COSTAIN GROUP PLC
Company number 01393773 · Monitor this company
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Overview
- Company type
- Public Limited Company
- Incorporated
- 1978-10-12
- Registered office
- Seventh Floor, 70 St Mary Axe, London, United Kingdom, EC3A 8BE
- Postcode
- EC3A 8BE
- Capital
- 2 GBP
- Accounts category
- Group
Accounts
- Last made up to
- 2025-12-31
- Next due by
- 2027-06-30
- Financial year end
- 31 December
Confirmation statement
- Last statement dated
- 2026-02-20
- Next due by
- 2027-03-06
Nature of business (SIC)
- 42110 Construction of roads and motorways
- 70100 Activities of head offices
- 71129 Other engineering activities
Officers 14 current · 33 resigned
Group structure 7 subsidiaries
-
C. G. NOMINEES LIMITED Dissolved
From persons-with-significant-control filings on the public register.
Public contracts won 1
£200,000 total awarded value where published.
Contains public sector information licensed under the Open Government Licence v3.0 (Contracts Finder).
Modern slavery statement
Registered a modern slavery statement for 2026 (period to 2025-12-31) — 7 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 — Z7447824 (Tier 3), registered since 2002.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Gender pay gap
23.35%
Women's median hourly pay below men's, 2025/26 · in the bottom quarter for parity
Contact details
- Website
- costain.com
- Phone
- 02075835000, 01224531400, 01619103444
Costain helps to improve people’s lives through smart infrastructure solutions to meet urgent national needs across the UK’s energy, water and transportation infrastructures.
Previous company names
| Name | Date changed |
|---|---|
| TRUSHELFCO (NO. 192) LIMITED | 1978-12-31 |
Previous registered addresses 2
| Address | Changed on |
|---|---|
| COSTAIN CIVIL ENGINEERING LTD, COSTAIN HOUSE, NICHOLSONS WALK, MAIDENHEAD, BERKSHIRE, SL6 1LN | 2008-03-19 |
| 1 WESTMINSTER BRIDGE ROAD, LONDON, SE1 7UE | 1999-04-18 |
Among its peers
3rd oldest
of 45 similar companies in EC, trading since 1978
The class of 1978
51%
of the 8,636 companies incorporated in 1978 are still active today; 42% have since been dissolved.
A fact about the year, not a forecast for this company.
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.