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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

    Registered addresses and corresponding companies
    • Shalimar, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom

      IIF 1 IIF 2
  • Williamson, Mark
    Welsh born in August 1966

    Resident in England

    Registered addresses and corresponding companies
    • Shalimar, Newchapel Road, Lingfield, RH7 6BL, England

      IIF 3
  • Williamson, Mark
    British born in August 1966

    Resident in England

    Registered addresses and corresponding companies
    • First Floor, Winston House, 349 Regents Park Road, London, N3 1DH, United Kingdom

      IIF 4
  • Williamson, Mark
    British born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Shalimar, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom

      IIF 5 IIF 6
    • First Floor, Winston House, 349 Regents Park Road, London, N3 1DH, United Kingdom

      IIF 7
    • Amp Technology Centre Advanced Manufacturing Park, Brunel Way, Rotherham, S60 5WG, United Kingdom

      IIF 8 IIF 9
    • The Firs, Willington, Shipston-on-stour, CV36 5AS, England

      IIF 10
  • Williamson, Mark
    British director born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • First Floor, Winston House, 349 Regents Park Road, London, N3 1DH, United Kingdom

      IIF 11
  • Mark Williamson
    British born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Shalimar, Newchapel Road, Lingfield, RH7 6BL, United Kingdom

      IIF 12
  • Mr Mark Williamson
    British born in August 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Shalimar, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom

      IIF 13 IIF 14
child relation
Offspring entities and appointments 9
  • 1
    ALCEMI STORAGE DEVELOPMENTS 2 LIMITED
    12376960 13848257... (more)
    First Floor Winston House, 349 Regents Park Road, London, United Kingdom
    Active Corporate (12 parents)
    Officer
    2022-11-28 ~ now
    IIF 7 - Director → ME
  • 2
    ALCEMI STORAGE DEVELOPMENTS 3 LIMITED
    12376962 12376965... (more)
    Amp Technology Centre Advanced Manufacturing Park, Brunel Way, Rotherham, United Kingdom
    Active Corporate (20 parents)
    Officer
    2022-03-31 ~ 2024-12-02
    IIF 9 - Director → ME
  • 3
    ALCEMI STORAGE DEVELOPMENTS 4 LIMITED
    12376965 14615637... (more)
    Amp Technology Centre Advanced Manufacturing Park, Brunel Way, Rotherham, United Kingdom
    Active Corporate (18 parents)
    Officer
    2022-03-31 ~ 2023-07-11
    IIF 8 - Director → ME
  • 4
    ALCEMI STORAGE DEVELOPMENTS 6 LIMITED
    13848257 12376965... (more)
    Amp Technology Centre, Advanced Manufacturing Park, Brunel Way, Rotherham, United Kingdom
    Active Corporate (18 parents)
    Officer
    2023-06-28 ~ 2024-12-02
    IIF 11 - Director → ME
  • 5
    ALCEMI STORAGE DEVELOPMENTS LIMITED
    12280564 13848257... (more)
    First Floor Winston House, 349 Regents Park Road, London, United Kingdom
    Active Corporate (8 parents, 9 offsprings)
    Officer
    2025-05-19 ~ now
    IIF 4 - Director → ME
  • 6
    REFERENT CONSULTING LIMITED
    10846653
    Shalimar, Newchapel Road, Lingfield, Surrey, United Kingdom
    Active Corporate (1 parent, 2 offsprings)
    Officer
    2017-07-03 ~ now
    IIF 5 - Director → ME
    2017-07-03 ~ now
    IIF 2 - Secretary → ME
    Person with significant control
    2017-07-03 ~ now
    IIF 13 - Ownership of shares – 75% or more OE
    IIF 13 - Ownership of voting rights - 75% or more OE
  • 7
    REFERENT LIMITED
    10594607
    The Firs, Willington, Shipston-on-stour, England
    Active Corporate (8 parents, 2 offsprings)
    Officer
    2017-02-01 ~ now
    IIF 10 - Director → ME
    Person with significant control
    2017-02-01 ~ 2017-08-01
    IIF 14 - Ownership of shares – More than 25% but not more than 50% OE
    IIF 14 - Right to appoint or remove directors OE
  • 8
    THE ALCEMISTS UMBRA LIMITED
    16893529
    Upper Shalford Upper Shalford, Square Drive, Haslemere, West Sussex, United Kingdom
    Active Corporate (4 parents)
    Officer
    2025-12-05 ~ now
    IIF 3 - Director → ME
  • 9
    THE ALCEMISTS UMBRELLA LIMITED
    14587768
    Shalimar, Newchapel Road, Lingfield, Surrey, United Kingdom
    Active Corporate (2 parents)
    Officer
    2023-01-12 ~ now
    IIF 6 - Director → ME
    2023-01-12 ~ now
    IIF 1 - Secretary → ME
    Person with significant control
    2023-01-12 ~ now
    IIF 12 - Ownership of voting rights - 75% or more OE
    IIF 12 - Right to appoint or remove directors OE
    IIF 12 - Ownership of shares – 75% or more OE

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