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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

Leaker, Brian Robert, Dr.

    Related profiles found in government register
  • Leaker, Brian Robert, Dr.
    British doctor

    Registered addresses and corresponding companies
  • Leaker, Brian Robert, Dr.

    Registered addresses and corresponding companies
    • 6, The Postern, Barbican, London, EC2Y 8BJ, United Kingdom

      IIF 5
  • Leaker, Brian Robert, Dr.
    British born in September 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Leaker, Brian Robert, Dr.
    British doctor born in September 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 13-14, Fitzroy Square, London, W1T 6AH, United Kingdom

      IIF 17
    • 311, Regents Park Road, London, N3 1DP, England

      IIF 18
    • 6, The Postern, Barbican, London, EC2Y 8BJ, United Kingdom

      IIF 19
  • Dr. Brian Robert Leaker
    British born in September 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Dr. Brian Robert Leaker
    British born in September 1956

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Fitzrovia Hospital, 13-14 Fitzroy Square, London, W1T 6AH, England

      IIF 30
child relation
Offspring entities and appointments
Active 13
  • 1
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (1 parent, 3 offsprings)
    Equity (Company account)
    4 GBP2024-11-30
    Officer
    2017-11-02 ~ now
    IIF 14 - Director → ME
    Person with significant control
    2017-11-02 ~ now
    IIF 27 - Ownership of voting rights - 75% or moreOE
    IIF 27 - Right to appoint or remove directorsOE
    IIF 27 - Ownership of shares – 75% or moreOE
  • 2
    18-22 Queen Anne Street, London
    Dissolved Corporate (1 parent)
    Equity (Company account)
    100 GBP2017-01-31
    Officer
    2013-01-22 ~ dissolved
    IIF 19 - Director → ME
    2013-01-22 ~ dissolved
    IIF 5 - Secretary → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 28 - Ownership of voting rights - 75% or moreOE
    IIF 28 - Ownership of shares – 75% or moreOE
  • 3
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-07-31
    Officer
    2019-07-05 ~ now
    IIF 15 - Director → ME
  • 4
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (1 parent)
    Equity (Company account)
    1 GBP2024-01-31
    Officer
    2017-01-13 ~ now
    IIF 16 - Director → ME
    Person with significant control
    2017-01-13 ~ now
    IIF 26 - Ownership of shares – 75% or moreOE
    IIF 26 - Ownership of voting rights - 75% or moreOE
  • 5
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    100 GBP2024-01-31
    Officer
    2022-01-25 ~ now
    IIF 8 - Director → ME
    Person with significant control
    2022-01-25 ~ now
    IIF 21 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 21 - Ownership of shares – More than 25% but not more than 50%OE
  • 6
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    -199,366 GBP2024-03-31
    Officer
    2002-10-09 ~ now
    IIF 10 - Director → ME
    2002-10-09 ~ now
    IIF 3 - Secretary → ME
  • 7
    PHARMACO DYNAMICS LIMITED - 2018-04-30
    1 Tower House, Tower Centre, Hoddesedon, Hertfordshire, England
    Active Corporate (3 parents)
    Equity (Company account)
    100 GBP2024-07-31
    Officer
    2009-07-02 ~ now
    IIF 11 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 25 - Ownership of voting rights - 75% or moreOE
    IIF 25 - Ownership of shares – 75% or moreOE
  • 8
    THE HEART LUNG CENTRE LIMITED - 2008-12-28
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents, 2 offsprings)
    Equity (Company account)
    1,869,534 GBP2024-03-31
    Officer
    2003-12-16 ~ now
    IIF 13 - Director → ME
    2003-12-16 ~ now
    IIF 1 - Secretary → ME
  • 9
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents, 1 offspring)
    Equity (Company account)
    -860,044 GBP2024-03-31
    Officer
    2002-05-09 ~ now
    IIF 9 - Director → ME
    2002-05-09 ~ now
    IIF 4 - Secretary → ME
  • 10
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    100 GBP2024-01-31
    Officer
    2023-01-30 ~ now
    IIF 7 - Director → ME
    Person with significant control
    2023-01-30 ~ now
    IIF 20 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 20 - Ownership of shares – More than 25% but not more than 50%OE
  • 11
    Fitzrovia Hospital, 13-14 Fitzroy Square, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    -440 GBP2025-01-31
    Person with significant control
    2019-01-21 ~ now
    IIF 30 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 30 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 12
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (1 parent)
    Equity (Company account)
    1 GBP2024-05-31
    Officer
    2021-05-14 ~ now
    IIF 6 - Director → ME
    Person with significant control
    2021-05-14 ~ now
    IIF 22 - Ownership of shares – 75% or moreOE
  • 13
    QUEEN ANNE STREET MEDICAL CENTRE LIMITED - 2008-12-28
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    -706 GBP2024-03-31
    Officer
    2004-10-08 ~ now
    IIF 12 - Director → ME
    2004-10-08 ~ now
    IIF 2 - Secretary → ME
Ceased 5
  • 1
    311 Regents Park Road, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    -590,259 GBP2024-07-31
    Officer
    2017-02-24 ~ 2024-09-17
    IIF 18 - Director → ME
  • 2
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-07-31
    Person with significant control
    2019-07-05 ~ 2019-07-05
    IIF 29 - Ownership of shares – 75% or more OE
    IIF 29 - Ownership of voting rights - 75% or more OE
  • 3
    C/o Hillier Hopkins Llp First Floor, Radius House, 51 Clarendon Road, Watford, Hertfordshire, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-10-31
    Officer
    2020-10-28 ~ 2024-08-20
    IIF 17 - Director → ME
  • 4
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    -199,366 GBP2024-03-31
    Person with significant control
    2016-04-06 ~ 2018-12-18
    IIF 24 - Ownership of shares – 75% or more OE
    IIF 24 - Ownership of voting rights - 75% or more OE
  • 5
    1 Tower House, Tower Centre, Hoddesdon, Hertfordshire, England
    Active Corporate (2 parents, 1 offspring)
    Equity (Company account)
    -860,044 GBP2024-03-31
    Person with significant control
    2016-04-06 ~ 2017-11-27
    IIF 23 - Ownership of voting rights - 75% or more OE
    IIF 23 - Ownership of shares – 75% or more OE

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