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MML KEYSTONE HOLDCO 1 LTD

Active
14550965·incorporated 2022-12-20

MML KEYSTONE HOLDCO 1 LTD is an active UK private limited company, incorporated on 20 December 2022 at Companies House (number 14550965; OpenRegistry canonical ID GB-14550965-mml-keystone-holdco-1-ltd). Sophymarine's OpenRegistry classifies it under SIC 64209 (Activities of other holding companies n.e.c.), one of 111,685 active UK entities in that code and one of 1,093,852 active companies registered in London (postcode WC2H). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2022-12-20
Registered Address
ORION HOUSE, 5 UPPER ST MARTIN’S LANE, LONDON, WC2H 9EA, UNITED KINGDOM
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

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Filings

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Accounts

Last filed accounts made up to 2024-12-31. Next accounts due 2026-09-30. Financial year-end: 31/12. Filing class: TOTAL EXEMPTION FULL.

Confirmation statement

Last confirmation statement made up to 2025-12-19. Next confirmation statement due 2027-01-02.

Persons with significant control

MML KEYSTONE HOLDCO 1 LTD has 1 person with significant control on file:

  • Mml Holdco 7 Ltd (United Kingdom reg. 11842850). Notified 2022-12-20.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors
  • No individual or entity with significant control has been identified.

1 historical PSC record has ceased:

  • (unnamed). Notified 2022-12-20. Ceased 2022-12-20.

Previous names

MML KEYSTONE HOLDCO 1 LTD has previously traded as:

  • MML INFRASTRUCTURE I HOLDCO 1 LTD (until 2025-04-23)

Similar UK companies

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

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Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/14550965.

Source: Companies House Free Company Data, refreshed 2026-05-01. Official record: find-and-update.company-information.service.gov.uk.