THORNTON TOMASETTI DEFENCE LIMITED
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Cash
£1.1m
+392.6% highest in 6 filed years
Net assets
£4.9m
+27.2% highest in 6 filed years
Employees
42
+10.5% highest in 6 filed years
Profit before tax
£1.4m
+37% vs 2024
Net assets
6-year trend · vs Industrials median
Accounts
6-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|---|---|---|---|
| Turnover | — | — | — | — | £6,964,020 | £7,527,863 | +8.1% | |
| Operating profit | — | — | — | — | £1,052,911 | £1,442,953 | +37% | |
| Profit before tax | — | — | — | — | £1,052,911 | £1,442,953 | +37% | |
| Net profit | £52,881 | -£11,938 | £424,743 | £37,750 | £819,345 | £1,054,802 | +28.7% | |
| Cash | £466,904 | £110,517 | £173,158 | £57,075 | £229,659 | £1,131,354 | +392.6% | |
| Total assets less current liabilities | £2,626,645 | £2,669,292 | £3,130,961 | £3,165,163 | £4,016,440 | £5,071,242 | +26.3% | |
| Net assets | £2,609,587 | £2,597,649 | £3,022,392 | £3,060,142 | £3,879,487 | £4,934,289 | +27.2% | |
| Equity | £2,609,587 | £2,597,649 | £3,022,392 | £3,060,142 | £3,879,487 | £4,934,289 | +27.2% | |
| Average employees | 28 | 30 | 35 | 37 | 38 | 42 | +10.5% | |
| Wages | — | — | — | — | — | — | — | |
| Directors' remuneration | — | — | — | — | — | — | — |
Values shown as filed in the company's annual accounts. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|---|---|---|
| Operating margin | — | — | — | — | 15.1% | 19.2% | |
| Net margin | — | — | — | — | 11.8% | 14.0% | |
| Return on capital employed | — | — | — | — | 26.2% | 28.5% | |
| Current ratio | — | — | — | — | 2.02x | 2.72x |
Margins divide P&L lines by turnover. Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.
Name history
Renamed 1 time since incorporation
- THORNTON TOMASETTI DEFENCE LIMITED 2015-10-01 → present
- WEIDLINGER ASSOCIATES LIMITED 1989-05-31 → 2015-10-01
Audit & accounting basis
- Accounting basis
- FRS 102 §1A
- Reporting scope
- Consolidated group
- Abridged
- Yes — abridged accounts (limited disclosure)
- Auditor
- Saffery LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The financial statements are prepared on a going concern basis. The directors have taken into consideration forecasts produced that take into account the impact of the current economic climate on both the company and the sectors it operates in. The conclusion of the directors is that they still have a reasonable expectation the company will continue in operational existence for the foreseeable future.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
5 active · 8 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| HALL, Corrina Carmel | Secretary | 2011-04-01 | — | — |
| DIMAGGIO, Peter Domenic | Director | 2022-07-15 | Sep 1970 | American |
| FERGUSON, Alan Thomas | Director | 2025-09-30 | Jan 1978 | British |
| PANARIELLO, Gary Francis | Director | 2022-07-15 | May 1963 | American |
| WYSE, Saffron Gale | Director | 2025-09-30 | Feb 1981 | British |
Show 8 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| LEVY, Matthys Paul | Secretary | — | 1999-06-30 |
| MISSELBROOK, Nicolas Karl | Secretary | 2006-09-13 | 2011-04-01 |
| JORDAN COMPANY SECRETARIES LIMITED | Corporate Nominee Secretary | 1999-06-30 | 2006-09-13 |
| DADDAZIO, Raymond Peter | Director | 1999-06-30 | 2022-07-15 |
| KIRMANI, Minhaj | Director | — | 1999-06-30 |
| LEVY, Matthys Paul | Director | — | 1999-06-30 |
| MISSELBROOK, Nicolas Karl | Director | 2022-07-15 | 2025-09-30 |
| THOMPSON, Phillip Rowland | Director | 1999-06-30 | 2025-09-30 |
Ownership
Persons with significant control
Filing timeline
Last 20 of 132 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-07-27 | AA | accounts | Accounts with accounts type full | |
| 2025-09-30 | TM01 | officers | Termination director company with name termination date | |
| 2025-09-30 | TM01 | officers | Termination director company with name termination date | |
| 2025-09-30 | AP01 | officers | Appoint person director company with name date | |
| 2025-09-30 | AP01 | officers | Appoint person director company with name date | |
| 2025-09-02 | AA | accounts | Accounts with accounts type small | |
| 2025-08-27 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-08-29 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-07-30 | AA | accounts | Accounts with accounts type small | |
| 2023-09-22 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-09-01 | AA | accounts | Accounts with accounts type small | |
| 2022-12-01 | AD01 | address | Change registered office address company with date old address new address | |
| 2022-08-25 | AA | accounts | Accounts with accounts type small | |
| 2022-08-22 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2022-07-18 | TM01 | officers | Termination director company with name termination date | |
| 2022-07-18 | AP01 | officers | Appoint person director company with name date | |
| 2022-07-18 | AP01 | officers | Appoint person director company with name date | |
| 2022-07-18 | AP01 | officers | Appoint person director company with name date | |
| 2021-08-20 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2021-05-19 | AA | accounts | Accounts with accounts type small |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 7
- Capital events
- 0
- Officers appointed
- 2
- Officers resigned
- 2
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.