Calculus Capital is a specialist in creating and managing private equity funds for individuals. Calculus Capital is a pioneer in the tax-efficient industry having set up the UK’s first approved EIS fund in 1999. Since then we have launched 21 EIS funds and 5 VCT share class issues.
The firms focus and investment has remained consistent: building diversified portfolios across a multitude of sectors, of smaller, UK, entrepreneurial growth companies and creating value for our investors through our multi award winning funds. We have provided significant results for our clients either via tax free dividends (for our VCT investors) or tax free capital gains (for our EIS investors).
In addition, we have launched a new fund in June 2019, the UK Creative Content EIS Fund in association with the British Film Institute.
Calculus Capital is authorised and regulated by the Financial Conduct Authority.
The firms focus and investment has remained consistent: building diversified portfolios across a multitude of sectors, of smaller, UK, entrepreneurial growth companies and creating value for our investors through our multi award winning funds. We have provided significant results for our clients either via tax free dividends (for our VCT investors) or tax free capital gains (for our EIS investors).
In addition, we have launched a new fund in June 2019, the UK Creative Content EIS Fund in association with the British Film Institute.
Calculus Capital is authorised and regulated by the Financial Conduct Authority.
Location: United Kingdom, England, London
Employees: 11-50
Founded date: 1999
Portfolio 5
| Date | Name | Website | Total Raised | Location |
| 06.10.2025 | Trogenix | trogenix.com | $94.43M | United Kin... |
| 28.08.2025 | EnsiliTech | ensilitech.com | $7.18M | United Kin... |
| 08.09.2022 | Optalitix | optalitix.com | $7.62M | - |
| 07.02.2018 | Open Energ... | openenergymarket.com | $4.16M | United Kin... |
| 09.01.2017 | Jumptastic | jumptastic.uk | $3.73M | United Kin... |
News 332
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Mentions in press and media 35
| Date | Title | Description |
| 06.11.2025 | DIGIT Deal Roundup | October 2025 | Welcome to October 2025’s DIGIT Deal Roundup. Christmas came very early for a raft of Scottish firms last month, with tens of millions in fresh investment targeting Scotland’s medtech stars, robot builders, EV makers, and agri-tech innovato... |
| 13.10.2025 | Trogenix: $95 Million Series A Closed For Advancing Clinical Development Of Curative Cancer Therapies | Trogenix, a biotech company dedicated to developing innovative therapies for cancer treatment, announced the closing of its Series A financing round at £70 million (approximately $95 million). This funding will accelerate the development of... |
| 07.10.2025 | Precision Oncology Pioneer Trogenix Secures Landmark €80M Series A for Curative Cancer Fight | Trogenix, an Edinburgh-based biotech, secured a monumental €80 million Series A funding. This capital empowers its pursuit of curative cancer treatments for aggressive solid tumors. The firm's Odysseus platform uses advanced gene control an... |
| 06.10.2025 | Edin Uni Spinout Trogenix Raises £70M to Treat Aggressive Cancers | University of Edinburgh spinout Trogenix, which is developing curative therapies for aggressive, treatment-resistant cancers, has completed Series A financing of £70 million. The funding will allow the biotech company to rapidly advance its... |
| 06.10.2025 | Edinburgh-based BioTech Trogenix lands €80 million to accelerate curative cancer treatments | Trogenix Ltd, a Scottish BioTech company dedicated to innovative cancer therapies, announced the completion of its Series A financing, raising €80 million, to advance its pipeline of potentially curative cancer therapies across multiple agg... |
| 29.08.2025 | EnsiliTech Secures €5.2M to Revolutionize Global Medicine Transport | EnsiliTech, a Bristol-based biotech pioneer, just closed a significant €5.2 million seed funding round. This capital injection accelerates its patented Ensilication technology. This innovation eliminates the outdated, expensive cold chain. ... |
| 28.08.2025 | Calculus invests in EnsiliTech as part of £4.5M raise | - |
| 28.08.2025 | EnsiliTech raises £4.5M to advance medicine formulation | Bristol-based biotechnology startup EnsiliTech has raised its second oversubscribed funding round, securing £4.5 million in seed funding to improve the way life-saving medicines are stored and transported globally. Today’s biopharmaceutical... |
| 28.08.2025 | British BioTech startup EnsiliTech raises €5.2 million to cut cold-chain costs in biopharma transport | EnsiliTech, a Bristol-based BioTech startup, has secured €5.2 million in Seed funding to revolutionise the way life-saving medicines are stored and transported globally. The round was led by Eos Advisory and joined by Calculus Capital, Empi... |
| 24.09.2024 | Invizius Secures £950K to Revolutionize Dialysis Treatment | In the heart of Edinburgh, a biotech company is on the brink of a breakthrough. Invizius has raised £950,000 in funding, a crucial step toward transforming dialysis treatment. This funding round, led by Mercia Ventures, is a beacon of hope ... |
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