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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 15
  • 1
    Roberts, Sian Philippa
    Administrator born in September 1954
    Individual (4 offsprings)
    Officer
    1994-02-10 ~ 1997-03-07
    OF - Director → CIF 0
    Roberts, Sian Philippa
    Administrator
    Individual (4 offsprings)
    Officer
    1994-02-10 ~ 1997-03-07
    OF - Secretary → CIF 0
  • 2
    Atkinson, Robert Charles
    Director born in August 1954
    Individual (2 offsprings)
    Officer
    2000-09-07 ~ 2012-08-14
    OF - Director → CIF 0
    Atkinson, Robert Charles
    Director
    Individual (2 offsprings)
    Officer
    2000-09-07 ~ 2001-03-26
    OF - Secretary → CIF 0
  • 3
    Dempsey, Bryan Robert
    Director born in May 1969
    Individual (11 offsprings)
    Officer
    2012-12-18 ~ 2013-12-31
    OF - Director → CIF 0
    Dempsey, Bryan Robert
    Individual (11 offsprings)
    Officer
    2012-12-18 ~ 2013-12-31
    OF - Secretary → CIF 0
  • 4
    Thompson, Mark
    Individual (128 offsprings)
    Officer
    2001-03-26 ~ 2012-12-18
    OF - Secretary → CIF 0
  • 5
    Trommestad, Kjell Erling
    Vp & General Director Ev born in June 1954
    Individual (2 offsprings)
    Officer
    2001-03-08 ~ 2012-12-18
    OF - Director → CIF 0
  • 6
    Helland, Arne
    Cfo born in September 1956
    Individual (2 offsprings)
    Officer
    1999-10-01 ~ 2010-06-30
    OF - Director → CIF 0
  • 7
    Roberts, Glyn Foster
    Geophysicist born in April 1953
    Individual (14 offsprings)
    Officer
    1994-02-10 ~ 2000-09-07
    OF - Director → CIF 0
    Roberts, Glyn Foster
    Geophysicist
    Individual (14 offsprings)
    Officer
    1997-03-07 ~ 2000-09-07
    OF - Secretary → CIF 0
  • 8
    Ashby, William James Charles
    Executive born in December 1975
    Individual (17 offsprings)
    Officer
    2022-03-23 ~ now
    OF - Director → CIF 0
  • 9
    Christoffersen, Trond Einar
    Gen Mgr born in January 1956
    Individual (5 offsprings)
    Officer
    1998-04-16 ~ 1999-12-30
    OF - Director → CIF 0
  • 10
    Aaser, Christian Dahl, Mr.
    Lawyer born in February 1982
    Individual (13 offsprings)
    Officer
    2016-10-10 ~ now
    OF - Director → CIF 0
  • 11
    Herwanger, Tanya Flor
    Businesswoman born in May 1973
    Individual (7 offsprings)
    Officer
    2016-10-10 ~ 2022-03-23
    OF - Director → CIF 0
  • 12
    Finstad, Kjell Gunnar
    Consultant born in October 1939
    Individual (7 offsprings)
    Officer
    1994-02-18 ~ 1999-12-30
    OF - Director → CIF 0
  • 13
    Johansen, Kristian Kuvaas
    Director born in October 1971
    Individual (4 offsprings)
    Officer
    2012-12-18 ~ 2016-10-13
    OF - Director → CIF 0
  • 14
    FIRST SECRETARIES LIMITED
    02414739
    72 New Bond Street, London
    Dissolved Corporate (9 parents, 6573 offsprings)
    Officer
    1994-02-10 ~ 1994-02-10
    OF - Nominee Secretary → CIF 0
  • 15
    Askekroken 11, Askekroken 11, Oslo, 0277, Norway
    Corporate (8 offsprings)
    Person with significant control
    2016-04-06 ~ dissolved
    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

TGS-NOPEC GEOPHYSICAL COMPANY (UK) LIMITED

Period: 2000-12-29 ~ 2022-05-03
Company number: 02896729
Registered names
TGS-NOPEC GEOPHYSICAL COMPANY (UK) LIMITED - Dissolved
TGS NOPEC (UK) LTD - 2000-12-29
GEOVENTURES LIMITED - 1996-09-10
Standard Industrial Classification
74990 - Non-trading Company

  • TGS-NOPEC GEOPHYSICAL COMPANY (UK) LIMITED
    Info
    TGS NOPEC (UK) LTD - 2000-12-29
    NOPEC GEOVENTURES INTERNATIONAL LTD - 2000-12-29
    GEOVENTURES LIMITED - 2000-12-29
    Registered number 02896729
    Dukes Court, Duke Street, Woking GU21 5BH
    PRIVATE LIMITED COMPANY incorporated on 1994-02-10 and dissolved on 2022-05-03 (28 years 2 months). The status of the company number is Dissolved.
    CIF 0
child relation
Offspring entities and appointments 0
  • Not found in our database.

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.