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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company 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
Active 5
  • 1
    Thornley, Simon Carwyn
    Born in February 1972
    Individual (6 offsprings)
    Officer
    icon of calendar 2022-10-17 ~ now
    OF - Director → CIF 0
  • 2
    Turland, Kevin John
    Born in March 1969
    Individual (29 offsprings)
    Officer
    icon of calendar 2016-02-15 ~ now
    OF - Director → CIF 0
  • 3
    Lowey, Elaine
    Born in October 1978
    Individual (5 offsprings)
    Officer
    icon of calendar 2024-07-26 ~ now
    OF - Director → CIF 0
  • 4
    STEVTON (NO.218) LIMITED - 2001-12-04
    JTC MAYFAIR LIMITED - 2006-07-19
    icon of addressThe Scalpel, 18th Floor, 52 Lime Street, London, United Kingdom
    Active Corporate (8 parents, 359 offsprings)
    Equity (Company account)
    Retained earnings (accumulated losses)
    2,264,414 GBP2024-12-31
    Officer
    icon of calendar 2023-06-29 ~ now
    OF - Secretary → CIF 0
  • 5
    CLINICAL LAB JV LIMITED - 2015-07-01
    icon of address3, Forbury Place, 23 Forbury Road, Reading, United Kingdom
    Active Corporate (7 parents, 4 offsprings)
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
Ceased 8
  • 1
    De Leon Cinco, Teresa
    Vice President And Treasurer born in January 1970
    Individual
    Officer
    icon of calendar 2015-07-08 ~ 2016-02-15
    OF - Director → CIF 0
  • 2
    Calamari, Stephen Andrew
    Vice President, Tax born in December 1954
    Individual
    Officer
    icon of calendar 2015-07-08 ~ 2016-02-15
    OF - Director → CIF 0
  • 3
    Brown, Tony
    Executive born in April 1963
    Individual (6 offsprings)
    Officer
    icon of calendar 2018-12-21 ~ 2024-07-26
    OF - Director → CIF 0
  • 4
    O'shaughnessy, William Joseph
    Individual (2 offsprings)
    Officer
    icon of calendar 2015-07-28 ~ 2016-02-15
    OF - Secretary → CIF 0
  • 5
    Macdonald, Alasdair
    Company Lawyer born in June 1959
    Individual (10 offsprings)
    Officer
    icon of calendar 2016-02-15 ~ 2018-12-31
    OF - Director → CIF 0
  • 6
    Hunkler, Jacqueline
    Individual
    Officer
    icon of calendar 2015-07-08 ~ 2015-07-28
    OF - Secretary → CIF 0
  • 7
    QUEST DIAGNOSTICS SUBSIDIARY HOLDINGS LTD.
    icon of addressAudley House, Palace Street, London, England
    Dissolved Corporate (4 parents)
    Person with significant control
    2016-04-06 ~ 2016-04-06
    PE - Ownership of shares – 75% or moreCIF 0
  • 8
    icon of address5, Fleet Place, London, England
    Dissolved Corporate (2 parents, 73 offsprings)
    Officer
    2018-06-05 ~ 2023-06-29
    PE - Secretary → CIF 0
parent relation
Company in focus

Q SQUARED SOLUTIONS CHINA (QUEST) LIMITED

Previous name
QUEST DIAGNOSTICS CHINA HOLDINGS LTD. - 2015-10-21
Standard Industrial Classification
72110 - Research And Experimental Development On Biotechnology

  • Q SQUARED SOLUTIONS CHINA (QUEST) LIMITED
    Info
    QUEST DIAGNOSTICS CHINA HOLDINGS LTD. - 2015-10-21
    Registered number 09677411
    icon of address3 Forbury Place, 23 Forbury Road, Reading RG1 3JH
    PRIVATE LIMITED COMPANY incorporated on 2015-07-08 (10 years 4 months). The company status is Active.
    The last date of confirmation statement was made at 2025-07-07
    CIF 0
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.

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