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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

Johnson, Ian Roy

    Related profiles found in government register
  • Johnson, Ian Roy
    British born in June 1953

    Resident in England

    Registered addresses and corresponding companies
  • Johnson, Ian Roy
    British executive chairman born in June 1953

    Resident in England

    Registered addresses and corresponding companies
  • Johnson, Ian Roy
    British born in June 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments 30
  • 1
    BIG TECHNOLOGIES PLC
    - now 10791781
    BIG TECHNOLOGIES LIMITED - 2021-07-08
    Active Corporate (12 parents, 2 offsprings)
    Officer
    2025-04-07 ~ now
    IIF 18 - Director → ME
  • 2
    BIOFORTUNA LIMITED - now
    BIOFORTUNA LTD
    - 2023-05-05 06514391
    Active Corporate (16 parents, 3 offsprings)
    Officer
    2015-01-13 ~ 2017-08-04
    IIF 16 - Director → ME
  • 3
    BIOQUELL LIMITED - now
    BIOQUELL PLC
    - 2019-10-01 00206372 02734844
    KYNOCH GROUP PLC - 2000-05-12
    G & G KYNOCH PUBLIC LIMITED COMPANY - 1992-05-05
    Dissolved Corporate (31 parents, 2 offsprings)
    Officer
    2016-06-10 ~ 2019-05-20
    IIF 3 - Director → ME
  • 4
    BIOQUELL UK LIMITED
    - now 02520270
    MICROFLOW LIMITED - 2000-11-08
    M.D.H. LIMITED - 1998-01-16
    ACRED LIMITED - 1990-11-07
    Dissolved Corporate (32 parents, 1 offspring)
    Officer
    2016-08-24 ~ 2019-05-20
    IIF 1 - Director → ME
  • 5
    BIOTRACE FRED BAKER LIMITED
    - now 01951454
    FRED BAKER SCIENTIFIC LIMITED
    - 2002-10-29 01951454
    CHARTINA LIMITED - 1985-11-26
    Dissolved Corporate (16 parents)
    Officer
    2002-10-15 ~ 2007-03-31
    IIF 23 - Director → ME
  • 6
    BIOTRACE INTERNATIONAL LIMITED
    02858626
    Dissolved Corporate (23 parents)
    Officer
    1993-09-27 ~ 2007-03-31
    IIF 25 - Director → ME
  • 7
    BIOTRACE LIMITED
    - now 02261333
    MICROBIOLOGICAL SYSTEMS LIMITED
    - 1988-08-05 02261333
    Dissolved Corporate (23 parents)
    Officer
    (before 1992-05-24) ~ 2007-03-31
    IIF 26 - Director → ME
  • 8
    BIOXYQUELL LIMITED
    - now 03909700
    BIOQUELL TECHNOLOGIES LIMITED - 2006-09-18
    RBCO 313 LIMITED - 2000-02-15
    Dissolved Corporate (14 parents)
    Officer
    2016-08-24 ~ 2019-05-20
    IIF 2 - Director → ME
  • 9
    BUDDI LIMITED
    05308826
    Active Corporate (17 parents, 1 offspring)
    Officer
    2025-05-07 ~ now
    IIF 17 - Director → ME
  • 10
    CELSIS GROUP LIMITED
    07421412 07419549
    Active Corporate (20 parents, 1 offspring)
    Officer
    2010-11-10 ~ 2015-07-24
    IIF 19 - Director → ME
  • 11
    CIRCASSIA PHARMA LIMITED
    06410308
    Dissolved Corporate (10 parents)
    Officer
    2020-01-09 ~ dissolved
    IIF 15 - Director → ME
  • 12
    CLINIGEN LIMITED - now
    CLINIGEN GROUP PLC
    - 2022-05-04 06771928
    CLINIGEN PLC - 2022-05-04
    CLINIGEN GROUP LIMITED - 2012-08-29
    CLINIGEN HOLDINGS LIMITED - 2011-04-14
    Active Corporate (33 parents, 5 offsprings)
    Officer
    2021-08-03 ~ 2022-04-04
    IIF 6 - Director → ME
  • 13
    CYPROTEX LIMITED - now
    CYPROTEX PLC
    - 2017-06-01 04311107 04184635... (more)
    CYPROTEX SERVICES LIMITED - 2002-01-07
    INHOCO 2437 LIMITED - 2001-12-04
    Active Corporate (38 parents, 1 offspring)
    Officer
    2013-09-26 ~ 2016-12-14
    IIF 13 - Director → ME
  • 14
    DEVELOPMENT BANK OF WALES PUBLIC LIMITED COMPANY - now
    FINANCE WALES PUBLIC LIMITED COMPANY
