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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

Siddall, Sidney Stewart

    Related profiles found in government register
  • Siddall, Sidney Stewart
    British born in April 1936

    Registered addresses and corresponding companies
    • Manor Farm Ayot Little Green, Ayot St Peter, Welwyn, Hertfordshire, AL6 9BD

      IIF 1 IIF 2 IIF 3
    • The Manor House Ellesfield, School Lane, Welwyn, Hertfordshire, AL6 9DX

      IIF 4 IIF 5
  • Siddall, Sidney Stewart
    British chairman born in April 1936

    Registered addresses and corresponding companies
    • Manor Farm Ayot Little Green, Ayot St Peter, Welwyn, Hertfordshire, AL6 9BD

      IIF 6
  • Siddall, Sidney Stewart
    British company director born in April 1936

    Registered addresses and corresponding companies
    • The Manor House Ellesfield, School Lane, Welwyn, Hertfordshire, AL6 9DX

      IIF 7
  • Siddall, Sidney Stewart
    British director born in April 1936

    Registered addresses and corresponding companies
  • Siddall, Sidney Stewart
    British retired born in April 1936

    Registered addresses and corresponding companies
    • The Manor House Ellesfield, School Lane, Welwyn, Hertfordshire, AL6 9DX

      IIF 12
  • Siddall, Sidney Stewart
    British senior v-p for public and industry affairs born in April 1936

    Registered addresses and corresponding companies
    • The Manor House Ellesfield, School Lane, Welwyn, Hertfordshire, AL6 9DX

      IIF 13
  • Siddall, Sidney Stewart
    British vice chairman uk pharmaceuticals born in April 1936

    Registered addresses and corresponding companies
    • The Manor House Ellesfield, School Lane, Welwyn, Hertfordshire, AL6 9DX

