An Early-Stage Venture Capital Fund

Building and Growing Technology Companies

Stemming From The UK’s Research Base


The Rainbow Seed Fund is backed by the Department for Business, Innovation and Skills and the Fund’s partners are 9 publicly funded research bodies, including STFC, BBSRC, NERC and Dstl. The Fund is independently managed by venture capital specialist Midven.

We help build companies from great science developed in laboratories, science and technology campuses and synthetic biology.

We hold investments in some of the UK’s most innovative companies, in areas as diverse as novel antibiotics, research into Alzheimer’s disease, “green” chemicals and airport security.



News and Updates

Latest News

Unusual pioneering procedure to treat life-threatening gut infection being carried...

... microbiota transplant – which has been made possible thanks to partnership work between...

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Finance Manager

FINANCE MANAGER Salary circa £37,500 per annum. We are seeking to appoint a Finance...

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Latest Tweets



A Discussion with Mark White Investment Director Rainbow Seed Fund

Mark White, BA, MBA, is Midven’s investment director and is an investment committee member...

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Oliver Sexton Speaking at Innovation in Synthetic Biology (11 October)

On 11 October in London, Rainbow Seed Fund Investment Director Oliver Sexton will be...

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