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John William Pietrowicz
John William Pietrowicz was previously a director of Marex UK Holdings Limited (until 2026) and 5 other organisations. Source: Companies House records.
Director at Marex UK Holdings Limited · Director at The World Federation of Exchanges Limited
- 0 current roles
- 6 previous roles
- Served alongside 62 people
John's network: 62 people across 6 organisations
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Official record Companies House · updated 4th October 2026 · Free, no card or password
Roles
6 roles across 6 organisations-
Marex UK Holdings LimitedDirector · 2024-2026
Official record · Companies House
- Source
- Companies House
- Organisation
- Marex UK Holdings Limited
- Role
- Director
- Appointed
- 2024-04-24
- Ended
- 2026-07-14
- Record reference
- Company 05613060
Previous -
The World Federation of Exchanges LimitedDirector · 2022-2024
Official record · Companies House
- Source
- Companies House
- Organisation
- The World Federation of Exchanges Limited
- Role
- Director
- Appointed
- 2022-09-28
- Ended
- 2024-11-19
- Record reference
- Company 08657893
Previous -
NEX International LimitedDirector · 2019-2023
Official record · Companies House
- Source
- Companies House
- Organisation
- NEX International Limited
- Role
- Director
- Appointed
- 2019-12-06
- Ended
- 2023-12-31
- Record reference
- Company 03611426
Previous
3 more roles, with dates and sources
Sign in free to see all rolesPeople John has served alongside
62 people across 6 organisationsBased on overlapping official board records. Calculated from official records
62 people across 6 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