TOKAMAK ENERGY LTD
Company number 07054929 · Monitor this company
Executive summary
Tokamak Energy Ltd presents a classic deep-tech investment profile: significant intellectual ambition backed by sophisticated investors, but characterised by accelerating losses and complete dependence on continued equity fundraising. The available data (terminating at 2017) shows a company burning over £6M annually with no discernible revenue, though post-year-end capital raises confirm ongoing investor support. The critical limitation is the age of financial data; institutional assessment requires current accounts to evaluate whether the loss trajectory has improved and what remaining cash runway exists.
Shareholders' funds
£18,037,471
Balance sheet as at 2017-03-31
Overview
- Company type
- Private Limited Company
- Incorporated
- 2009-10-23
- Employees
- 35 (2017 accounts)
- Registered office
- 173 Brook Drive, Milton Park, Abingdon, Oxfordshire, United Kingdom, OX14 4SD
- Postcode
- OX14 4SD
- Capital
- 5 GBP
- Accounts category
- Group
Accounts
- Last made up to
- 2024-12-31
- Next due by
- 2026-09-30
- Financial year end
- 31 December
Confirmation statement
- Last statement dated
- 2025-10-23
- Next due by
- 2026-11-06
Nature of business (SIC)
- 72190 Other research and experimental development on natural sciences and engineering
Officers 9 current · 18 resigned
Group structure 2 subsidiaries
From persons-with-significant-control filings on the public register.
Licensed visa sponsor
Licensed by the Home Office to sponsor worker visas: Skilled Worker (Worker (A rating)).
Matched by registered name to the register of licensed sponsors (Home Office, updated daily) — check the register itself before relying on it. Contains public sector information licensed under the Open Government Licence v3.0.
Data protection registration
Registered with the ICO as a data protection fee payer — ZB616534 (Tier 2), registered since 2023.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Gender pay gap
3.9%
Women's median hourly pay below men's, 2025/26 · around the middle of the pack for parity
Contact details
- Website
- tokamakenergy.co.uk
Developing the technology to commercialise clean, secure fusion energy and our high temperature superconducting magnet technology.
Previous company names
| Name | Date changed |
|---|---|
| TOKAMAK SOLUTIONS UK LTD | 2014-03-03 |
Previous registered addresses 3
| Address | Changed on |
|---|---|
| 173 173 BROOK DRIVE, MILTON PARK, ABINGDON, OXFORDSHIRE, OX14 4SD, ENGLAND | 2018-12-07 |
| CULHAM INNOVATION CENTRE D5 CULHAM SCIENCE CENTRE, ABINGDON, OXFORDSHIRE, OX14 3DB | 2018-08-06 |
| CULHAM SCIENCE CENTRE D5/O.16, ABINGDON, OXFORDSHIRE, OX14 3DU, UNITED KINGDOM | 2010-09-17 |
Among its peers
Top 5%
by shareholders' funds, of 145 similar companies in OX
Among the biggest employers among its local peers (35 staff).
Trading since 2009.
Competitors Oxford
This company ranks 4 among other research and experimental development on natural sciences and engineering in Oxford.
The class of 2009
23%
of the 523 companies in this sector incorporated in 2009 are still active today; 75% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 1 title
- Leasehold
- 1
- Most recent registration
- 2018-06-11
- Where
- Oxfordshire
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| ON341408 | Oxfordshire | Leasehold | 2018-06-11 | — |
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.