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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
    Yearwood, John Antony Paul
    Born in September 1959
    Individual (1 offspring)
    Officer
    2003-05-06 ~ 2004-03-05
    OF - Director → CIF 0
  • 2
    Asquith, Christopher
    Born in October 1955
    Individual (48 offsprings)
    Officer
    2006-03-31 ~ 2006-04-28
    OF - Director → CIF 0
  • 3
    Millet, Francis
    Born in May 1961
    Individual (1 offspring)
    Officer
    1999-08-30 ~ 2000-09-22
    OF - Director → CIF 0
  • 4
    Droy Moore, Pauline
    Individual (80 offsprings)
    Officer
    2005-02-01 ~ 2015-12-31
    OF - Secretary → CIF 0
  • 5
    Ray, Neil
    Individual (77 offsprings)
    Officer
    1995-03-16 ~ 2009-05-01
    OF - Secretary → CIF 0
  • 6
    Higgins, Mark Roman
    Individual (52 offsprings)
    Officer
    2020-05-29 ~ 2021-07-30
    OF - Secretary → CIF 0
  • 7
    Page, Joseph Layman
    Individual (1 offspring)
    Officer
    2000-06-29 ~ 2002-09-10
    OF - Secretary → CIF 0
  • 8
    Kjellesvik, Svein Helge
    Born in October 1949
    Individual (5 offsprings)
    Officer
    (before 1992-07-28) ~ 2000-01-10
    OF - Director → CIF 0
  • 9
    Nikolaysen, Terje
    Born in February 1952
    Individual (3 offsprings)
    Officer
    2000-01-10 ~ 2000-11-30
    OF - Director → CIF 0
  • 10
    Wilson, Gary Michael
    Individual (1 offspring)
    Officer
    2001-08-09 ~ 2004-05-28
    OF - Secretary → CIF 0
  • 11
    Bentham, Gordon Michael
    Born in May 1962
    Individual (15 offsprings)
    Officer
    2006-06-06 ~ 2008-05-01
    OF - Director → CIF 0
  • 12
    Romanis, Pamela Margaret
    Born in September 1974
    Individual (3 offsprings)
    Officer
    2011-11-01 ~ 2013-09-15
    OF - Director → CIF 0
  • 13
    Bristow, James Francis
    Born in March 1967
    Individual (1 offspring)
    Officer
    2020-09-30 ~ 2022-01-01
    OF - Director → CIF 0
  • 14
    Cole, Brett
    Individual (2 offsprings)
    Officer
    2001-08-01 ~ 2003-05-06
    OF - Secretary → CIF 0
  • 15
    Davey, Philip George
    Born in April 1967
    Individual (1 offspring)
    Officer
    2016-02-01 ~ 2020-09-30
    OF - Director → CIF 0
  • 16
    Shivram, Krishna
    Born in October 1962
    Individual (2 offsprings)
    Officer
    2004-03-05 ~ 2006-07-21
    OF - Director → CIF 0
  • 17
    Vollaro, Mauro
    Born in October 1969
    Individual (3 offsprings)
    Officer
    2016-12-01 ~ 2017-12-19
    OF - Director → CIF 0
  • 18
    Achmaoui, Mohamed
    Born in October 1973
    Individual (1 offspring)
    Officer
    2017-12-19 ~ 2018-09-15
    OF - Director → CIF 0
  • 19
    Lawson, Gary
    Born in June 1974
    Individual (2 offsprings)
    Officer
    2019-06-11 ~ now
    OF - Director → CIF 0
  • 20
    Legh-smith, Patrick
    Born in June 1967
    Individual (2 offsprings)
    Officer
    2016-02-01 ~ 2018-06-27
    OF - Director → CIF 0
  • 21
    Al Madani, Samer
    Born in November 1963
    Individual (2 offsprings)
    Officer
    2013-09-15 ~ 2016-10-21
    OF - Director → CIF 0
  • 22
    Wall, Philip Malcolm
    Born in May 1958
    Individual (25 offsprings)
    Officer
    1998-11-13 ~ 1999-08-30
    OF - Director → CIF 0
  • 23
    Tooteja, Rajeev
    Born in March 1966
    Individual (2 offsprings)
    Officer
    2011-03-07 ~ 2016-02-01
    OF - Director → CIF 0
  • 24
    Ratcliffe, Pennelope Susan
    Born in July 1976
    Individual (2 offsprings)
    Officer
    2010-07-19 ~ 2013-09-15
    OF - Director → CIF 0
  • 25
    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
    (before 1992-07-28) ~ 1996-09-09
    OF - Secretary → CIF 0
  • 26
    Deal, Kevin John
    Born in December 1957
    Individual (1 offspring)
    Officer
    2015-01-14 ~ 2016-02-01
    OF - Director → CIF 0
  • 27
    Bauer, Jean-francois
    Individual (1 offspring)
    Officer
    1996-09-09 ~ 1998-11-13
    OF - Secretary → CIF 0
  • 28
    Smoker, Simon
    Individual (91 offsprings)
    Officer
    2016-01-01 ~ 2020-05-29
    OF - Secretary → CIF 0
  • 29
    Fenwick, Christian Dominic Gordon
    Born in September 1960
    Individual (3 offsprings)
    Officer
    1992-12-10 ~ 1993-09-01
    OF - Director → CIF 0
  • 30
    Larsen, Leif Roger
    Born in September 1959
    Individual (1 offspring)
    Officer
    2003-05-06 ~ 2005-05-27
    OF - Director → CIF 0
  • 31
    Golding, Michael Harold Benjamin
    Born in August 1943
    Individual (4 offsprings)
    Officer
    2000-11-30 ~ 2002-05-01
    OF - Director → CIF 0
  • 32
    Fox, Christian Frederic
    Born in May 1959
