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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

Mr John Alexander Blackman

    Related profiles found in government register
  • Mr John Alexander Blackman
    British born in October 1950

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 10, High Street, West Wickham, Cambridge, CB21 4RY

      IIF 1
  • Blackman, John Alexander
    British born in October 1950

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 10, High Street, West Wickham, Cambridge, CB21 4RY, England

      IIF 2
    • Willow Cottage, 10 High Street West Wickham, Cambridge, CB1 6RY

      IIF 3
    • Willow Cottage, 10 High Street, West Wickham, Cambridge, CB21 4RY, United Kingdom

      IIF 4
  • Blackman, John Alexander
    British managing director born in October 1950

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Willow Cottage, 10 High Street West Wickham, Cambridge, CB1 6RY

      IIF 5
  • Blackman, John Alexander
    British plant breeder born in October 1950

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Willow Cottage, 10 High Street West Wickham, Cambridge, CB1 6RY

      IIF 6 IIF 7
child relation
Offspring entities and appointments 6
  • 1
    BLACKMAN AGRICULTURE LIMITED
    05137918
    10 High Street, West Wickham, Cambridge
    Active Corporate (4 parents)
    Officer
    2004-05-26 ~ now
    IIF 2 - Director → ME
    Person with significant control
    2017-05-26 ~ now
    IIF 1 - Ownership of shares – 75% or more OE
  • 2
    BRITISH SOCIETY OF PLANT BREEDERS LIMITED(THE)
    - now 00876811
    PLANT ROYALTY BUREAU LIMITED(THE) - 1987-01-05
    Bspb House, 114 Lancaster Way Business Park, Ely, Cambridgeshire
    Active Corporate (46 parents)
    Officer
    2001-05-01 ~ 2004-03-10
    IIF 5 - Director → ME
  • 3
    CPB TWYFORD LIMITED - now
    KWS (UK) LIMITED - 2008-01-30
    PREMIUM SEEDS LIMITED
    - 2007-04-25 03924469
    C P B Twyford Ltd, Church Street, Thriplow, Royston, Hertfordshire
    Active Corporate (15 parents)
    Officer
    2001-11-30 ~ 2004-03-09
    IIF 6 - Director → ME
  • 4
    KWS UK LIMITED - now
    CPB TWYFORD LIMITED
    - 2008-01-30 01578784 03924469
    CAMBRIDGE PLANT BREEDERS LIMITED
    - 1995-04-12 01578784
    AGRIGENE LIMITED - 1987-08-14
    56 Church Street, Thriplow, Royston, Hertfordshire
    Active Corporate (24 parents, 2 offsprings)
    Officer
    1995-02-24 ~ 2004-03-09
    IIF 3 - Director → ME
  • 5
    ROSEMAN PROPERTIES LIMITED
    11239039
    Willow Cottage 10 High Street, West Wickham, Cambridge, United Kingdom
    Active Corporate (2 parents)
    Officer
    2018-03-07 ~ now
    IIF 4 - Director → ME
  • 6
    TWYFORD SEEDS LIMITED
    00312076
    56 Church Street, Thriplow, Royston, Hertfordshire
    Active Corporate (21 parents)
    Officer
    1995-02-24 ~ 2004-03-09
    IIF 7 - Director → ME

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.