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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

Mr Anthony Jay Williamson

    Related profiles found in government register
  • Mr Anthony Jay Williamson
    British born in May 1956

    Resident in England

    Registered addresses and corresponding companies
    • Pennyfield, 3a Hacketts Lane, Pyrford, Surrey, GU22 8PJ

      IIF 1
  • Williamson, Anthony Jay
    British born in May 1956

    Resident in England

    Registered addresses and corresponding companies
    • Pennyfield, 3a Hacketts Lane, Pyrford, Surrey, GU22 8PJ

      IIF 2
  • Williamson, Anthony Jay
    British oil company executive born in May 1956

    Resident in England

    Registered addresses and corresponding companies
    • 1-3, The Strand, London, WC2N 5EJ

      IIF 3
    • Pennyfield, 3a Hacketts Lane, Pyrford, Surrey, GU22 8PJ

      IIF 4
  • Williamson, Anthony Jay
    born in May 1956

    Resident in England

    Registered addresses and corresponding companies
    • Antrobus House, 18 College Street, Petersfield, Hampshire, GU31 4AD, England

      IIF 5
  • Williamson, Anthony Jay
    British sales & customer service manager

    Registered addresses and corresponding companies
    • Pennyfield, 3a Hacketts Lane, Pyrford, Surrey, GU22 8PJ

      IIF 6
child relation
Offspring entities and appointments
Active 2
  • 1
    Pennyfield, 3a Hacketts Lane, Pyrford, Surrey
    Active Corporate (2 parents)
    Officer
    1999-12-07 ~ now
    IIF 2 - Director → ME
    Person with significant control
    2017-01-01 ~ now
    IIF 1 - Has significant influence or controlOE
  • 2
    Antrobus House, 18 College Street, Petersfield, Hampshire, England
    Active Corporate (15 parents)
    Officer
    2025-12-06 ~ now
    IIF 5 - LLP Member → ME
Ceased 3
  • 1
    Pennyfield, 3a Hacketts Lane, Pyrford, Surrey
    Active Corporate (2 parents)
    Officer
    1999-12-07 ~ 2023-11-22
    IIF 6 - Secretary → ME
  • 2
    DONG ENERGY POWER SALES UK LIMITED - 2017-10-30
    MAGNETIC ENERGY SUPPLY LIMITED - 2012-12-10
    5 Howick Place, London
    Active Corporate (3 parents)
    Officer
    2012-10-30 ~ 2015-04-10
    IIF 3 - Director → ME
  • 3
    DONG ENERGY SALES (UK) LIMITED - 2017-10-30
    SHELL GAS DIRECT LIMITED - 2012-05-01
    QUADRANT GAS LIMITED - 1998-01-01
    QUANTUM GAS LIMITED - 1989-10-17
    SIMPLISTIC LIMITED - 1989-09-05
    5 Howick Place, London
    Active Corporate (3 parents)
    Officer
    2008-05-16 ~ 2015-04-10
    IIF 4 - Director → ME

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