ISOLER LTD.
Company number 02766783 · Monitor this company
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Shareholders' funds
£5,069,032
Balance sheet as at 2025-03-31
What it does
The principal activity of the company continued to be that of
The company's own description, from its latest filed accounts.
Overview
- Company type
- Private Limited Company
- Incorporated
- 1992-11-23
- Employees
- 78 (2025 accounts · was 79 in 2024)
- Registered office
- Unit 1 Belmont Industrial Estate, Durham, England, DH1 1TN
- Postcode
- DH1 1TN
- Capital
- 300 GBP
- Accounts category
- Full
- Charges
- 1 outstanding
Accounts
- Last made up to
- 2025-03-31
- Next due by
- 2026-12-31
- Financial year end
- 31 March
Confirmation statement
- Last statement dated
- 2025-11-23
- Next due by
- 2026-12-07
Nature of business (SIC)
- 43999 Other specialised construction activities not elsewhere classified
Officers 6 current · 21 resigned
Group structure
Controlled by NORTHERN BEAR CONSTRUCTION LIMITED — since 2021-11-24
Controlled by NORTHERN BEAR PLC — since 2016-04-06
From persons-with-significant-control filings on the public register.
Public contracts won 2
£166,000 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 2026-03-31) as part of the NORTHERN BEAR PLC group statement — 4 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
- isoler.co.uk
- Phone
- 0191 487 0295
Leading fire protection company in Durham, expert in fire prevention and safety systems. Integrity specialists serving public and construction sectors UK wide.
Previous registered addresses 4
| Address | Changed on |
|---|---|
| UNIT 2 LEE CLOSE, PATTINSON NORTH INDUSTRIAL ESTAT, WASHINGTON, TYNE & WEAR, NE38 8QA | 2015-11-02 |
| STEPHENSON HOUSE, RICHARD STREET, HETTON LE HOLE, TYNE & WEAR DH5 9HW | 2005-11-21 |
| UNIT 2 LEE CLOSE PATTISON, NORTH INDUSTRIAL ESTATE, DISTRICT 15, WASHINGTON NE38 8QA | 2005-01-28 |
| 3 HAMSTERLY CLOSE, GREAT LUMLEY, COUNTY DURHAM, DH3 45L | 1998-08-11 |
Among its peers
Top 1%
by shareholders' funds, of 142 similar companies in DH
The largest employer among its local peers (78 staff).
Among the oldest 25% of its local peers, trading since 1992.
Competitors Durham
This company ranks 1 among other specialised construction activities not elsewhere classified in Durham.
The class of 1992
47%
of the 290 companies in this sector incorporated in 1992 are still active today; 50% have since been dissolved.
A fact about the year, not a forecast for this company.