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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Active 3
  • 1
    Willford, Christopher Patrick
    Born in July 1962
    Individual (9 offsprings)
    Officer
    2020-08-04 ~ now
    OF - Director → CIF 0
    Willford, Christopher Patrick
    Individual (9 offsprings)
    Officer
    2020-10-12 ~ now
    OF - Secretary → CIF 0
  • 2
    Kearon, John Victor
    Born in October 1965
    Individual (6 offsprings)
    Officer
    1999-12-29 ~ now
    OF - Director → CIF 0
  • 3
    BRAINJUICER GROUP PLC - 2017-03-23
    BRAINJUICER GROUP LIMITED - 2006-11-28
    4, More London Riverside, London, United Kingdom
    Active Corporate (8 parents, 3 offsprings)
    Person with significant control
    2016-12-28 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
Ceased 13
  • 1
    Geddes, James Brodie
    Born in July 1962
    Individual (7 offsprings)
    Officer
    2003-01-22 ~ 2020-04-03
    OF - Director → CIF 0
    Geddes, James Brodie
    Individual (7 offsprings)
    Officer
    2003-12-05 ~ 2020-04-03
    OF - Secretary → CIF 0
  • 2
    Holgate, Michael William
    Born in February 1951
    Individual (1 offspring)
    Officer
    1999-12-29 ~ 2000-04-25
    OF - Director → CIF 0
    Holgate, Michael William
    Individual (1 offspring)
    Officer
    1999-12-29 ~ 2000-04-25
    OF - Secretary → CIF 0
  • 3
    Kearon, Sarah
    Individual
    Officer
    2000-04-25 ~ 2003-12-05
    OF - Secretary → CIF 0
  • 4
    Ford, Eric Kenelm
    Born in May 1949
    Individual (13 offsprings)
    Officer
    2008-01-29 ~ 2018-07-28
    OF - Director → CIF 0
  • 5
    Godfrey, Simon Cedric Valentine
    Born in August 1949
    Individual
    Officer
    2003-01-22 ~ 2012-09-30
    OF - Director → CIF 0
  • 6
    Marsden, Paul
    Born in November 1967
    Individual (1 offspring)
    Officer
    2000-01-17 ~ 2000-11-14
    OF - Director → CIF 0
  • 7
    Carey, Michael John
    Born in November 1959
    Individual (2 offsprings)
    Officer
    2003-01-22 ~ 2006-02-28
    OF - Director → CIF 0
  • 8
    Chien, Yvonne
    Born in October 1973
    Individual (1 offspring)
    Officer
    2003-01-22 ~ 2005-12-06
    OF - Director → CIF 0
  • 9
    Hogbin, Andrew
    Born in June 1965
    Individual (5 offsprings)
    Officer
    2003-01-22 ~ 2004-11-03
    OF - Director → CIF 0
  • 10
    Muth, Mark Philip
    Born in January 1954
    Individual (2 offsprings)
    Officer
    2003-01-22 ~ 2012-04-30
    OF - Director → CIF 0
  • 11
    Kearon, John Victor
    Individual (6 offsprings)
    Officer
    2020-04-03 ~ 2020-10-12
    OF - Secretary → CIF 0
  • 12
    VISTRA DEPOSITARY SERVICES (UK) LIMITED - now
    ORANGEFIELD DEPOSITARY SERVICES (UK) LIMITED - 2016-07-15
    6-8 Underwood Street, London
    Active Corporate (4 parents, 2 offsprings)
    Equity (Company account)
    276,057 GBP2023-12-31
    Officer
    1999-12-29 ~ 1999-12-29
    PE - Nominee Secretary → CIF 0
  • 13
    VISTRA NOMINEES (UK) LIMITED - now
    ORANGEFIELD NOMINEES LIMITED - 2016-07-15
    6-8 Underwood Street, London
    Dissolved Corporate (4 parents, 2 offsprings)
    Officer
    1999-12-29 ~ 1999-12-29
    PE - Nominee Director → CIF 0
parent relation
Company in focus

SYSTEM1 RESEARCH LIMITED

Previous names
BRAINJUICER LIMITED - 2017-03-14
BRAINJUICER.COM LIMITED - 2003-03-18
CREATIVE-TOOLBOX.COM LIMITED - 2000-04-19
RESEARCH-TOOLBOX.COM LIMITED - 2000-03-02
Standard Industrial Classification
73200 - Market Research And Public Opinion Polling

Related profiles found in government register
  • SYSTEM1 RESEARCH LIMITED
    Info
    BRAINJUICER LIMITED - 2017-03-14
    BRAINJUICER.COM LIMITED - 2017-03-14
    CREATIVE-TOOLBOX.COM LIMITED - 2017-03-14
    RESEARCH-TOOLBOX.COM LIMITED - 2017-03-14
    Registered number 03900547
    4 More London Riverside, London SE1 2AU
    PRIVATE LIMITED COMPANY incorporated on 1999-12-29 (26 years 1 month). The company status is Active.
    The last date of confirmation statement was made at 2024-12-29
    CIF 0
  • SYSTEM1 RESEARCH LIMITED
    S
    Registered number 03900547
    Russell Square House, 10-12 Russell Square, London, United Kingdom, WC1B 5EH
    Limited Company in Companies House, England
    CIF 1
child relation
Offspring entities and appointments
Active 1
  • SYSTEM1 GROUP LIMITED - 2017-03-23
    Russell Square House, 10-12 Russell Square, London, United Kingdom
    Dissolved Corporate (3 parents)
    Person with significant control
    2016-10-20 ~ dissolved
    CIF 1 - Ownership of shares – 75% or moreOE
    CIF 1 - Right to appoint or remove directorsOE
    CIF 1 - Ownership of voting rights - 75% or moreOE

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.