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The National Museum Of Computing

The National Museum Of Computing is an active company incorporated on 30 March 2005 with the registered office located in Milton Keynes, Buckinghamshire. The National Museum Of Computing was registered 20 years ago.
Status
Active
Active since 15 years ago
Company No
05407952
Private Limited Company by guarantee without share capital, use of 'Limited' exemption
Age
20 years
Incorporated 30 March 2005
Size
Micro
Turnover is under £1M
Balance sheet is under £500,000
Confirmation
Submitted
Dated 30 March 2025 (5 months ago)
Next confirmation dated 30 March 2026
Due by 13 April 2026 (7 months remaining)
Last change occurred 8 years ago
Accounts
Submitted
For period 1 Apr ⟶ 31 Mar 2024 (1 year)
Accounts type is Total Exemption Full
Next accounts for period 31 March 2025
Due by 31 December 2025 (3 months remaining)
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Contact
Address
Tnmoc, Block H Bletchley Park
Sherwood Drive
Milton Keynes
MK3 6EB
United Kingdom
Same address for the past 6 years
Telephone
01234822788
Email
Available in Endole App
Website
Tnmoc.org
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People
Officers
11
Shareholders
-
Controllers (PSC)
1
Ms Sarah-Jill Lennard
Director • Ned, Adviser, Occasional Consultant AND • British • Lives in England • Born in Apr 1956
Sir John Dermot Turing
Director • Writer • British • Lives in Scotland • Born in Feb 1961
Dr Andrew James Herbert
Director • None • British • Lives in UK • Born in Mar 1954
Steven Kay
Director • Retired • British • Lives in England • Born in Jul 1949
Mr Benjamin Jon Trethowan
Director • Chief Information Security Officer • British • Lives in England • Born in Jun 1986
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Shareholders, PSCs & Group Structure
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Mutual Companies
Tnmoc Trading Limited
Dr Andrew James Herbert, Mr Kevin Robert Murrell, and 3 more are mutual people.
Active
Savience Limited
Mr Kevin Robert Murrell is a mutual person.
Active
Newwater Consulting Ltd
Mr Kevin Robert Murrell is a mutual person.
Active
Cifas
Ms Sarah-Jill Lennard is a mutual person.
Active
Adinway Property Management Limited
Alexander Rupert Van Someren is a mutual person.
Active
Primary Key Associates Limited
Mr Andrew John Clark is a mutual person.
Active
Executable Biology Ltd
Dr Andrew James Herbert is a mutual person.
Active
Polynominal Ltd
Mr Benjamin Jon Trethowan is a mutual person.
Active
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Brands
The National Museum of Computing
The National Museum of Computing (TNMOC) has a collection of working historic computers, illustrating the evolution of computing from the 1940s to the present day.
Financials
Net Assets, Total Assets & Total Liabilities (2015–2024)
Period Ended
31 Mar 2024
For period 31 Mar ⟶ 31 Mar 2024
Traded for 12 months
Cash in Bank
£380.75K
Increased by £17.11K (+5%)
Turnover
£547.28K
Increased by £74.2K (+16%)
Employees
21
Same as previous period
Total Assets
£484.36K
Increased by £48.39K (+11%)
Total Liabilities
-£39.86K
Increased by £20.61K (+107%)
Net Assets
£444.5K
Increased by £27.77K (+7%)
Debt Ratio (%)
8%
Increased by 3.81% (+86%)
See 10 Year Full Financials
Latest Activity
Mr Alexander Rupert Van Someren Appointed
1 Month Ago on 10 Jul 2025
Mr Daniel Jeremy Peter Garratt Details Changed
4 Months Ago on 25 Apr 2025
Confirmation Submitted
5 Months Ago on 10 Apr 2025
Steven Kay Resigned
5 Months Ago on 31 Mar 2025
Rachel Hilary Ann Burnett Resigned
5 Months Ago on 31 Mar 2025
Full Accounts Submitted
8 Months Ago on 31 Dec 2024
Mr Daniel Jeremy Peter Garratt Appointed
9 Months Ago on 14 Nov 2024
Sir John Dermot Turing Appointed
12 Months Ago on 12 Sep 2024
Confirmation Submitted
1 Year 4 Months Ago on 16 Apr 2024
Mr Benjamin Jon Trethowan Appointed
1 Year 8 Months Ago on 11 Jan 2024
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Documents
Appointment of Mr Alexander Rupert Van Someren as a director on 10 July 2025
Submitted on 14 Jul 2025
Director's details changed for Mr Daniel Jeremy Peter Garratt on 25 April 2025
Submitted on 25 Apr 2025
Confirmation statement made on 30 March 2025 with no updates
Submitted on 10 Apr 2025
Termination of appointment of Rachel Hilary Ann Burnett as a director on 31 March 2025
Submitted on 2 Apr 2025
Termination of appointment of Steven Kay as a director on 31 March 2025
Submitted on 2 Apr 2025
Total exemption full accounts made up to 31 March 2024
Submitted on 31 Dec 2024
Appointment of Mr Daniel Jeremy Peter Garratt as a director on 14 November 2024
Submitted on 28 Nov 2024
Appointment of Sir John Dermot Turing as a director on 12 September 2024
Submitted on 3 Oct 2024
Confirmation statement made on 30 March 2024 with no updates
Submitted on 16 Apr 2024
Appointment of Mr Benjamin Jon Trethowan as a director on 11 January 2024
Submitted on 24 Jan 2024
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Repayment History
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