

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.


App that fights food waste: buy unsold meals and save food (and money)

App that fights food waste: buy unsold meals and save food (and money)


We transform worn-out garments into injection-mouldable materials for durable products. Our FiberBatch pellets are made from 100% recycled fibers and offer an easy drop-in solution that works with many polymers.

We transform worn-out garments into injection-mouldable materials for durable products. Our FiberBatch pellets are made from 100% recycled fibers and offer an easy drop-in solution that works with many polymers.


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.


Upcycling fashion studio that creates social value in Hamburg.


Your one-stop solution for sustainable office transformations, achieving an 80% reutilization rate for interior objects and furnishing your space with high-end second-life furniture.

Your one-stop solution for sustainable office transformations, achieving an 80% reutilization rate for interior objects and furnishing your space with high-end second-life furniture.


Through their online-shop, reBuy buys and sells pre-owned electronics and media articles. They operate in seven European countries.

Through their online-shop, reBuy buys and sells pre-owned electronics and media articles. They operate in seven European countries.


HALM is an innovator of sustainable, glass straws that are 100% reusable and operate in a Circular economy. They want to bring more taste into your drinks and less waste into the environment!

HALM is an innovator of sustainable, glass straws that are 100% reusable and operate in a Circular economy. They want to bring more taste into your drinks and less waste into the environment!


Calculate your carbon footprint in just 5 minutes.

Offers flexible subscription-based workspace furniture with no upfront investment or long-term commitment. Built on circularity, each piece is reused, maintained & refurbished to extend its life for the good of business, people, and the planet.

Offers flexible subscription-based workspace furniture with no upfront investment or long-term commitment. Built on circularity, each piece is reused, maintained & refurbished to extend its life for the good of business, people, and the planet.

German part of the global campaign to address the origin of our clothing.

Our motto: Working together for zero waste. Together for genuine circularity.
Germany‘s leading Kids products and bike repair and refurbishment B2B service provider for ReCommerce and RentCommerce Provider.

University of applied science. Teach a dedicated Circular Economy course covering waste prevention, circular product design, reverse logistics, sharing/leasing/product-as-a-service, digital product passports and circular business models. betrieb

The Responsibile eyewear alliance, Connecting vision to action

Co-Working community to promote urban and social change.

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

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.

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.
personal lifestyle training app for sustainable living

A platform that informs the population about abuses in the clothing industry.

The non-profit association Hanseatic Help supports people in need, as well as charity associations, organizations and initiatives in Hamburg and the world.

Local sustainability initiative in Franconia.

Student network for ethics in economics and practice.
Fab City Hamburg is implementing the Fab City Vision 2054 in Hamburg – locally, circularly, and digitally.
Circular Monday is a global non-profit initiative to normalize circular consumption.
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