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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. Brian Robert Leaker

    Related profiles found in government register
  • 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

    • icon of address Fitzrovia Hospital, 13-14 Fitzroy Square, London, W1T 6AH, England

      IIF 11
  • Leaker, Brian Robert, Dr.
    British company director born in September 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 6 The Postern, Barbican, London, EC2Y 8BJ, United Kingdom

      IIF 12
  • Leaker, Brian Robert, Dr.
    British director born in September 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 1 Tower House, Tower Cenrre, Hoddesdon, Hertfordshire, EN11 8UR, England

      IIF 13 IIF 14 IIF 15

    • icon of address 6 The Postern, Barbican, London, EC2Y 8BJ

      IIF 16

    • icon of address 6 The Postern, Barbican, London, EC2Y 8BJ, United Kingdom

      IIF 17 IIF 18
  • Leaker, Brian Robert, Dr.
    British doctor born in September 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 13-14, Fitzroy Square, London, W1T 6AH, United Kingdom

      IIF 19

    • icon of address 311, Regents Park Road, London, N3 1DP, England

      IIF 20

    • icon of address 6 The Postern, Barbican, London, EC2Y 8BJ

      IIF 21 IIF 22 IIF 23

    • icon of address 6, The Postern, Barbican, London, EC2Y 8BJ, United Kingdom

      IIF 25
  • Leaker, Brian Robert, Dr.
    British doctor

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

    Registered addresses and corresponding companies

    • icon of address 6, The Postern, Barbican, London, EC2Y 8BJ, United Kingdom

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

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Contains public sector information retrieved at 16 October 2025 and licensed under the Open Government Licence v3.0.