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Mark Andrew O'Callaghan
Mark Andrew O'Callaghan is a director of 3 Upper Brook Street Freehold Company Limited and a holder of the role of llp-designated-member at Invest (Chelsea) LLP, among 14 current roles on record. Source: Companies House records.
Director at 3 Upper Brook Street Freehold Company Limited · Llp-designated-member at Invest (Chelsea) LLP
- 14 current roles
- 2 previous roles
- Served alongside 23 people
Mark's network: 23 people across 16 organisations
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Official record Companies House · updated 4th October 2026 · Free, no card or password
Current roles
16 roles across 16 organisations-
3 Upper Brook Street Freehold Company LimitedDirector · 2025-present
Official record · Companies House
- Source
- Companies House
- Organisation
- 3 Upper Brook Street Freehold Company Limited
- Role
- Director
- Appointed
- 2025-08-12
- Record reference
- Company 16646389
Current -
Invest (Chelsea) LLPLlp-designated-member · 2022-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Invest (Chelsea) LLP
- Role
- Llp-designated-member
- Appointed
- 2022-09-02
- Record reference
- Company OC443726
Current -
Sloane CT E LimitedDirector · 2022-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Sloane CT E Limited
- Role
- Director
- Appointed
- 2022-04-08
- Record reference
- Company 11627679
Current
13 more roles, including 2 previous roles, with dates and sources
Sign in free to see all rolesPeople Mark has served alongside
23 people across 16 organisationsBased on overlapping official board records. Calculated from official records
23 people across 16 organisations
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- Companies House
- Officer appointments and resignations.
- Edition
- Register edition compiled 4th October 2026
- Identity
- Records are treated as the same person only where the evidence confirms it. How people are matched