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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 3
  • 1
    Grimason, Deborah
    General Counsel & Company Secretary born in March 1963
    Individual (76 offsprings)
    Officer
    icon of calendar 2019-08-16 ~ dissolved
    OF - Director → CIF 0
    Grimason, Deborah
    Individual (76 offsprings)
    Officer
    icon of calendar 2018-09-25 ~ dissolved
    OF - Secretary → CIF 0
  • 2
    Laker, Nicholas Paul
    Ship Manager born in March 1982
    Individual (1 offspring)
    Officer
    icon of calendar 2019-09-01 ~ dissolved
    OF - Director → CIF 0
  • 3
    CARGO ANALYTICS LIMITED - 1994-12-30
    SEATEC SAFETY SYSTEMS LIMITED - 2006-05-10
    icon of addressSkypark, 8 Elliot Place, Glasgow, Scotland
    Active Corporate (6 parents, 1 offspring)
    Person with significant control
    icon of calendar 2016-04-06 ~ dissolved
    PE - Has significant influence or control as a member of a firmCIF 0
    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 13
  • 1
    Vallance, Ian
    Director Of Finance born in February 1969
    Individual (12 offsprings)
    Officer
    icon of calendar 2017-03-15 ~ 2017-03-15
    OF - Director → CIF 0
    Vallance, Ian
    Financial Director born in February 1969
    Individual (12 offsprings)
    icon of calendar 2018-04-06 ~ 2019-08-16
    OF - Director → CIF 0
    Vallance, Ian
    Individual (12 offsprings)
    Officer
    icon of calendar 2015-02-13 ~ 2018-09-25
    OF - Secretary → CIF 0
  • 2
    Stevenson, Peter Anthony
    Commercial Sales Director born in March 1960
    Individual
    Officer
    icon of calendar 1997-08-13 ~ 2011-12-16
    OF - Director → CIF 0
  • 3
    Jones, David Fitzherbert
    Chairman born in June 1936
    Individual
    Officer
    icon of calendar ~ 2006-03-08
    OF - Director → CIF 0
  • 4
    Edwards, Christopher Digby Korman
    Cepd Consultant born in January 1953
    Individual (4 offsprings)
    Officer
    icon of calendar 2006-03-08 ~ 2007-12-03
    OF - Director → CIF 0
  • 5
    Jackson, Joseph
    Technical Director born in April 1954
    Individual
    Officer
    icon of calendar 2000-09-01 ~ 2011-01-17
    OF - Director → CIF 0
  • 6
    Devine, James Patrick
    Ceo born in January 1954
    Individual (1 offspring)
    Officer
    icon of calendar 2006-03-08 ~ 2009-03-31
    OF - Director → CIF 0
  • 7
    Stafford, Martin Thomas
    Director born in November 1957
    Individual (2 offsprings)
    Officer
    icon of calendar 2008-03-05 ~ 2017-03-15
    OF - Director → CIF 0
  • 8
    Trevarthen, Alan Geoffrey
    Director born in February 1959
    Individual
    Officer
    icon of calendar 2007-03-07 ~ 2021-02-26
    OF - Director → CIF 0
  • 9
    Moore, Stephen Richard
    Managing Director born in January 1950
    Individual
    Officer
    icon of calendar ~ 2007-03-31
    OF - Director → CIF 0
  • 10
    Naylor, Philip
    Corporate Secretary
    Individual (11 offsprings)
    Officer
    icon of calendar 2006-12-15 ~ 2015-02-13
    OF - Secretary → CIF 0
  • 11
    Di Maio, Matteo
    Director, Marine Technical Services born in March 1974
    Individual
    Officer
    icon of calendar 2017-03-15 ~ 2018-04-06
    OF - Director → CIF 0
  • 12
    Simmonds, Janet Kathleen
    Cs born in December 1943
    Individual
    Officer
    icon of calendar 1994-07-01 ~ 2004-04-30
    OF - Director → CIF 0
    Simmonds, Janet Kathleen
    Individual
    Officer
    icon of calendar ~ 2004-04-30
    OF - Secretary → CIF 0
  • 13
    icon of addressSuite 17 City Business Centre, Lower Road, London
    Dissolved Corporate (2 parents, 3 offsprings)
    Officer
    2004-04-30 ~ 2006-12-15
    PE - Secretary → CIF 0
parent relation
Company in focus

U.M.C. INTERNATIONAL PLC

Previous name
UNDERWATER MAINTENANCE COMPANY LIMITED - 1989-05-03
Standard Industrial Classification
52220 - Service Activities Incidental To Water Transportation

  • U.M.C. INTERNATIONAL PLC
    Info
    UNDERWATER MAINTENANCE COMPANY LIMITED - 1989-05-03
    Registered number 01069620
    icon of address1st Floor 63 Queen Victoria Street, London EC4N 4UA
    PUBLIC LIMITED COMPANY incorporated on 1972-09-04 and dissolved on 2021-07-20 (48 years 10 months). The company status is Dissolved.
    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.