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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

Williamson, Ian Stuart

    Related profiles found in government register
  • Williamson, Ian Stuart
    British born in March 1964

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 39, St Johns Street, Crowthorne, Berkshire, RG45 7NQ, United Kingdom

      IIF 1
  • Williamson, Ian Stuart
    British chief executive officer born in March 1964

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address Finsgate, 5-7 Cranwood Street, London, EC1V 9EE, United Kingdom

      IIF 2
  • Williamson, Ian Stuart
    British sales director born in November 1964

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 39, St Johns Street, Crowthorne, RG45 7NQ, United Kingdom

      IIF 3
  • Williamson, Ian Stuart
    British born in March 1964

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 39, St Johns Street, Crowthorne, Berkshire, RG45 7NQ, United Kingdom

      IIF 4
    • icon of address 39 St. Johns Street, Crowthorne, RG45 7NQ, England

      IIF 5 IIF 6
  • Williamson, Ian Stuart
    British chief executive officer born in March 1964

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Finsgate, 5-7 Cranwood Street, London, EC1V 9EE

      IIF 7
  • Williamson, Ian Stuart
    British director - future energy solut born in March 1964

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 108, Lexden Road, West Bergholt, Colchester, Essex, CO6 3BW, United Kingdom

      IIF 8
  • Williamson, Ian Stuart
    British industrial gas sales born in March 1964

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 55 Colmore Row, Birmingham, West Midlands, B3 2AS

      IIF 9
  • Mr Ian Stuart Williamson
    British born in March 1964

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 39, St Johns Street, Crowthorne, Berkshire, RG45 7NQ, United Kingdom

      IIF 10
  • Mr Ian Stuart Williamson
    British born in March 1964

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 39 St Johns Street, Crowthorne, Berkshire, RG45 7NQ, United Kingdom

      IIF 11 IIF 12
child relation
Offspring entities and appointments
Active 5
  • 1
    icon of address 39 St Johns Street, Crowthorne, Berkshire, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    29,035 GBP2024-12-31
    Officer
    icon of calendar 2022-02-04 ~ now
    IIF 1 - Director → ME
    Person with significant control
    icon of calendar 2022-02-04 ~ now
    IIF 10 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 10 - Ownership of shares – More than 25% but not more than 50%OE
  • 2
    icon of address Kemp House, 152 City Road, London, England
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2015-08-04 ~ dissolved
    IIF 3 - Director → ME
  • 3
    icon of address 39 St. Johns Street, Crowthorne
    Active Corporate (2 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    377,590 GBP2024-12-31
    Officer
    icon of calendar 2014-12-02 ~ now
    IIF 5 - Director → ME
    Person with significant control
    icon of calendar 2016-04-06 ~ 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
  • 4
    icon of address 39 St Johns Street, Crowthorne, Berkshire, United Kingdom
    Active Corporate (1 parent)
    Equity (Company account)
    100 GBP2024-12-31
    Officer
    icon of calendar 2020-06-15 ~ now
    IIF 4 - Director → ME
    Person with significant control
    icon of calendar 2020-06-15 ~ now
    IIF 12 - Right to appoint or remove directorsOE
    IIF 12 - Ownership of shares – 75% or moreOE
    IIF 12 - Ownership of voting rights - 75% or moreOE
  • 5
    icon of address 22b Weston Park Road, Plymouth, England
    Active Corporate (4 parents)
    Net Assets/Liabilities (Company account)
    0 GBP2025-03-31
    Officer
    icon of calendar 2018-07-07 ~ now
    IIF 6 - Director → ME
Ceased 4
  • 1
    INVESTMENT TRANSITIONS LIMITED - 2006-02-28
    AFC ENERGY LIMITED - 2006-06-15
    DFC ENERGY LIMITED - 2006-06-06
    icon of address Unit 71.4 Dunsfold Park, Cranleigh, Surrey, England
    Active Corporate (7 parents, 3 offsprings)
    Officer
    icon of calendar 2011-11-07 ~ 2014-11-30
    IIF 7 - Director → ME
  • 2
    icon of address Holywell Building Holywell Park, Ashby Road, Loughborough, Leicestershire, England
    Active Corporate (5 parents, 3 offsprings)
    Equity (Company account)
    1,229,151 GBP2023-12-31
    Officer
    icon of calendar 2005-05-04 ~ 2011-11-16
    IIF 9 - Director → ME
  • 3
    UNITED KINGDOM HYDROGEN ASSOCIATION - 2010-12-07
    icon of address 6 Lakeside Close, Warminster Road, London, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    178,078 GBP2024-06-30
    Officer
    icon of calendar 2006-05-04 ~ 2020-03-09
    IIF 8 - Director → ME
  • 4
    icon of address Finsgate, 5-7 Cranwood Street, London
    Dissolved Corporate (2 parents, 2 offsprings)
    Equity (Company account)
    Retained earnings (accumulated losses)
    -805,565 GBP2020-04-30
    Officer
    icon of calendar 2014-04-10 ~ 2014-11-30
    IIF 2 - Director → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.