Fifty5blue UK Ltd.

Active00275304 Private limited company
Incorporated
25 April 1933 (93 years)
Previously known as
Kantar Media UK Ltd (until 26 March 2026)
BMRB Ltd. (until 14 January 2010)
BMRB International Limited (until 30 March 2005)
Earlier: British Market Research Bureau Limited, MRB Group Limited, M.R.B. International Limited, British Market Research Bureau Limited
Industry
Advertising agencies (73110)
Directors
Rachel Jane Macey
Paul Francis Cherry
Owned by
Greenwich Netherlands Holdings B.V.
Accounts type
Audit exemption subsidiary
Region
Greater London
Address
Westgate Hanger Lane
Park Royal
London
W5 1UA

Filing status

Accounts due
30 September 2027
Last accounts
31 December 2025
Conf. stmt due
18 November 2026
Last conf. stmt
4 November 2025

Charges

Total
5
Outstanding
1
Part satisfied
0
Satisfied
4

Officers 3 active

Officer details are public data from the Companies House register.

Director · Appointed 1 August 2024
Also at Fifty5blue Audiences Ltd
British
Born January 1973 (53)
Macey, Rachel Jane
Director · Appointed 30 April 2024
British
Born March 1983 (43)
Cherry, Paul Francis
Director · Appointed 1 September 2023
British
Born December 1976 (49)
Officer history (25 former)
1 August 2024
Appointed Porter, Lucy Mary as Director
30 June 2024
Resigned Lazenby, Marie Louise as Director
30 April 2024
Resigned Sanderson, Sarah as Director
30 April 2024
Appointed Macey, Rachel Jane as Director
1 September 2023
Resigned Richardson, Giles Harvey Roberts as Secretary
1 September 2023
Appointed Lazenby, Marie Louise as Director
1 September 2023
Appointed Sanderson, Sarah as Director
1 September 2023
1 September 2023
Appointed Cherry, Paul Francis as Director
21 May 2020
Resigned Brown, Andrew James as Director
30 April 2017
Appointed Richardson, Giles Harvey Roberts as Secretary
30 April 2017
Resigned Wild, Mark Ashley as Director
30 April 2017
Resigned Wild, Mark Ashley as Secretary
14 April 2017
Resigned Haworth, John Roger as Director
8 February 2017
Appointed Richardson, Giles Harvey Roberts as Director
15 May 2013
Appointed Brown, Andrew James as Director
11 January 2013
Resigned Asquith, Richard John as Director
5 February 2008
Resigned Payne, Andrew Robertson as Secretary
5 February 2008
Resigned Brown, Andrew James as Director
5 February 2008
Appointed Wild, Mark Ashley as Secretary
5 February 2008
Appointed Asquith, Richard John as Director
5 February 2008
Appointed Wild, Mark Ashley as Director
5 February 2008
Resigned Payne, Andrew Robertson as Director
12 December 2002
Resigned O'Brien, John Francis as Director
5 April 2002
Resigned Orton, Simon Jeremy as Director
14 January 2002
Appointed Haworth, John Roger as Director
30 November 2001
Resigned Holliss, David Kingsley as Secretary
30 November 2001
Resigned Holliss, David Kingsley as Director
30 November 2001
Appointed Payne, Andrew Robertson as Director
30 November 2001
Appointed Payne, Andrew Robertson as Secretary
25 June 2001
Appointed Brown, Andrew James as Director
25 June 2001
Resigned Silman, Richard Spencer Paul as Director
30 April 1999
Resigned Hall, Stella Mary as Director
14 May 1995
Resigned Bowles, Timothy Stephen as Director
31 March 1995
Resigned Samuels, John Arthur as Director
28 September 1994
Resigned Mesure, Derek Quentin as Director
30 June 1994
Resigned Wyndham, Jeremy as Director
16 November 1993
Appointed Mesure, Derek Quentin as Director
8 November 1993
Resigned Read, Graham Jefferson as Director
1 September 1993
Appointed Wyndham, Jeremy as Director
8 March 1993
Resigned Phillips, Adam Ivor Cargill as Director
8 March 1993
Appointed Read, Graham Jefferson as Director
13 January 1992
Resigned Jung, Helmut, Dr as Director
2 January 1992
Appointed Orton, Simon Jeremy as Director
2 January 1992
Appointed Silman, Richard Spencer Paul as Director
2 January 1992
Appointed Hall, Stella Mary as Director

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Greenwich Netherlands Holdings B.V.
Corporate entity · Notified 1 August 2025
Owns 75–100% of shares
Holds 75–100% of voting rights
Private Limited Liability Company
Reg. no. 96537906

Holdings 1

Companies where Fifty5blue UK Ltd. is registered as a person with significant control

Owns 75–100% of shares
Active
Former controllers (4)
1 August 2025
Ceased Kantar Group Holdings Ltd — Owns 75–100% of shares
5 December 2019
Ceased WPP 2005 Limited — Owns 75–100% of shares
23 October 2019
Ceased Mortimer Square Limited — Owns 50–75% of shares
23 October 2019
Ceased J. Walter Thompson U.K. Holdings Limited — Owns 25–50% of shares

What Fifty5blue UK say about themselves

“Your window on what the world is watching. As viewing habits splinter and platforms multiply, unified measurement is essential. We are meeting that need with smarter systems and a business built for transformation. Enabling content owners, advertisers and platforms to act with clarity and confidence”

— from fifty5blue.com

Filings 201

DateDescriptionMade Up ToPagesPDF
30 October 2026Other filing
30 October 2026Other filing
30 October 2026Audit exemption subsidiary accounts31 December 2025
30 October 2026Accounts filing
26 March 2026Certificate of change of name
Show all 201 filings

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