Skip to content
Calculus Capital - Rotageek


Rotageek uses cloud-based technology and automatic scheduling to help multi-site businesses manage and schedule staff

Calculus Capital - Wonderhood Studios

Wonderhood Studios

Wonderhood is the creative business founded by former Channel 4 CEO David Abraham and senior partners from the TV production and advertising sectors.

Calculus Capital - Essentia Analytics

Essentia Analytics

Essentia Analytics, a FinTech company, applying behavioural analytics to help professional asset managers make measurably better decisions

Calculus Capital - eConsult


eConsult Health is the leading online consultation provider to the NHS for primary care

Calculus Capital is a pioneer of tax efficient investing, having launched the UK’s first approved EIS Fund in 1999. We offer an opportunity to invest in a portfolio of entrepreneurial UK growth businesses, through our award winning Calculus EIS Fund and Calculus VCT. We invest in the fastest growing sectors of the UK economy – technology, healthcare and creative industries.

Looking to invest?

Learn about the tax-efficient investment opportunities offered by our Calculus EIS Fund and Calculus VCT

Seeking Investment?

We would be delighted to learn about your business and discuss whether Calculus could be a suitable investment partner

Latest News

Screen Daily: What impact is the BFI-endorsed Creative Content EIS Fund having on the UK film production sector?

“Show us your business plan,” John Glencross, CEO and co-founder at private equity outfit Calculus Capital, advises UK independent production companies looking for Calculus investment. “We are interested in entrepreneurs in this sector who want to grow and scale a business of reasonable significance. We’re not interested in people who are [only] in love with … Continued