Investor

Calculus Capital

UK investment manager running tax-efficient EIS funds and a VCT in growth businesses

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TrustList summary

Calculus Capital is a investment manager in the UK that specialises in tax-efficient investing. It launched an approved EIS fund in 1999, which it describes as the first in the UK.

Services

Calculus EIS Funds: portfolios of entrepreneurial UK growth businesses for tax-efficient investors.
Calculus VCT: a venture capital trust investing in similar companies.
Growth capital for companies: the firm invites businesses to discuss whether it could be an investment partner.

Clients

It invests in UK growth companies in technology, healthcare and creative industries. Portfolio examples include Rotageek, a staff scheduling platform, Invizius, a biotechnology company, eConsult Health, an online consultation provider to the NHS, and Arctic Shores, a psychometric assessment provider.

Key facts

Based in: United Kingdom
Fund launch: 1999, the first approved EIS fund it cites
Sectors: technology, healthcare and creative industries

Summary written by TrustList from the business's own published information, Oct 2026.

Gallery

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Categories & features

Rankings

Calculus Capital is ranked on 1 TrustList ranking at #40.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Calculus Capital has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Investor · 1 ranking

#40of 92
Healthtech investors
Of the top 62 here, 17 also cover artificial intelligence and 13 also cover partners; 14 also work in New York City and 12 also work in London.
Behind Breyer Capital, ahead of Calibrate Ventures.

As of 2026-11-02. Organic ranks only; sponsored placements are never ranks. How TrustList ranks