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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

Tunstall, Stephen James

  • Tunstall, Stephen James
    British director born in November 1955

    Registered addresses and corresponding companies
    • The Cottage, The Holloway, Harwell, Oxfordshire, OX11 0LS

      IIF 1 IIF 2
    • Easter Cottage Church Street, East Hendred, Wantage, Oxfordshire, OX12 8LA

      IIF 3
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 3
  • 1
    HR WALLINGFORD LIMITED - 1992-12-08
    Related registration: 02562099
    HYDRAULICS RESEARCH LIMITED - 1991-09-12
    Related registrations: 02562099, 02784751
    HYDRAULICS RESEARCH STATION LIMITED - 1983-12-12
    Howbery Park, Wallingford, Oxfordshire
    Active Corporate (6 parents, 8 offsprings)
    Officer
    2004-02-05 ~ 2009-08-31
    IIF 1 - Director → ME
  • 2
    COMPASS MANAGEMENT CONSULTING LTD - 2013-10-23
    COMPASS ANALYSIS UK LTD - 1999-11-11
    COMPASS LIMITED - 1997-01-01
    Related registration: 01714804
    ELDRUM LIMITED - 1988-01-04
    Hays House, Millmead, Guildford, Surrey
    Active Corporate (4 parents)
    Equity (Company account)
    1,571,401 GBP2024-12-31
    Officer
    1994-12-01 ~ 1996-09-04
    IIF 3 - Director → ME
  • 3
    WALLINGFORD SOFTWARE LIMITED - 2009-09-24
    Howbery Park, Wallingford, Oxfordshire
    Active Corporate (2 parents, 1 offspring)
    Officer
    2000-11-27 ~ 2009-08-31
    IIF 2 - Director → ME

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