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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 4
  • 1
    Badarani, Sami
    Born in January 1963
    Individual (6 offsprings)
    Officer
    icon of calendar 2017-07-01 ~ now
    OF - Director → CIF 0
  • 2
    Floreani, Mathieu Olivier
    Born in July 1967
    Individual (2 offsprings)
    Officer
    icon of calendar 2019-06-11 ~ now
    OF - Director → CIF 0
  • 3
    EPHIOS TOPCO LIMITED - 2015-11-19
    icon of address4th Floor, 1 Kingdom Street, London, England
    Active Corporate (4 parents, 1 offspring)
    Person with significant control
    icon of calendar 2017-06-04 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
  • 4
    icon of address39, Alma Road, St Albans, United Kingdom
    Active Corporate (2 parents, 24 offsprings)
    Equity (Company account)
    1 GBP2025-03-31
    Officer
    icon of calendar 2016-04-01 ~ now
    OF - Secretary → CIF 0
Ceased 5
  • 1
    Leslie, Alexander Francis Stewart
    Principal born in December 1979
    Individual (9 offsprings)
    Officer
    icon of calendar 2015-06-04 ~ 2015-11-12
    OF - Director → CIF 0
  • 2
    Mcalpine, Stuart Anderson
    Partner born in October 1966
    Individual
    Officer
    icon of calendar 2015-06-04 ~ 2015-11-12
    OF - Director → CIF 0
  • 3
    Quin, Stuart James
    Company Director born in January 1975
    Individual (6 offsprings)
    Officer
    icon of calendar 2015-11-12 ~ 2019-06-11
    OF - Director → CIF 0
  • 4
    Marcel, Vincent
    Company Director born in October 1961
    Individual
    Officer
    icon of calendar 2015-11-12 ~ 2017-06-19
    OF - Director → CIF 0
  • 5
    BASILCLOSE LIMITED - 2009-06-11
    CLIFFORD CHANCE SECRETARIES 2009 LIMITED - 2009-08-28
    icon of address5th Floor, 6 St. Andrew Street, London, United Kingdom
    Active Corporate (8 parents, 1149 offsprings)
    Officer
    2015-07-30 ~ 2016-03-31
    PE - Secretary → CIF 0
    2015-06-04 ~ 2016-03-31
    PE - Secretary → CIF 0
parent relation
Company in focus

SYNLAB HOLDCO LIMITED

Previous names
ZEUS HOLDCO LIMITED - 2015-06-11
EPHIOS HOLDCO LIMITED - 2015-11-19
Standard Industrial Classification
70100 - Activities Of Head Offices

Related profiles found in government register
  • SYNLAB HOLDCO LIMITED
    Info
    ZEUS HOLDCO LIMITED - 2015-06-11
    EPHIOS HOLDCO LIMITED - 2015-06-11
    Registered number 09623809
    icon of addressFriars Bridge Court, 41-43 Blackfriars Road, London SE1 8NZ
    PRIVATE LIMITED COMPANY incorporated on 2015-06-04 (10 years 5 months). The company status is Active.
    The last date of confirmation statement was made at 2025-06-04
    CIF 0
  • SYNLAB HOLDCO LIMITED
    S
    Registered number 9623809
    icon of address4th Floor, 1 Kingdom Street, London, England, W2 6BD
    Private Company Limited By Shares in England & Wales, England
    CIF 1 CIF 2
child relation
Offspring entities and appointments
Active 2
  • 1
    EPHIOS HOLDCO III LIMITED - 2015-11-19
    icon of address4th Floor 1 Kingdom Street, London, England
    Dissolved Corporate (4 parents)
    Person with significant control
    icon of calendar 2017-06-19 ~ dissolved
    CIF 1 - Ownership of shares – 75% or moreOE
  • 2
    ZEUS HOLDCO II LIMITED - 2015-06-11
    EPHIOS HOLDCO II PLC - 2015-11-19
    EPHIOS HOLDCO II LIMITED - 2015-07-17
    icon of addressFriars Bridge Court, 41-43 Blackfriars Road, London, England
    Active Corporate (4 parents, 1 offspring)
    Person with significant control
    icon of calendar 2017-06-04 ~ now
    CIF 2 - Ownership of shares – 75% or moreOE

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