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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

Blackwell, John Michael

    Related profiles found in government register
  • Blackwell, John Michael
    British born in March 1956

    Resident in England

    Registered addresses and corresponding companies
    • 75, Newnham Street, Ely, Cambs, CB7 4PQ, England

      IIF 1
  • Blackwell, John Michael
    British optical engineering consultant born in March 1956

    Resident in England

    Registered addresses and corresponding companies
    • 75 Newnham Street, Ely, Cambridgeshire, CB7 4PQ

      IIF 2
  • Blackwell, John Michael
    British engineer born in March 1956

    Registered addresses and corresponding companies
    • 38 Cambridge Road, Ely, Cambridgeshire, CB7 4HL

      IIF 3
  • Blackwell, John Michael
    British engineering consultancy born in March 1956

    Registered addresses and corresponding companies
    • 38 Cambridge Road, Ely, Cambridgeshire, CB7 4HL

      IIF 4
  • Mr John Michael Blackwell
    British born in March 1956

    Resident in England

    Registered addresses and corresponding companies
    • 75 Newnham Street, Ely, Cambridgeshire, CB7 4PQ

      IIF 5 IIF 6
    • 75, Newnham Street, Ely, Cambs, CB7 4PQ

      IIF 7
child relation
Offspring entities and appointments 4
  • 1
    BLACKWELL ORIGINAL DRUMS LIMITED
    08766157
    75 Newnham Street, Ely, Cambs
    Active Corporate (1 parent)
    Officer
    2013-11-07 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 7 - Ownership of shares – 75% or more OE
  • 2
    DIVERSE TECHNOLOGIES AND SYSTEMS LIMITED
    01790939
    Zeromag House 46-48 Whittlesford Road, Little Shelford, Cambridge
    Active Corporate (6 parents)
    Officer
    1993-10-01 ~ 1997-12-12
    IIF 4 - Director → ME
  • 3
    ELY OPTICS LIMITED
    05457796
    75 Newnham Street, Ely, Cambridgeshire
    Dissolved Corporate (3 parents)
    Officer
    2005-05-20 ~ dissolved
    IIF 2 - Director → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 5 - Ownership of shares – 75% or more OE
  • 4
    WILD INSIGHT LIMITED
    03871569
    75 Newnham Street, Ely, Cambridgeshire
    Dissolved Corporate (6 parents)
    Officer
    1999-11-04 ~ 2005-05-06
    IIF 3 - Director → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 6 - Ownership of shares – More than 25% but not more than 50% OE

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