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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals 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
Inapplicable
parent relation
Individuals in focus

Dr Thomas Crispian Tarrant

    Related profiles found in government register
  • Dr Thomas Crispian Tarrant
    British born in April 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 1, Scholars Walk, Chalfont St. Peter, Gerrards Cross, Buckinghamshire, SL9 0EJ, England

      IIF 1
  • Dr Thomas Crispian Tarrant
    British born in April 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 5th, Floor, Kingsbourne House 229-231 High Holborn, London, WC1V 7DA, United Kingdom

      IIF 2
  • Tarrant, Thomas Crispian, Dr
    British born in April 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 1, Scholars Walk, Chalfont St. Peter, Gerrards Cross, Buckinghamshire, SL9 0EJ, England

      IIF 3

    • icon of address Chicheley House, Chicheley, Newport Pagnell, Bucks, MK16 9JH, United Kingdom

      IIF 4
  • Tarrant, Thomas Crispian, Dr
    British company director born in April 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 5th Floor, Kingsbourne House, 229-231 High Holborn, London, WC1V 7DA

      IIF 5
  • Dr Crispian Thomas Tarrant
    British born in April 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Kingsbourne House, 229-231 High Holborn, London, WC1V 7DA

      IIF 6
  • Tarrant, Thomas Crispian, Dr
    British born in April 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Summit House, 12 Red Lion Square, London, WC1R 4QH, England

      IIF 7
  • Tarrant, Thomas Crispian, Dr
    British company director born in April 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 12-20, Baron Street, London, N1 9LL, England

      IIF 8 IIF 9

    • icon of address 3, Thomas More Square, C/o Ipsos Cfo, London, E1W 1YW, England

      IIF 10

    • icon of address Chicheley House, Hall Lane, Chicheley, Newport Pagnell, Buckinghamshire, MK16 9JH, England

      IIF 11
  • Tarrant, Thomas Crispian, Dr
    British director born in April 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 3, Thomas More Square, C/o Ipsos Cfo, London, E1W 1YW, England

      IIF 12
  • Tarrant, Thomas Crispian, Dr
    British company director

    Registered addresses and corresponding companies

    • icon of address 5th Floor, Kingsbourne House, 229-231 High Holborn, London, WC1V 7DA

      IIF 13

    • icon of address Chicheley House, Hall Lane, Chicheley, Newport Pagnell, Buckinghamshire, MK16 9JH

      IIF 14
  • Tarrant, Thomas Crispian, Doctor

    Registered addresses and corresponding companies

    • icon of address 5th, Floor Kingsbourne House, 229 - 231high Holborn, London, WC1V 7DA, United Kingdom

      IIF 15
child relation
Offspring entities and appointments
Active 4
  • 1
    icon of address 5th Floor, Kingsbourne House, 229-231 High Holborn, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2008-01-31 ~ dissolved
    IIF 5 - Director → ME
    icon of calendar 2008-01-31 ~ dissolved
    IIF 13 - Secretary → ME
  • 2
    icon of address 1 Scholars Walk, Chalfont St. Peter, Gerrards Cross, Buckinghamshire, England
    Active Corporate (3 parents, 1 offspring)
    Equity (Company account)
    640 GBP2024-12-31
    Officer
    icon of calendar 2019-09-21 ~ now
    IIF 3 - Director → ME
    Person with significant control
    icon of calendar 2019-09-21 ~ now
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 1 - Ownership of shares – More than 25% but not more than 50% → OE
  • 3
    icon of address 10 Oving Road, Whitchurch, Aylesbury, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    157,367 GBP2024-12-31
    Officer
    icon of calendar 2023-10-17 ~ now
    IIF 4 - Director → ME
  • 4
    icon of address Summit House, 12 Red Lion Square, London, England
    Active Corporate (4 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    -615,252 GBP2024-07-31
    Officer
    icon of calendar 2015-07-10 ~ now
    IIF 7 - Director → ME
Ceased 5
  • 1
    icon of address 3 Thomas More Square, C/o Ipsos Cfo, London, England
    Active Corporate (3 parents)
    Profit/Loss (Company account)
    -132 GBP2024-01-01 ~ 2024-12-31
    Officer
    icon of calendar 2014-04-07 ~ 2025-06-21
    IIF 10 - Director → ME
  • 2
    BUSINESS DEVELOPMENT RESEARCH CONSULTANTS LIMITED - 2010-09-23
    INDEXBOOM LIMITED - 1991-03-18
    icon of address 3 Thomas More Square, C/o Ipsos Cfo, London, England
    Active Corporate (4 parents)
    Equity (Company account)
    5,459,756 GBP2024-12-31
    Officer
    icon of calendar 1991-02-04 ~ 2025-06-21
    IIF 8 - Director → ME
    icon of calendar 1991-02-04 ~ 2008-04-16
    IIF 14 - Secretary → ME
  • 3
    BDRC CONTINENTAL LIMITED - 2010-09-23
    BDRC GROUP LIMITED - 2009-06-23
    icon of address 3 Thomas More Square, C/o Ipsos Cfo, London, England
    Active Corporate (3 parents, 6 offsprings)
    Profit/Loss (Company account)
    -2,169 GBP2024-01-01 ~ 2024-12-31
    Officer
    icon of calendar 2008-12-23 ~ 2025-06-21
    IIF 9 - Director → ME
    Person with significant control
    icon of calendar 2016-04-06 ~ 2018-05-30
    IIF 2 - Ownership of voting rights - More than 50% but less than 75% → OE
  • 4
    icon of address 3 Thomas More Square, C/o Ipsos Cfo, London, England
    Active Corporate (3 parents)
    Profit/Loss (Company account)
    519,819 GBP2024-01-01 ~ 2024-12-31
    Officer
    icon of calendar 2012-05-11 ~ 2025-06-21
    IIF 12 - Director → ME
    icon of calendar 2012-05-11 ~ 2016-12-28
    IIF 15 - Secretary → ME
  • 5
    icon of address 3 Thomas More Square, C/o Ipsos Cfo, London, England
    Active Corporate (3 parents)
    Profit/Loss (Company account)
    123,765 GBP2024-01-01 ~ 2024-12-31
    Officer
    icon of calendar 2013-12-04 ~ 2025-06-21
    IIF 11 - Director → ME
    Person with significant control
    icon of calendar 2016-04-06 ~ 2016-04-06
    IIF 6 - Ownership of shares – More than 50% but less than 75% as a member of a firm → OE

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.