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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Active 2
  • 1
    Mcmahon, Paul
    Born in April 1969
    Individual (4 offsprings)
    Officer
    icon of calendar 2020-04-01 ~ now
    OF - Director → CIF 0
    Mr Paul Mcmahon
    Born in April 1969
    Individual (4 offsprings)
    Person with significant control
    icon of calendar 2020-04-01 ~ now
    PE - Ownership of voting rights - More than 50% but less than 75%CIF 0
    PE - Ownership of shares – More than 50% but less than 75%CIF 0
  • 2
    Colwell, Michael
    Born in September 1964
    Individual (1 offspring)
    Officer
    icon of calendar 2025-03-31 ~ now
    OF - Director → CIF 0
    Mr Michael Colwell
    Born in September 1964
    Individual (1 offspring)
    Person with significant control
    icon of calendar 2025-03-31 ~ now
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
Ceased 3
  • 1
    O'neill, Nial, Mr.
    Architect born in September 1962
    Individual (1 offspring)
    Officer
    icon of calendar 2004-03-05 ~ 2025-03-31
    OF - Director → CIF 0
    O'neill, Nial
    Individual (1 offspring)
    Officer
    icon of calendar 2004-03-05 ~ 2004-05-08
    OF - Secretary → CIF 0
    Mr Nial O'neill
    Born in September 1962
    Individual (1 offspring)
    Person with significant control
    icon of calendar 2016-04-06 ~ 2025-03-31
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
  • 2
    Donnelly, James Bernard
    Architect born in May 1961
    Individual
    Officer
    icon of calendar 2004-03-05 ~ 2013-10-31
    OF - Director → CIF 0
    Donnelly, James Bernard
    Individual
    Officer
    icon of calendar 2004-05-08 ~ 2013-10-31
    OF - Secretary → CIF 0
  • 3
    icon of address79 Chichester Street, Belfast
    Active Corporate (5 parents, 57 offsprings)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2004-03-05 ~ 2004-03-05
    PE - Director → CIF 0
parent relation
Company in focus

D-ON ARCHITECTS LTD

Previous name
DONNELLY O NEILL ARCHITECTS LIMITED - 2018-06-11
Standard Industrial Classification
71111 - Architectural Activities
71112 - Urban Planning And Landscape Architectural Activities
Brief company account
Fixed Assets
5,779 GBP2024-09-30
7,706 GBP2023-09-30
Current Assets
126,462 GBP2024-09-30
148,645 GBP2023-09-30
Creditors
Current
-66,861 GBP2024-09-30
-81,097 GBP2023-09-30
Net Current Assets/Liabilities
59,601 GBP2024-09-30
67,548 GBP2023-09-30
Total Assets Less Current Liabilities
65,380 GBP2024-09-30
75,254 GBP2023-09-30
Creditors
Non-current
-1,028 GBP2024-09-30
-4,110 GBP2023-09-30
Net Assets/Liabilities
64,352 GBP2024-09-30
71,144 GBP2023-09-30
Equity
64,352 GBP2024-09-30
71,144 GBP2023-09-30
Average Number of Employees
52023-10-01 ~ 2024-09-30
52022-10-01 ~ 2023-09-30

  • D-ON ARCHITECTS LTD
    Info
    DONNELLY O NEILL ARCHITECTS LIMITED - 2018-06-11
    Registered number NI049889
    icon of address1st Floor 19 Arthur Street, Belfast, Co. Antrim BT1 4GA
    PRIVATE LIMITED COMPANY incorporated on 2004-03-05 (21 years 10 months). The company status is Active.
    The last date of confirmation statement was made at 2025-03-05
    CIF 0
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.