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D-ON ARCHITECTS LTD

Active
NI049889·incorporated 2004-03-05

D-ON ARCHITECTS LTD is an active UK private limited company, incorporated on 5 March 2004 at Companies House (number NI049889; OpenRegistry canonical ID GB-NI049889-d-on-architects-ltd). Sophymarine's OpenRegistry classifies it under SIC 71111 (Architectural activities), one of 18,030 active UK entities in that code and one of 24,102 active companies registered in Belfast, Co. Antrim (postcode BT1). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2004-03-05
Registered Address
1ST FLOOR, 19 ARTHUR STREET, BELFAST, CO. ANTRIM, BT1 4GA, NORTHERN IRELAND
SIC
71111 — Architectural activities
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 2024-09-30. Next accounts due 2026-06-30. Financial year-end: 30/09. Filing class: MICRO ENTITY.

Confirmation statement

Last confirmation statement made up to 2026-03-05. Next confirmation statement due 2027-03-19.

Persons with significant control

D-ON ARCHITECTS LTD has 2 persons with significant control on file:

  • Mr Paul Mcmahon born 1969 resident in Northern Ireland, Northern Irish national. Notified 2020-04-01.
    • Owns 50–75% of shares
    • Holds 50–75% of voting rights
  • Mr Michael Colwell born 1964 resident in Northern Ireland, Northern Irish national. Notified 2025-03-31.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights

1 historical PSC record has ceased:

  • Mr Nial O'Neill born 1962 resident in Northern Ireland, Irish national. Notified 2016-04-06. Ceased 2025-03-31.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights

Previous names

D-ON ARCHITECTS LTD has previously traded as:

  • DONNELLY O NEILL ARCHITECTS LIMITED (until 2018-06-11)

Similar UK companies

Other companies registered under SIC 71111 (Architectural activities):

Other companies registered in Belfast:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/NI049889.

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