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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 4
Ceased 33
  • 1
    Freedman, Noah
    Director born in August 1949
    Individual (2 offsprings)
    Officer
    2000-03-09 ~ 2002-02-05
    OF - Director → CIF 0
    Freedman, Noah
    Director
    Individual (2 offsprings)
    Officer
    2000-03-01 ~ 2000-06-14
    OF - Secretary → CIF 0
  • 2
    Kanabar, Haresh Damodar
    Director born in March 1958
    Individual (12 offsprings)
    Officer
    2009-10-01 ~ 2012-04-16
    OF - Director → CIF 0
  • 3
    Dodd, Stewart Michael
    Director born in March 1962
    Individual (7 offsprings)
    Officer
    2000-03-01 ~ 2002-02-05
    OF - Director → CIF 0
  • 4
    Villa, Alfredo Maria
    Director born in May 1961
    Individual (11 offsprings)
    Officer
    2005-07-22 ~ 2009-02-24
    OF - Director → CIF 0
    2009-10-01 ~ 2015-07-31
    OF - Director → CIF 0
  • 5
    Eccles, Reginald George
    Director born in August 1945
    Individual
    Officer
    2015-07-31 ~ 2022-08-16
    OF - Director → CIF 0
  • 6
    Gardin, Francesco, Professor
    Director born in December 1954
    Individual (16 offsprings)
    Officer
    2002-02-05 ~ 2011-02-18
    OF - Director → CIF 0
  • 7
    Thomas, Barbara, Lady
    Director born in December 1946
    Individual (2 offsprings)
    Officer
    2000-03-01 ~ 2001-10-19
    OF - Director → CIF 0
  • 8
    Gordon, James Douglas Strachan
    Individual (67 offsprings)
    Officer
    2002-02-05 ~ 2006-03-08
    OF - Secretary → CIF 0
    2009-10-01 ~ 2012-04-27
    OF - Secretary → CIF 0
  • 9
    Corley, Paul John
    Born in December 1950
    Individual (4 offsprings)
    Officer
    2000-11-17 ~ 2002-02-05
    OF - Director → CIF 0
  • 10
    Agosta, Alberto
    Director born in September 1944
    Individual
    Officer
    2002-02-05 ~ 2005-12-02
    OF - Director → CIF 0
  • 11
    Caldwell, Donald Richard
    Executive born in June 1946
    Individual (3 offsprings)
    Officer
    2001-02-28 ~ 2007-05-02
    OF - Director → CIF 0
  • 12
    Daniels Young, Sheryl
    Director born in December 1956
    Individual (12 offsprings)
    Officer
    2000-03-01 ~ 2003-04-10
    OF - Director → CIF 0
  • 13
    Harford, Mark John
    Company Director born in August 1964
    Individual (6 offsprings)
    Officer
    2000-06-14 ~ 2001-02-28
    OF - Director → CIF 0
    Harford, Mark John
    Individual (6 offsprings)
    Officer
    2000-06-14 ~ 2001-02-28
    OF - Secretary → CIF 0
  • 14
    Welch, Alwyn Frank
    Director born in July 1957
    Individual (3 offsprings)
    Officer
    2000-03-09 ~ 2001-02-28
    OF - Director → CIF 0
  • 15
    Elliott, Giles Patrick
    Solicitor born in July 1969
    Individual
    Officer
    2000-02-16 ~ 2000-03-01
    OF - Director → CIF 0
  • 16
    Hawkins, Andrew Peter
    Venture Capitalist born in June 1958
    Individual (2 offsprings)
    Officer
    2001-02-28 ~ 2002-02-05
    OF - Director → CIF 0
  • 17
    Jagatia, Nilesh Kumar
    Accountant born in April 1967
    Individual (13 offsprings)
    Officer
    2012-10-18 ~ 2015-08-19
    OF - Director → CIF 0
    Jagatia, Nilesh
    Individual (13 offsprings)
    Officer
    2013-02-06 ~ 2015-07-31
    OF - Secretary → CIF 0
  • 18
    Bridgwood, Alistair Charles
    Individual
    Officer
    2000-02-16 ~ 2000-03-01
    OF - Secretary → CIF 0
  • 19
    Fuhrman, Peter
    Director born in October 1958
    Individual
    Officer
    2022-09-12 ~ 2025-05-17
    OF - Director → CIF 0
  • 20
    White, Dominic Andrew
    Company Director born in March 1972
    Individual (17 offsprings)
    Officer
    2012-04-27 ~ 2013-02-11
    OF - Director → CIF 0
  • 21
    Hallmark Registrars Limited
    Individual
    Officer
    2000-02-15 ~ 2000-02-16
    OF - Nominee Director → CIF 0
  • 22
    Drummond, Justin Piers
    Director born in July 1973
    Individual (6 offsprings)
    Officer
    2012-02-29 ~ 2012-04-16
    OF - Director → CIF 0
  • 23
    Burman, Edward
    Consultant Director born in May 1947
    Individual
    Officer
    2002-11-07 ~ 2012-10-18
    OF - Director → CIF 0
  • 24
    Meacher, David Christopher
    Investment Banker born in June 1963
    Individual (3 offsprings)
    Officer
    2002-02-05 ~ 2009-08-27
    OF - Director → CIF 0
  • 25
    Fiennes, Martin
    Director born in February 1961
    Individual (9 offsprings)
    Officer
    2000-03-01 ~ 2001-04-02
    OF - Director → CIF 0
  • 26
    Malacart, Alessandro
    Director born in February 1961
    Individual (2 offsprings)
    Officer
    2009-10-01 ~ 2012-04-16
    OF - Director → CIF 0
  • 27
    Petocchi, Enrico
    Accountant born in May 1963
    Individual (2 offsprings)
    Officer
    2012-04-27 ~ 2013-02-11
    OF - Director → CIF 0
  • 28
    Suglia, Cesare
    Company Director born in June 1967
    Individual
    Officer
    2012-04-27 ~ 2013-08-12
    OF - Director → CIF 0
  • 29
    Judd, Jasper Rayner Augusto
    Accountant born in November 1960
    Individual (6 offsprings)
    Officer
    2001-03-01 ~ 2002-02-05
    OF - Director → CIF 0
    Judd, Jasper Rayner Augusto
    Individual (6 offsprings)
    Officer
    2001-03-01 ~ 2002-02-05
    OF - Secretary → CIF 0
  • 30
    Bailey, Dennis Bryan
    Stockbroker born in December 1939
    Individual (3 offsprings)
    Officer
    2006-01-11 ~ 2009-08-27
    OF - Director → CIF 0
    Bailey, Dennis Bryan
    Individual (3 offsprings)
    Officer
    2006-01-11 ~ 2009-08-27
    OF - Secretary → CIF 0
  • 31
    Johnson, Luke Oliver
    Company Director born in February 1962
    Individual (76 offsprings)
    Officer
    2012-10-19 ~ 2013-10-18
    OF - Director → CIF 0
  • 32
    HASSECK COMPANY SECRETARIES LIMITED - 1995-11-01
    New Derwent House, 69-73 Theobalds Road, London, United Kingdom
    Dissolved Corporate (1 offspring)
    Officer
    2012-05-01 ~ 2013-02-06
    PE - Secretary → CIF 0
  • 33
    120 East Road, London
    Dissolved Corporate (4 parents, 1 offspring)
    Equity (Company account)
    2 GBP2017-12-31
    Officer
    2000-02-15 ~ 2000-02-16
    PE - Nominee Secretary → CIF 0
parent relation
Company in focus

