COSTAIN LIMITED
Company number 00610201 · Monitor this company
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Overview
- Company type
- Private Limited Company
- Incorporated
- 1958-08-25
- Registered office
- Seventh Floor, 70 St Mary Axe, London, United Kingdom, EC3A 8BE
- Postcode
- EC3A 8BE
- Capital
- 3,892,858 GBP
- Accounts category
- Full
- Charges
- 6 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
- 2026-01-10
- Next due by
- 2027-01-24
Nature of business (SIC)
- 42110 Construction of roads and motorways
- 42130 Construction of bridges and tunnels
- 42910 Construction of water projects
- 42990 Construction of other civil engineering projects not elsewhere classified
Officers 11 current · 52 resigned
Group structure 14 subsidiaries
Controlled by COSTAIN CIVIL ENGINEERING LIMITED — since 2016-04-06
-
ABC ELECTRIFICATION LTD Dissolved
-
EPC OFFSHORE LTD Dissolved
-
PROMANEX GROUP HOLDINGS LIMITED Dissolved
Showing 12 of 14.
From persons-with-significant-control filings on the public register.
Public contracts won 14
£13,275,026,887 total awarded value where published.
Showing the 5 most recent of 14.
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 2026 (period to 2025-12-31) as part of the COSTAIN GROUP PLC group statement — 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 — Z6011765 (Tier 3), registered since 2001.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Gender pay gap
55.8%
Women's median hourly pay below men's, 2024/25
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 |
|---|---|
| COSTAIN CIVIL ENGINEERING LIMITED | 1999-06-24 |
Previous registered addresses 2
| Address | Changed on |
|---|---|
| COSTAIN HOUSE, NICHOLSONS WALK, MAIDENHEAD, BERKSHIRE, SL6 1LN | 2008-03-19 |
| 111 WESTMINSTER BRIDGE RD, LONDON SE1 7HR | 1999-06-21 |
Among its peers
The oldest
of 46 similar companies in EC, trading since 1958
Property in England & Wales 21 titles
- Freehold
- 8
- Leasehold
- 13
- Most recent registration
- 2025-12-19
- Where
- North Somerset (7), Cornwall (3), Blaenau Gwent (3)
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| CL392989 | Cornwall | Freehold | 2025-12-19 | — |
| CL383848 | Cornwall | Freehold | 2024-05-14 | — |
| AGL614802 | Greater London | Leasehold | 2024-02-01 | — |
| MAN401136 | Greater Manchester | Leasehold | 2022-05-18 | — |
| CL366879 | Cornwall | Freehold | 2021-11-01 | — |
| CYM783717 | Blaenau Gwent | Freehold | 2019-09-17 | — |
| ST349982 | North Somerset | Leasehold | 2019-01-11 | — |
| ST349350 | North Somerset | Leasehold | 2018-12-14 | — |
| ST349351 | North Somerset | Leasehold | 2018-12-14 | — |
| CYM753037 | Monmouthshire | Freehold | 2018-09-28 | — |
| ST345401 | North Somerset | Leasehold | 2018-06-25 | — |
| ST345406 | North Somerset | Leasehold | 2018-06-25 | — |
| ST345407 | North Somerset | Leasehold | 2018-06-25 | — |
| ST345408 | North Somerset | Leasehold | 2018-06-25 | — |
| DU364643 | Darlington | Leasehold | 2017-10-18 | — |
| YY74810 | West Yorkshire | Leasehold | 2016-10-27 | — |
| CYM683480 | Blaenau Gwent | Freehold | 2016-06-21 | — |
| CYM682569 | Blaenau Gwent | Freehold | 2016-06-09 | — |
| NN337305 | West Northamptonshire | Leasehold | 2016-01-26 | — |
| NN333977 | West Northamptonshire | Leasehold | 2015-09-02 | — |
Showing 20 of 21.
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.