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ISTHMUS HOLDCO (UK) LIMITED

Active
11713902·incorporated 2018-12-05

ISTHMUS HOLDCO (UK) LIMITED is an active UK private limited company, incorporated on 5 December 2018 at Companies House (number 11713902; OpenRegistry canonical ID GB-11713902-isthmus-holdco-uk-limited). Sophymarine's OpenRegistry classifies it under SIC 64209 (Activities of other holding companies n.e.c.), one of 113,475 active UK entities in that code and one of 1,107,954 active companies registered in London (postcode SW1Y). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2018-12-05
Registered Address
21 ST JAMES'S SQUARE, LONDON, SW1Y 4JZ
SIC
64209 — Activities of other holding companies n.e.c.
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

Check financials of ISTHMUS HOLDCO (UK) LIMITED

Filings

Check filing history of ISTHMUS HOLDCO (UK) LIMITED

Accounts

Last filed accounts made up to 2025-09-30. Next accounts due 2027-06-30. Financial year-end: 30/09. Filing class: FULL.

Confirmation statement

Last confirmation statement made up to 2025-12-15. Next confirmation statement due 2026-12-29.

Mortgages and charges

1 charge recorded against the company at Companies House: 1 outstanding, 0 satisfied, 0 partially satisfied.

Persons with significant control

ISTHMUS HOLDCO (UK) LIMITED has 1 person with significant control on file:

  • Cinven Limited (England reg. 2192937). Notified 2025-07-01.
    • Owns 75% or more of shares
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors

4 historical PSC records have ceased:

  • Mr David Robert Barker born 1968 resident in United Kingdom, British national. Notified 2018-12-05. Ceased 2018-12-05.
    • Holds 25–50% of voting rights
  • Mr Thomas Railhac born 1980 resident in England, French national. Notified 2018-12-05. Ceased 2018-12-05.
    • Holds 25–50% of voting rights
  • Cinven Limited (United Kingdom reg. 02192937). Notified 2018-12-05. Ceased 2021-10-14.
    • Has the right to appoint and remove directors
  • Cinven Partnership Llp (England And Wales reg. Oc431829). Notified 2021-10-14. Ceased 2025-07-01.
    • Has significant influence or control

Similar UK companies

Other companies registered under SIC 64209 (Activities of other holding companies n.e.c.):

Other companies registered in London:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/11713902.

Source: Companies House Free Company Data, refreshed 2026-06-06. Official record: find-and-update.company-information.service.gov.uk.