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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 59
  • 1
    Vollaro, Mauro
    Wg Controller born in October 1969
    Individual (3 offsprings)
    Officer
    2016-12-01 ~ 2017-12-19
    OF - Director → CIF 0
  • 2
    Lawson, Gary
    Born in June 1974
    Individual (2 offsprings)
    Officer
    2019-06-11 ~ now
    OF - Director → CIF 0
  • 3
    El Sayed, Salem Ahmed Lotfi
    Vice President born in March 1962
    Individual (1 offspring)
    Officer
    2002-05-01 ~ 2003-05-06
    OF - Director → CIF 0
  • 4
    Hooijkaas, Carel Willem Jan
    Marine Manager born in November 1967
    Individual (2 offsprings)
    Officer
    2005-05-27 ~ 2010-07-19
    OF - Director → CIF 0
  • 5
    Davey, Philip George
    Eaf & Eastern Hemisphere Multiclient Manager born in April 1967
    Individual (1 offspring)
    Officer
    2016-02-01 ~ 2020-09-30
    OF - Director → CIF 0
  • 6
    Cheshire, Ian Robert
    Director born in April 1940
    Individual (5 offsprings)
    Officer
    1992-11-24 ~ 1999-07-01
    OF - Director → CIF 0
  • 7
    Ray, Neil
    Individual (64 offsprings)
    Officer
    1995-03-16 ~ 2009-05-01
    OF - Secretary → CIF 0
  • 8
    O'neill, Emilie Marie Nathalie
    Born in December 1977
    Individual (1 offspring)
    Officer
    2020-09-21 ~ now
    OF - Director → CIF 0
  • 9
    Fahnudi, Dicky Miko
    D&I Eur Manager born in May 1975
    Individual (1 offspring)
    Officer
    2022-04-19 ~ 2025-05-29
    OF - Director → CIF 0
  • 10
    Bentham, Gordon Michael
    Accountant born in May 1962
    Individual (14 offsprings)
    Officer
    2006-06-06 ~ 2008-05-01
    OF - Director → CIF 0
  • 11
    White, Simon Meredith
    Financial Controller born in June 1957
    Individual (15 offsprings)
    Officer
    2008-05-01 ~ 2011-11-01
    OF - Director → CIF 0
  • 12
    Wilson, Gary Michael
    Individual (1 offspring)
    Officer
    2001-08-09 ~ 2004-05-28
    OF - Secretary → CIF 0
  • 13
    Yearwood, John Antony Paul
    Finance Director born in September 1959
    Individual (1 offspring)
    Officer
    2003-05-06 ~ 2004-03-05
    OF - Director → CIF 0
  • 14
    Nikolaysen, Terje
    Vp Marine born in February 1952
    Individual (3 offsprings)
    Officer
    2000-01-10 ~ 2000-11-30
    OF - Director → CIF 0
  • 15
    Keeley, Peter Lawrence
    Born in January 1960
    Individual (5 offsprings)
    Officer
    1996-02-29 ~ 1997-04-25
    OF - Director → CIF 0
    Keeley, Peter Lawrence
    Individual (5 offsprings)
    Officer
    ~ 1996-09-09
    OF - Secretary → CIF 0
  • 16
    Fox, Christian Frederic
    Vice President Land born in May 1959
    Individual (2 offsprings)
    Officer
    2001-06-01 ~ 2002-05-01
    OF - Director → CIF 0
  • 17
    Achmaoui, Mohamed
    Controller, Treasury & Tax born in October 1973
    Individual (1 offspring)
    Officer
    2017-12-19 ~ 2018-09-15
    OF - Director → CIF 0
  • 18
    Deal, Kevin John
    Global Marine Sales Manager born in December 1957
    Individual (1 offspring)
    Officer
    2015-01-14 ~ 2016-02-01
    OF - Director → CIF 0
  • 19
    Maestroni, Francesca Jacqueline
    Individual (1 offspring)
    Officer
    2005-02-01 ~ 2008-09-01
    OF - Secretary → CIF 0
  • 20
    Branston, Julie Margaret
    Region Manager born in June 1976
    Individual (2 offsprings)
    Officer
    2018-06-27 ~ 2020-09-21
    OF - Director → CIF 0
  • 21
    Leong, Ng Kim
    Accountant born in October 1968
    Individual (3 offsprings)
    Officer
    2013-06-01 ~ 2014-06-09
    OF - Director → CIF 0
  • 22
    Johansson, Jan Erik
    Director born in October 1955
    Individual (1 offspring)
    Officer
    1990-09-07 ~ 1994-07-28
    OF - Director → CIF 0
  • 23
