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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

Irwin, Thomas Ronald

    Related profiles found in government register
  • Irwin, Thomas Ronald
    British company director born in July 1935

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Irwin, Thomas Ronald
    British director born in July 1935

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address Beechcroft Camp Road, Gerrards Cross, Buckinghamshire, SL9 7PG

      IIF 7
  • Irwin, Thomas Ronald
    British managing director born in July 1935

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address Beechcroft Camp Road, Gerrards Cross, Buckinghamshire, SL9 7PG

      IIF 8 IIF 9 IIF 10
  • Irwin, Thomas Ronald
    British non executive director born in July 1935

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address Beechcroft Camp Road, Gerrards Cross, Buckinghamshire, SL9 7PG

      IIF 11
  • Irwin, Thomas Ronald
    British non - executive director born in July 1935

    Registered addresses and corresponding companies

    • icon of address 42 Portman Road, Reading, Berkshire, RG30 1EA

      IIF 12
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 11
  • 1
    MARION MERRELL DOW LIMITED - 1995-09-14
    MERRELL PHARMACEUTICALS LIMITED - 1983-12-06
    MARION MERRELL LIMITED - 1999-12-16
    MERRELL DOW PHARMACEUTICALS LIMITED - 1992-01-06
    icon of address 410 Thames Valley Park Drive, Reading, Berkshire, England
    Active Corporate (3 parents, 5 offsprings)
    Officer
    icon of calendar ~ 1993-04-16
    IIF 9 - Director → ME
  • 2
    PACIFIC SHELF 397 LIMITED - 1992-03-23
    CORE TECHNOLOGIES LIMITED - 1999-12-21
    icon of address Saltire Court, 20 Castle Terrace, Edinburgh
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 1999-09-17 ~ 2000-01-28
    IIF 8 - Director → ME
    icon of calendar 1996-10-17 ~ 1997-01-23
    IIF 3 - Director → ME
  • 3
    icon of address Diamond House, Lotus Park Kingsbury Crescent, Staines, Middlesex
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar ~ 1993-03-15
    IIF 10 - Director → ME
  • 4
    JOINT MISSION HOSPITAL EQUIPMENT BOARD LIMITED (THE) - 1992-07-15
    icon of address 6 Grosvenor Road, Banbury, England
    Active Corporate (6 parents)
    Officer
    icon of calendar 1997-04-10 ~ 2022-06-22
    IIF 4 - Director → ME
  • 5
    TANVEC GROUP LIMITED - 1999-10-29
    INTERCEDE 1325 LIMITED - 1998-05-27
    BOVIS TANVEC GROUP LIMITED - 2011-11-10
    icon of address Pb Jackson Norton Llp, 7th Floor Dashwood House, 69 Old Broad Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 1998-09-29 ~ 1999-08-02
    IIF 1 - Director → ME
  • 6
    VERNALIS LIMITED - 2020-12-03
    BRITISH BIOTECH PLC - 2003-10-01
    DOUBLEMANTA LIMITED - 1989-03-17
    BRITISH BIO-TECHNOLOGY GROUP PLC - 1994-06-03
    VERNALIS PLC - 2018-10-11
    BRITISH BIO-TECHNOLOGY GROUP PLC - 1994-07-29
    icon of address Suite 1, 7th Floor 50 Broadway, London, United Kingdom
    Active Corporate (5 parents, 6 offsprings)
    Officer
    icon of calendar 1993-03-23 ~ 1996-09-30
    IIF 5 - Director → ME
  • 7
    CORE GROUP PLC - 1999-12-13
    PACIFIC SHELF 695 LIMITED - 1997-01-24
    icon of address 50 Lothian Road, Festival Square, Edinburgh, Scotland
    Active Corporate (3 parents, 1 offspring)
    Equity (Company account)
    23,218,234 GBP2023-12-31
    Officer
    icon of calendar 1997-01-23 ~ 2008-06-23
    IIF 6 - Director → ME
  • 8
    icon of address The School Of Pharmacy, University Of London, 29-39 Brunswick Square, London
    Dissolved Corporate (7 parents)
    Officer
    icon of calendar 2005-02-21 ~ 2006-10-25
    IIF 7 - Director → ME
  • 9
    BRITISH BIO-TECHNOLOGY LIMITED - 1994-06-03
    BRITISH BIOTECHNOLOGY LIMITED - 1988-07-15
    BRITISH BIOTECH PHARMACEUTICALS LIMITED - 2003-10-01
    GROWTRIM LIMITED - 1986-04-04
    VERNALIS (OXFORD) LIMITED - 2003-12-18
    BIOTECHNOLOGY (UK) LIMITED - 1986-08-18
    BRITISH BIO-TECHNOLOGY LIMITED - 1994-07-29
    icon of address Granta Park, Great Abington, Cambridge, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 1993-03-23 ~ 1996-09-30
    IIF 2 - Director → ME
  • 10
    TRUSHELFCO (NO.1796) LIMITED - 1992-05-22
    XENOVA GROUP PLC - 2005-09-01
    icon of address First Floor, 1 East Poultry Avenue, London
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 1996-10-07 ~ 2005-09-01
    IIF 12 - Director → ME
  • 11
    TWENTY-SIXTH SHELF INVESTMENT COMPANY LIMITED - 1986-02-28
    INGENUM LIMITED - 1986-10-24
    icon of address First Floor, 1 East Poultry Avenue, London
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 1996-10-07 ~ 2002-07-21
    IIF 11 - Director → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.