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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.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Calvert, John Michael

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

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 5th Floor, 10 Brook Street, Mayfair, London, W1S 1BG, United Kingdom

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

    Registered addresses and corresponding companies
    • Brick House Farm, Cherry Street, Duton Hill, Dunmow, Essex, CM6 2EE

      IIF 2 IIF 3 IIF 4
  • Calvert, John Michael, Mr.
    British born in December 1955

    Resident in England

    Registered addresses and corresponding companies
    • Augustine House, 2nd Floor, 6a Austin Friars, London, EC2N 2HA, England

      IIF 5
    • Tudor House, Bridge End, Newport, Essex, CB11 3TH, England

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

    Resident in England

    Registered addresses and corresponding companies
    • 8-10, Grosvenor Gardens, London, SW1W 0DH, United Kingdom

      IIF 7 IIF 8
  • Calvert, John Michael, Mr.
    British chartered accountant born in December 1955

    Resident in England

    Registered addresses and corresponding companies
  • Calvert, John Michael, Mr.
    British company director born in December 1955

    Resident in England

    Registered addresses and corresponding companies
    • Tudor House, Bridge End, Newport, Essex, CB11 3TH

      IIF 12
  • Calvert, John Michael, Mr.
    British divisional manager born in December 1955

    Resident in England

    Registered addresses and corresponding companies
    • 4th, Floor, 25 Copthall Avenue, London, EC2R 7BP, England

      IIF 13
  • Mr John Michael Calvert
    British born in December 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Tudor House, Bridge End, Newport, Essex, CB11 3TH

      IIF 14
  • Calvert, John Michael, Mr.
    British

    Registered addresses and corresponding companies
    • Tudor House, Bridge End, Newport, Essex, CB11 3TH

      IIF 15
  • Calvert, John Michael, Mr.
    born in December 1955

    Resident in England

    Registered addresses and corresponding companies
    • Tudor House, Bridge End, Newport, , CB11 3TH,

