COLAS RAIL LIMITED
Company number 02995525 · Monitor this company
Executive summary
Colas Rail Limited operates as a well-capitalized, Tier 1 infrastructure contractor in the highly regulated UK rail sector, leveraging the financial backing and technical expertise of its ultimate parent, the Bouygues Group. While the broader industry faces headwinds from inflation and the transition to a new Network Rail Control Period, Colas Rail's integrated design-build-maintain model and robust corporate lineage position it favorably to capture emerging opportunities in digital signalling and rail decarbonization. The company's evolution from a regional maintenance provider to a national infrastructure leader underscores its adaptability and competitive resilience in a consolidating market.
Overview
- Company type
- Private Limited Company
- Incorporated
- 1994-11-28
- Registered office
- 25 Victoria Street, London, England, SW1H 0EX
- Postcode
- SW1H 0EX
- Capital
- 10,000 GBP
- Accounts category
- Full
- Charges
- 1 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
- 2026-04-14
- Next due by
- 2027-04-28
Nature of business (SIC)
- 42120 Construction of railways and underground railways
Officers 2 current · 40 resigned
Group structure
Controlled by COLAS RAIL HOLDINGS LIMITED — since 2016-04-06
From persons-with-significant-control filings on the public register.
Public contracts won 1
£16,583,466 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.
Modern slavery statement
Registered a modern slavery statement for 2024 (period to 2023-12-31) — 5 years on the registry.
Read the statement summary on the government modern slavery statement registry. 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 — Z8443072 (Tier 3), registered since 2004.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Gender pay gap
24.5%
Women's median hourly pay below men's, 2025/26 · in the bottom quarter for parity
Contact details
- Website
- colasrail.co.uk
- Phone
- 096480749
Colas Rail delivers expert design, engineering, project management, construction and maintenance solutions across the rail industry.
Previous company names
| Name | Date changed |
|---|---|
| AMEC SPIE RAIL (UK) LIMITED | 2007-06-28 |
| AMEC RAIL LIMITED | 2003-07-23 |
| SOUTH WEST INFRASTRUCTURE MAINTENANCE COMPANY LIMITED | 1996-09-19 |
Previous registered addresses 5
| Address | Changed on |
|---|---|
| DACRE HOUSE, 19 DACRE STREET, LONDON, SW1H 0DJ | 2019-10-25 |
| STEPHENSON HOUSE, 2 CHERRY ORCHARD ROAD, CROYDON, SURREY CR9 6JA | 2007-11-15 |
| SANDIWAY HOUSE LITTLEDALES LANE, HARTFORD, NORTHWICH, CHESHIRE CW8 2YA | 2007-04-17 |
| SANDIWAY HOUSE, HARTFORD, NORTHWICH, CHESHIRE CW8 2YA | 1996-10-16 |
| EUSTON HOUSE, 24 EVERSHOLT STREET, LONDON, NW1 1DZ | 1996-05-01 |
Among its peers
The oldest
of 25 similar companies in SW, trading since 1994
The class of 1994
47%
of the 28,890 companies incorporated in 1994 are still active today; 50% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 10 titles
- Freehold
- 1
- Leasehold
- 9
- Most recent registration
- 2024-07-10
- Where
- Greater London (3), Warwickshire (2), Hampshire (2)
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| CH734004 | Cheshire East | Leasehold | 2024-07-10 | — |
| WK538925 | Warwickshire | Leasehold | 2024-04-29 | — |
| WT422700 | Wiltshire | Leasehold | 2016-06-06 | — |
| HP739308 | Hampshire | Leasehold | 2011-07-25 | — |
| WK366054 | Warwickshire | Freehold | 2008-02-01 | — |
| HP522067 | Hampshire | Leasehold | 1999-04-15 | — |
| TGL123503 | Greater London | Leasehold | 1998-07-15 | — |
| SGL587486 | Greater London | Leasehold | 1996-09-04 | — |
| SGL587487 | Greater London | Leasehold | 1996-09-04 | — |
| ESX215770 | Brighton And Hove | Leasehold | 1996-09-03 | — |
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.
Businesses that transport or deal in waste must register with the Environment Agency. You can check this company on the official register of waste carriers, brokers and dealers.