Ltd Facts The UK company register, as filed

Register entry · No. 01968550

ENVIRODYNE HOLDINGS LIMITED

Active Private Limited Company Incorporated 4 Dec 1985

Checks

No warning signs 10 clear · 4 can't tell yet

What was checked
  • Can't tell
    Insolvency

    The filing history can't be read just now.

    Filing history
  • Can't tell
    Strike-off notices

    The filing history can't be read just now.

    Filing history (The Gazette notices) · What this means
  • Can't tell
    Year-end changes

    The filing history can't be read just now.

    Filing history (form AA01)
  • Can't tell
    Office moves

    The filing history can't be read just now.

    Filing history (form AD01)
  • Clear
    Company status

    Active.

    Companies House register
  • Clear
    Accounts on time

    Next due 30 Sep 2027.

    Companies House register
  • Clear
    Confirmation statement on time

    Next due 17 Jan 2027.

    Companies House register
  • Clear
    Disqualified directors

    None of the 4 current officers checked are disqualified.

    Companies House disqualified directors register · See it
  • Clear
    Directors

    3 current directors.

    Officers on the register · See it
  • Clear
    Owners

    4 owners on file.

    People with significant control · See it
  • Clear
    Last filed accounts

    Net assets £103,188,103.

    Accounts to 31 Dec 2023 · See it
  • Clear
    Charges

    None registered.

    Companies House register
  • Clear
    Trading history

    Incorporated 4 Dec 1985 (40 years ago).

    Companies House register
  • Clear
    Name changes

    2 earlier names, none in the last year.

    Names over time

From the public register, filing history, officers, owners and filed accounts, as of 6 Nov 2026. Not a credit score or advice: open the filings before relying on them. JSON

  1. Registered office

    71 QUEEN VICTORIA STREET, LONDON, UNITED KINGDOM, EC4V 4BE

    As filed with Companies House.

  2. Nature of business

    • 26511 Manufacture of electronic measuring, testing etc. equipment, not for industrial process control

  3. Accounts

    Next due
    30 Sep 2027
    Last made up to
    31 Dec 2025
    Type
    GROUP

  4. Confirmation statement

    Next due
    17 Jan 2027
    Last made up to
    3 Jan 2026

  5. Charges

    Outstanding
    0
    All time
    0

  6. Names

    1. ENVIRODYNE HOLDINGS LIMITED current
    2. SONARDYNE HOLDINGS LIMITED earlier
    3. SONARDYNE GROUP LIMITED earlier

Figures

Year endTurnoverProfitCashNet assetsStaff
31 Dec 2023 not published £7,181,292 — £103,188,103 —
31 Dec 2022 * not published £3,070,133 — £96,281,573 —

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

People

Officers All 7, with past →

NameRoleAppointedResignedBornNationality · lives in
Charles John Partridge Director — — September 1939 British · United Kingdom
Nicola Jane Evans Director Director 2 Mar 2021 — April 1967 British · England
Simon Charles Partridge Company Director Director 15 Nov 2021 — November 1970 British · England
Charles John Partridge Secretary — — — British

Owners and controllers All 4, with past →

NameControlNotifiedCeasedBornNationality · lives in
Mrs Betsan Felicity Partridge Ownership of shares 25 to 50 percent 6 Apr 2016 — December 1941 British · England
Mr Charles John Partridge Voting rights 50 to 75 percent 6 Apr 2016 — September 1939 British · United Kingdom
Mr Simon Charles Partridge Ownership of shares 25 to 50 percent; Voting rights 50 to 75 percent 13 Nov 2024 — November 1970 British · England
Mrs Nicola Jane Evans Ownership of shares 25 to 50 percent; Voting rights 75 to 100 percent 13 Nov 2024 — April 1967 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 ENVIRODYNE HOLDINGS LIMITED still trading?

The register shows ENVIRODYNE HOLDINGS LIMITED as active.

What does ENVIRODYNE HOLDINGS LIMITED do?

It files the industry code 26511 (Manufacture of electronic measuring, testing etc. equipment, not for industrial process control).

When was ENVIRODYNE HOLDINGS LIMITED set up?

It was incorporated on 4 December 1985.

When are ENVIRODYNE HOLDINGS LIMITED's accounts due?

Next accounts are due by 30 September 2027. The last accounts were made up to 31 December 2025.

When is ENVIRODYNE HOLDINGS LIMITED's next confirmation statement due?

By 17 January 2027.

Who runs ENVIRODYNE HOLDINGS LIMITED?

ENVIRODYNE HOLDINGS LIMITED has 3 current directors and 1 other current officer. They're listed under People on this page.

Similar companies

Same industry code (26511), active, set up around the same time. More in this industry →

  1. SC095802 SHERING WEIGHING LIMITED Active Private Limited Company Inc. 1 Nov 1985 26511 · Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
  2. 01950437 DYNOPTIC SYSTEMS LIMITED Active Private Limited Company Inc. 26 Sep 1985 26200 · Manufacture of computers and peripheral equipment
  3. 01950444 TELEDYNE VALEPORT LIMITED Active Private Limited Company Inc. 26 Sep 1985 26511 · Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
  4. 01945452 FLOW CALIBRATION SERVICES LIMITED Active Private Limited Company Inc. 6 Sep 1985 26511 · Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
  5. 01938710 BARTINGTON INSTRUMENTS LIMITED Active Private Limited Company Inc. 14 Aug 1985 26511 · Manufacture of electronic measuring, testing etc. equipment, not for industrial process control

The file

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