    - 2017-10-06 04055414
    Active Corporate (47 parents, 39 offsprings)
    Officer
    2008-03-15 ~ 2015-09-30
    IIF 29 - Director → ME
  • 15
    ERGOMED GROUP LIMITED - now
    ERGOMED GROUP PLC - 2023-12-12
    ERGOMED PLC
    - 2023-12-12 04081094 05094681
    ERGOMED CLINICAL RESEARCH LIMITED - 2014-06-06
    ERGOMED CLINICAL RESEARCH PLC - 2014-06-06
    Active Corporate (34 parents, 9 offsprings)
    Officer
    2019-08-19 ~ 2021-04-28
    IIF 9 - Director → ME
  • 16
    FLAVORACTIV LIMITED
    03205545
    Active Corporate (18 parents, 1 offspring)
    Officer
    1998-10-14 ~ 1999-11-22
    IIF 24 - Director → ME
  • 17
    INDUCTION HEALTHCARE GROUP LIMITED - now
    INDUCTION HEALTHCARE GROUP PLC
    - 2025-07-09 11852026 11237890... (more)
    Active Corporate (25 parents, 3 offsprings)
    Officer
    2022-12-02 ~ 2025-06-18
    IIF 12 - Director → ME
  • 18
    KLENITISE LIMITED
    - now 07822618
    MANDACO 705 LIMITED - 2012-03-21
    Dissolved Corporate (6 parents)
    Officer
    2012-05-01 ~ 2022-07-27
    IIF 7 - Director → ME
  • 19
    LUMORA LIMITED
    04569106
    Active Corporate (18 parents)
    Officer
    2008-04-22 ~ 2015-09-03
    IIF 20 - Director → ME
  • 20
    MDH DEFENCE LIMITED
    11234544
    Active Corporate (6 parents)
    Officer
    2018-03-05 ~ 2018-05-24
    IIF 4 - Director → ME
  • 21
    MYCELX TECHNOLOGIES CORPORATION
    FC030615
    Active Corporate (15 parents)
    Officer
    2012-01-25 ~ 2013-05-14
    IIF 8 - Director → ME
  • 22
    NIOX GROUP PLC
    - now 05822706 14271015
    CIRCASSIA GROUP PLC
    - 2022-09-01 05822706
    CIRCASSIA PHARMACEUTICALS PLC
    - 2020-04-30 05822706
    CIRCASSIA PHARMACEUTICALS LIMITED - 2014-02-24
    CIRCASSIA HOLDINGS LIMITED - 2014-02-24
    Active Corporate (28 parents, 4 offsprings)
    Officer
    2019-12-05 ~ now
    IIF 30 - Director → ME
  • 23
    NIOX HEALTHCARE LIMITED
    - now 03689966
    CIRCASSIA LIMITED
    - 2023-07-28 03689966
    Active Corporate (37 parents)
    Officer
    2020-01-09 ~ 2025-02-04
    IIF 22 - Director → ME
  • 24
    PROSONIX LIMITED
    05679156
    Dissolved Corporate (27 parents)
    Officer
    2020-01-09 ~ dissolved
    IIF 14 - Director → ME
  • 25
    PURE OPTIONS SOLUTIONS LIMITED
    - now 07088556
    SEVCO (2021) LIMITED - 2009-12-02
    Dissolved Corporate (13 parents)
    Officer
    2009-12-03 ~ dissolved
    IIF 21 - Director → ME
  • 26
    QUANTUM PHARMA HOLDINGS LIMITED - now
    QUANTUM PHARMA HOLDINGS PLC - 2017-11-02
    QUANTUM PHARMA PLC
    - 2017-11-02 09269818 09269809
    Active Corporate (20 parents, 1 offspring)
    Officer
    2016-10-19 ~ 2017-11-01
    IIF 5 - Director → ME
  • 27
    REDCENTRIC PLC
    08397584
    Active Corporate (32 parents, 3 offsprings)
    Officer
    2019-10-16 ~ 2021-11-17
    IIF 10 - Director → ME
  • 28
    RUSKINN LIFE SCIENCES LIMITED
    05674758
    Active Corporate (8 parents)
    Officer
    2008-05-06 ~ 2012-05-21
    IIF 27 - Director → ME
  • 29
    RUSKINN TECHNOLOGY LIMITED
    - now 05692599
    RUSKINN HOLDINGS LIMITED - 2006-03-23
    Active Corporate (13 parents)
    Officer
    2008-05-06 ~ 2011-07-06
    IIF 28 - Director → ME
  • 30
    TOXIMET LIMITED
    05535606
    Dissolved Corporate (22 parents)
    Officer
    2013-09-19 ~ 2015-04-30
    IIF 11 - Director → ME

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Contains public sector information retrieved at 14 July 2026 and licensed under the Open Government Licence v3.0.