O'Leary, Mark
These details are public data from the Companies House register.
- Nationality
- Irish
- Country of residence
- Ireland
Appointments
Not a complete list. See all appointments on Companies House
Former appointments (2)
Director · Appointed 14 September 2018 · Resigned 30 June 2023
Company active
Director · Appointed 14 September 2018 · Resigned 30 June 2023
Company active
Worked with
Officers who served alongside O'Leary, Mark
Carlisle, Robert T
Director at Calor Gas Northern Ireland Limited · Resigned 29 August 2025
Mcclements, John Mark
Director at Calor Gas Northern Ireland Limited
Director at Pressure Test Services Limited · Resigned 31 July 2026
Sels, Steven
Director at Calor Gas Northern Ireland Limited · Resigned 1 June 2026
Kossack, Michael
Director at Calor Gas Northern Ireland Limited · Resigned 30 May 2023
Murphy, Brian
Director at Calor Gas Northern Ireland Limited · Resigned 31 May 2021
Director at Pressure Test Services Limited · Resigned 28 August 2019
Schöningh, Anna Maria Helena
Director at Calor Gas Northern Ireland Limited · Resigned 21 June 2019