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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 2
  • 1
    Scott, James Richard
    Individual (1 offspring)
    Officer
    icon of calendar 2016-03-31 ~ now
    OF - Secretary → CIF 0
  • 2
    Nunn, Steven David
    Born in August 1966
    Individual (1 offspring)
    Officer
    icon of calendar 2016-03-31 ~ now
    OF - Director → CIF 0
    Mr Steven David Nunn
    Born in August 1966
    Individual (1 offspring)
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    PE - Has significant influence or control → CIF 0
Ceased 63
  • 1
    Maruyama, Takesi
    Director & General Manager born in June 1939
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 2
    Bodo, Rudolf, Dr
    Systems Planning born in January 1931
    Individual
    Officer
    icon of calendar ~ 1993-03-16
    OF - Director → CIF 0
  • 3
    Claver, Scott
    Director Marketing born in March 1950
    Individual
    Officer
    icon of calendar 1993-01-13 ~ 1993-05-02
    OF - Director → CIF 0
  • 4
    Kiger, John
    Director born in June 1954
    Individual
    Officer
    icon of calendar 1996-01-22 ~ 1997-01-01
    OF - Director → CIF 0
  • 5
    Saranga, Myron
    Assistant General Manager born in October 1937
    Individual
    Officer
    icon of calendar ~ 1992-10-21
    OF - Director → CIF 0
  • 6
    Pinto, Lucio
    Executive Vice President born in October 1939
    Individual
    Officer
    icon of calendar ~ 1994-05-01
    OF - Director → CIF 0
  • 7
    Bismuth, Robert
    Manager born in February 1954
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 8
    Greenwell, Howard Ian
    Avp Business Dev`T For Compute born in June 1955
    Individual
    Officer
    icon of calendar 1996-01-01 ~ 1996-06-24
    OF - Director → CIF 0
  • 9
    Johnson, Glenn Bruce
    Engineering Management born in July 1951
    Individual
    Officer
    icon of calendar ~ 1997-01-01
    OF - Director → CIF 0
  • 10
    Taylor, Colin Billington
    Technical Strategy Manager born in December 1933
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 11
    Robert, Alain Francois
    Deputy Cio born in October 1942
    Individual
    Officer
    icon of calendar 1995-01-26 ~ 1997-01-01
    OF - Director → CIF 0
  • 12
    Fox, Sidney Kenneth
    Director born in June 1951
    Individual (5 offsprings)
    Officer
    icon of calendar 1993-06-16 ~ 1994-06-09
    OF - Director → CIF 0
  • 13
    Coleman, William Thomas
    Director born in October 1947
    Individual
    Officer
    icon of calendar ~ 1993-03-16
    OF - Director → CIF 0
  • 14
    Stahlecker, Walter
    Engineering Manager born in May 1944
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 15
    Egan, Robert David
    Marketing born in July 1957
    Individual
    Officer
    icon of calendar ~ 1993-06-16
    OF - Director → CIF 0
  • 16
    Zimmer, Rainer Bruno
    Manager born in October 1941
    Individual
    Officer
    icon of calendar 1993-03-16 ~ 1993-05-02
    OF - Director → CIF 0
    Zimmer, Rainer Bruno
    Manager Open Systems Consortia born in October 1941
    Individual
    icon of calendar 1994-12-05 ~ 1997-01-01
    OF - Director → CIF 0
  • 17
    Mcgovern, Donald Edwina
    Vice President born in July 1944
    Individual
    Officer
    icon of calendar 1994-06-09 ~ 1995-12-15
    OF - Director → CIF 0
  • 18
    Eisenman, William
    Vice President Products Division born in October 1946
    Individual
    Officer
    icon of calendar ~ 1992-07-15
    OF - Director → CIF 0
  • 19
    Bell, James Richard, Dr
    Director born in April 1942
    Individual
    Officer
    icon of calendar ~ 1997-01-01
    OF - Director → CIF 0
  • 20
    Narita, Hirokazu
    Manager born in December 1947