QUANTUM BLOCKCHAIN TECHNOLOGIES PLC

Previous names
CLEAR LEISURE PLC - 2021-05-06
BRAINSPARK PLC - 2012-11-30
GOODVEND LIMITED - 2000-03-02
Standard Industrial Classification
70100 - Activities Of Head Offices
Related profiles found in government register
  • QUANTUM BLOCKCHAIN TECHNOLOGIES PLC
    Info
    CLEAR LEISURE PLC - 2021-05-06
    BRAINSPARK PLC - 2021-05-06
    GOODVEND LIMITED - 2021-05-06
    Registered number 03926192
    First Floor, 1 Chancery Lane, London WC2A 1LF
    PUBLIC LIMITED COMPANY incorporated on 2000-02-15 (26 years). The company status is Active.
    The last date of confirmation statement was made at 2025-03-30
    CIF 0
  • QUANTUM BLOCKCHAIN TECHNOLOGIES PLC
    S
    Registered number 3926192
    1, Chancery Lane, London, United Kingdom, WC2A 1LF
    Public Limited Company in Uk Register Of Companies, United Kingdom
    CIF 1 CIF 2
  • QUANTUM BLOCKCHAIN TECHNOLOGIES PLC
    S
    Registered number 3926192
    First Floor, 1, Chancery Lane, London, England, WC2A 1LF
    Public Limited Company in England & Wales, England
    CIF 3
(more)
child relation
Offspring entities and appointments
Active 5
  • 1
    BRAINSPARK LIMITED - 2000-03-02
    BRAINSPARK.COM LIMITED - 2000-02-14
    First Floor, 1 Chancery Lane, London, England
    Active Corporate (3 parents)
    Equity (Company account)
    -36,255,172 GBP2020-12-31
    Person with significant control
    2016-04-06 ~ now
    CIF 5 - Ownership of shares – 75% or more → OE
    CIF 5 - Ownership of voting rights - 75% or more → OE
  • 2
    First Floor, 1 Chancery Lane, London, England
    Active Corporate (3 parents)
    Equity (Company account)
    -48,624 GBP2020-12-31
    Person with significant control
    2017-03-09 ~ now
    CIF 3 - Ownership of shares – 75% or more → OE
  • 3
    First Floor, 1 Chancery Lane, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-12-31
    Person with significant control
    2019-12-30 ~ now
    CIF 1 - Ownership of voting rights - 75% or more → OE
    CIF 1 - Right to appoint or remove directors → OE
    CIF 1 - Ownership of shares – 75% or more → OE
  • 4
    First Floor, 1 Chancery Lane, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-12-31
    Person with significant control
    2019-12-30 ~ now
    CIF 2 - Right to appoint or remove directors → OE
    CIF 2 - Ownership of shares – 75% or more → OE
    CIF 2 - Ownership of voting rights - 75% or more → OE
  • 5
    First Floor, 1 Chancery Lane, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    1 GBP2024-12-31
    Person with significant control
    2019-12-30 ~ now
    CIF 4 - Ownership of shares – 75% or more → OE

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