Calculus Capital

General contacts
Investor type

VC / PE

Founded

1999

AUM

$7 000 M

Location

London, England, United Kingdom

Investment Ticket

$1-5 m

Investment Stage

Series B Series A Seed Late Stage (Series C+)

Region of investment

Europe
Investor profile last updated: 16 August, 2026

Profile

Calculus Capital is a venture capital and private equity investor based in the UK. The firm focuses on high-growth potential companies across technology, healthcare, and creative industries. With a team of experienced professionals, Calculus Capital is known for backing innovators, experts, and game-changers in these sectors. The firm also provides tax-efficient investment solutions, such as the EIS, KI EIS, VCT, and ITS funds.

Calculus Capital invests in a range of sectors, including technology, healthcare, and entertainment, often backing companies driving innovation within the UK. Its typical investment size ranges between $1-5 million. Their total assets under management include the Calculus EIS Fund, Calculus KI EIS Fund, Calculus VCT, and Calculus ITS, aimed at delivering long-term growth while offering investor tax reliefs in the UK.

Notable companies in their portfolio include Wonderhood Studios - a UK-based advertising and entertainment firm, Booked It - a provider of marketing and CRM solutions, Ensilitech - specializing in biological molecule stabilization, Laverock Therapeutics - a gene regulation platform, and Edify - an AI-powered operations platform for hospitality.

Industry

Business Services (B2B) Consumer Services (B2C) Digital Electronics Financial Services Fintech Food and Beverage Foodtech Healthcare Services IT Services Marketing and Advertising Media and Entertainment Medical Devices Robotics SaaS Software Sports/SportsTech AI MedTech Technology Life Sciences HealthTech Energy CleanTech

Calculus Capital Funds

Name Type
Questionare
Industry
Questionare
Stage
Questionare
Region 		Size AUM Launch date
Calculus EIS Fund
Venture Capital (VC)
Healthcare Services
SaaS
Technology
Energy
CleanTech
Pre-seed
Seed
Europe
$5-10 m
—
August 1999

Contacts

Name
Title
Email
Social Networks
avatar
John Glencross CEO and Co-Founder
CEO and Co-Founder
j•••@•••
avatar
Susan McDonald Chairman and Co-Founder
Chairman and Co-Founder
s•••@•••
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Investment-team contacts for Calculus Capital — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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FAQs about Calculus Capital

Calculus Capital is a venture capital and private equity firm. It backs companies at Series B, Series A, Seed and Late Stage (Series C+), writing tickets of $1-5 m.
Calculus Capital is located in London, England, United Kingdom.
Calculus Capital was founded in 1999.
Calculus Capital invests in companies and startups in Business Services (B2B), Consumer Services (B2C), Digital, Electronics, Financial Services, Fintech, Food and Beverage, Foodtech, Healthcare Services, IT Services, Marketing and Advertising, Media and Entertainment, Medical Devices, Robotics, SaaS, Software, Sports/SportsTech, AI, MedTech, Technology, Life Sciences, HealthTech, Energy, CleanTech.
Calculus Capital invests in companies and startups in Europe.
Calculus Capital invests in companies and startups at Series B, Series A, Seed, Late Stage (Series C+).
Calculus Capital usually invests $1-5 m on average.
Calculus Capital has around $7 000m assets under management.
Calculus Capital last fund was created/launched in 1999-08-10
Calculus Capital can be reached through its website calculuscapital.com, its LinkedIn page and its X account. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for Calculus Capital — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query Calculus Capital directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 16 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.