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Private limited company registered in London, classed under “Other engineering activities”.
Headline figures
FY to Dec 2025 · Company only
Turnover
For subscribers
Profit after tax
£1.05m
Net assets
For subscribers
Cash
For subscribers
Employees
For subscribers
Retained reserves
For subscribers
What the numbers say
4 findings from the figures, in plain English
Written by rules from the figures on this page. Not a forecast or a credit opinion.
History
| £ | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Profit after tax | £1.05m | ||||
| Turnover | |||||
| Net assets | |||||
| Cash | |||||
| Employees | |||||
| Retained reserves |
Every figure for all 5 years
“—” means we did not find the figure in a source; it is never filled with an estimate.
Balance sheet and ratios
From the filed balance sheets · £
| Balance sheet | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Fixed assets | ||||
| Current assets | ||||
| of which debtors | ||||
| of which cash | ||||
| Creditors due within a year | ||||
| Net current assets | ||||
| Net assets | ||||
| Ratios | ||||
| Return on equityProfit after tax as a share of net assets | ||||
| Current ratioCurrent assets for every £1 owed within a year | ||||
| Cash ratioCash for every £1 owed within a year | ||||
| Creditors to assetsEverything owed to creditors as a share of fixed plus current assets | ||||
7 balance-sheet lines and 4 ratios, every year
A ratio appears only for years where every line it needs was filed. Lines are as tagged in the accounts; nothing is added up or estimated.
Questions people ask
›What does Thornton Tomasetti Defence do?
Private limited company registered in London, classed under “Other engineering activities”.
›How much turnover does Thornton Tomasetti Defence make?
Answered in the full report
›Is Thornton Tomasetti Defence profitable?
Yes: it made a profit after tax of £1.05m in the year to 31 December 2025, its latest filed accounts.
›How many people work at Thornton Tomasetti Defence?
Answered in the full report
›Where is Thornton Tomasetti Defence based?
Its registered office is 2nd Floor, 12-16 Clerkenwell Road, London, EC1M 5PQ, in London.
›When was Thornton Tomasetti Defence founded?
Thornton Tomasetti Defence Limited was incorporated on 31 May 1989.
›Is Thornton Tomasetti Defence still trading?
The register lists Thornton Tomasetti Defence Limited as active.