Ltd Facts The UK company register, as filed

Register entry · No. 00979107

ISOLATED SYSTEMS LIMITED

Active Private Limited Company Incorporated 8 May 1970

Checks

1 to look at 8 clear · 5 can't tell yet

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    Charges

    7 outstanding: a lender holds security over its assets and is paid first if it fails.

    Companies House register
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    Insolvency

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    Filing history
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    Net assets aren't in the figures we read.

    Accounts to 31 May 2023 · See it · What this means
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    Filing history (form AD01)
  • Clear
    Company status

    Active.

    Companies House register
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    Accounts on time

    Next due 28 Feb 2027.

    Companies House register
  • Clear
    Confirmation statement on time

    Next due 10 Jul 2027.

    Companies House register
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    Disqualified directors

    None of the 7 current officers checked are disqualified.

    Companies House disqualified directors register · See it
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    Directors

    6 current directors.

    Officers on the register · See it
  • Clear
    Owners

    1 owner on file.

    People with significant control · See it
  • Clear
    Trading history

    Incorporated 8 May 1970 (56 years ago).

    Companies House register
  • Clear
    Name changes

    Never renamed.

    Names over time

From the public register, filing history, officers, owners and filed accounts, as of 11 Nov 2026. Not a credit score or advice: open the filings before relying on them. JSON

  1. Registered office

    ISOLATED SYSTEMS LTD ADAMS CLOSE, HEANOR GATE INDUSTRIAL ESTATE, HEANOR, DERBYSHIRE, DE75 7SW

    As filed with Companies House.

  2. Nature of business

    • 71129 Other engineering activities

  3. Accounts

    Next due
    28 Feb 2027
    Last made up to
    31 May 2025
    Type
    GROUP

  4. Confirmation statement

    Next due
    10 Jul 2027
    Last made up to
    26 Jun 2026

  5. Charges

    Outstanding
    7
    All time
    7

  6. Names

    1. ISOLATED SYSTEMS LIMITED current

Figures

Year endTurnoverProfitCashNet assetsStaff
31 May 2023 not published not published — — —
31 May 2022 not published not published £2,425,077 £3,652,525 69
31 May 2021 not published £462,801 £2,046,030 £3,228,136 49
31 May 2020 not published £469,037 £1,767,126 £2,878,522 48
31 May 2019 not published £264,779 £1,345,353 £2,514,385 53
31 May 2018 not published not published £1,338,452 £2,344,506 53

* From the following year's accounts (prior-year figures).

Public contracts

No contracts found on Find a Tender under this company number.

Matching is by Companies House number only, so contracts filed without the number are not shown.

Contains public sector information licensed under the Open Government Licence v3.0. Source: Find a Tender award notices. JSON

People

Officers All 10, with past →

NameRoleAppointedResignedBornNationality · lives in
David Arthur Colebrook Company Director Director — — May 1941 British · England
Ann Irene Colebrook Secretary Director — — December 1939 British · United Kingdom
Gary Edward Peet Managing Director Director 1 Jun 2008 — November 1972 British · England
Nigel Colebrook Managing Director Director 1 Sep 2012 — September 1966 British · England
John James Colebrook Director Director 1 Sep 2012 — May 1971 British · England
Gay Irene Colebrook Company Director Director 1 Sep 2012 — May 1964 English · England
Ann Irene Colebrook Secretary — — December 1939 British · United Kingdom

Owners and controllers All 1, with past →

NameControlNotifiedCeasedBornNationality · lives in
Mr David Arthur Colebrook Ownership of shares 50 to 75 percent 1 Jun 2016 — May 1941 British · England

From the public register. We show month and year of birth only, and no addresses. Privacy and your data

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Questions

Is ISOLATED SYSTEMS LIMITED still trading?

The register shows ISOLATED SYSTEMS LIMITED as active.

What does ISOLATED SYSTEMS LIMITED do?

It files the industry code 71129 (Other engineering activities).

When was ISOLATED SYSTEMS LIMITED set up?

It was incorporated on 8 May 1970.

When are ISOLATED SYSTEMS LIMITED's accounts due?

Next accounts are due by 28 February 2027. The last accounts were made up to 31 May 2025.

When is ISOLATED SYSTEMS LIMITED's next confirmation statement due?

By 10 July 2027.

Who runs ISOLATED SYSTEMS LIMITED?

ISOLATED SYSTEMS LIMITED has 6 current directors and 1 other current officer. They're listed under People on this page.

Similar companies

Same industry code (71129), active, set up around the same time. More in this industry →

  1. 00991178 MERC AEROSPACE LIMITED Active Private Limited Company Inc. 7 Oct 1970 71129 · Other engineering activities
  2. 00988077 VIBRATION CONSULTANTS & INSTRUMENTATION LIMITED Active Private Limited Company Inc. 27 Aug 1970 71129 · Other engineering activities
  3. 00986924 ALPINE METAL TECH UK LIMITED Active Private Limited Company Inc. 14 Aug 1970 28990 · Manufacture of other special-purpose machinery n.e.c.
  4. 00971136 B.N.W. COMPANY (BAKERY) SERVICES LIMITED Active Private Limited Company Inc. 28 Jan 1970 71129 · Other engineering activities

The file

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Source: Companies House, data file of 2026-11-01 and its live updates. View on Companies House