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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

Osborne, Mark Jonathan

    Related profiles found in government register
  • Osborne, Mark Jonathan
    British born in March 1975

    Resident in England

    Registered addresses and corresponding companies
  • Osborne, Mark Jonathan
    British born in March 1975

    Resident in United States

    Registered addresses and corresponding companies
  • Osborne, Mark Jonathan
    British director born in March 1975

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mr Mark Jonathan Osborne
    British born in March 1975

    Resident in England

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments 10
  • 1
    CAREKEM LIMITED
    - now 09719357 12774803
    LABMEDICS SERVICING LTD - 2020-09-03
    Active Corporate (11 parents, 1 offspring)
    Officer
    2026-06-19 ~ now
    IIF 7 - Director → ME
  • 2
    CROWCON DETECTION INSTRUMENTS LIMITED
    - now 00978878
    CROWCON INSTRUMENTS LIMITED - 1992-01-08
    CROWCON (INSTRUMENTS) LIMITED - 1986-10-10
    Active Corporate (41 parents)
    Officer
    2010-12-01 ~ 2014-12-01
    IIF 10 - Director → ME
  • 3
    FFE LIMITED
    - now 01192710 01679486
    FIRE FIGHTING ENTERPRISES LIMITED
    - 2015-01-13 01192710 01679486
    FIRST TECHNOLOGY FIRE AND SAFETY LIMITED - 1997-11-21
    FIRE FIGHTING ENTERPRISES (U.K.) LIMITED - 1991-05-10
    FIRE FIGHTING EQUIPMENT LIMITED - 1986-10-21
    PRIDEBREW LIMITED - 1986-04-08
    FIRE FIGHTING EQUIPMENT LIMITED - 1986-03-13
    FIRE FIGHTING ENTERPRISES (UK) LIMITED - 1986-02-01
    Active Corporate (40 parents)
    Officer
    2014-09-10 ~ 2017-04-28
    IIF 2 - Director → ME
  • 4
    FIRETRACE INTERNATIONAL LIMITED
    06322924
    Dissolved Corporate (12 parents)
    Officer
    2017-05-09 ~ dissolved
    IIF 9 - Director → ME
  • 5
    KBIOSERVICES LIMITED
    - now 03757709
    KAYBEE SYSTEMS LIMITED - 2000-07-21
    Active Corporate (13 parents)
    Officer
    2021-07-20 ~ now
    IIF 5 - Director → ME
  • 6
    KBIOSYSTEMS LIMITED
    - now 02389004
    KAYBEE ENGINEERING LIMITED - 2000-07-21
    Active Corporate (12 parents)
    Officer
    2021-07-20 ~ now
    IIF 6 - Director → ME
  • 7
    KEELER LIMITED
    - now 00408759
    KEELER OPTICAL PRODUCTS LIMITED - 1983-12-12
    Active Corporate (49 parents, 1 offspring)
    Officer
    2021-02-18 ~ 2021-04-28
    IIF 1 - Director → ME
    Person with significant control
    2021-02-18 ~ 2021-04-28
    IIF 11 - Right to appoint or remove directors → OE
  • 8
    PORVAIR SCIENCES LIMITED
    - now 02047818
    PORVAIR FILTRONICS LIMITED - 1996-09-17
    POLYFILTRONICS LIMITED - 1993-07-20
    SPEYDYNE LIMITED - 1987-01-14
    Active Corporate (19 parents)
    Officer
    2021-07-23 ~ now
    IIF 4 - Director → ME
  • 9
    SEAL ANALYTICAL LIMITED
    - now 04008521
    SYNERMED ENVIRONMENTAL & ANALYTICAL LIMITED - 2003-05-21
    ANGLOBONUS LIMITED - 2000-09-15
    Active Corporate (22 parents, 1 offspring)
    Officer
    2021-07-20 ~ now
    IIF 3 - Director → ME
  • 10
    SMART ANALYTICAL LTD
    10241949
    Active Corporate (5 parents)
    Officer
    2026-06-19 ~ now
    IIF 8 - Director → ME

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