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Companies House/Holyhead/Company profile

ADEILADWYR MON CYF

Active
09915615·incorporated 2015-12-14

ADEILADWYR MON CYF is an active UK private limited company, incorporated on 14 December 2015 at Companies House (number 09915615; OpenRegistry canonical ID GB-09915615-adeiladwyr-mon-cyf). Sophymarine's OpenRegistry classifies it under SIC 42990 (Construction of other civil engineering projects n.e.c.), one of 16,037 active UK entities in that code and one of 514 active companies registered in Holyhead, Anglesey (postcode LL65). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2015-12-14
Registered Address
CARREG LWYD, BRYNGWRAN, HOLYHEAD, ANGLESEY, LL65 3RR, WALES
SIC
42990 — Construction of other civil engineering projects n.e.c.
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

Check financials of ADEILADWYR MON CYF

Filings

Check filing history of ADEILADWYR MON CYF

Accounts

Last filed accounts made up to 2025-03-31. Next accounts due 2026-12-31. Financial year-end: 31/03. Filing class: UNAUDITED ABRIDGED.

Confirmation statement

Last confirmation statement made up to 2025-03-31. Next confirmation statement due 2026-04-14.

Persons with significant control

ADEILADWYR MON CYF has 1 person with significant control on file:

  • Mr Gethin Elfed Williams born 1983 resident in Wales, Welsh national. Notified 2022-02-17.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors

2 historical PSC records have ceased:

  • Mr David Emmanuel Andrews born 1969 resident in Wales, British national. Notified 2016-04-06. Ceased 2017-12-31.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
  • Mr Dyfed Wyn Owen born 1973 resident in Wales, British national. Notified 2016-04-06. Ceased 2022-02-17.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights

Previous names

ADEILADWYR MON CYF has previously traded as:

  • ADEILADWR MON CYF (until 2016-04-14)

Similar UK companies

Other companies registered under SIC 42990 (Construction of other civil engineering projects n.e.c.):

Other companies registered in Holyhead:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/09915615.

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