      IIF 16
child relation
Offspring entities and appointments 14
  • 1
    ABIDE FINANCIAL LTD
    07508665
    30 Finsbury Square, London
    Dissolved Corporate (22 parents, 2 offsprings)
    Officer
    2011-05-10 ~ 2012-08-31
    IIF 13 - Director → ME
  • 2
    ENERGY BROKER INVESTMENTS LLP
    OC318858
    2nd Floor Saxon House, Heritage Gate Friary Street, Derby, Derbyshire
    Dissolved Corporate (1 parent)
    Officer
    2006-04-04 ~ 2006-12-15
    IIF 16 - LLP Designated Member → ME
  • 3
    FULTON PREBON ADMINISTRATION LIMITED
    - now 02564751
    BABCOCK FULTON PREBON INTERNATIONAL LIMITED
    - 1991-09-17 02564751
    POWERSMART LIMITED
    - 1991-07-26 02564751
    Tower 42 Level 37, 25 Old Broad Street, London
    Dissolved Corporate (24 parents)
    Officer
    ~ 1998-02-13
    IIF 4 - Director → ME
  • 4
    GGC SECURITIES LTD
    - now 09088764
    AENEIS PARTNERS LIMITED - 2023-05-30
    5th Floor 10 Brook Street, Mayfair, London, United Kingdom
    Active Corporate (6 parents)
    Officer
    2025-06-01 ~ now
    IIF 1 - Director → ME
  • 5
    GMG BROKERS LTD
    - now 06775037
    LEADING HEDGE LTD. - 2009-07-02
    G2 ADVISORS LTD - 2009-01-21
    4th Floor 33-35 Cornhill, London, London, England
    Active Corporate (14 parents)
    Officer
    2024-04-19 ~ now
    IIF 5 - Director → ME
  • 6
    JOHN CALVERT (CONSULTANCY) LIMITED
    06803491 08534971
    Tudor House, Bridge End, Newport, Essex
    Dissolved Corporate (1 parent)
    Officer
    2009-01-28 ~ dissolved
    IIF 9 - Director → ME
  • 7
    JOHN CALVERT CONSULTANCY LIMITED
    08534971 06803491
    Tudor House, Bridge End, Newport, Essex
    Active Corporate (2 parents)
    Officer
    2013-05-17 ~ now
    IIF 6 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 14 - Ownership of shares – More than 25% but not more than 50% OE
  • 8
    LINEAR INVESTMENT PARTNERS LIMITED
    - now 07073455
    QUANT EXECUTION MANAGEMENT SERVICES LIMITED
    - 2013-04-15 07073455
    INLAW THREE HUNDRED AND THIRTY SIX LIMITED - 2010-03-04
    Mermaid House, 2 Puddle Dock, London, England
    Active Corporate (8 parents, 1 offspring)
    Officer
    2012-09-25 ~ 2013-05-10
    IIF 8 - Director → ME
  • 9
    LINEAR INVESTMENTS LIMITED
    07330725
    Mermaid House, 2 Puddle Dock, London, England
    Active Corporate (14 parents, 2 offsprings)
    Officer
    2012-09-25 ~ 2013-05-10
    IIF 7 - Director → ME
  • 10
    PREBON SERVICES LIMITED - now
    TULLETT PREBON (OIL) LIMITED - 2008-05-01
    PREBON SERVICES LIMITED
    - 2008-04-10 02637278 02699385
    F.P. SERVICES LIMITED
    - 1992-03-23 02637278
    MAWLAW 125 LIMITED
    - 1991-09-05 02637278 02637270... (more)
    Tower 42 Level 37, 25 Old Broad Street, London, United Kingdom
    Dissolved Corporate (24 parents)
    Officer
    ~ 1998-02-13
    IIF 3 - Director → ME
  • 11
    ST. THOMAS MORE MONTESSORI PRE SCHOOL LIMITED
    06636999
    St Thomas More Primary School, South Road, Saffron Walden, England
    Dissolved Corporate (16 parents)
    Officer
    2008-07-03 ~ 2009-06-30
    IIF 11 - Director → ME
  • 12
    THE LAND OF ME LIMITED
    - now 06698849
    MADE IN ME LIMITED
    - 2011-11-23 06698849 08869165... (more)
    Unit 10 1 Luke Street, London, United Kingdom
    Dissolved Corporate (10 parents)
    Officer
    2009-07-01 ~ 2012-09-04
    IIF 12 - Director → ME
  • 13
    TULLETT PREBON (OIL) LIMITED - now
    PRIMEX ENERGY BROKERS LIMITED
    - 2008-05-01 05763650
    AMEREX EUROPE LIMITED
    - 2007-10-31 05763650
    PRIMEX ENERGY BROKERS LIMITED
    - 2007-02-27 05763650
    FUEL OIL LIMITED
    - 2006-10-24 05763650
    Tower 42 Level 37 25 Old Broad Street, London
    Dissolved Corporate (19 parents)
    Officer
    2006-03-31 ~ 2008-03-20
    IIF 10 - Director → ME
    2006-03-31 ~ 2008-03-20
    IIF 15 - Secretary → ME
  • 14
    TULLETT PREBON (UK) LIMITED - now
    PREBON MARSHALL YAMANE (UK) LIMITED - 2005-09-01
    PREBON YAMANE (UK) LIMITED
    - 1999-06-01 01908771
    BABCOCK FULTON PREBON LIMITED
    - 1992-07-31 01908771
    BABCOCK & BROWN (KW) LIMITED
    - 1990-04-10 01908771
    BABCOCK & BROWN (MONEY MARKET) LIMITED
    - 1989-06-15 01908771
    MONEY MARKET AGENCIES LIMITED
    - 1986-07-16 01908771
    PRECIS (456) LIMITED
    - 1986-01-16 01908771 01908770... (more)
    135 Bishopsgate, London, England
    Dissolved Corporate (66 parents)
    Officer
    ~ 1998-02-13
    IIF 2 - Director → ME

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