Castleton Technology Limited

Active03336134 Private limited company
Incorporated
19 March 1997 (29 years)
Previously known as
Castleton Technology PLC (until 24 July 2020)
Redstone PLC (until 21 November 2013)
Redstone Telecom PLC (until 27 July 2001)
Earlier: Cienbe Limited
Industry
Activities of head offices (70100)
Owned by
Mri Software Limited
Accounts type
Full
Region
Greater London
Address
9 King Street
London
EC2V 8EA

Filing status

Accounts due
30 September 2027
Last accounts
31 December 2025
Conf. stmt due
1 April 2027
Last conf. stmt
18 March 2026

Charges

Total
13
Outstanding
1
Part satisfied
0
Satisfied
12

Officers 2 active

Officer details are public data from the Companies House register.

Director · Appointed 4 June 2020
American
Born May 1972 (54)
Director · Appointed 4 June 2020
American
Born January 1971 (55)
Officer history (48 former)
10 November 2025
Resigned Telerman, Roman as Director
4 June 2020
Resigned Dickinson, Dean Robert as Director
4 June 2020
Appointed Ghilani, Patrick Joseph, Mr. as Director
4 June 2020
Appointed Telerman, Roman as Director
4 June 2020
Resigned Payne, David Graham as Director
4 June 2020
Resigned Showker, Karenjeet Kaur as Secretary
4 June 2020
Appointed Ensign, John Adler as Director
4 June 2020
Resigned Kelly, Philip Edward as Director
4 June 2020
Resigned Chapman, Haywood Trefor as Director
4 June 2020
Resigned Gibson, Paul David as Director
19 July 2019
Resigned Griffiths, Helen as Secretary
19 July 2019
Appointed Showker, Karenjeet Kaur as Secretary
19 April 2018
Resigned Young, Jenny Louise as Secretary
19 April 2018
Appointed Griffiths, Helen as Secretary
18 July 2017
Appointed Gibson, Paul David as Director
18 July 2017
Resigned Smith, Andrew Ian as Director
16 January 2017
Resigned Sanghera, Davinder Kaur as Director
31 October 2016
Appointed Dickinson, Dean Robert as Director
30 August 2016
Resigned Bell, Carolyn as Director
2 November 2015
Appointed Bell, Carolyn as Director
31 July 2015
Appointed Young, Jenny Louise as Secretary
31 July 2015
Resigned Myhill, Paul Harvey as Secretary
9 April 2015
Appointed Sanghera, Davinder Kaur as Director
31 December 2014
Resigned Weaver, Anthony Charles as Director
31 December 2014
Resigned Dredge, Spencer Neal as Director
1 December 2014
Appointed Chapman, Haywood Trefor as Director
1 October 2014
Appointed Kelly, Philip Edward as Director
1 October 2014
31 January 2014
Appointed Dredge, Spencer Neal as Director
31 January 2014
Resigned Hallett, Peter John as Director
1 January 2013
Appointed Myhill, Paul Harvey as Secretary
31 December 2012
Resigned Hayes, Peter Andrew as Secretary
18 November 2011
Resigned O'Rorke, Nicholas as Secretary
25 August 2011
Appointed Hayes, Peter Andrew as Secretary
18 October 2010
18 October 2010
Resigned Sherwood, Timothy Robin as Director
8 September 2010
Resigned Yapp, Stephen as Director
2 August 2010
Appointed Smith, Andrew Ian as Director
2 August 2010
Appointed Weaver, Anthony Charles as Director
11 May 2010
Resigned Hallett, Peter John as Director
11 May 2010
Resigned Hallett, Peter John as Director
25 February 2010
Appointed O'Rorke, Nicholas as Secretary
25 February 2010
Resigned Hayes, Peter Andrew as Secretary
13 October 2009
Appointed Hallett, Peter John as Director
13 October 2009
Appointed Hallett, Peter John as Director
13 October 2009
Appointed Yapp, Stephen as Director
13 October 2009
Resigned Perks, Timothy Howard as Director
13 October 2009
Appointed Hallett, Peter John as Director
28 September 2009
Resigned Coppin, Alan Charles as Director
28 April 2009
Resigned Balaam, Martin Anthony as Director
19 June 2008
Resigned Spencer, Gerard Vincent as Director
26 September 2007
Resigned Vaughan, Oliver John as Director
6 March 2007
Appointed Sherwood, Timothy Robin as Director
29 November 2006
