Company
Portman Square US Holdings Limited
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 9
- Paul Richard Gordon 2020-2024 View profile
- Simon Gregorevich Zinger 2013-2021 View profile
- Simon Glyndon Jones 2012-2020 View profile
- David Mark Wein 2012-2020 View profile
- Nicholas Charles Priday 2007-2024 View profile
- Mary Elizabeth Hitchon 2020-2025 View profile
- Andrew John Moberly 2010-2020 View profile
- Caroline Emma Roberts Thomas 2009-2010 View profile
- John Howard Ross 2006-2009 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 13/11/2006
Ownership
Owned by (1) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Dentsu International GPS Holdings Limited
75-100% shares · notified 2018-06-01
Group
- Portman Square US Holdings Limited
is controlled by Dentsu International GPS Holdings Limited
Evidence
active 75-100% shares · notified 2018-06-01 · source: Companies House PSC register - Dentsu International GPS Holdings Limited
is controlled by Dentsu International Limited
Evidence
active 75-100% shares · notified 2016-04-06 · source: Companies House PSC register - Dentsu International Limited
is controlled by Dentsu Group INC.
Evidence
active 75-100% shares · notified 2016-04-06 · source: Companies House PSC register
Ultimately controlled by Dentsu Group INC..
48 other companies in this group
- Avid Media LTD
- Dentsu International GPS Holdings Limited
- Isobar Commerce Global Limited
- NI073202
- Amnet Limited
- Dentsu International Treasury Investments Limited
- Carat Media Limited
- Dentsu UK Limited
- Poster Management (N.I.) Limited
- Dentsu Leeds Limited
- Aegis Group Investments Limited
- David Wood & Associates Limited
- Dentsu International Group Trustees Limited
- Merkle UK Analytics Services Limited
- Isobar London Limited
- Dentsu International Holdings Limited
- Dentsu Edinburgh Limited
- Dentsu International Regents Place Finance Limited
- Dentsu Sports Europe, Limited
- NI604225
- Dentsu Europe Finance Limited
- John Brown Magazines Limited
- Dentsu International Treasury Limited
- Dentsu Europe Finance (Alpha) Limited
- MMA Technologies Limited
- Livearea Global Services UK Limited
- Dentsu International Administration Limited
- Vizeum UK Limited
- Carat Management Services (UK) Limited
- Amplifi Global Limited
- Dentsu International TI
- Dentsu International TIG Limited
- Dentsu International Triton Limited
- Dentsu International Group Participations Limited
- Dentsu International Limited
- Amplifi Technology Limited
- Dentsu International Finance
- Comet Solutions Holdings LTD
- Dentsu International Group Nominees Limited
- Tempero Limited
- D 2 D Limited
- 02091777
- Merkle Marketing Limited
- Gyro Communications Limited
- Paragon Digital Services Limited
- Merkle UK ONE Limited
- AGL UK Investments Limited
- Dentsu Group INC.
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Financials
- Net assets
- £1,269,000,000
- Total assets
- £1,269,000,000
- Employees
- 0
- Turnover
- Not reported (small or micro-entity accounts)
- Profit/loss
- £0
Filed as Full accounts.
Figures from accounts filed at Companies House (iXBRL), period ending 2025-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
Board analysis
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
1 directors on the board
- Robert Patrick Baldwin Director · appointed 2025
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Gaps to watch
- A single director - no second pair of eyes on any decision
Where to look Suggested search: a second director to remove single-point control.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 05996404
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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