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Rockstart supports startups in becoming scalable by providing them with access to the market, capital, expertise, and community.

Since its founding in 2011, Rockstart has invested in more than 200 startups, which have gone on to raise more than €89 million and hire more than 700 people.

Rockstart is an accelerator in Amsterdam that focuses on helping entrepreneurs take their companies from early traction to the global market in six months. Founded 2011 in Amsterdam, Noord-Holland, The Netherlands by Bjorn Brekel, Don Ritzen, James Digby, Koen Wagemakers, Oscar Kneppers, and Rune Theill, it invests in seed, series A, angel, and pre-seed rounds. Its portfolio companies include Whatagraph, Unless, Sympower, Tractor Junction, and Fibersail. As of March 2020, Rockstart Accelerator has made 128 investments. Their most recent investment was on September 16, 2019 with Tractor Junction. Rockstart Accelerator has had nine exits, the most notable of which include Wercker, Syndy, and Codeplace. The company has raised a single venture fund, Fund I. This fund was announced on January 15, 2020 and raised a total of €18M.

Portfolio companies


January 2020
Rockstart raises a $20,200,000 venture round.

Funding rounds

Accelerator batches


Further reading

Documentaries, videos and podcasts



Dan Taylor
May 4, 2021
Exceeding their final target, Amsterdam-based accelerator Rockstart has closed its AgriFood fund at €22+ million. Vaekstfonden's Green Future Fund and longtime Rockstart supporters Marcel Beemsterboer, Jasper de Rooij, Hans Maltha all continued their investments in the project. New investors include Joke Pronk and dairy cooperative Arla Foods. This healthy new harvest of funds will allow Rockstart [...]
Robin Wauters
April 9, 2021
Green tech? Cleantech? Impact tech? Sustainability tech? Whatever you want to call it, there is a global shift underway in the world of startups, investors and policymakers alike, to increasingly support the creation and scaling of innovative technologies to tackle the immense problems that are (and will be) caused by climate change and other factors. [...]
Rebecca Bellan
February 12, 2021
Investment in European eco-friendly startups doubled last year, with renewable energy as one of the leading sectors.
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