Resigned Stafford-Deitsch, Andrew as Director
1 November 2006
Appointed Hayes, Peter Andrew as Secretary
31 October 2006
22 June 2006
Resigned Pathak, Ashvin Rao as Director
22 June 2006
Resigned Roberts, Andrew Christopher as Director
22 June 2006
Appointed Coppin, Alan Charles as Director
29 November 2005
Appointed Pathak, Ashvin Rao as Director
29 November 2005
Appointed Spencer, Gerard Vincent as Director
10 June 2005
Appointed Balaam, Martin Anthony as Director
10 June 2005
Resigned Brown, Ian Christopher as Director
7 September 2004
Appointed Perks, Timothy Howard as Director
7 September 2004
Resigned Walsh, Andrew Jeffrey as Director
27 March 2003
Appointed Roberts, Andrew Christopher as Director
29 October 2001
Resigned Slater-Thomas, Simon David as Director
23 July 2001
Appointed Vaughan, Oliver John as Director
23 July 2001
Appointed Payne, David Graham as Director
26 June 2001
Resigned Cove, Graham Lawrence as Director
26 June 2001
Resigned Yost, Charles Daniel as Director
22 May 2001
10 May 2001
Appointed Walsh, Andrew Jeffrey as Director
10 May 2001
Resigned Harrold, Alan Henry as Director
10 May 2001
Resigned Harrold, Alan Henry as Secretary
20 March 2001
Resigned Cushing, Robert Sefton as Director
20 March 2001
Appointed Brown, Ian Christopher as Director
20 March 2001
Resigned Thomas, Glyn Collen as Director
20 March 2001
Resigned Carrington, John Christopher as Director
20 July 2000
Resigned Vaughan, Oliver John as Director
24 May 2000
Appointed Yost, Charles Daniel as Director
26 February 1999
Appointed Cushing, Robert Sefton as Director
27 February 1998
Appointed Harrold, Alan Henry as Secretary
27 February 1998
Resigned Bracher, Alan Richard as Secretary
10 February 1998
Appointed Stafford-Deitsch, Andrew as Director
23 January 1998
Appointed Vaughan, Oliver John as Director
18 December 1997
Appointed Carrington, John Christopher as Director
18 December 1997
Appointed Thomas, Glyn Collen as Director
6 August 1997
Appointed Harrold, Alan Henry as Director
6 August 1997
Appointed Cove, Graham Lawrence as Director
6 August 1997
Appointed Slater-Thomas, Simon David as Director
6 August 1997
Appointed Bracher, Alan Richard as Secretary
6 August 1997
Resigned Combined Secretarial Services Limited as Corporate Nominee Secretary
6 August 1997
Resigned Combined Nominees Limited as Corporate Nominee Director
6 August 1997
Resigned Combined Secretarial Services Limited as Corporate Nominee Director
19 March 1997
Appointed Combined Secretarial Services Limited as Corporate Nominee Secretary
19 March 1997
Appointed Combined Nominees Limited as Corporate Nominee Director
19 March 1997
Appointed Combined Secretarial Services Limited as Corporate Nominee Director

Ownership 1 active

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

Mri Software Limited
Corporate entity · Notified 4 June 2020
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited Company

Holdings 1

Companies where Castleton Technology Limited is registered as a person with significant control

Owns 75–100% of shares
Active

Financials

Net Assets
£16,922,704
Employees
3

Trend

Net Assets
£0 £20.0M £40.0M 2021 2024 £28,732,818 £16,922,704
Balance sheet detail
20242021
Fixed Assets£18,837,454£29,337,454
Current Assets£1,310,114
Debtors£1,310,114
Creditors (< 1 year)£1,914,750£1,914,750
Net Current Assets(£1,914,750)(£604,636)
Net Assets£16,922,704£28,732,818
Shareholder Funds£16,922,704£28,732,818

Filings 366

DateDescriptionMade Up ToPagesPDF
28 September 2026Full accounts31 December 2025
18 March 2026Confirmation statement with updates18 March 2026
3 December 2025Termination of appointment of a director
24 September 2025Full accounts31 December 2024
19 March 2025Register(s) moved to registered office address
Show all 366 filings

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