Launch your sustainable start-up in Brussels

Thinking about starting a green or sustainable business in Brussels? 

Today, more than ever, doing business in Brussels is sustainable, ecological, local and responsible! helps you grow your own sustainable idea into a real business or start-up, in just 6 months! The team of is there to support you with personal coaching, workshops and expert advice.

You provide the idea, we help you grow it into a real sustainable business!

Want to participate in greenlab?

the next call for candidates will take place  in septembre 2022.

ABOUT Greenlab

Kickstart your business

greenlab = a 6 months accelerator programme, providing all the tools you need to launch your own sustainable start-up and allow you to:

  • limit the financial risks and test your project in a real life environment
  • present a professional and convincing business plan to investors
  • acquire sustainable entrepreneurial skills
  • integrate in a broad network of entrepreneurs and experts in sustainable and circular economy

Video: welcome to



The greenlab acceleration program is open to anyone wishing to create a start-up in Brussels in the fields of the environment and the circular economy. The workshops and the trajectory can be combined with a full-time job. The greenlab sessions will take place every Wednesday evening from 6:00 pm to 9:00 pm, from January 12 to June 9, 2022 (excluding school vacations). There will be 3 additional Saturday sessions (from 9.30 to 12.30) and a weekend at the end of January. The training sessions take place at Greenbizz (Rue Dieudonné Lefèvre 17 in 1020 Laeken). A number of sessions may also be held online.

What's in it for me?

At the end of 6 months of coaching, the candidates are invited to come and pitch their project in front of an audience, during the greenlab Grand Finale. Three candidates will be rewarded with a prestigious award: the Prize, the Triodos Prize (2.500 €) and the Public’s Prize.

What are the conditions for joining greenlab?

Is your project rooted in Brussels? Is it innovative and aiming for a positive environmental impact? Is it your objective to ultimately start your own business, to make it grow and to recruit employees? Are you committed to thoroughly and carefully engage for the the full program? Welcome to greenlab!

Am I alone in this adventure?

The 15 selected participants can count on weekly guidance and coaching in order to launch their start-up. The candidates are invited to participate in workshops, brainstorms and personal expert coaching.

How do I apply?

The call for applications is open from September 1 to October 31 2021 (at 23:59 pm).

  1. Fill out the application form (at the top of this page).
  2. Our staff will closely analyse your application, to check whether it meets our criteria for entry into greenlab (this may take a few days).
  3. Selected candidates are asked to send us a short presentation video of their project (of about 1 minute, in a format of their choice) by November 5.
  4. After sending us the short videos, candidates will receive an invitation to attend the greenlab jury event, on Saturday November 20.
  5. The candidates will receive detailed feedback from the jury, between November 22 and November 26.
  6. Selected candidates are welcome to attend our greenlab drink, on Thursday November 25 (in the evening).

And afterwards?

After 6 months of coaching, you will be able to launch your own sustainable start-up. will be there to help you start and grow your business project.

Ludovic van Laethem &Amélie Mertens | greenlab winners 2017

Box Bunny

Ludovic van Laethem &Amélie Mertens | greenlab winners 2017

greenlab is designed to transform ideas and concepts into real businesses. The quality of the speakers, workshops and exchanges with specialists, the entrepreneur and circular economy network...: all of it enabled us to structure the various aspects of our project launch.

Project Coordinator,

Virginie Smans

Project Coordinator,

In addition to quickly testing and validating their idea, greenlab allows entrepreneurs to flourish in their new role and create strong bonds between participants.

Nahla El Mernissi & Imad Moukkat | greenlab winners 2018


Nahla El Mernissi & Imad Moukkat | greenlab winners 2018

The accelerator programme was a real springboard for our team! The fact that we won in 2018 provided us with credibility in the circular economy, in addition to receiving incredible media attention. It’s a unique programme that helped us grow a great deal and progress.

What more do you want?

Do you want to launch your own sustainable start-up and encourage the development of low-carbon production models, a circular and regenerative economy, social and democratic entrepreneurship? Fill in the fields and receive all the information you need to submit your application!