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Company number
08670431

MAMMOTH INSULATION SERVICES LIMITED

Active
✓ Active company on the official register. Next accounts due 31 December 2026.

Company details

East Midlands, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
MAMMOTH INSULATION SERVICES LIMITED
Company number
08670431
Registered office
UNIT 29 NORTHAMPTON ROAD, BLISWORTH, NORTHAMPTON, NN7 3DW, ENGLAND · 117 other companies at this postcode
Company type
Private Limited Company
Incorporated on
30 August 2013
Status
Active
Age
13 years
Nature of business (SIC)
33200 — Installation of industrial machinery and equipment
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
13 Sept 2026
Confirmation statement — last
30 Aug 2025

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Mr Jamie John Cosher
owns 75–100% of shares
Notified 30/08/2016

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Jamie John Cosher
born 05/1971 · England owns 75–100% of shares Notified 30/08/2016

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
30/08/2016 Person with significant control added Mr Jamie John Cosher

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Total assets less current liabilities 419
▲ 15.3%
363
Net assets 419
▲ 15.3%
363
Employees (avg) 8 8

Documents for MAMMOTH INSULATION SERVICES LIMITED

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Company extract£1.99

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Financial statements£3.99

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

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Data protection register

No entry found on the ICO register of fee payers under this name.

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Frequently asked questions

What is the company number of MAMMOTH INSULATION SERVICES LIMITED?
According to the official registry, the company number of MAMMOTH INSULATION SERVICES LIMITED is 08670431.
Where is MAMMOTH INSULATION SERVICES LIMITED registered?
The registered office is UNIT 29 NORTHAMPTON ROAD, BLISWORTH, NORTHAMPTON, NN7 3DW, ENGLAND.
What is the SIC code of MAMMOTH INSULATION SERVICES LIMITED?
The nature of business is recorded under SIC code 33200 — Installation of industrial machinery and equipment.
Who controls MAMMOTH INSULATION SERVICES LIMITED?
Mr Jamie John Cosher is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of MAMMOTH INSULATION SERVICES LIMITED due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About MAMMOTH INSULATION SERVICES LIMITED (08670431)

MAMMOTH INSULATION SERVICES LIMITED is a private limited company incorporated on 30 August 2013 and registered in the United Kingdom under company number 08670431. Its registered office is at UNIT 29 NORTHAMPTON ROAD, BLISWORTH, NORTHAMPTON, NN7 3DW, ENGLAND. The recorded nature of business is installation of industrial machinery and equipment (SIC 33200). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Mr Jamie John Cosher. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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