Costain
ActiveRegistered as Costain Group PLC
Data to 4 Nov 2026, 02:03
- Company number
- 01393773
- Sector
- Property, construction and proptech
- SIC group
- Property and construction
- Region
- London (London)
- Incorporated
- 12 Oct 1978
- SIC codes
- 42110, 70100, 71129
- Trading name
- Costain
- Website
- costain.com Legal name and address on the site, checked 19 Oct 2026
Costain has 1 priced round on record from share allotment filings at Companies House. The latest was allotted on 23 Oct 2026, raised £1.18m, and was filed on 27 Oct 2026. Data to 3 Nov 2026.
1
Priced rounds
Allotted Oct 2026
£1.18m
Cash raised in those rounds
Sum of sterling cash raised in each round, as filed
23 Oct 2026
Latest round allotted
Filed 27 Oct 2026
Jump to
Funding rounds
Priced equity rounds read from share allotment filings at Companies House, newest first.
| Allotted | First filed | Cash raised | Filing |
|---|---|---|---|
| 23 Oct 2026Latest | 27 Oct 2026 | £1.18m | Open filing |
Companies with significant control
Companies with significant control over Costain, from the register of people with significant control. A company can have control without holding shares. Individuals are not shown on public pages.
No corporate holder of 25% or more is registered.
From the PSC register.
Filings
The latest 6 capital filings other than share allotments (SH01), which are listed under Funding rounds. 313 share filings (SH01, SH02, SH03 and SH06) have been read for this company.
| Date | Filing | Document |
|---|---|---|
| 29 Oct 2026 | Purchase of own shares (SH03) | Open at Companies House |
| 15 Oct 2026 | Purchase of own shares (SH03) | Open at Companies House |
| 9 Oct 2026 | Purchase of own shares (SH03) | Open at Companies House |
| 2 Oct 2026 | Purchase of own shares (SH03) | Open at Companies House |
| 23 Sep 2026 | Cancellation of shares (SH06) | Open at Companies House |
| 23 Sep 2026 | Purchase of own shares (SH03) | Open at Companies House |
Documents open at Companies House. Bradshaw does not store or re-host them.
About this page
This page shows public register data for Costain. Figures come from filings at Companies House; Bradshaw links to each filing and does not host copies. To correct or object to data about you, use the data request form.
Last updated 3 Nov 2026