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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

Irwin, Thomas Ronald

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

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Beechcroft Camp Road, Gerrards Cross, Buckinghamshire, SL9 7PG

      IIF 1
  • 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
    • 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
    • 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
    • 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
    • 42 Portman Road, Reading, Berkshire, RG30 1EA

      IIF 12
child relation
Offspring entities and appointments 11
  • 1
    AVENTIS PHARMA LIMITED - now
    MARION MERRELL LIMITED - 1999-12-16
    MARION MERRELL DOW LIMITED
    - 1995-09-14 01535640
    MERRELL DOW PHARMACEUTICALS LIMITED
    - 1992-01-06 01535640
    MERRELL PHARMACEUTICALS LIMITED
    - 1983-12-06 01535640
    410 Thames Valley Park Drive, Reading, Berkshire, England
    Active Corporate (39 parents, 6 offsprings)
    Officer
    ~ 1993-04-16
    IIF 9 - Director → ME
  • 2
    CENES DRUG DELIVERY LIMITED
    - now SC131764
    CORE TECHNOLOGIES LIMITED
    - 1999-12-21 SC131764
    PACIFIC SHELF 397 LIMITED - 1992-03-23
    Saltire Court, 20 Castle Terrace, Edinburgh
    Dissolved Corporate (28 parents)
    Officer
    1996-10-17 ~ 1997-01-23
    IIF 4 - Director → ME
    1999-09-17 ~ 2000-01-28
    IIF 8 - Director → ME
  • 3
    DOWCHEMCO PENSION TRUST LIMITED
    00660262
    Diamond House, Lotus Park Kingsbury Crescent, Staines, Middlesex
    Dissolved Corporate (34 parents)
    Officer
    ~ 1993-03-15
    IIF 10 - Director → ME
  • 4
    ECHO INTERNATIONAL HEALTH SERVICES LIMITED
    - now 01059894
    JOINT MISSION HOSPITAL EQUIPMENT BOARD LIMITED (THE) - 1992-07-15
    6 Grosvenor Road, Banbury, England
    Active Corporate (38 parents)
    Officer
    1997-04-10 ~ 2022-06-22
    IIF 5 - Director → ME
  • 5
    LEND LEASE CONSTRUCTION TANVEC GROUP LIMITED - now
    BOVIS TANVEC GROUP LIMITED - 2011-11-10
    TANVEC GROUP LIMITED
    - 1999-10-29 03545605
    INTERCEDE 1325 LIMITED - 1998-05-27
    Pb Jackson Norton Llp, 7th Floor Dashwood House, 69 Old Broad Street, London
    Dissolved Corporate (21 parents)
    Officer
    1998-09-29 ~ 1999-08-02
    IIF 2 - Director → ME
  • 6
    LIGAND UK LIMITED - now
    VERNALIS LIMITED - 2020-12-03
    VERNALIS PLC - 2018-10-11
    BRITISH BIOTECH PLC
    - 2003-10-01 02304992 02888200... (more)
    BRITISH BIO-TECHNOLOGY GROUP PLC
    - 1994-07-29 02304992 01985479... (more)
    BRITISH BIO-TECHNOLOGY GROUP PLC
    - 1994-06-03 02304992 01985479... (more)
    DOUBLEMANTA LIMITED - 1989-03-17
    Suite 1, 7th Floor 50 Broadway, London, United Kingdom
    Active Corporate (60 parents, 7 offsprings)
    Officer
    1993-03-23 ~ 1996-09-30
    IIF 6 - Director → ME
  • 7
    PAION HOLDINGS UK LIMITED
    - now SC166791
    CORE GROUP PLC
    - 1999-12-13 SC166791
    PACIFIC SHELF 695 LIMITED
    - 1997-01-24 SC166791 SC416128... (more)
    50 Lothian Road, Festival Square, Edinburgh, Scotland
    Active Corporate (42 parents, 2 offsprings)
    Officer
    1997-01-23 ~ 2008-06-23
    IIF 1 - Director → ME
  • 8
    PHARMOVATION LIMITED
    05062244
    The School Of Pharmacy, University Of London, 29-39 Brunswick Square, London
    Dissolved Corporate (15 parents, 1 offspring)
    Officer
    2005-02-21 ~ 2006-10-25
    IIF 7 - Director → ME
  • 9
    VERNALIS (R&D) LIMITED - now
    VERNALIS (OXFORD) LIMITED - 2003-12-18
    BRITISH BIOTECH PHARMACEUTICALS LIMITED
    - 2003-10-01 01985479
    BRITISH BIO-TECHNOLOGY LIMITED
    - 1994-07-29 01985479 02888200... (more)
    BRITISH BIO-TECHNOLOGY LIMITED
    - 1994-06-03 01985479 02888200... (more)
    BRITISH BIOTECHNOLOGY LIMITED - 1988-07-15
    BIOTECHNOLOGY (UK) LIMITED - 1986-08-18
    GROWTRIM LIMITED - 1986-04-04
    Granta Park, Great Abington, Cambridge, England
    Active Corporate (39 parents, 1 offspring)
    Officer
    1993-03-23 ~ 1996-09-30
    IIF 3 - Director → ME
  • 10
    XENOVA GROUP LIMITED - now
    XENOVA GROUP PLC
    - 2005-09-01 02698673
    TRUSHELFCO (NO.1796) LIMITED - 1992-05-22
    First Floor, 1 East Poultry Avenue, London
    Dissolved Corporate (35 parents)
    Officer
    1996-10-07 ~ 2005-09-01
    IIF 12 - Director → ME
  • 11
    XENOVA LIMITED
    - now 01970244
    INGENUM LIMITED - 1986-10-24
    TWENTY-SIXTH SHELF INVESTMENT COMPANY LIMITED - 1986-02-28
    First Floor, 1 East Poultry Avenue, London
    Dissolved Corporate (29 parents)
    Officer
    1996-10-07 ~ 2002-07-21
    IIF 11 - Director → ME

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