# Carl Byoir (UK) Limited

## Details

- **Company number:** [03364908](https://find-and-update.company-information.service.gov.uk/company/03364908)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2 May 1997
- **Registered office:** ROSE COURT, 2 SOUTHWARK BRIDGE ROAD, LONDON, SE1 9HS
- **Nature of business:** [82990](/sic/82990) Other business support service activities n.e.c.
- **Corporate group:** [Advantage Sales & Marketing Limited](/group/86944) (267 companies)




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Hill & Knowlton Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent | 6 Apr 2016 |  |




## Owned by

Carl Byoir (UK) Limited → [Hill & Knowlton Limited](/company/00953243) → [Burson Group Limited](/company/03067210) → [WPP Brands (UK) Limited](/company/00390845) → [WPP Brands Development Holdings (UK) Limited](/company/03723506) → [WPP 2323 Limited](/company/04214289)





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- [Grey Advertising Limited](/company/00539916) (00539916)
- [Grey Communications Group Limited](/company/01795794) (01795794)
- [Grey Global Group (UK) Limited](/company/03664479) (03664479)
- [Mindshare Media UK Limited](/company/03425312) (03425312)
- [Mindshare Media Worldwide Limited](/company/03443297) (03443297)
- [TWW Group Limited](/company/02481989) (02481989)