    Legh-smith, Patrick
    Vice President born in June 1967
    Individual (2 offsprings)
    Officer
    2016-02-01 ~ 2018-06-27
    OF - Director → CIF 0
  • 24
    Bauer, Jean-francois
    Legal Counsel
    Individual (1 offspring)
    Officer
    1996-09-09 ~ 1998-11-13
    OF - Secretary → CIF 0
  • 25
    Rasmuson, Michael Allan
    Solicitor born in August 1971
    Individual (45 offsprings)
    Officer
    2004-05-31 ~ 2006-03-30
    OF - Director → CIF 0
  • 26
    Cole, Brett
    Individual (2 offsprings)
    Officer
    2001-08-01 ~ 2003-05-06
    OF - Secretary → CIF 0
  • 27
    Sinclair, Gavin
    Solicitor born in May 1952
    Individual (39 offsprings)
    Officer
    2000-11-30 ~ 2004-05-31
    OF - Director → CIF 0
  • 28
    Smoker, Simon
    Individual (82 offsprings)
    Officer
    2016-01-01 ~ 2020-05-29
    OF - Secretary → CIF 0
  • 29
    Fenwick, Christian Dominic Gordon
    Manager born in September 1960
    Individual (3 offsprings)
    Officer
    1992-12-10 ~ 1993-09-01
    OF - Director → CIF 0
  • 30
    Shivram, Krishna
    Financial Director born in October 1962
    Individual (2 offsprings)
    Officer
    2004-03-05 ~ 2006-07-21
    OF - Director → CIF 0
  • 31
    Girard, Stephane Georges
    Accountant born in June 1961
    Individual (1 offspring)
    Officer
    2006-07-31 ~ 2011-03-07
    OF - Director → CIF 0
  • 32
    Millet, Francis
    Financial Controller born in May 1961
    Individual (1 offspring)
    Officer
    1999-08-30 ~ 2000-09-22
    OF - Director → CIF 0
  • 33
    Ganz, John Marcus
    Manager born in August 1960
    Individual (1 offspring)
    Officer
    2002-05-01 ~ 2003-05-06
    OF - Director → CIF 0
  • 34
    Ceha, Julian Matthias
    Company Director born in September 1962
    Individual (2 offsprings)
    Officer
    2000-11-30 ~ 2001-06-01
    OF - Director → CIF 0
  • 35
    Zhu, Ming
    Born in February 1980
    Individual (1 offspring)
    Officer
    2025-05-29 ~ now
    OF - Director → CIF 0
  • 36
    Close, John Eric
    Director born in August 1948
    Individual (1 offspring)
    Officer
    1996-02-29 ~ 2000-11-30
    OF - Director → CIF 0
  • 37
    Villard, Robert Angel Ferdinand
    Lawyer
    Individual (1 offspring)
    Officer
    1998-11-13 ~ 2000-06-29
    OF - Secretary → CIF 0
  • 38
    Golding, Michael Harold Benjamin
    Company Director born in August 1943
    Individual (3 offsprings)
    Officer
    2000-11-30 ~ 2002-05-01
    OF - Director → CIF 0
  • 39
    Seabrook, David Mark
    Vice President born in January 1971
    Individual (1 offspring)
    Officer
    2016-02-01 ~ 2018-08-01
    OF - Director → CIF 0
  • 40
    Ratcliffe, Pennelope Susan
    Engineer/Operations Manager born in July 1976
    Individual (2 offsprings)
    Officer
    2010-07-19 ~ 2013-09-15
    OF - Director → CIF 0
  • 41
    Higgins, Mark Roman
    Individual (52 offsprings)
    Officer
    2020-05-29 ~ 2021-07-30
    OF - Secretary → CIF 0
  • 42
    Page, Joseph Layman
    Individual (1 offspring)
    Officer
    2000-06-29 ~ 2002-09-10
    OF - Secretary → CIF 0
  • 43
    Bremner, Gary
    Accountant born in March 1973
    Individual (2 offsprings)
    Officer
    2014-06-09 ~ 2017-05-02
    OF - Director → CIF 0
  • 44
    Karlsson, Tore Verner
    Company Director born in June 1953
    Individual (5 offsprings)
    Officer
    ~ 1999-07-01
    OF - Director → CIF 0
  • 45
    Kjellesvik, Svein Helge
    President Operations born in October 1949
    Individual (4 offsprings)
    Officer
    ~ 2000-01-10
    OF - Director → CIF 0
  • 46
    Asquith, Christopher
    Tax Manager born in October 1955
    Individual (47 offsprings)
    Officer
    2006-03-31 ~ 2006-04-28
    OF - Director → CIF 0
  • 47
    Mackewn, Anthony Ross
