database for circular businesses.
Fill in this form if you;
1. Want to leave a tip us about a circular business (no logotype needed).
2. Work at a company and you want your business to be exposed in our database, with logotype.
Regardless if you're uploaded or not, you can spread the word by posting with the hashtag #circularmonday on November 22nd.

