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 139 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.
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.