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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 Trefor Williams

    Related profiles found in government register
  • Mr Trefor Williams
    British born in January 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Kemp House, 160 City Road, London, EC1V 2NX, United Kingdom

      IIF 1
  • Williams, Trefor Thomas
    British born in January 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 17, Crondace Road, London, SW6 4BB, United Kingdom

      IIF 2
  • Williams, Trefor Thomas
    British coo born in January 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 17, Crondace Road, Fulham, London, SW6 4BB

      IIF 3
  • Williams, Trefor
    British business consultant born in January 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Kemp House, 160 City Road, London, EC1V 2NX, United Kingdom

      IIF 4
  • Mr Trefor Thomas Williams
    British born in January 1972

    Resident in England

    Registered addresses and corresponding companies
    • 1, Canada Square, 10th Floor, Diligence, London, E14 5AA, England

      IIF 5
    • Kemp House, 160 City Road, London, EC1V 2NX, United Kingdom

      IIF 6
  • Williams, Trefor Thomas
    British born in January 1972

    Resident in England

    Registered addresses and corresponding companies
    • 1, Ely Place, Diligence, London, EC1N 6RY, England

      IIF 7 IIF 8
    • 1, Ely Place, London, EC1N 6RY, England

      IIF 9
  • Williams, Trefor Thomas
    British business consultant born in January 1972

    Resident in England

    Registered addresses and corresponding companies
    • Kemp House, 160 City Road, London, EC1V 2NX, United Kingdom

      IIF 10
  • Williams, Trefor

    Registered addresses and corresponding companies
    • Kemp House, 160 City Road, London, EC1V 2NX, United Kingdom

      IIF 11 IIF 12
  • Williams, Trefor Thomas

    Registered addresses and corresponding companies
    • The Old Farm, Horsham Road, Dorking, RH5 6PW, England

      IIF 13 IIF 14
child relation
Offspring entities and appointments
Active 7
  • 1
    1 Ely Place, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-12-31
    Officer
    2011-05-09 ~ now
    IIF 9 - Director → ME
  • 2
    1 Ely Place, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-12-31
    Officer
    2011-06-15 ~ now
    IIF 7 - Director → ME
    2011-06-15 ~ now
    IIF 14 - Secretary → ME
  • 3
    529 14th Street, Nw Suite #1030, Washington Dc, United States
    Active Corporate (3 parents)
    Officer
    2009-02-10 ~ now
    IIF 3 - Director → ME
  • 4
    DILIGENCE INTERNATIONAL PARTNERS LTD - 2019-09-10
    1 Ely Place, London, England
    Active Corporate (1 parent, 3 offsprings)
    Equity (Company account)
    2,578,116 GBP2024-12-31
    Officer
    2019-06-18 ~ now
    IIF 8 - Director → ME
    Person with significant control
    2019-06-18 ~ now
    IIF 5 - Ownership of voting rights - 75% or moreOE
    IIF 5 - Ownership of shares – 75% or moreOE
    IIF 5 - Right to appoint or remove directorsOE
  • 5
    1 Ely Place, London, England
    Active Corporate (3 parents)
    Equity (Company account)
    1 GBP2024-12-31
    Officer
    2011-06-16 ~ now
    IIF 2 - Director → ME
    2011-06-16 ~ now
    IIF 13 - Secretary → ME
  • 6
    Kemp House, 160 City Road, London, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    2018-11-15 ~ dissolved
    IIF 10 - Director → ME
    2018-11-15 ~ dissolved
    IIF 11 - Secretary → ME
    Person with significant control
    2018-11-15 ~ dissolved
    IIF 6 - Ownership of shares – 75% or moreOE
    IIF 6 - Right to appoint or remove directorsOE
    IIF 6 - Ownership of voting rights - 75% or moreOE
  • 7
    Kemp House, 160 City Road, London, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    2018-11-12 ~ dissolved
    IIF 4 - Director → ME
    2018-11-12 ~ dissolved
    IIF 12 - Secretary → ME
    Person with significant control
    2018-11-12 ~ dissolved
    IIF 1 - Ownership of shares – 75% or moreOE
    IIF 1 - Right to appoint or remove directorsOE
    IIF 1 - Ownership of voting rights - 75% or moreOE

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