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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

Highgate, Donald James, Dr

    Related profiles found in government register
  • Highgate, Donald James, Dr
    British born in November 1940

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • The Wilderness, Holmbury Hill Road, Holmbury St Mary, Dorking, Surrey, RH5 6NS, England

      IIF 1
  • Highgate, Donald James, Dr
    British company director born in November 1940

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • The Mansion, Chesterford Park, Little Chesterford, Saffron Walden, CB10 1XL, England

      IIF 2
  • Highgate, Donald James, Dr
    British consultant physicist born in November 1940

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • The Wilderness Holmbury Hill Road, Holmbury St Mary, Dorking, Surrey, RH5 6NS

      IIF 3 IIF 4 IIF 5

    • The Mansion, Chesterford Research Park, Little Chesterford, Saffron Walden, CB10 1XL, England

      IIF 7

    • The Mansion, Chesterford Research Park, Little Chesterford, Saffron Walden, CB10 1XL, United Kingdom

      IIF 8

    • The Mansion, Chesterford Research Park, Little Chesterford, Saffron Walden, Essex, CB10 1XL, England

      IIF 9
  • Highgate, Donald James, Dr
    British director born in November 1940

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Dr Donald James Highgate
    British born in November 1940

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Lodge House, Lodge Way, Severn Bridge Industrial Estate, Portskewett, Caldicot, Monmouthshire, NP26 5PS, United Kingdom

      IIF 26
  • Highgate, Donald James, Dr
    British

    Registered addresses and corresponding companies

    • The Wilderness Holmbury Hill Road, Holmbury St Mary, Dorking, Surrey, RH5 6NS

      IIF 27
child relation
Offspring entities and appointments
Active 2
  • 1
    Allen Thornton Springer, 67 Westow Street, London, Surrey
    Dissolved Corporate (2 parents)
    Officer
    ~ dissolved
    IIF 3 - Director → ME
  • 2
    Lodge House Lodge Way, Severn Bridge Industrial Estate, Caldicot, Monmouthshire
    Active Corporate (3 parents)
    Net Assets/Liabilities (Company account)
    -14,486 GBP2024-09-30
    Officer
    2010-09-14 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2016-09-13 ~ now
    IIF 26 - Ownership of shares – More than 25% but not more than 50% → OE
Ceased 23
  • 1
    NEWCORN LIMITED - 2001-02-07
    Frp Advisory Llp, Ashcroft House Ervington Court, Meridian Business Park, Leicester
    Dissolved Corporate (7 parents)
    Officer
    1996-01-16 ~ 2001-07-19
    IIF 5 - Director → ME
  • 2
    The Old Black Lion Ash Road, Hartley, Longfield, Kent, United Kingdom
    Dissolved Corporate (1 parent)
    Equity (Company account)
    -7,242 GBP2017-12-31
    Officer
    ~ 1992-06-29
    IIF 4 - Director → ME
    ~ 1992-06-29
    IIF 27 - Secretary → ME
  • 3
    ITM FUEL CELLS LIMITED - 2007-06-14
    ITM POWER LIMITED - 2004-05-04
    Related registration: 05059407
    STAMFORD MEMORY POLYMERS LIMITED - 2002-02-12
    NEWCORN TECHNOLOGY LIMITED - 2001-02-13
    2 Bessemer Park, Sheffield, United Kingdom
    Active Corporate (3 parents)
    Officer
    2002-02-19 ~ 2009-11-23
    IIF 6 - Director → ME
  • 4
    ITM POWER PLC
    - now
    Other registered number: 03973827
    QUAYSHELFCO 1070 PLC - 2004-05-04
    Related registration: 02122142
    2 Bessemer Park, Sheffield, United Kingdom
    Active Corporate (9 parents, 4 offsprings)
    Officer
    2004-04-14 ~ 2009-11-23
    IIF 10 - Director → ME
  • 5
    ITM POWER (TRADING) LIMITED - 2024-12-06
    QUAYSHELFCO 1214 LIMITED - 2007-04-30
    Related registration: 05418234
    2 Bessemer Park, Sheffield, United Kingdom
    Active Corporate (5 parents, 1 offspring)
    Officer
    2007-05-01 ~ 2009-11-23
    IIF 11 - Director → ME
  • 6
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    -780 GBP2024-03-31
    Officer
    2016-11-20 ~ 2022-08-15
    IIF 2 - Director → ME
  • 7
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 17 - Director → ME
  • 8
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 24 - Director → ME
  • 9
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 13 - Director → ME
  • 10
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 15 - Director → ME
  • 11
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 22 - Director → ME
  • 12
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 12 - Director → ME
  • 13
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 25 - Director → ME
  • 14
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 19 - Director → ME
  • 15
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 20 - Director → ME
  • 16
    SUPERDIELECTRICS GROUP PLC
    - now
    Other registered number: 13620939
    SUPERDIELECTRICS GROUP LTD - 2021-11-08
    Related registration: 13620939
    The Mansion Chesterford Research Park, Little Chesterford, Saffron Walden, Essex, United Kingdom
    Active Corporate (9 parents, 3 offsprings)
    Equity (Company account)
    105,703,426 GBP2025-03-31
    Officer
    2021-10-29 ~ 2023-06-30
    IIF 8 - Director → ME
  • 17
    SUPERDIELECTRICS LTD
    - now
    Other registered number: 10864301
    AUGMENTED OPTICS LTD - 2017-09-23
    Related registration: 10864301
    The Mansion Chesterford Research Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents, 17 offsprings)
    Equity (Company account)
    1,239,217 GBP2025-03-31
    Officer
    2013-05-20 ~ 2021-10-29
    IIF 7 - Director → ME
  • 18
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 16 - Director → ME
  • 19
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 23 - Director → ME
  • 20
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 18 - Director → ME
  • 21
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 14 - Director → ME
  • 22
    SUPERDIELECTRICS GROUP LTD - 2021-09-20
    Related registration: 13631590
    The Mansion, Chesterford Research Park, Little Chesterford, Saffron Walden, Essex, England
    Active Corporate (2 parents)
    Equity (Company account)
    0 GBP2024-03-31
    Officer
    2021-09-14 ~ 2021-09-20
    IIF 9 - Director → ME
  • 23
    The Mansion Chesterford Park, Little Chesterford, Saffron Walden, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2019-10-21 ~ 2022-08-15
    IIF 21 - Director → ME

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.