National Energy System Operator Limited
Other service activities n.e.c. · Wokingham
ActiveUnited KingdomIncorporated 2017Private Limited Company
Ownership evidence
Reported ownership and control rights in this business, with source dates.
Reported ownership & control
1 without an end date · 1 ceasedThe Secretary Of State For Energy Security And Net ZeroLegal Person
Shares: over 75%, up to 100%Voting rights: over 75%, up to 100%Right to appoint or remove directors
Notified 2024-10-01 · No cessation recorded
Source record 131341336Show 1 ceased record
National Grid Holdings One PlcCorporate
Shares: over 75%, up to 100%Voting rights: over 75%, up to 100%Right to appoint or remove directors
Notified 2017-10-16 · Ceased 2024-10-01
Source record 132255806People behind the business
Current appointments and the wider business interests of each person.
Appointments
13 current · 15 historicalEF
Emma FitzgeraldCurrent director
Appointed 2025-10-01 · 1 yr · Director
JC
John CrackettCurrent director
Appointed 2025-07-01 · 1 yr · Director
CD
Clare DuffyCurrent director
Appointed 2024-10-01 · 2 yrs · Director
CF
Claire Favier TilstonCurrent secretary
Appointed 2021-05-11 · 5 yrs
ZM
Zoe MorrisseyCurrent secretary
Appointed 2019-05-23 · 7 yrs
KL
Kayte LeggeCurrent director
Appointed 2019-04-01 · 7 yrs · Company Director
FS
Fintan SlyeCurrent director
Appointed 2019-03-01 · 7 yrs · Company Director
Show 15 historical appointments
JC
Janice CrawfordResigned director
Resigned 2023-07-17 · 1 yr · Company Director
ZM
Zoe MorrisseyResigned director
Resigned 2022-11-15 · 1 yr · Solicitor
RM
Regina MoranResigned director
Resigned 2020-08-01 · 2 yrs · Company Director
GS
Gregg SmithResigned director
Resigned 2020-05-04 · 2 yrs · Accountant
RQ
Roisin QuinnResigned director
Resigned 2020-03-09 · Company Director
CA
Chantal AckonResigned secretary
Resigned 2019-04-01
DB
Duncan BurtResigned director
Resigned 2019-04-01 · Company Director
GM
Gillian MerronResigned director
Resigned 2019-04-01 · 5 yrs · Company Director
CT
Claire TuckmanResigned director
Resigned 2019-04-01 · 1 yr · Company Director
PP
Paul PlummerResigned director
Resigned 2019-04-01 · 7 yrs · Company Director
MB
Megan BarnesResigned director
Resigned 2018-11-30 · Company Secretary
AM
Alice MorganResigned director
Resigned 2018-01-08 · Company Secretary
LH
Lawrence HaganResigned secretary
Resigned 2017-10-16 · 1 yr
CB
Clive BurnsResigned director
Resigned 2017-10-16 · 1 yr · Company Director
RD
Rachael DavidsonResigned director
Resigned 2017-10-16 · Solicitor
Board profile
- People with appointments
- 13
- Directors assessed
- 11
- Median age
- 59
- Under 35
- 0
- 65 and over
- 3
- Disqualified match
- None active