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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 23
  • 1
    Duncan, Stephen Richard, Dr
    Engineering Consultant born in July 1959
    Individual (1 offspring)
    Officer
    ~ 1993-01-21
    OF - Director → CIF 0
    Duncan, Stephen Richard, Dr
    Individual (1 offspring)
    Officer
    ~ 1993-01-21
    OF - Secretary → CIF 0
  • 2
    Bryant, Greyham
    University Professor born in June 1931
    Individual (1 offspring)
    Officer
    ~ 1999-12-21
    OF - Director → CIF 0
  • 3
    Schilizzi, John
    Individual (28 offsprings)
    Officer
    2023-11-20 ~ now
    OF - Secretary → CIF 0
  • 4
    Korby, Mark Douglas
    Consulting Manager born in December 1963
    Individual (1 offspring)
    Officer
    2005-03-02 ~ 2006-04-05
    OF - Director → CIF 0
  • 5
    Sedgwick, Richard
    Chartered Accountant born in June 1959
    Individual (4 offsprings)
    Officer
    2006-04-07 ~ 2018-10-12
    OF - Director → CIF 0
    Sedgwick, Richard
    Chartered Accountant
    Individual (4 offsprings)
    Officer
    2006-03-03 ~ 2018-10-12
    OF - Secretary → CIF 0
  • 6
    Goulimis, Constantine Nicholas, Dr
    Engineering Consultant born in April 1958
    Individual (11 offsprings)
    Officer
    (before 1992-09-28) ~ 2019-11-30
    OF - Director → CIF 0
    Dr Constantine Nicholas Goulimis
    Born in April 1958
    Individual (11 offsprings)
    Person with significant control
    2016-05-06 ~ 2018-10-12
    PE - Ownership of voting rights - More than 50% but less than 75%CIF 0
    PE - Ownership of shares – More than 50% but less than 75%CIF 0
  • 7
    Cheesbrough, Alan Roy
    Software Engineer born in August 1968
    Individual (5 offsprings)
    Officer
    2000-11-30 ~ 2006-04-05
    OF - Director → CIF 0
  • 8
    Durrey, Helene Jeanne Marie
    Director born in August 1956
    Individual (1 offspring)
    Officer
    1997-02-28 ~ 1997-08-29
    OF - Director → CIF 0
  • 9
    Shires, Simon Nicholas
    Accountant born in November 1954
    Individual (14 offsprings)
    Officer
    1999-05-19 ~ 1999-12-02
    OF - Director → CIF 0
    Shires, Simon Nicholas
    Individual (14 offsprings)
    Officer
    1999-05-19 ~ 1999-12-02
    OF - Secretary → CIF 0
  • 10
    Ramanan, Harshavardhan
    Born in September 1976
    Individual (24 offsprings)
    Officer
    2026-02-12 ~ now
    OF - Director → CIF 0
  • 11
    Guyader, Thierry
    Company Director born in July 1964
    Individual (2 offsprings)
    Officer
    2000-01-14 ~ 2006-04-05
    OF - Director → CIF 0
  • 12
    Redding, Peter James
    Director born in April 1964
    Individual (12 offsprings)
    Officer
    2018-10-12 ~ 2022-09-01
    OF - Director → CIF 0
  • 13
    Withers, Thomas James
    Born in February 1975
    Individual (16 offsprings)
    Officer
    2026-02-12 ~ now
    OF - Director → CIF 0
  • 14
    Kinghorn, Deborah
    Individual (1 offspring)
    Officer
    2005-06-01 ~ 2006-03-03
    OF - Secretary → CIF 0
  • 15
    Nguyen, Tho Thi Hoai
    Individual (1 offspring)
    Officer
    2000-01-04 ~ 2005-03-25
    OF - Secretary → CIF 0
  • 16
    Dimitriadis, Alexander George
    Engineering Consultant born in March 1956
    Individual (1 offspring)
    Officer
    ~ 1999-05-18
    OF - Director → CIF 0
    Dimitriadis, Alexander George
    Individual (1 offspring)
    Officer
    1993-01-21 ~ 1999-05-18
    OF - Secretary → CIF 0
  • 17
    Fallowfield Cooper, Piers
    Executive Chairman born in February 1953
    Individual (2 offsprings)
    Officer
    2006-01-17 ~ 2018-10-12
    OF - Director → CIF 0
  • 18
    Baptie, Thomas Andrew
    Born in April 1984
    Individual (46 offsprings)
    Officer
    2022-04-29 ~ 2025-12-29
    OF - Director → CIF 0
    Baptie, Thomas
    Individual (46 offsprings)
    Officer
    2018-10-12 ~ 2023-11-20
    OF - Secretary → CIF 0
  • 19
    Saklad, Scott Ryan
    Director born in May 1972
    Individual (70 offsprings)
    Officer
    2018-10-12 ~ 2022-04-29
    OF - Director → CIF 0
  • 20
    Clancy, Richard
    Born in July 1973
    Individual (71 offsprings)
    Officer
    2018-10-12 ~ now
    OF - Director → CIF 0
  • 21
    Bunster Echenique, Diego Jose
    Born in November 1983
    Individual (27 offsprings)
    Officer
    2025-05-01 ~ now
    OF - Director → CIF 0
  • 22
    VESTA SOFTWARE GROUP LIMITED
    - now 08242670
    MCR ENTERPRISE SOLUTIONS LIMITED - 2021-12-22
    ENSCO 958 LIMITED - 2012-11-12
    Stables 1, Howbery Park, Wallingford, Oxon, United Kingdom
    Active Corporate (12 parents, 23 offsprings)
    Person with significant control
    2025-01-01 ~ now
    PE - Ownership of voting rights - 75% or moreCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Right to appoint or remove directorsCIF 0
  • 23
    JONAS COMPUTING (UK) LIMITED
    - now 05301607
    RIDGEBOOK LIMITED - 2004-12-13
    Gladstone House, Hithercroft Road, Wallingford, United Kingdom
    Active Corporate (20 parents, 49 offsprings)
    Person with significant control
    2018-10-12 ~ 2025-01-01
    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
parent relation
Company in focus

GREYCON LIMITED

Period: 1994-08-23 ~ now
Company number: 01861647
Registered names
GREYCON LIMITED - now
GREYCON LIMITED - 1985-02-01
NULLHIGH LIMITED - 1984-12-07
Standard Industrial Classification
62012 - Business And Domestic Software Development

  • GREYCON LIMITED
    Info
    GREYCON CONSULTANTS LIMITED - 1994-08-23
    GREYCON LIMITED - 1994-08-23
    NULLHIGH LIMITED - 1994-08-23
    Registered number 01861647
    Stables 1 Howbery Park, Wallingford, Oxon OX10 8BA
    PRIVATE LIMITED COMPANY incorporated on 1984-11-07 (41 years 6 months). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-09-26
    CIF 0
child relation
Offspring entities and appointments 0
  • Not found in our database.

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.