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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

Calvert, John Michael, Mr.

    Related profiles found in government register
  • Calvert, John Michael, Mr.
    British accountant born in December 1955

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 8-10, Grosvenor Gardens, London, SW1W 0DH, United Kingdom

      IIF 1 IIF 2
  • Calvert, John Michael, Mr.
    British chartered accountant born in December 1955

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Tudor House, Bridge End, Newport, Essex, CB11 3TH

      IIF 3 IIF 4 IIF 5

    • icon of address Tudor House, Bridge End, Newport, Essex, CB11 3TH, England

      IIF 6
  • Calvert, John Michael, Mr.
    British company director born in December 1955

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Tudor House, Bridge End, Newport, Essex, CB11 3TH

      IIF 7
  • Calvert, John Michael, Mr.
    British divisional manager born in December 1955

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 4th, Floor, 25 Copthall Avenue, London, EC2R 7BP, England

      IIF 8
  • Calvert, John Michael, Mr.
    British non-executive director born in December 1955

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 4th Floor, 33-35 Cornhill, London, London, EC3V 3ND, England

      IIF 9
  • Calvert, John Michael, Mr.
    born in December 1955

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Tudor House, Bridge End, Newport, , CB11 3TH,

      IIF 10
  • Calvert, John Michael
    British chartered accountant born in December 1955

    Registered addresses and corresponding companies
  • Calvert, John Michael, Mr.
    British

    Registered addresses and corresponding companies

    • icon of address Tudor House, Bridge End, Newport, Essex, CB11 3TH

      IIF 14
  • Mr John Michael Calvert
    British born in December 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address Tudor House, Bridge End, Newport, Essex, CB11 3TH

      IIF 15
child relation
Offspring entities and appointments
Active 3
  • 1
    LEADING HEDGE LTD. - 2009-07-02
    G2 ADVISORS LTD - 2009-01-21
    icon of address 4th Floor 33-35 Cornhill, London, London, England
    Active Corporate (4 parents)
    Equity (Company account)
    2,385,433 GBP2024-12-31
    Officer
    icon of calendar 2024-04-19 ~ now
    IIF 9 - Director → ME
  • 2
    icon of address Tudor House, Bridge End, Newport, Essex
    Active Corporate (2 parents)
    Equity (Company account)
    42,445 GBP2025-03-31
    Officer
    icon of calendar 2013-05-17 ~ now
    IIF 6 - Director → ME
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    IIF 15 - Ownership of shares – More than 25% but not more than 50% → OE
  • 3
    Company number 06803491
    Non-active corporate
    Officer
    icon of calendar 2009-01-28 ~ now
    IIF 3 - Director → ME
Ceased 10
  • 1
    icon of address 30 Finsbury Square, London
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2011-05-10 ~ 2012-08-31
    IIF 8 - Director → ME
  • 2
    BABCOCK FULTON PREBON INTERNATIONAL LIMITED - 1991-09-17
    POWERSMART LIMITED - 1991-07-26
    icon of address Tower 42 Level 37, 25 Old Broad Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar ~ 1998-02-13
    IIF 13 - Director → ME
  • 3
    QUANT EXECUTION MANAGEMENT SERVICES LIMITED - 2013-04-15
    INLAW THREE HUNDRED AND THIRTY SIX LIMITED - 2010-03-04
    icon of address Mermaid House, 2 Puddle Dock, London, England
    Active Corporate (2 parents, 1 offspring)
    Officer
    icon of calendar 2012-09-25 ~ 2013-05-10
    IIF 2 - Director → ME
  • 4
    icon of address Mermaid House, 2 Puddle Dock, London, England
    Active Corporate (4 parents, 1 offspring)
    Equity (Company account)
    7,441,253 GBP2024-03-31
    Officer
    icon of calendar 2012-09-25 ~ 2013-05-10
    IIF 1 - Director → ME
  • 5
    TULLETT PREBON (OIL) LIMITED - 2008-05-01
    PREBON SERVICES LIMITED - 2008-04-10
    F.P. SERVICES LIMITED - 1992-03-23
    MAWLAW 125 LIMITED - 1991-09-05
    icon of address Tower 42 Level 37, 25 Old Broad Street, London, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar ~ 1998-02-13
    IIF 12 - Director → ME
  • 6
    icon of address St Thomas More Primary School, South Road, Saffron Walden, England
    Dissolved Corporate
    Total Assets Less Current Liabilities (Company account)
    66,354 GBP2017-07-31
    Officer
    icon of calendar 2008-07-03 ~ 2009-06-30
    IIF 5 - Director → ME
  • 7
    MADE IN ME LIMITED - 2011-11-23
    icon of address Unit 10 1 Luke Street, London, United Kingdom
    Dissolved Corporate (7 parents)
    Officer
    icon of calendar 2009-07-01 ~ 2012-09-04
    IIF 7 - Director → ME
  • 8
    PRIMEX ENERGY BROKERS LIMITED - 2008-05-01
    AMEREX EUROPE LIMITED - 2007-10-31
    PRIMEX ENERGY BROKERS LIMITED - 2007-02-27
    FUEL OIL LIMITED - 2006-10-24
    icon of address Tower 42 Level 37 25 Old Broad Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2006-03-31 ~ 2008-03-20
    IIF 4 - Director → ME
    icon of calendar 2006-03-31 ~ 2008-03-20
    IIF 14 - Secretary → ME
  • 9
    PREBON MARSHALL YAMANE (UK) LIMITED - 2005-09-01
    PREBON YAMANE (UK) LIMITED - 1999-06-01
    BABCOCK FULTON PREBON LIMITED - 1992-07-31
    BABCOCK & BROWN (KW) LIMITED - 1990-04-10
    BABCOCK & BROWN (MONEY MARKET) LIMITED - 1989-06-15
    MONEY MARKET AGENCIES LIMITED - 1986-07-16
    PRECIS (456) LIMITED - 1986-01-16
    icon of address 135 Bishopsgate, London, England
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar ~ 1998-02-13
    IIF 11 - Director → ME
  • 10
    Company number OC318858
    Non-active corporate
    Officer
    icon of calendar 2006-04-04 ~ 2006-12-15
    IIF 10 - LLP Designated Member → ME

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Contains public sector information retrieved at 26 August 2025 and licensed under the Open Government Licence v3.0.