    Individual
    Officer
    icon of calendar 1994-12-21 ~ 1997-01-01
    OF - Director → CIF 0
  • 21
    Cunningham, Peter Ramage
    Director born in March 1957
    Individual (1 offspring)
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 22
    Defeo, Joseph
    Chief Executive Officer born in May 1947
    Individual
    Officer
    icon of calendar 1996-11-01 ~ 1998-09-30
    OF - Director → CIF 0
  • 23
    Phoenix, Christopher Jon
    Computer Systems Design Manage born in August 1947
    Individual (1 offspring)
    Officer
    icon of calendar 1994-06-09 ~ 1996-05-06
    OF - Director → CIF 0
  • 24
    Agostinucci, Franco
    Senior Vice President born in October 1940
    Individual
    Officer
    icon of calendar 1994-06-09 ~ 1995-01-01
    OF - Director → CIF 0
  • 25
    Kuriyama, Kozo
    General Manager born in September 1942
    Individual
    Officer
    icon of calendar ~ 1996-03-01
    OF - Director → CIF 0
  • 26
    Sears, Michael
    Marketing born in January 1956
    Individual
    Officer
    icon of calendar 1993-03-16 ~ 1993-05-02
    OF - Director → CIF 0
  • 27
    Sandel, David
    Director born in January 1947
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 28
    Hatta, Hiroshi
    Nec Corporation Vp born in May 1940
    Individual
    Officer
    icon of calendar 1996-03-01 ~ 1997-01-01
    OF - Director → CIF 0
  • 29
    Moore, Corinne Ann
    Marketing Manager born in August 1950
    Individual
    Officer
    icon of calendar 1992-10-21 ~ 1993-05-02
    OF - Director → CIF 0
  • 30
    Morris, Geoffrey Evan
    President & Ceo born in September 1943
    Individual (2 offsprings)
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 31
    Condry, Michael William
    Director born in June 1946
    Individual
    Officer
    icon of calendar 1995-07-01 ~ 1997-01-01
    OF - Director → CIF 0
  • 32
    Siegle, George G
    Director Of Ods Strategy born in July 1941
    Individual
    Officer
    icon of calendar 1993-07-22 ~ 1995-01-17
    OF - Director → CIF 0
  • 33
    Connabeer, Susan Karian Alexandra
    Individual
    Officer
    icon of calendar ~ 1993-07-01
    OF - Secretary → CIF 0
  • 34
    Collina, Gian Carlo
    Director born in September 1937
    Individual
    Officer
    icon of calendar ~ 1994-08-29
    OF - Director → CIF 0
  • 35
    Shinozuka, Katsumasa
    Director born in November 1940
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 36
    Nunn, Steven David
    Individual (1 offspring)
    Officer
    icon of calendar 1994-01-26 ~ 2016-03-31
    OF - Secretary → CIF 0
  • 37
    Nishigaki, Hideki
    Staff Manager born in March 1949
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 38
    Petersen, Jerry
    Vice President born in January 1940
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 39
    Bussmann, Mark
    Marketing Director born in February 1954
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 40
    Roberts, Andrew Henry
    Director Office Systems born in June 1952
    Individual (9 offsprings)
    Officer
    icon of calendar ~ 1993-06-16
    OF - Director → CIF 0
  • 41
    Bifano, Lucian
    Vp Business Development born in January 1944
    Individual
    Officer
    icon of calendar 1996-11-21 ~ 1997-01-01
    OF - Director → CIF 0
  • 42
    Caputi, Miquel Vicente
    Marketing Manager born in March 1936
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 43
    Taylor, Michael Alan
    Manager born in October 1947
    Individual
    Officer
    icon of calendar ~ 1993-01-13
    OF - Director → CIF 0
  • 44
    Brown, Denis
    Vp/Gm born in November 1937
    Individual
    Officer
    icon of calendar 1996-04-23 ~ 1997-01-01
    OF - Director → CIF 0
  • 45
    Billmaier, James
