At a glance · for buyers and watchdogs
Thomas Sinden Ltd has won £923.9m across 37 public-sector buyers, with 31 live contracts. No active Companies House risk flags.
Why: top buyer The Crescent Academy at 28% · 99% in Business services · 0 active risk flags · 0 modifications.
ESG & policies vault · 0/5
Key governance & sustainability policies. Published documents link out; missing ones are greyed.
Capabilities
What this supplier does, where they sit, who they sell to.
- General Construction Multi Trade - GCMT - Housing & residential (20% VAT)
- Cladding Remediation and Gas Supply works at Central West
- General Construction Multi Trade - GCMT - Education (20% VAT)
- P5599 Reconfiguration and Refurbishment of 401 Mile End Road
- Stewart Fleming Primary School Phase 2 Summer 2019 Enabling Works
Extracted automatically from thomas-sinden.co.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.
Case studies · 16
Delivery stories from the supplier’s website. Clients are not yet cross-checked against award records.
Extracted automatically from thomas-sinden.co.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.
Buyer references
Named public-sector contacts who have agreed to act as a reference.
No buyer references yet
Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.
Accreditations & memberships
Independently issued. Verification dates cross-checked against issuer registers.
No accreditations recorded
B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.
KPI performance
Delivery, budget and satisfaction scores reported quarterly by buyers.
No verified KPI scores yet
Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.
Contracts · 31 live · 32 historic
Pulled from Contracts Finder & Find a Tender. Most recent first.
| Title | Buyer | CPV | Awarded | Value | Term | Status |
|---|---|---|---|---|---|---|
| Sinden Construction Ltd | 45000000 | 19 Jun 2026 | £1.4m | 15 mo | Live | |
| Sinden Construction Ltd | 45000000 | 19 Jun 2026 | £1.4m | 15 mo | Live | |
| The Royal Household | — | 08 Jun 2026 | — | 4 yrs | Live | |
| THE GUINNESS PARTNERSHIP LIMITED | — | 01 Oct 2026 | £5.8m | 2.1 yrs | Live | |
| THE GUINNESS PARTNERSHIP LIMITED | — | 13 Oct 2025 | £250.0m | 4 yrs | pending | |
| The Crescent Academy | 79993000 | 18 Jul 2025 | £257.1m | 2.8 yrs | Live | |
| Lycee Francais Charles de Gaulle | 45453100 | 23 Jun 2025 | £1.7m | 4 mo | Closed | |
| London Borough of Sutton | 45000000 | 10 Mar 2025 | £2.1m | 6 mo | Closed | |
| London Borough of Haringey | 45000000 | 22 Jul 2024 | £1.3m | 3 mo | Closed | |
| London Borough of Hackney | 44000000 | 31 Jul 2024 | £31k | — | Closed |
Top buyers · 37 buyers · top 3 = 71%
Share of awarded value. Concentration fires above 40% for any single buyer.
Category mix
CPV-division share of last-12m awarded value. Single-category exposure: 99%.
Geography
Distribution of awarded value by buyer region.
Peers
Suppliers with overlapping CPVs & buyers (last 24m). Thomas Sinden Ltd highlighted.
| Supplier | SME? | Awarded · 24m | Contracts |
|---|---|---|---|
TS Thomas Sinden Ltd | No | £515.7m | — |
| No | £140.0m | 1 | |
| No | £67.8m | 1 | |
| Yes | £35.4m | 2 | |
| No | £28.1m | 2 | |
| No | £18.8m | 2 |
Red flags · 0 active
Automated scan of Companies House status, charges and insolvency records.
Compliance scorecard
Derived from Companies House filings — not a full supplier-assurance check.
Modifications
Variations to awarded contracts logged under Procurement Act 2023 s.74.
No modifications recorded
No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.
News mentions
UK trade press & nationals, matched to this supplier.
No news mentions found
We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.
Companies House
Live sync — registered details, directors, PSC and SIC codes.
Registered details
- Company no.
- 03308698
- Status
- Active
- Type
- Private limited
- Incorporated
- 28 Jan 1997
- Reg. office
- 137 - 145 Church Road Harold, Wood, Romford, RM3 0SH
- SIC codes
- 41100 · 41201 · 41202
- Last accounts
- 31 Mar 2025
- Next accounts due
- 31 Dec 2026
Directors & PSC
- WOOD, Stephen John — directorAppointed 23 Feb 2021
- MCMAHON, Stephen Thomas — directorAppointed 23 Sept 2015
- SINDEN, Graeme — directorAppointed 28 Jan 1997
- Thomas Sinden (Holdings) Limited — person with significant controlownership of shares 75 to 100 percent · voting rights 75 to 100 percent · right to appoint and remove directors
Financial
Filed accounts from Companies House.
No financial filings on record
Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.
Org tree
Group structure and ownership.
Independent. No parent company or subsidiaries recorded at Companies House for this entity.
Social value
Commitments mapped to the Government Social Value Model themes.
No social-value commitments yet
Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.