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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

Williamson, Mark

    Related profiles found in government register
  • Williamson, Mark
    Uk born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Williamson, Mark
    British born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Williamson, Mark
    British director born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Williamson, Mark
    British born in August 1966

    Registered addresses and corresponding companies
  • Williamson, Mark
    British born in August 1966

    Resident in England

    Registered addresses and corresponding companies
  • Williamson, Mark
    Welsh born in August 1966

    Resident in England

    Registered addresses and corresponding companies
  • Williamson, Mark
    British

    Registered addresses and corresponding companies
  • Williamson, Mark

    Registered addresses and corresponding companies
  • Mark Williamson
    British born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mr Mark Williamson
    British born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mr Mark Williamson
    Welsh born in August 1966

    Resident in England

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments 16
  • 1
    ALCEMI STORAGE DEVELOPMENTS 2 LIMITED
    12376960 13848257... (more)
    Active Corporate (12 parents)
    Officer
    2022-11-28 ~ now
    IIF 5 - Director → ME
  • 2
    ALCEMI STORAGE DEVELOPMENTS 3 LIMITED
    12376962 13848257... (more)
    Active Corporate (20 parents)
    Officer
    2022-03-31 ~ 2024-12-02
    IIF 7 - Director → ME
  • 3
    ALCEMI STORAGE DEVELOPMENTS 4 LIMITED
    12376965 13848257... (more)
    Active Corporate (18 parents)
    Officer
    2022-03-31 ~ 2023-07-11
    IIF 6 - Director → ME
  • 4
    ALCEMI STORAGE DEVELOPMENTS 6 LIMITED
    13848257 12376960... (more)
    Active Corporate (18 parents)
    Officer
    2023-06-28 ~ 2024-12-02
    IIF 9 - Director → ME
  • 5
    ALCEMI STORAGE DEVELOPMENTS LIMITED
    12280564 13848254... (more)
    Active Corporate (8 parents, 9 offsprings)
    Officer
    2025-05-19 ~ now
    IIF 11 - Director → ME
  • 6
    BW ENERGY PARTNERS LIMITED
    07214526 07271311
    Dissolved Corporate (1 parent)
    Officer
    2010-04-07 ~ dissolved
    IIF 2 - Director → ME
  • 7
    CW ENERGY PARTNERS LIMITED
    07271311 07214526
    Dissolved Corporate (2 parents)
    Officer
    2010-06-02 ~ dissolved
    IIF 1 - Director → ME
  • 8
    DARK VERDANT CONSULTING LIMITED
    17310967
    Active Corporate (1 parent)
    Officer
    2026-07-01 ~ now
    IIF 13 - Director → ME
    Person with significant control
    2026-07-01 ~ now
    IIF 23 - Right to appoint or remove directors → OE
    IIF 23 - Ownership of voting rights - 75% or more → OE
    IIF 23 - Ownership of shares – 75% or more → OE
  • 9
    FIRST DATABANK UK LTD - now
    FIRST DATABANK EUROPE LIMITED
    - 2018-07-17 01880682
    EXETER HEALTH INFORMATION SERVICES LIMITED
    - 1997-09-19 01880682
    Active Corporate (31 parents)
    Officer
    1997-09-12 ~ 2000-10-04
    IIF 17 - Secretary → ME
  • 10
    MCCANN MEDICAL CONSULTING LIMITED - now
    MAGISTER CONSULTING LIMITED
    - 2006-04-25 02581917
    PUBLISHING INITIATIVES (EUROPE) LIMITED - 1998-04-27
    Dissolved Corporate (18 parents)
    Officer
    2001-07-18 ~ 2001-07-31
    IIF 16 - Secretary → ME
  • 11
    REFER2US LIMITED
    04511748
    Dissolved Corporate (7 parents)
    Officer
    2002-08-15 ~ dissolved
    IIF 10 - Director → ME
    2002-08-15 ~ dissolved
    IIF 15 - Secretary → ME
  • 12
    REFERENT CONSULTING LIMITED
    10846653
    Active Corporate (1 parent, 2 offsprings)
    Officer
    2017-07-03 ~ now
    IIF 3 - Director → ME
    2017-07-03 ~ now
    IIF 19 - Secretary → ME
    Person with significant control
    2017-07-03 ~ now
    IIF 21 - Ownership of shares – 75% or more → OE
    IIF 21 - Ownership of voting rights - 75% or more → OE
  • 13
    REFERENT LIMITED
    10594607
    Active Corporate (8 parents, 2 offsprings)
    Officer
    2017-02-01 ~ now
    IIF 8 - Director → ME
    Person with significant control
    2017-02-01 ~ 2017-08-01
    IIF 22 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 22 - Right to appoint or remove directors → OE
  • 14
    THE ALCEMISTS UMBRA 2 LIMITED
    17188911 16893529
    Active Corporate (3 parents)
    Officer
    2026-04-29 ~ now
    IIF 14 - Director → ME
  • 15
    THE ALCEMISTS UMBRA LIMITED
    16893529 17188911
    Active Corporate (4 parents)
    Officer
    2025-12-05 ~ now
    IIF 12 - Director → ME
  • 16
    THE ALCEMISTS UMBRELLA LIMITED
    14587768
    Active Corporate (2 parents)
    Officer
    2023-01-12 ~ now
    IIF 4 - Director → ME
    2023-01-12 ~ now
    IIF 18 - Secretary → ME
    Person with significant control
    2023-01-12 ~ now
    IIF 20 - Ownership of voting rights - 75% or more → OE
    IIF 20 - Right to appoint or remove directors → OE
    IIF 20 - Ownership of shares – 75% or more → OE

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Contains public sector information retrieved at 14 July 2026 and licensed under the Open Government Licence v3.0.