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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

Halfpenny, John Wedgwood

    Related profiles found in government register
  • Halfpenny, John Wedgwood
    British born in April 1961

    Resident in England

    Registered addresses and corresponding companies
    • 83 Waterbeach Road, Landbeach, Cambridge, CB25 9FA

      IIF 1
    • Unit 9, Cambridge South, West Way, Sawston, Cambridge, CB22 3FG, England

      IIF 2
  • Halfpenny, John Wedgwood
    British director born in April 1961

    Resident in England

    Registered addresses and corresponding companies
    • 83 Waterbeach Road, Landbeach, Cambridge, Cambs., CB25 9FA, England

      IIF 3
    • 83, Waterbeach Road, Landbeach, Cambridge, Cambs., CB25 9FA, United Kingdom

      IIF 4
  • Halfpenny, John Wedgwood
    British engineer born in April 1961

    Resident in England

    Registered addresses and corresponding companies
    • 83 Waterbeach Road, Landbeach, Cambridge, Cambridgeshire, CB4 8EA

      IIF 5
    • Unit 2, South Cambridge Business Park, Babraham Road, Sawston, Cambridge, CB22 3JH, England

      IIF 6
  • Mr John Wedgwood Halfpenny
    British born in April 1961

    Resident in England

    Registered addresses and corresponding companies
    • 83 Waterbeach Road, Landbeach, Cambridge, CB25 9FA

      IIF 7
child relation
Offspring entities and appointments 6
  • 1
    ACTIFI LTD
    08934639
    83 Waterbeach Road Landbeach, Cambridge, Cambs.
    Dissolved Corporate (3 parents)
    Officer
    2014-03-12 ~ dissolved
    IIF 3 - Director → ME
  • 2
    CMR FUEL CELLS (UK) LIMITED
    - now 04934498
    CMR FUEL CELLS LIMITED
    - 2005-10-17 04934498
    C/o Stafford & Co, Cpc1 Capital Park, Fulbourn, Cambridge, Cambridgeshire
    Dissolved Corporate (11 parents)
    Officer
    2004-09-01 ~ 2010-03-05
    IIF 5 - Director → ME
  • 3
    ECHION TECHNOLOGIES LTD
    10680704
    Unit 9-11 Cambridge South, West Way, Sawston, Cambridgeshire, United Kingdom
    Active Corporate (17 parents)
    Officer
    2019-07-01 ~ now
    IIF 2 - Director → ME
  • 4
    ENERGY REDUCING PRODUCTS LIMITED
    06879986
    83 Waterbeach Road, Landbeach, Cambridge, Cambs.
    Dissolved Corporate (4 parents)
    Officer
    2009-04-17 ~ dissolved
    IIF 4 - Director → ME
  • 5
    HALFPENNY ENTERPRISES LIMITED
    - now 02493729
    HALFPENNY 2 LIMITED
    - 1999-12-07 02493729
    MICROLOGIC SERVICES LIMITED
    - 1999-11-11 02493729
    HALFPENNY ENTERPRISES LIMITED
    - 1997-08-20 02493729
    83 Waterbeach Road, Landbeach, Cambridge
    Active Corporate (2 parents)
    Officer
    ~ now
    IIF 1 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 7 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 7 - Ownership of shares – More than 25% but not more than 50% OE
    IIF 7 - Right to appoint or remove directors OE
  • 6
    PORO TECHNOLOGIES LTD
    11335936
    Unit 13, Evolution Business Park, Milton Road, Impington, Cambridge, England
    Active Corporate (10 parents)
    Officer
    2019-11-06 ~ 2020-11-24
    IIF 6 - Director → ME

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