      IIF 14
child relation
Offspring entities and appointments 14
  • 1
    ALIZYME PLC
    - now 03163027 02762675
    Insolvency (Case 1) In administration
    Administration started on 2009-07-27
    Administration ended on 2009-12-21
    Insolvency (Case 2) Creditors voluntary liquidation
    Commencement of winding up on 2009-12-21
    Dissolved on 2020-05-21
    MAWLAW 291 PLC
    - 1996-06-21 03163027 03158108... (more)
    Grant Thornton Uk Llp 101 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire
    Dissolved Corporate (20 parents)
    Officer
    1996-06-20 ~ 2001-12-31
    IIF 10 - Director → ME
  • 2
    ALIZYME THERAPEUTICS LIMITED
    - now 02762675
    Insolvency (Case 1) In administration
    Administration started on 2009-07-27
    Administration ended on 2009-12-21
    Insolvency (Case 2) Creditors voluntary liquidation
    Commencement of winding up on 2009-12-21
    Dissolved on 2020-02-18
    ALIZYME LIMITED
    - 1996-06-21 02762675 03163027
    ADAPAS LIMITED - 1995-03-22
    Grant Thornton Uk Llp 101 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire
    Dissolved Corporate (23 parents)
    Officer
    1996-03-14 ~ 2001-12-31
    IIF 11 - Director → ME
  • 3
    AMYLIN EUROPE LIMITED
    - now 02199621
    Insolvency (Case 1) Members voluntary liquidation
    Commencement of winding up on 2008-10-29
    Dissolved on 2010-01-31
    AMYLIN LIMITED - 1992-07-17
    AMYLIN (U.K.) LIMITED - 1988-02-22
    PRODUCTRECENT LIMITED - 1988-02-08
    Sherlock House, 73 Baker Street, London
    Dissolved Corporate (13 parents)
    Officer
    1994-07-01 ~ 1998-12-31
    IIF 1 - Director → ME
  • 4
    BOEHRINGER INGELHEIM LIMITED
    00711858 00525757... (more)
    Ellesfield Avenue, Bracknell, Berkshire
    Active Corporate (32 parents, 2 offsprings)
    Officer
    1997-08-11 ~ 2001-07-01
    IIF 9 - Director → ME
  • 5
    BRITISH PHARMA GROUP LIMITED
    02538510
    79 New Oxford Street, London, United Kingdom
    Active Corporate (50 parents)
    Officer
    (before 1991-09-10) ~ 1994-12-16
    IIF 7 - Director → ME
  • 6
    CELLTECH GROUP LIMITED - now
    CELLTECH GROUP PLC - 2004-12-02
    CELLTECH CHIROSCIENCE PLC - 1999-12-21
    CELLTECH PLC
    - 1999-08-04 02159282 03872133... (more)
    CELLTECH GROUP PLC
    - 1997-02-28 02159282 03731122
    208 Bath Road, Slough, Berkshire
    Active Corporate (54 parents, 7 offsprings)
    Officer
    1991-04-24 ~ 1999-08-03
    IIF 12 - Director → ME
  • 7
    CELLTECH R&D LIMITED - now
    CELLTECH CHIROSCIENCE LIMITED - 2001-04-02
    CELLTECH THERAPEUTICS LIMITED - 2000-05-16
    CELLTECH LIMITED
    - 1994-10-03 01472269 03872133... (more)
    ALNERY NO.31 LIMITED - 1980-12-31
    208 Bath Road, Slough, Berkshire
    Active Corporate (43 parents, 1 offspring)
    Officer
    1991-04-24 ~ 1993-10-01
    IIF 14 - Director → ME
  • 8
    CENES DRUG DELIVERY LIMITED - now
    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
    1996-04-01 ~ 1997-01-23
    IIF 8 - Director → ME
  • 9
    CHEMICAL INDUSTRIES ASSOCIATION LIMITED
    00860702
    Kings Buildings, Smith Square, London
    Active Corporate (178 parents)
    Officer
    (before 1991-09-25) ~ 1994-05-31
    IIF 4 - Director → ME
  • 10
    DATAPHARM COMMUNICATIONS LIMITED - now
    DATAPHARM PUBLICATIONS LIMITED
    - 1999-11-18 01317421
    PHARMIND PUBLICATIONS LIMITED
    - 1979-12-31 01317421
    Ground Floor, Pascal Place, Randalls Way, Leatherhead, Surrey, England
    Dissolved Corporate (51 parents)
    Officer
    (before 1993-03-09) ~ 1997-03-11
    IIF 13 - Director → ME
  • 11
    HERTFORD OFFSET LIMITED
    01160209
    Unit 1 The Cam Centre, Wilbury Way, Hitchin, Hertfordshire, England
    Active Corporate (11 parents)
    Officer
    1998-08-24 ~ 2000-01-31
    IIF 6 - Director → ME
  • 12
    OXFORD NATURAL PRODUCTS PLC.
    03554809
    Insolvency (Case 1) Administration order
    Administration started on 2003-04-16
    Administration discharged on 2004-02-19
    Insolvency (Case 2) Compulsory liquidation
    Petition date on 2004-02-03
    Commencement of winding up on 2004-02-19
    Conclusion of winding up on 2009-11-23
    Dissolved on 2010-02-28
    One Great Cumberland Place, Marble Arch, London
    Dissolved Corporate (18 parents)
    Officer
    1999-03-01 ~ 1999-09-01
    IIF 3 - Director → ME
  • 13
    PAION HOLDINGS UK LIMITED
    - now SC166791
    CORE GROUP PLC
    - 1999-12-13 SC166791
    PACIFIC SHELF 695 LIMITED
    - 1997-01-24 SC166791 SC170198... (more)
    50 Lothian Road, Festival Square, Edinburgh, Scotland
    Active Corporate (42 parents, 2 offsprings)
    Officer
    1997-01-23 ~ 1999-12-13
    IIF 2 - Director → ME
  • 14
    SMITH KLINE & FRENCH LABORATORIES LIMITED
    00052207
    Insolvency (Case 1) Members voluntary liquidation
    Commencement of winding up on 2024-10-22
    Dissolved on 2026-01-21
    C/o Bdo Llp, 5 Temple Square, Temple Street, Liverpool
    Dissolved Corporate (29 parents, 1 offspring)
    Officer
    (before 1991-12-31) ~ 1994-06-23
    IIF 5 - Director → ME

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Contains public sector information retrieved at 22 April 2026 and licensed under the Open Government Licence v3.0.