    Individual (2 offsprings)
    Officer
    2001-06-01 ~ 2002-05-01
    OF - Director → CIF 0
  • 33
    Gaudier, Dale
    Born in March 1952
    Individual (1 offspring)
    Officer
    1997-04-25 ~ 1998-11-13
    OF - Director → CIF 0
  • 34
    Zhu, Ming
    Born in February 1980
    Individual (1 offspring)
    Officer
    2025-05-29 ~ now
    OF - Director → CIF 0
  • 35
    Mackewn, Anthony Ross
    Born in August 1947
    Individual (12 offsprings)
    Officer
    1992-12-10 ~ 1993-08-02
    OF - Director → CIF 0
  • 36
    White, Simon Meredith
    Born in June 1957
    Individual (15 offsprings)
    Officer
    2008-05-01 ~ 2011-11-01
    OF - Director → CIF 0
  • 37
    Ganz, John Marcus
    Born in August 1960
    Individual (1 offspring)
    Officer
    2002-05-01 ~ 2003-05-06
    OF - Director → CIF 0
  • 38
    Juden, Alexander Cooley
    Individual (1 offspring)
    Officer
    2002-09-10 ~ 2005-02-01
    OF - Secretary → CIF 0
  • 39
    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
  • 40
    Rasmuson, Michael Allan
    Born in August 1971
    Individual (45 offsprings)
    Officer
    2004-05-31 ~ 2006-03-30
    OF - Director → CIF 0
  • 41
    Seabrook, David Mark
    Born in January 1971
    Individual (1 offspring)
    Officer
    2016-02-01 ~ 2018-08-01
    OF - Director → CIF 0
  • 42
    Hooijkaas, Carel Willem Jan
    Born in November 1967
    Individual (2 offsprings)
    Officer
    2005-05-27 ~ 2010-07-19
    OF - Director → CIF 0
  • 43
    Close, John Eric
    Born in August 1948
    Individual (1 offspring)
    Officer
    1996-02-29 ~ 2000-11-30
    OF - Director → CIF 0
  • 44
    O'neill, Emilie Marie Nathalie
    Born in December 1977
    Individual (1 offspring)
    Officer
    2020-09-21 ~ now
    OF - Director → CIF 0
  • 45
    Sinclair, Gavin
    Born in May 1952
    Individual (40 offsprings)
    Officer
    2000-11-30 ~ 2004-05-31
    OF - Director → CIF 0
  • 46
    Girard, Stephane Georges
    Born in June 1961
    Individual (1 offspring)
    Officer
    2006-07-31 ~ 2011-03-07
    OF - Director → CIF 0
  • 47
    Branston, Julie Margaret
    Born in June 1976
    Individual (2 offsprings)
    Officer
    2018-06-27 ~ 2020-09-21
    OF - Director → CIF 0
  • 48
    Ilori, Olayinka Michael
    Individual (1 offspring)
    Officer
    2008-09-01 ~ 2011-09-01
    OF - Secretary → CIF 0
  • 49
    Ruscev, Mario
    Born in October 1956
    Individual (3 offsprings)
    Officer
    1999-07-01 ~ 2000-11-30
    OF - Director → CIF 0
  • 50
    Leong, Ng Kim
    Born in October 1968
    Individual (3 offsprings)
    Officer
    2013-06-01 ~ 2014-06-09
    OF - Director → CIF 0
  • 51
    Maestroni, Francesca Jacqueline
    Individual (1 offspring)
    Officer
    2005-02-01 ~ 2008-09-01
    OF - Secretary → CIF 0
  • 52
    Ceha, Julian Matthias
    Born in September 1962
    Individual (2 offsprings)
    Officer
    2000-11-30 ~ 2001-06-01
    OF - Director → CIF 0
  • 53
    Cheshire, Ian Robert
    Born in April 1940
    Individual (6 offsprings)
    Officer
    1992-11-24 ~ 1999-07-01
    OF - Director → CIF 0
  • 54
    Johansson, Jan Erik
    Born in October 1955
    Individual (1 offspring)
    Officer
    1990-09-07 ~ 1994-07-28
    OF - Director → CIF 0
  • 55
    El Sayed, Salem Ahmed Lotfi
    Born in March 1962
    Individual (1 offspring)
    Officer
    2002-05-01 ~ 2003-05-06
    OF - Director → CIF 0
  • 56
    Karlsson, Tore Verner
    Born in June 1953
    Individual (5 offsprings)
    Officer
    (before 1992-07-28) ~ 1999-07-01
    OF - Director → CIF 0
  • 57
    Villard, Robert Angel Ferdinand
    Individual (1 offspring)
    Officer
    1998-11-13 ~ 2000-06-29
    OF - Secretary → CIF 0
  • 58
    Bremner, Gary
    Born in March 1973
    Individual (2 offsprings)
    Officer
    2014-06-09 ~ 2017-05-02
    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 PLC - 2005-01-07
    SCHLUMBERGER OILFIELD SERVICES UK LIMITED - 2005-01-06
    SCHLUMBERGER INVESTMENTS LIMITED - 2004-11-30
    Minerva, Manor Royal, Crawley, United Kingdom
    Active Corporate (60 parents, 27 offsprings)
    Person with significant control
    2016-04-06 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
    PE - Right to appoint or remove directorsCIF 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 10 months). The status of the company number 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 - Ownership of shares – 75% or more OE
    CIF 1 - Ownership of voting rights - 75% or more OE
    CIF 1 - Right to appoint or remove directors OE

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