About
We focus on companies driving innovation, advancing healthcare, and creating jobs and opportunities throughout the country.
Calculus is a pioneer of EIS, having created the first UK-approved EIS fund in 1999. Since then, we have gone on to launch a generalist EIS Fund every year and multiple VCT share issues, and in October 2022 we launched our first Knowledge Intensive EIS Fund.
We have built a strong reputation as an investor in EIS and VCT Qualifying Companies through our multi-award-winning Calculus EIS Funds and the Calculus VCT. Our focus on capital appreciation, a diligent investment and monitoring process and our record of profitable exits distinguishes us from other EIS and VCT fund managers.
Investment criteria
Pre-seed
—
Seed
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Series A
Invests
Series B
Invests
Growth
Invests
- Sectors
- Healthcare & Life SciencesFintechVenture Capital & Private Equity
- Geographies
- United Kingdom
- Round role
- Leads and co-leads rounds
Highlights
Highlights coming soon
Notable work and milestones will show up here.