    Manager born in August 1947
    Individual (12 offsprings)
    Officer
    1992-12-10 ~ 1993-08-02
    OF - Director → CIF 0
  • 48
    Wall, Philip Malcolm
    Controller born in May 1958
    Individual (20 offsprings)
    Officer
    1998-11-13 ~ 1999-08-30
    OF - Director → CIF 0
  • 49
    Tooteja, Rajeev
    Wg Vp Marine born in March 1966
    Individual (2 offsprings)
    Officer
    2011-03-07 ~ 2016-02-01
    OF - Director → CIF 0
  • 50
    Ilori, Olayinka Michael
    Individual (1 offspring)
    Officer
    2008-09-01 ~ 2011-09-01
    OF - Secretary → CIF 0
  • 51
    Droy Moore, Pauline
    Individual (69 offsprings)
    Officer
    2005-02-01 ~ 2015-12-31
    OF - Secretary → CIF 0
  • 52
    Ruscev, Mario
    President born in October 1956
    Individual (3 offsprings)
    Officer
    1999-07-01 ~ 2000-11-30
    OF - Director → CIF 0
  • 53
    Gaudier, Dale
    Lawyer born in March 1952
    Individual (1 offspring)
    Officer
    1997-04-25 ~ 1998-11-13
    OF - Director → CIF 0
  • 54
    Romanis, Pamela Margaret
    Accountant born in September 1974
    Individual (3 offsprings)
    Officer
    2011-11-01 ~ 2013-09-15
    OF - Director → CIF 0
  • 55
    Al Madani, Samer
    Accountant born in November 1963
    Individual (1 offspring)
    Officer
    2013-09-15 ~ 2016-10-21
    OF - Director → CIF 0
  • 56
    Juden, Alexander Cooley
    Individual (1 offspring)
    Officer
    2002-09-10 ~ 2005-02-01
    OF - Secretary → CIF 0
  • 57
    Larsen, Leif Roger
    Marine Manager born in September 1959
    Individual (1 offspring)
    Officer
    2003-05-06 ~ 2005-05-27
    OF - Director → CIF 0
  • 58
    Bristow, James Francis
    D&I Eur Manager born in March 1967
    Individual (1 offspring)
    Officer
    2020-09-30 ~ 2022-01-01
    OF - Director → CIF 0
  • 59
    SCHLUMBERGER OILFIELD UK LIMITED
    - now 04157867 NF004024
    SCHLUMBERGER OILFIELD UK PLC - 2022-01-05 04157867 NF004024
    SCHLUMBERGER OILFIELD SERVICES UK LIMITED - 2005-01-06
    SCHLUMBERGER INVESTMENTS LIMITED - 2004-11-30
    Minerva, Manor Royal, Crawley, United Kingdom
    Active Corporate (58 parents, 25 offsprings)
    Person with significant control
    2016-04-06 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
parent relation
Company in focus

WESTERNGECO LIMITED

Period: 2001-01-31 ~ now
Company number: 01389716
Registered names
WESTERNGECO LIMITED - now
GECO U.K. LIMITED - 1988-03-01
Standard Industrial Classification
09100 - Support Activities For Petroleum And Natural Gas Mining
96090 - Other Service Activities N.e.c.

Related profiles found in government register
  • WESTERNGECO LIMITED
    Info
    GECO-PRAKLA (U.K.) LIMITED - 2001-01-31
    GECO GEOPHYSICAL COMPANY LIMITED - 2001-01-31
    GECO U.K. LIMITED - 2001-01-31
    GEOPHYSICAL COMPANY OF NORWAY (U.K.) LIMITED - 2001-01-31
    Registered number 01389716
    Minerva, Manor Royal, Crawley RH10 9BU
    PRIVATE LIMITED COMPANY incorporated on 1978-09-19 (47 years 6 months). The company status is Active.
    The last date of confirmation statement was made at 2025-07-01
    CIF 0
  • WESTERNGECO LIMITED
    S
    Registered number 01389716
    Schlumberger House, Buckingham Gate, Gatwick Airport, West Sussex, United Kingdom, RH6 0NZ
    Limited By Shares in Companies House, England
    CIF 1
child relation
Offspring entities and appointments 1
  • 1
    REFLECTION MARINE UK LIMITED
    11347635
    2 City Place, Beehive Ring Road, Gatwick, West Sussex
    Active Corporate (8 parents)
    Person with significant control
    2018-05-04 ~ 2018-11-07
    CIF 1 - Right to appoint or remove directors OE
    CIF 1 - Ownership of shares – 75% or more OE
    CIF 1 - Ownership of voting rights - 75% or more OE

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.