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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals 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
Inapplicable
parent relation
Individuals in focus

Grehan, Keith William

    Related profiles found in government register
  • Grehan, Keith William
    Irish born in August 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 20-22, Wenlock Road, London, N1 7GU, England

      IIF 1

    • 3 Coldbath Square, London, EC1R 5HL, United Kingdom

      IIF 2

    • 30, St. Mary Axe, London, EC3A 8EP, England

      IIF 3

    • 30, St. Mary Axe, London, EC3A 8EP, United Kingdom

      IIF 4
  • Grehan, Keith William
    Irish director born in August 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 20-22, Wenlock Road, London, N1 7GU, England

      IIF 5

    • 26th, Floor, 30 St Mary Axe, London, EC3A 8EP, England

      IIF 6

    • Ground Floor, 85 Buckingham Gate, London, SW1E 6PD, England

      IIF 7
  • Grehan, Keith William
    Irish finance born in August 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 4th, Floor Minerva House, Simmonscourt Road Ballsbridge, Dublin 4, Republic Of Ireland, Ireland

      IIF 8
  • Grehan, Keith William
    Irish financial consultant born in August 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Grehan, Keith William
    Irish none born in August 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Level 26, 30 St Mary Axe, London, EC3A 8EP

      IIF 25
  • Mr Keith William Grehan
    Irish born in August 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 20-22, Wenlock Road, London, N1 7GU, England

