91/ 100
Robust

NATIONAL ENERGY SYSTEM OPERATOR LIMITED

Active11014226|Private Limited Company|Est. 9 years ago|Updated 12 Apr 2026
Financial Health
73
Compliance & Legal
79
Governance & Structure
85
Network Risk
85
Operational Quality
75

NATIONAL ENERGY SYSTEM OPERATOR LIMITED (11014226) is a private limited company registered in WOKINGHAM, incorporated in 2017. The company operates in the other service activities n.e.c. sector. Our database holds 63 signals from 14 official sources covering this company's filings, appointments, and regulatory records. Risk assessment: 91/100 ("robust"), reflecting a strong compliance and financial profile.

Key Facts

Status
Active
Company Type
Private Limited Company
Location
WOKINGHAM, RG41 5BN
Incorporated
16 Oct 2017
Accounts Category
FULL
Next Accounts Due
31 Dec 2026
Next Statement Due
29 Oct 2026

About NATIONAL ENERGY SYSTEM OPERATOR LIMITED

NATIONAL ENERGY SYSTEM OPERATOR LIMITED is an active private limited company incorporated in 2017, based in Wokingham, providing other service activities n.e.c., with 13 active officers.

Business Profile

Business Model
B2C

Company History

  • NATIONAL GRID ELECTRICITY SYSTEM OPERATOR LIMITEDChanged 1 Oct 2024

Directors (14)

View all
  • MF
    MR FINTAN CHARLES SLYE
    Director since 1 Mar 2019
  • MP
    MR PAUL JONATHAN PLUMMER
    Director since 1 Apr 2019
  • MK
    MRS KAYTE ANNE EVE LEGGE
    Director since 1 Apr 2019
  • MH
    MS HANNAH NIXON
    Director since 1 Apr 2019
  • MZ
    MRS ZOE ELISE MORRISSEY
    Secretary since 23 May 2019

Data Signals

View details
63
Total Signals
14
Data Sources
91/100
Risk Score

Good data coverage from 14 sources. Risk score of 91 indicates a strong compliance profile.

Financial
34
Compliance
19
Governance
4
ESG
3
innovation
2
corporate_structure
1

Industry Context

NATIONAL ENERGY SYSTEM OPERATOR LIMITED is 1 of 95 other service activities n.e.c. companies in WOKINGHAM, out of 111,491 active companies in this sector nationally (130,064 including dissolved).

9 yrs
Sector avg. age
58.9%
Older than peers
0.4%
Sector dissolution
Company: 9 yearsSector avg: 9 yrs
Older than 58.9% of active companies in this sector

Director Network

The 5 directors of NATIONAL ENERGY SYSTEM OPERATOR LIMITED are connected to 9 other companies.

None of these connected companies have been dissolved.

Property Portfolio

NATIONAL ENERGY SYSTEM OPERATOR LIMITED is listed as the proprietor of 5 properties in the HM Land Registry.

Properties are located in South East.

Regulatory Status

FCA Regulated
FRN: 1019276

Innovation & Grants

9
Grants awarded

NATIONAL ENERGY SYSTEM OPERATOR LIMITED has received 9 Innovate UK grants. This demonstrates a strong commitment to research and innovation.

Compliance & Trade

ICO Registered
LEI Registered
Modern Slavery Compliant

Payment Practices

Period ending 1 Sept 2025
20 days
Avg. payment time
79%
Paid within 30 days
2%
Paid after 60 days

NATIONAL ENERGY SYSTEM OPERATOR LIMITED pays invoices in an average of 20 days. 79% are paid within 30 days — a good payment track record.

Data Sources

This company profile is built from 14 official data sources: Ch Officers, Companies House, DWP, FCA Register, GLEIF, Gateway to Research, Gender Pay Gap Service, HM Land Registry, ICO, Innovate UK, Modern Slavery Registry, Payment Practices, SBTi, WHOIS.

