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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 Mark Crellin

    Related profiles found in government register
  • Mr Mark Crellin
    British born in September 1970

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 1, Sunninghey Court, Alderley Edge, Cheshire, SK9 7SZ, England

      IIF 1
    • icon of address 1, Sunninghey Court, Alderley Edge, SK9 7SZ, England

      IIF 2
  • Crellin, Mark
    British born in September 1970

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 1, Sunninghey Court, Alderley Edge, Cheshire, SK9 7SZ, England

      IIF 3
    • icon of address 1, Sunninghey Court, Alderley Edge, SK9 7SZ, England

      IIF 4
  • Crellin, Mark
    British llpmember born in September 1970

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Arcadis House 34 York Way, London, N1 9AB, United Kingdom

      IIF 5
  • Crellin, Mark
    born in September 1970

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 80, Fenchurch Street, London, EC3M 4BY, United Kingdom

      IIF 6
child relation
Offspring entities and appointments
Active 2
  • 1
    icon of address 1 Sunninghey Court, Alderley Edge, England
    Active Corporate (1 parent)
    Equity (Company account)
    0 GBP2024-08-31
    Officer
    icon of calendar 2023-08-15 ~ now
    IIF 4 - Director → ME
    Person with significant control
    icon of calendar 2023-08-15 ~ now
    IIF 2 - Ownership of shares – 75% or moreOE
    IIF 2 - Ownership of voting rights - 75% or moreOE
    IIF 2 - Right to appoint or remove directorsOE
  • 2
    icon of address 1 Sunninghey Court, Alderley Edge, Cheshire, England
    Active Corporate (5 parents)
    Equity (Company account)
    -1,595 GBP2024-11-30
    Officer
    icon of calendar 2016-01-19 ~ now
    IIF 3 - Director → ME
    Person with significant control
    icon of calendar 2016-09-01 ~ now
    IIF 1 - Right to appoint or remove directorsOE
Ceased 2
  • 1
    HYDER CONSULTING LIMITED - 2002-10-22
    ACER CONSULTANTS LIMITED - 1996-07-08
    THREE HUNDRED AND NINETY-NINTH SHELF TRADING COMPANY LIMITED - 1988-04-06
    HYDER CONSULTING (UK) LIMITED - 2015-09-18
    icon of address 80 Fenchurch Street, London, United Kingdom
    Active Corporate (7 parents, 5 offsprings)
    Officer
    icon of calendar 2018-07-15 ~ 2018-10-31
    IIF 5 - Director → ME
  • 2
    EC HARRIS LLP - 2015-09-18
    NOILLIB LLP - 2011-11-09
    icon of address 80 Fenchurch Street, London, United Kingdom
    Active Corporate (2 parents)
    Officer
    icon of calendar 2016-04-01 ~ 2023-12-31
    IIF 6 - LLP Member → ME

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