SINDEN CONSTRUCTION LIMITED
Company number 03308698 · Monitor this company
Executive summary
Sinden Construction Limited occupies a strong competitive position within the UK mid-tier contracting sector, distinguished by a net cash balance of £13.6m, consistent equity growth from £6.25m to £14.69m over seven years, and a pre-tax margin of 3.3% that sits at the upper end of the sector's structurally narrow 2-4% range. The company's diversified sector spread, disciplined bid selection, and deliberate supply chain investment through prompt payment practices provide meaningful differentiation from leveraged competitors in a market characterised by high insolvency rates and margin pressure. The principal risks ahead relate to revenue phasing volatility from the shift to two-stage procurement, geographic concentration, and the inherent margin ceiling of the pure contracting model—factors that the company's aspiration to scale towards £100m turnover seeks to address through operational gearing rather than margin expansion.
Shareholders' funds
£14,690,939
Balance sheet as at 2026-03-31
What it does
The principal activity of the company continued to be that of a construction services provider, carrying out new build, refurbishment and fit out projects primarily across the following sectors:
The company's own description, from its latest filed accounts.
Overview
- Company type
- Private Limited Company
- Incorporated
- 1997-01-28
- Employees
- 146 (2026 accounts · was 135 in 2025)
- Registered office
- 137 - 145 Church Road Harold, Wood, Romford, RM3 0SH
- Postcode
- RM3 0SH
- Capital
- 22,000 GBP
- Accounts category
- Full
- Charges
- 1 outstanding
Accounts
- Last made up to
- 2026-03-31
- Next due by
- 2027-12-31
- Financial year end
- 31 March
Confirmation statement
- Last statement dated
- 2025-12-19
- Next due by
- 2027-01-02
Nature of business (SIC)
- 41100 Development of building projects
- 41201 Construction of commercial buildings
- 41202 Construction of domestic buildings
Officers 3 current · 5 resigned
Group structure 3 subsidiaries
Controlled by SINDEN HOLDINGS LIMITED — since 2021-02-23
From persons-with-significant-control filings on the public register.
Public contracts won 12
-£71,976,752,390 total awarded value where published.
Showing the 5 most recent of 12.
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: 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 2025 (period to 2025-03-31) — 3 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.
Contact details
- Website
- thomas-sinden.co.uk
- Phone
- +44 0000 000000, 000 000 000, 000 000 0000
Construction, refurbishment and heritage restoration across London and the South East. Sinden Construction — trusted on complex projects since 1991.
Previous company names
| Name | Date changed |
|---|---|
| THOMAS SINDEN LIMITED | 2026-06-18 |
| THOMAS SINDEN CONSTRUCTION LIMITED | 2007-05-15 |
Previous registered addresses 1
| Address | Changed on |
|---|---|
| 12 BROOKE TRADING ESTATE, LYON ROAD, ROMFORD, RM1 2AT | 2006-08-24 |
Among its peers
Top 1%
by shareholders' funds, of 754 similar companies in RM
The largest employer among its local peers (146 staff).
Among the oldest 25% of its local peers, trading since 1997.
No.1 of the largest development of building projects companies in Romford →
Competitors Romford
This company ranks 1 among development of building projects in Romford.
The class of 1997
46%
of the 1,212 companies in this sector incorporated in 1997 are still active today; 52% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 1 title
- Leasehold
- 1
- Most recent registration
- 2019-11-11
- Where
- Greater London
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| BGL153161 | Greater London | Leasehold | 2019-11-11 | — |
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.