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Frequently Asked Questions

What does NATIONAL ENERGY SYSTEM OPERATOR LIMITED do?

NATIONAL ENERGY SYSTEM OPERATOR LIMITED is an active private limited company incorporated in 2017, based in Wokingham, providing other service activities n.e.c., with 13 active officers..

Who are the directors of NATIONAL ENERGY SYSTEM OPERATOR LIMITED?

Current directors include MR FINTAN CHARLES SLYE, MR PAUL JONATHAN PLUMMER, MRS KAYTE ANNE EVE LEGGE and 2 more.

Where is NATIONAL ENERGY SYSTEM OPERATOR LIMITED registered?

NATIONAL ENERGY SYSTEM OPERATOR LIMITED is registered in WOKINGHAM, United Kingdom.

What is the SIC code for NATIONAL ENERGY SYSTEM OPERATOR LIMITED?

NATIONAL ENERGY SYSTEM OPERATOR LIMITED operates under SIC code 96090 — Other service activities n.e.c..

What is the risk score for NATIONAL ENERGY SYSTEM OPERATOR LIMITED?

NATIONAL ENERGY SYSTEM OPERATOR LIMITED has a risk score of 91 out of 100, classified as "Robust". This score is calculated from 63 data signals across 14 government sources.

When are the next accounts due for NATIONAL ENERGY SYSTEM OPERATOR LIMITED?

The next accounts for NATIONAL ENERGY SYSTEM OPERATOR LIMITED are due on 31 Dec 2026.

Was NATIONAL ENERGY SYSTEM OPERATOR LIMITED previously known by another name?

Yes, NATIONAL ENERGY SYSTEM OPERATOR LIMITED was previously known as NATIONAL GRID ELECTRICITY SYSTEM OPERATOR LIMITED.

Does NATIONAL ENERGY SYSTEM OPERATOR LIMITED own property in the UK?

Yes, NATIONAL ENERGY SYSTEM OPERATOR LIMITED is listed as the proprietor of 5 properties in the HM Land Registry, located in South East.

What is the other service activities n.e.c. sector like in the UK?

The dissolution rate for the other service activities n.e.c. sector in the UK is 0.4%. The average company age in this sector is 9 years.

Is NATIONAL ENERGY SYSTEM OPERATOR LIMITED still trading?

NATIONAL ENERGY SYSTEM OPERATOR LIMITED is currently listed as "Active" on Companies House, indicating it is still a registered company. An "Active" status means the company has not been dissolved, struck off, or entered into liquidation.

What type of company is NATIONAL ENERGY SYSTEM OPERATOR LIMITED?

NATIONAL ENERGY SYSTEM OPERATOR LIMITED is registered as a Private Limited Company, which is a company limited by shares whose shares are not offered to the general public. It is the most common type of UK company, offering limited liability to its shareholders.

How old is NATIONAL ENERGY SYSTEM OPERATOR LIMITED?

NATIONAL ENERGY SYSTEM OPERATOR LIMITED was incorporated on 16 Oct 2017, making it 9 years old. The company remains active and in good standing.

What industry does NATIONAL ENERGY SYSTEM OPERATOR LIMITED operate in?

NATIONAL ENERGY SYSTEM OPERATOR LIMITED is classified under SIC code 96090 (Other service activities n.e.c.). The Standard Industrial Classification system is used by the UK government to categorise businesses by their primary economic activity.

How much data is available on NATIONAL ENERGY SYSTEM OPERATOR LIMITED?

We track 63 data signals from 14 official government sources for NATIONAL ENERGY SYSTEM OPERATOR LIMITED.

Data verified: 12 Apr 2026 from 14 official sources · Data sourced from Ch Officers, Companies House, DWP, FCA Register, GLEIF, Gateway to Research, Gender Pay Gap Service, HM Land Registry, ICO, Innovate UK, Modern Slavery Registry, Payment Practices, SBTi, WHOIS and other official UK government databases. Verify on Companies House.