      IIF 26
  • Grehan, Keith
    Irish born in August 1977

    Resident in England

    Registered addresses and corresponding companies

    • 3, Coldbath Square, London, EC1R 5HL, England

      IIF 27
  • Grehan, Keith William

    Registered addresses and corresponding companies

    • 145-157, St John Street, London, EC1V 4PW, England

      IIF 28
child relation
Offspring entities and appointments 26
  • 1
    CITY FINANCIALS LIMITED
    03585756
    C/o Ion, 10 Queen Street Place, London, England
    Dissolved Corporate (11 parents)
    Officer
    2012-08-31 ~ 2014-06-03
    IIF 12 - Director → ME
  • 2
    FFASTFILL EUROPE LIMITED
    - now 03749883
    FFASTFILL LIMITED - 2000-10-05
    CITY DERIVATIVES SYSTEMS LTD - 2000-04-19
    C/o Ion, 10 Queen Street Place, London, England
    Active Corporate (25 parents)
    Officer
    2013-07-30 ~ 2014-06-03
    IIF 23 - Director → ME
  • 3
    FFASTFILL LIMITED
    - now 03978346 03749883
    FFASTFILL PLC - 2013-07-01
    FFASTFILL HOLDINGS PLC - 2000-10-05
    C/o Ion, 10 Queen Street Place, London, England
    Active Corporate (36 parents, 2 offsprings)
    Officer
    2013-07-30 ~ 2014-06-03
    IIF 22 - Director → ME
  • 4
    FIELD LANE FOUNDATION(THE)
    00098226
    Ground Floor, 85 Buckingham Gate, London, England
    Active Corporate (66 parents, 1 offspring)
    Officer
    2016-04-11 ~ 2023-02-20
    IIF 7 - Director → ME
  • 5
    GROWNICE LTD
    15891157
    3 Coldbath Square, London, United Kingdom
    Active Corporate (5 parents, 1 offspring)
    Officer
    2024-08-12 ~ now
    IIF 2 - Director → ME
  • 6
    ION CONSULTING UK LIMITED
    - now 02294625
    ANVIL SOFTWARE LIMITED - 2007-05-17
    C/o Ion, 10 Queen Street Place, London, England
    Dissolved Corporate (21 parents)
    Officer
    2013-04-19 ~ 2014-06-03
    IIF 11 - Director → ME
  • 7
    ION TRADING UK LIMITED
    - now 03261502
    ION TRADING SYSTEMS LIMITED - 2004-06-29
    OYSTERVALE LIMITED - 1997-09-29
    C/o Ion, 10 Queen Street Place, London, England
    Active Corporate (34 parents, 1 offspring)
    Officer
    2011-10-19 ~ 2014-06-03
    IIF 20 - Director → ME
  • 8
    IT2 TREASURY SOLUTIONS LIMITED
    - now 01648116
    SIMCORP TREASURY SOLUTIONS LIMITED - 2007-07-18
    SIMCORP SWALLOW BUSINESS SYSTEMS LIMITED - 2006-09-01
    BA SWALLOW BUSINESS SYSTEMS LIMITED - 1999-09-01
    BA SWALLOW HOLDINGS LTD. - 1990-09-28
    BA FUTURES LIMITED - 1989-03-14
    TRUSHELFCO (NO. 467) LIMITED - 1982-09-01
    C/o Ion, 10 Queen Street Place, London, England
    Active Corporate (43 parents)
    Officer
    2013-01-11 ~ 2014-06-03
    IIF 3 - Director → ME
  • 9
    MODERNELITE LIMITED
    04328294
    C/o Ion, 10 Queen Street Place, London, England
    Dissolved Corporate (24 parents)
    Officer
    2013-04-19 ~ 2014-06-03
    IIF 10 - Director → ME
  • 10
    PATSYSTEMS (UK) LIMITED
    - now 03086310
    PAT SYSTEMS LIMITED - 2000-03-03
    C/o Ion, 10 Queen Street Place, London, England
    Active Corporate (39 parents)
    Officer
    2013-04-23 ~ 2014-06-03
    IIF 24 - Director → ME
  • 11
    PATSYSTEMS HOLDINGS LIMITED
    - now 03930861 04573542
    TIMESWIFT PLC - 2000-03-03
    Level 26 30 St Mary Axe, London
    Dissolved Corporate (25 parents)
    Officer
    2013-01-09 ~ 2014-06-03
    IIF 21 - Director → ME
  • 12
    PATSYSTEMS LIMITED
    - now 04498002 03086310
    PATSYSTEMS PLC
    - 2012-07-06 04498002 03086310
    LIONSTAND PLC - 2003-02-14
    C/o Ion, 10 Queen Street Place, London, England
    Active Corporate (30 parents, 1 offspring)
    Officer
    2012-01-26 ~ 2014-06-03
    IIF 8 - Director → ME
  • 13
    REAL ICE DEVELOPMENT COMPANY LTD
    13876877
    3 Coldbath Square, London, England
    Active Corporate (7 parents)
    Equity (Company account)
    -168,851 GBP2024-01-31
    Officer
    2022-07-01 ~ now
    IIF 27 - Director → ME
  • 14
    ROLFE & NOLAN GROUP LIMITED
    - now 04641157
    MAIA HOLDINGS LIMITED - 2003-07-09
    LAW 2390 LIMITED - 2003-01-28
    Level 26, 30 St. Mary Axe, London
    Dissolved Corporate (17 parents)
    Officer
    2011-10-19 ~ 2014-06-03
    IIF 16 - Director → ME
  • 15
    ROLFE & NOLAN HOLDINGS LIMITED
    - now 06229837
    INTERCEDE 2183 LIMITED - 2007-06-22
    Level 26, 30 St. Mary Axe, London
    Dissolved Corporate (14 parents)
    Officer
    2013-01-09 ~ 2014-06-03
    IIF 17 - Director → ME
  • 16
    ROLFE & NOLAN INTERNATIONAL LIMITED
    03235415
    Level 26, 30 St Mary Axe, London
    Dissolved Corporate (15 parents)
    Officer
    2011-10-19 ~ 2014-06-03
    IIF 19 - Director → ME
  • 17
    ROLFE & NOLAN LIMITED
    - now 01157638
    ROLFE & NOLAN COMPUTER SERVICES PUBLIC LIMITED COMPANY - 1993-08-09
    Level 26, 30 St. Mary Axe, London
    Dissolved Corporate (26 parents)
    Officer
    2011-10-19 ~ 2014-06-03
    IIF 15 - Director → ME
  • 18
    ROLFE & NOLAN SYSTEMS LIMITED
    03290332
    C/o Ion, 10 Queen Street Place, London, England
    Active Corporate (39 parents)
    Officer
    2011-10-19 ~ 2014-06-03
    IIF 4 - Director → ME
  • 19
    STORMPULSE UK LTD
    12167703
    20-22 Wenlock Road, London, England
    Dissolved Corporate (5 parents)
    Officer
    2019-08-21 ~ 2019-12-06
    IIF 5 - Director → ME
  • 20
    THREE2E LIMITED
    - now 09109570
    NOVACIES CAPITAL LIMITED
    - 2024-07-09 09109570
    NOVACIES CORPORATION LTD
    - 2015-04-24 09109570
    20-22 Wenlock Road, London, England
    Active Corporate (3 parents)
    Equity (Company account)
    -22,522 GBP2023-12-31
    Officer
    2014-07-01 ~ now
    IIF 1 - Director → ME
    2014-07-01 ~ now
    IIF 28 - Secretary → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 26 - Ownership of shares – More than 25% but not more than 50% → OE
  • 21
    TREASURYPORTAL LIMITED
    - now 04066068
    GLOBALSKILL LIMITED - 2000-11-01
    C/o Ion, 10 Queen Street Place, London, England
    Dissolved Corporate (17 parents)
    Officer
    2013-01-31 ~ 2014-06-03
    IIF 13 - Director → ME
  • 22
    TRIPLE POINT TECHNOLOGY LIMITED
    - now 02664023
    TRIPLE POINT METALS TECHNOLOGY LIMITED - 2000-12-29
    INTERFLEX BUSINESS SYSTEMS LIMITED - 1999-02-11
    CLAMRICE LIMITED - 1992-01-07
    C/o Ion, 10 Queen Street Place, London, England
    Active Corporate (23 parents)
    Officer
    2013-07-10 ~ 2014-06-03
    IIF 18 - Director → ME
  • 23
    WALL STREET SYSTEMS LABORATORIES LTD
    - now 02564755
    TREMA LABORATORIES LIMITED - 2007-04-03
    RICHMOND SOFTWARE LIMITED - 2005-10-26
    C/o Ion, 10 Queen Street Place, London, England
    Dissolved Corporate (17 parents)
    Officer
    2013-04-01 ~ 2014-06-03
    IIF 14 - Director → ME
  • 24
    WALL STREET SYSTEMS SERVICES CORP.
    FC017941
    1290 Avenue Of The Americas, 22nd Floor, New York, Ny10104, United States
    Converted / Closed Corporate (8 parents)
    Officer
    2011-06-20 ~ 2014-06-03
    IIF 9 - Director → ME
  • 25
    WALL STREET SYSTEMS UK LTD
    - now 03081375
    TREMA (U.K) LIMITED - 2007-04-03
    TREMA TREASURY MANAGEMENT LIMITED - 2001-05-30
    TREMA LIMITED - 1997-09-25
    C/o Ion, 10 Queen Street Place, London, England
    Active Corporate (27 parents, 1 offspring)
    Officer
    2011-06-28 ~ 2014-06-03
    IIF 6 - Director → ME
  • 26
    YOLUS LIMITED
    - now 03952124
    E-OLUS LIMITED - 2000-12-20
    Level 26 30 St Mary Axe, London
    Dissolved Corporate (18 parents)
    Officer
    2013-04-19 ~ 2014-06-03
    IIF 25 - Director → ME

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