    Computer Marketing born in October 1955
    Individual
    Officer
    icon of calendar 1993-03-16 ~ 1994-05-16
    OF - Director → CIF 0
  • 46
    Kadowaki, Yoshihiko
    Employee Of Hitachi Limited born in February 1944
    Individual
    Officer
    icon of calendar 1994-07-28 ~ 1997-01-01
    OF - Director → CIF 0
  • 47
    Lomas, John Peter
    Director Open Systems born in March 1948
    Individual
    Officer
    icon of calendar ~ 1993-05-02
    OF - Director → CIF 0
  • 48
    Busch, Dennis Gene
    Software Development born in January 1950
    Individual
    Officer
    icon of calendar 1992-10-21 ~ 1993-05-02
    OF - Director → CIF 0
  • 49
    Gingell, Robert Arthur
    Chief Scientist born in December 1954
    Individual
    Officer
    icon of calendar 1994-06-01 ~ 1995-07-13
    OF - Director → CIF 0
  • 50
    Harris, Dale Alan
    Marketing Program Manager born in May 1945
    Individual
    Officer
    icon of calendar 1992-10-21 ~ 1993-07-30
    OF - Director → CIF 0
  • 51
    Shannon, Lewis
    Director born in October 1942
    Individual
    Officer
    icon of calendar ~ 1997-01-01
    OF - Director → CIF 0
  • 52
    Dulich, Volker
    Director born in April 1943
    Individual
    Officer
    icon of calendar ~ 1994-12-05
    OF - Director → CIF 0
  • 53
    Runnquist, Lars Fredrik
    Managing Director born in April 1947
    Individual
    Officer
    icon of calendar 1995-01-26 ~ 1996-06-03
    OF - Director → CIF 0
  • 54
    Warner, William
    Executive born in May 1944
    Individual
    Officer
    icon of calendar 1995-01-17 ~ 1995-09-15
    OF - Director → CIF 0
  • 55
    Noguchi, Kenichiro, Dr
    Born in October 1942
    Individual
    Officer
    icon of calendar ~ 1994-06-17
    OF - Director → CIF 0
  • 56
    Wilt, James
    Marketing born in December 1945
    Individual
    Officer
    icon of calendar 1995-01-26 ~ 1996-02-29
    OF - Director → CIF 0
  • 57
    Zollar, Alfred W
    Vice President System View born in May 1954
    Individual (1 offspring)
    Officer
    icon of calendar 1995-10-01 ~ 1996-11-15
    OF - Director → CIF 0
  • 58
    Brown, Allen Arthur
    Company Director born in November 1949
    Individual (1 offspring)
    Officer
    icon of calendar 1998-09-30 ~ 2016-03-31
    OF - Director → CIF 0
  • 59
    Abe, Seiji
    Manager Planning Dept born in August 1946
    Individual
    Officer
    icon of calendar ~ 1994-12-21
    OF - Director → CIF 0
  • 60
    Linton, Charles Reagan
    Manager born in November 1950
    Individual
    Officer
    icon of calendar ~ 1992-07-15
    OF - Director → CIF 0
  • 61
    Schell, Richard
    Director Open Products Marketing born in January 1947
    Individual
    Officer
    icon of calendar 1993-01-13 ~ 1993-06-16
    OF - Director → CIF 0
  • 62
    Payton, Clifford Coningsby
    Individual
    Officer
    icon of calendar ~ 1993-02-03
    OF - Secretary → CIF 0
  • 63
    Chevance, Rene Joseph
    Chief Scientist born in July 1943
    Individual
    Officer
    icon of calendar 1995-05-19 ~ 1995-12-31
    OF - Director → CIF 0
parent relation
Company in focus

THE OPEN GROUP LIMITED

Previous names
KIRKSTOCK LIMITED - 1987-06-24
X/OPEN COMPANY LIMITED - 2018-09-20
Standard Industrial Classification
62020 - Information Technology Consultancy Activities
  • THE OPEN GROUP LIMITED
    Info
    KIRKSTOCK LIMITED - 1987-06-24
    X/OPEN COMPANY LIMITED - 1987-06-24
    Registered number 02134862
    icon of addressApex Plaza, Forbury Road, Reading, Berkshire RG1 1AX
    PRIVATE LIMITED COMPANY incorporated on 1987-05-28 (38 years 6 months). The company status is Active.
    The last date of confirmation statement was made at 2025-05-02
    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.