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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

Dr Donald Leigh Williams

    Related profiles found in government register
  • Dr Donald Leigh Williams
    British born in June 1971

    Resident in England

    Registered addresses and corresponding companies
    • 7, Torriano Mews, London, NW5 2RZ, United Kingdom

      IIF 1
    • Ground Floor, 31 Kentish Town Road, London, NW1 8NL, United Kingdom

      IIF 2
    • Salatin House, 19 Cedar Road, Sutton, SM2 5DA, England

      IIF 3
    • Salatin House, 19 Cedar Road, Sutton, Surrey, SM2 5DA, United Kingdom

      IIF 4
  • Donald Leigh Williams
    British born in June 1971

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Salatin House, 19, Cedar Road, Sutton, SM2 5DA, United Kingdom

      IIF 5
  • Williams, Donald Leigh, Dr
    British born in June 1971

    Resident in England

    Registered addresses and corresponding companies
    • Grays Court, 5 Nursery Road, Edgbaston, Birmingham, B15 3JX, England

      IIF 6
    • 7, Torriano Mews, London, NW5 2RZ, England

      IIF 7
    • Ground Floor, 31 Kentish Town Road, London, NW1 8NL, England

      IIF 8
    • Salatin House, 19 Cedar Road, Sutton, SM2 5DA, England

      IIF 9
    • Salatin House, 19 Cedar Road, Sutton, Surrey, SM2 5DA, United Kingdom

      IIF 10 IIF 11
  • Williams, Donald Leigh, Dr
    British co director born in June 1971

    Resident in England

    Registered addresses and corresponding companies
    • 32, Morston Close, Tadworth, KT20 5JN, United Kingdom

      IIF 12
  • Williams, Donald Leigh, Dr
    British director born in June 1971

    Resident in England

    Registered addresses and corresponding companies
    • 32, Morston Close, Tadworth, Surrey, KT20 5JN

      IIF 13
    • Unit B-c Caxton Court, Caxton Way, Watford, WD18 8RH, England

      IIF 14
child relation
Offspring entities and appointments 8
  • 1
    BASS ENERGY LTD
    11628773
    Springhill Chapel Lane, Polruan, Fowey, Cornwall, England
    Active Corporate (3 parents)
    Officer
    2019-03-22 ~ now
    IIF 7 - Director → ME
  • 2
    CARYSIUM CONSULTING LIMITED
    06653201
    Salatin House, 19 Cedar Road, Sutton, England
    Active Corporate (2 parents)
    Officer
    2008-07-22 ~ now
    IIF 9 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 3 - Right to appoint or remove directors OE
    IIF 3 - Ownership of voting rights - More than 50% but less than 75% OE
    IIF 3 - Ownership of shares – More than 50% but less than 75% OE
  • 3
    EISEA TECHNOLOGIES LIMITED
    06916888
    Salatin House, 19 Cedar Road, Sutton, Surrey, United Kingdom
    Active Corporate (3 parents)
    Officer
    2009-05-27 ~ 2009-10-09
    IIF 13 - Director → ME
    2016-03-11 ~ now
    IIF 10 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 4 - Ownership of voting rights - 75% or more OE
    IIF 4 - Ownership of shares – 75% or more OE
    IIF 4 - Right to appoint or remove directors OE
  • 4
    ELECTRICITY POWER NETWORK CONSULTANTS LIMITED
    09925022
    Ground Floor, 31 Kentish Town Road, London, United Kingdom
    Dissolved Corporate (5 parents, 1 offspring)
    Officer
    2015-12-21 ~ 2023-12-20
    IIF 12 - Director → ME
    Person with significant control
    2016-04-06 ~ 2017-04-23
    IIF 1 - Ownership of shares – More than 25% but not more than 50% OE
  • 5
    NWSW HVDC LTD
    14995890
    Grays Court 5 Nursery Road, Edgbaston, Birmingham, England
    Active Corporate (1 parent)
    Officer
    2023-07-11 ~ now
    IIF 6 - Director → ME
  • 6
    POWER CABLE RESEARCH & DEVELOPMENT LIMITED
    08512650
    Ground Floor, 31 Kentish Town Road, London, United Kingdom
    Active Corporate (3 parents)
    Officer
    2013-05-01 ~ now
    IIF 8 - Director → ME
    Person with significant control
    2016-06-20 ~ now
    IIF 2 - Ownership of shares – More than 25% but not more than 50% OE
  • 7
    SYMARUCI LIMITED
    14530245
    Salatin House, 19 Cedar Road, Sutton, Surrey, United Kingdom
    Active Corporate (2 parents)
    Officer
    2022-12-08 ~ now
    IIF 11 - Director → ME
    Person with significant control
    2022-12-08 ~ now
    IIF 5 - Right to appoint or remove directors OE
    IIF 5 - Ownership of shares – 75% or more OE
    IIF 5 - Ownership of voting rights - 75% or more OE
  • 8
    TERRAFIRMA ENGINEERING LIMITED
    13342996
    Unit B-c Caxton Court, Caxton Way, Watford, England
    Active Corporate (6 parents)
    Officer
    2021-04-19 ~ 2022-11-25
    IIF 14 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.