TSL LIMITED
Company number 04492402 · Monitor this company
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Shareholders' funds
£56,068
Balance sheet as at 2025-12-31
What it does
The principal activity of the Company, in the period under review, was that of a technical construction and
The company's own description, from its latest filed accounts.
Overview
- Company type
- Private Limited Company
- Incorporated
- 2002-07-23
- Employees
- 372 (2025 accounts · was 252 in 2024)
- Registered office
- Chalfont Park House, Chalfont Park, Gerrards Cross, Buckinghamshire, England, SL9 0DZ
- Postcode
- SL9 0DZ
- Capital
- 1,000 GBP
- Accounts category
- Full
- Charges
- 2 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
- 2026-07-23
- Next due by
- 2027-08-06
Nature of business (SIC)
- 71121 Engineering design activities for industrial process and production
Officers 6 current · 4 resigned
Group structure
Controlled by TONROE GROUP LIMITED — since 2016-04-06
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 — ZB453445 (Tier 2), registered since 2022.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Political donations 1
£10,000 in registered political donations since 2020.
-
Conservative and Unionist Party
Source: the Electoral Commission's register of donations — this company's full record, Open Government Licence v3.0.
Gender pay gap
37.76%
Women's median hourly pay below men's, 2025/26 · in the bottom 10% for parity
Contact details
- Website
- http://www.tslprojects.com
Previous company names
| Name | Date changed |
|---|---|
| TSL PROJECTS LIMITED | 2018-11-29 |
| EXCLUSIVE PREVIEW LIMITED | 2003-09-04 |
Previous registered addresses 5
| Address | Changed on |
|---|---|
| 24-26 CHAPEL STREET, MARLOW, BUCKINGHAMSHIRE, SL7 1DD | 2017-09-05 |
| 24-26 CHAPLE STREET, MARLOW, BUCKINGHAMSHIRE, SL7 1DD, ENGLAND | 2012-09-06 |
| 5 LAKE END COURT, TAPLOW ROAD, TAPLOW, MAIDENHEAD, SL6 0JQ | 2012-01-13 |
| RUSSELL SQUARE HOUSE, 10-12 RUSSELL SQUARE, LONDON, WC1B 5LF | 2004-03-15 |
| DERNGATE MEWS, DERNGATE, NORTHAMPTON, NN1 1UE | 2003-09-27 |
Among its peers
The largest employer
of 30 similar companies in SL, with 372 staff. Among the oldest 25% of its local peers.
Competitors Slough
This company ranks 12 among engineering design activities for industrial process and production in Slough.
The class of 2002
39%
of the 122,927 companies incorporated in 2002 are still active today; 58% 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
- 2017-07-10
- Where
- Buckinghamshire
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| BM415763 | Buckinghamshire | Leasehold | 2017-07-10 | — |
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.