THORNTON TOMASETTI LIMITED
Company number 05888655 · Monitor this company
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Shareholders' funds
£4,850,490
Balance sheet as at 2025-12-31
What it does
The principal activity of the company continued to be that of the provision of structural engineering consulting services.
The company's own description, from its latest filed accounts.
Overview
- Company type
- Private Limited Company
- Incorporated
- 2006-07-27
- Employees
- 77 (2025 accounts · was 66 in 2024)
- Registered office
- 2nd Floor 12-16 Clerkenwell Road, London, England, EC1M 5PQ
- Postcode
- EC1M 5PQ
- Capital
- 500 GBP
- Accounts category
- Full
- Charges
- 0 outstanding
Accounts
- Last made up to
- 2025-12-31
- Next due by
- 2027-09-30
- Financial year end
- 31 December
Confirmation statement
- Last statement dated
- 2026-08-09
- Next due by
- 2027-08-23
Nature of business (SIC)
- 71111 Architectural activities
- 71129 Other engineering activities
Officers 6 current · 15 resigned
Public contracts won 2
£266,500 total awarded value where published.
Contains public sector information licensed under the Open Government Licence v3.0 (Contracts Finder).
Licensed visa sponsor
Licensed by the Home Office to sponsor worker visas: Global Business Mobility: Senior or Specialist Worker (Worker (A rating)), 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 — ZB229866 (Tier 2), registered since 2021.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Contact details
- Website
- thorntontomasetti.com
We apply scientific and engineering principles to solve the world’s challenges — starting with yours.
Previous company names
| Name | Date changed |
|---|---|
| POSTAWA DE HOOG LIMITED | 2007-02-23 |
Previous registered addresses 1
| Address | Changed on |
|---|---|
| 3 TAPESTRY COURT, 99 MORTLAKE HIGH STREET, LONDON, SW14 8HJ | 2011-07-07 |
Among its peers
Top 5%
by shareholders' funds, of 470 similar companies in EC
Among the biggest employers among its local peers (77 staff).
Among the oldest 25% of its local peers, trading since 2006.
No.7 of the largest architectural activities companies in London →
Competitors London
This company ranks 7 among architectural activities in London.
The class of 2006
49%
of the 712 companies in this sector incorporated in 2006 are still active today; 48% 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
- 2022-07-07
- Where
- Greater London
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| AGL569891 | Greater London | Leasehold | 2022-07-07 | — |
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.