Quantum Blockchain Technologies PLC

Active03926192 Public limited company
Incorporated
15 February 2000 (26 years)
Previously known as
Clear Leisure PLC (until 6 May 2021)
Brainspark PLC (until 30 November 2012)
Goodvend Limited (until 2 March 2000)
Industry
Activities of head offices (70100)
Directors
Vladimir Kusznirczuk
Mark Michael Trafeli
Accounts type
Group
Region
Greater London
Address
First Floor
1 Chancery Lane
London
WC2A 1LF

Filing status

Accounts due
30 June 2027
Last accounts
31 December 2025
Conf. stmt due
13 April 2027
Last conf. stmt
30 March 2026

Charges

Total
4
Outstanding
1
Part satisfied
0
Satisfied
3

Officers 4 active

Officer details are public data from the Companies House register.

Kusznirczuk, Vladimir
Director · Appointed 19 May 2025
American
Born September 1961 (65)
Trafeli, Mark Michael
Director · Appointed 25 November 2022
Italian
Born November 1966
Gordon, James Douglas Strachan
Secretary · Appointed 31 July 2015
Director · Appointed 31 July 2015
Also at Regeneration Enabling Devices International Limited (proposed for strike-off), Overseas Properties and Assets Limited, Brainspark Associates Limited · more companies
Italian
Born December 1954 (71)
Officer history (40 former)
19 May 2025
Appointed Kusznirczuk, Vladimir as Director
17 May 2025
Resigned Fuhrman, Peter as Director
25 November 2022
Appointed Trafeli, Mark Michael as Director
12 September 2022
Appointed Fuhrman, Peter as Director
16 August 2022
Resigned Eccles, Reginald George as Director
19 August 2015
Resigned Jagatia, Nilesh Kumar as Director
31 July 2015
Appointed Eccles, Reginald George as Director
31 July 2015
Resigned Villa, Alfredo Maria as Director
31 July 2015
Resigned Jagatia, Nilesh as Secretary
31 July 2015
Appointed Gardin, Francesco, Professor as Director
31 July 2015
Appointed Gordon, James Douglas Strachan as Secretary
18 October 2013
Resigned Johnson, Luke Oliver as Director
12 August 2013
Resigned Suglia, Cesare as Director
11 February 2013
Resigned White, Dominic Andrew as Director
11 February 2013
Resigned Petocchi, Enrico as Director
6 February 2013
Resigned Seymour Company Secretaries Limited as Corporate Secretary
6 February 2013
Appointed Jagatia, Nilesh as Secretary
19 October 2012
Appointed Johnson, Luke Oliver as Director
18 October 2012
Appointed Jagatia, Nilesh Kumar as Director
18 October 2012
Resigned Burman, Edward as Director
1 May 2012
Appointed Seymour Company Secretaries Limited as Corporate Secretary
27 April 2012
Appointed Suglia, Cesare as Director
27 April 2012
Resigned Gordon, James Douglas Strachan as Secretary
27 April 2012
Appointed White, Dominic Andrew as Director
27 April 2012
Appointed Petocchi, Enrico as Director
16 April 2012
Resigned Kanabar, Haresh Damodar as Director
16 April 2012
Resigned Malacart, Alessandro as Director
16 April 2012
Resigned Drummond, Justin Piers as Director
29 February 2012
Appointed Drummond, Justin Piers as Director
18 February 2011
Resigned Gardin, Francesco, Professor as Director
1 October 2009
Appointed Malacart, Alessandro as Director
1 October 2009
Appointed Gordon, James Douglas Strachan as Secretary
1 October 2009
Appointed Villa, Alfredo Maria as Director
1 October 2009
Appointed Kanabar, Haresh Damodar as Director
27 August 2009
Resigned Meacher, David Christopher as Director
27 August 2009
Resigned Bailey, Dennis Bryan as Secretary
27 August 2009
Resigned Bailey, Dennis Bryan as Director
24 February 2009
Resigned Villa, Alfredo Maria as Director
2 May 2007
Resigned Caldwell, Donald Richard as Director
8 March 2006
Resigned Gordon, James Douglas Strachan as Secretary
11 January 2006
Appointed Bailey, Dennis Bryan as Director
11 January 2006
Appointed Bailey, Dennis Bryan as Secretary
2 December 2005
Resigned Agosta, Alberto as Director
22 July 2005
Appointed Villa, Alfredo Maria as Director
10 April 2003
Resigned Daniels Young, Sheryl as Director
7 November 2002
Appointed Burman, Edward as Director
5 February 2002
Resigned Dodd, Stewart Michael as Director
5 February 2002
Appointed Meacher, David Christopher as Director
5 February 2002
Appointed Gardin, Francesco, Professor as Director
5 February 2002
Resigned Judd, Jasper Rayner Augusto as Secretary
5 February 2002
Appointed Agosta, Alberto as Director
5 February 2002
Resigned Judd, Jasper Rayner Augusto as Director
5 February 2002
Resigned Corley, Paul John as Director
5 February 2002
Resigned Hawkins, Andrew Peter as Director
5 February 2002
Appointed Gordon, James Douglas Strachan as Secretary
5 February 2002
Resigned Freedman, Noah as Director
19 October 2001
Resigned Thomas, Barbara, Lady as Director
2 April 2001
Resigned Fiennes, Martin as Director
1 March 2001
Appointed Judd, Jasper Rayner Augusto as Director
1 March 2001
Appointed Judd, Jasper Rayner Augusto as Secretary
28 February 2001
Appointed Caldwell, Donald Richard as Director
28 February 2001
Appointed Hawkins, Andrew Peter as Director
28 February 2001
Resigned Harford, Mark John as Secretary
28 February 2001
Resigned Harford, Mark John as Director
28 February 2001
Resigned Welch, Alwyn Frank as Director
17 November 2000
Appointed Corley, Paul John as Director
14 June 2000
Appointed Harford, Mark John as Secretary
14 June 2000
Resigned Freedman, Noah as Secretary
14 June 2000
Appointed Harford, Mark John as Director
9 March 2000
Appointed Welch, Alwyn Frank as Director
9 March 2000
Appointed Freedman, Noah as Director
1 March 2000
Appointed Daniels Young, Sheryl as Director
1 March 2000
Appointed Dodd, Stewart Michael as Director
1 March 2000
Appointed Thomas, Barbara, Lady as Director
1 March 2000
Appointed Fiennes, Martin as Director
1 March 2000
Appointed Freedman, Noah as Secretary
1 March 2000
Resigned Bridgwood, Alistair Charles as Secretary
1 March 2000
Resigned Elliott, Giles Patrick as Director
16 February 2000
Appointed Bridgwood, Alistair Charles as Secretary
16 February 2000
Appointed Elliott, Giles Patrick as Director
16 February 2000
Resigned Hallmark Secretaries Limited as Corporate Nominee Secretary
16 February 2000
Resigned Hallmark Registrars Limited as Corporate Nominee Director
15 February 2000
Appointed Hallmark Secretaries Limited as Corporate Nominee Secretary
15 February 2000
Appointed Hallmark Registrars Limited as Corporate Nominee Director

Ownership 0 active

People and entities with significant control, from the Companies House PSC register

The company has declared that it has no person with significant control.

Holdings 3

Companies where Quantum Blockchain Technologies PLC is registered as a person with significant control

Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
15 July 2026Director's details changed
10 July 2026Group of companies' accounts31 December 2025
10 June 2026Other filing
8 May 2026Statement of capital following an allotment of shares
27 April 2026Confirmation statement with updates30 March 2026
Show all recent filings

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