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National Energy System Operator Limited

National Energy System Operator Limited is an active company incorporated on 16 October 2017 with the registered office located in Wokingham, Berkshire. National Energy System Operator Limited was registered 8 years ago.
Status
Active
Active since 6 years ago
Company No
11014226
Private limited company
Age
8 years
Incorporated 16 October 2017
Size
Large
Turnover is over £54M
Balance sheet is over £27M
Over 250 employees
Confirmation
Submitted
Dated 15 October 2025 (7 days ago)
Next confirmation dated 15 October 2026
Due by 29 October 2026 (1 year remaining)
Last change occurred 7 days ago
Accounts
Submitted
For period 1 Apr31 Mar 2025 (12 months)
Accounts type is Full
Next accounts for period 31 March 2026
Due by 31 December 2026 (1 year 2 months remaining)
Address
St Catherine's Lodge Bearwood Road
Sindlesham
Wokingham
RG41 5BN
England
Address changed on 1 Oct 2024 (1 year ago)
Previous address was 1-3 Strand London WC2N 5EH
Telephone
01926 656536
Email
Unreported
People
Officers
18
Shareholders
1
Controllers (PSC)
1
Director • Director • British • Lives in UK • Born in Sep 1960
Director • Director • British • Lives in England • Born in Feb 1951
Director • Secretary • Solicitor • British • Lives in UK • Born in May 1983
Director • British • Lives in England • Born in Oct 1977
Director • British • Lives in England • Born in Dec 1958
Shareholders, PSCs & Group Structure
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Mutual Companies
The Era Foundation Limited
Dr Paul Golby is a mutual person.
Active
Severfield Plc
Janice Elliott Crawford is a mutual person.
Active
Nuclear Restoration Services Limited
Jayne Patricia Scott is a mutual person.
Active
Intercede Group Plc
John Frederick Linwood is a mutual person.
Active
Nats (En Route) Public Limited Company
Dr Paul Golby is a mutual person.
Active
Nats Holdings Limited
Dr Paul Golby is a mutual person.
Active
Brooks Macdonald Group Plc
John Frederick Linwood is a mutual person.
Active
Commonwealth Parliamentary Association (United Kingdom Branch)
Baroness Gillian Joanna Merron is a mutual person.
Active
Financials
Net Assets, Total Assets & Total Liabilities (2018–2025)
Period Ended
31 Mar 2025
For period 31 Mar31 Mar 2025
Traded for 12 months
Cash in Bank
£63M
Increased by £33M (+110%)
Turnover
£2.9B
Decreased by £905M (-24%)
Employees
1.85K
Increased by 604 (+48%)
Total Assets
£1.87B
Decreased by £392M (-17%)
Total Liabilities
-£1.14B
Decreased by £103M (-8%)
Net Assets
£738M
Decreased by £289M (-28%)
Debt Ratio (%)
61%
Increased by 5.94% (+11%)
Latest Activity
Confirmation Submitted
7 Days Ago on 15 Oct 2025
Full Accounts Submitted
15 Days Ago on 7 Oct 2025
Dr Emma Fitzgerald Appointed
21 Days Ago on 1 Oct 2025
Mr Paul Jonathan Plummer Details Changed
1 Month Ago on 10 Sep 2025
Mr John Crackett Appointed
3 Months Ago on 1 Jul 2025
Janice Elliott Crawford Resigned
6 Months Ago on 31 Mar 2025
Ms Jayne Patricia Scott Appointed
8 Months Ago on 3 Feb 2025
Ms Clare Siobhan Duffy Details Changed
9 Months Ago on 8 Jan 2025
Confirmation Submitted
1 Year Ago on 15 Oct 2024
Mrs Kayte Anne Eve O'neill Details Changed
6 Years Ago on 1 Apr 2019
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Documents
Confirmation statement made on 15 October 2025 with updates
Submitted on 15 Oct 2025
Appointment of Dr Emma Fitzgerald as a director on 1 October 2025
Submitted on 15 Oct 2025
Full accounts made up to 31 March 2025
Submitted on 7 Oct 2025
Director's details changed for Mr Paul Jonathan Plummer on 10 September 2025
Submitted on 17 Sep 2025
Appointment of Mr John Crackett as a director on 1 July 2025
Submitted on 1 Jul 2025
Termination of appointment of Janice Elliott Crawford as a director on 31 March 2025
Submitted on 1 Apr 2025
Appointment of Ms Jayne Patricia Scott as a director on 3 February 2025
Submitted on 4 Feb 2025
Director's details changed for Ms Clare Siobhan Duffy on 8 January 2025
Submitted on 14 Jan 2025
Director's details changed for Mrs Kayte Anne Eve O'neill on 1 April 2019
Submitted on 8 Dec 2024
Confirmation statement made on 15 October 2024 with updates
Submitted on 15 Oct 2024
Repayment History
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