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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

Michaelson, Richard

    Related profiles found in government register
  • Michaelson, Richard
    American director born in February 1952

    Resident in Usa

    Registered addresses and corresponding companies
    • Woolley Road, Alconbury, Huntingdon, Cambridgeshire, PE28 4HS, England

      IIF 1 IIF 2
  • Michaelson, Richard
    American financial executive born in February 1952

    Resident in Usa

    Registered addresses and corresponding companies
    • Po Box 2360, Mettlers Road, East Millstone, Nj 08875, Usa

      IIF 3
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 3
  • 1
    ENVIGO INTERNATIONAL LIMITED - 2019-06-04 09521075
    LIFE SCIENCES RESEARCH LIMITED - 2015-09-18 01058023, 02801202, 09521075
    HUNTINGDON LIFE SCIENCES GROUP PLC - 2003-12-15
    HUNTINGDON INTERNATIONAL HOLDINGS PLC. - 1997-04-04 01910866
    HUNTINGDON RESEARCH CENTRE PLC - 1985-06-28 01815730, 03126711
    NUTRITIONAL RESEARCH UNIT LIMITED - 1983-04-12
    Woolley Road, Alconbury, Huntingdon, Cambridgeshire, England
    Active Corporate (3 parents, 1 offspring)
    Officer
    2013-04-17 ~ 2016-06-21
    IIF 1 - Director → ME
  • 2
    COVANCE CRS LIMITED - 2021-07-12
    ENVIGO CRS LIMITED - 2019-06-04 09521428
    HUNTINGDON LIFE SCIENCES LIMITED - 2015-09-18 03126711, 09521428
    HUNTINGDON RESEARCH CENTRE LIMITED - 1995-11-21 00502370, 03126711
    HRC LIMITED - 1985-06-28 01910866
    Woolley Road, Alconbury, Huntingdon, Cambridgeshire, England
    Dissolved Corporate (3 parents)
    Officer
    2013-04-17 ~ 2016-06-21
    IIF 2 - Director → ME
  • 3
    IBIS (923) LIMITED - 2005-04-26 02834217, 03023510
    Shaw's Farm Station Road, Blackthorn, Bicester, England
    Dissolved Corporate (3 parents)
    Equity (Company account)
    100 GBP2017-12-31
    Officer
    2005-04-26 ~ 2016-06-21
    IIF 3 - Director → ME

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