Company lists · Data refreshed November 2026
Top 25 Distribution system operators based in the United Kingdom
RevenueBase identified 44 company matches for distribution system operators associated with the United Kingdom as of November 2026 and tracks 45,637 professional contacts across them, including 18,767 with verified work emails. London is the largest hub.
This list covers company matches for distribution system operators associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest distribution system operators based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 26,526 contacts → | ||||
Exact match “We power the lives of millions of people across Britain, New York and Massachusetts, moving energy from where it’s made to the communities that need it, every single day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 4,460 contacts → | ||||
Exact match “It's on us to make new energy work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 3,201 contacts → | ||||
Exact match “UK Power Networks is a Distribution Network Operator providing power to a quarter of the UK's population.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,798 contacts → | ||||
Exact match “We transmit, distribute and connect electricity to and from 3.5 million homes and businesses over our network, 24 hours a day, every day of the year.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,497 contacts → | ||||
Exact match “Want to be part of the People Behind the Power?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,458 contacts → | ||||
Exact match “We own and operate the North West's electricity distribution network.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,157 contacts → | ||||
Exact match “We're responsible for maintaining the electricity networks supplying over 3.9 million homes and businesses across central southern England and north of the Central Belt of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 795 contacts → | ||||
Exact match “We are Wales & West Utilities, your gas emergency and pipeline service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 760 contacts → | ||||
Exact match “NIE Networks is responsible for the safe, secure and reliable supply of electricity to homes, farms and businesses across Northern Ireland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 740 contacts → | ||||
Exact match “Freedom is a leading provider of facilities and power engineering services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 482 contacts → | ||||
Exact match “Western Power Distribution is the electricity distribution network operator for the Midlands, South West England and South Wales, serving 7.9 million customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 235 contacts → | ||||
Exact match “As the Electricity System Operator (ESO) for Great Britain, we sit at the heart of the nation’s energy system, running electricity networks safely and efficiently, minute by…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 114 contacts → | ||||
Exact match “Excalon is one of the Britain’s leading UK Electrical Utility Service Providers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 110 contacts → | ||||
Exact match “Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 92 contacts → | ||||
Exact match “ESP Utilities Group Ltd is licensed to operate gas and electricity networks by the industry regulator Ofgem and has helped thousands across the country to make the connection.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 65 contacts → | ||||
Exact match “Energy Networks Association (ENA) is the industry body representing the energy networks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 50 contacts → | ||||
Exact match “Aurora is an Independent Distribution Network Operator (IDNO) regulated by Ofgem.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 12 contacts → | ||||
Exact match “UK Power Distribution Ltd is an Independent Distribution Network Operator (IDNO).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “EME Power Systems Limited is a leading national provider of power distribution services to business and industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “We specialise in multi utility installations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “At Hardtech HV we create, maintain, service, upgrade and connect all manner of High Voltage Distribution Networks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “EnDCo is the brand name of EPG Energy Limited, a UK-based energy supply business operating in the corporate sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Bryn Mawr is a key partner to network operators and independents, providing innovative and creative solutions for land rights and other grantor related permissions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “We’re proud of our heritage, our skills, our knowledge and our desire to offer the best service to our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “distribution system operators”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 44 distribution system operators based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 18,767 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Distribution system operators based in the United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 44 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “distribution system operators” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 18,767 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “distribution system operators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many distribution system operators are there based in the United Kingdom?
RevenueBase identified 44 company matches for distribution system operators associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
National Grid tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most distribution system operators?
London leads with 6 company records, followed by Belfast (3) and Chelmsford (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 18,767 professional contacts with verified work emails tracked across these 44 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 44 distribution system operators based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Distribution system operators by geography
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Distribution system operators based in Canada
- Distribution system operators based in France
- Distribution system operators based in Germany
- Distribution system operators based in Italy
- Distribution system operators based in Norway
- Distribution system operators based in the United States
Company intelligence · public preview
Top 25 distribution system operators based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 44 matching company records for distribution system operators based in the United Kingdom, with 45,637 tracked contacts and 18,767 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 distribution system operators based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  National Gridnationalgrid.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 26,526 contacts → |
“We power the lives of millions of people across Britain, New York and Massachusetts, moving energy from where it’s made to the communities that need it, every single day.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  E.On UKeonenergy.comHQ: Coventry, United KingdomReported employees: 10001+ | Coventry, United Kingdom | 10001+ | Exact match | 4,460 contacts → |
“It's on us to make new energy work.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  UK Power Networksukpowernetworks.co.ukHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 3,201 contacts → |
“UK Power Networks is a Distribution Network Operator providing power to a quarter of the UK's population.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  SP Energy Networksspenergynetworks.co.ukHQ: Glasgow, United KingdomReported employees: 1,001-5,000 | Glasgow, United Kingdom | 1,001-5,000 | Exact match | 1,798 contacts → |
“We transmit, distribute and connect electricity to and from 3.5 million homes and businesses over our network, 24 hours a day, every day of the year.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Northern Powergridnorthernpowergrid.comHQ: Newcastle, United KingdomReported employees: 1,001-5,000 | Newcastle, United Kingdom | 1,001-5,000 | Exact match | 1,497 contacts → |
“Want to be part of the People Behind the Power?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  SP Electricity North Westenwl.co.ukHQ: North West England, United KingdomReported employees: 1,001-5,000 | North West England, United Kingdom | 1,001-5,000 | Exact match | 1,458 contacts → |
“We own and operate the North West's electricity distribution network.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Perth, United KingdomReported employees: 1,001-5,000 | Perth, United Kingdom | 1,001-5,000 | Exact match | 1,157 contacts → |
“We're responsible for maintaining the electricity networks supplying over 3.9 million homes and businesses across central southern England and north of the Central Belt of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Wales & West Utilitieswwutilities.co.ukHQ: Newport, United KingdomReported employees: 1,001-5,000 | Newport, United Kingdom | 1,001-5,000 | Exact match | 795 contacts → |
“We are Wales & West Utilities, your gas emergency and pipeline service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  NIE Networksnienetworks.co.ukHQ: Belfast, United KingdomReported employees: 1,001-5,000 | Belfast, United Kingdom | 1,001-5,000 | Exact match | 760 contacts → |
“NIE Networks is responsible for the safe, secure and reliable supply of electricity to homes, farms and businesses across Northern Ireland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Freedomngbailey.comHQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 740 contacts → |
“Freedom is a leading provider of facilities and power engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Western Power Distributionwesternpower.co.ukHQ: Bristol, United KingdomReported employees: 5,001-10,000 | Bristol, United Kingdom | 5,001-10,000 | Exact match | 482 contacts → |
“Western Power Distribution is the electricity distribution network operator for the Midlands, South West England and South Wales, serving 7.9 million customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  National Grid ESOnationalgrideso.comHQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 235 contacts → |
“As the Electricity System Operator (ESO) for Great Britain, we sit at the heart of the nation’s energy system, running electricity networks safely and efficiently, minute by…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Excalon LTDexcalon.comHQ: Salford, United KingdomReported employees: 201-500 | Salford, United Kingdom | 201-500 | Exact match | 114 contacts → |
“Excalon is one of the Britain’s leading UK Electrical Utility Service Providers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Rock Power Connections LTDrockpowerconnections.co.ukHQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ESP Utilities Group LTDespug.com HQ: Leatherhead, United KingdomReported employees: 51-200 | Leatherhead, United Kingdom | 51-200 | Exact match | 92 contacts → |
“ESP Utilities Group Ltd is licensed to operate gas and electricity networks by the industry regulator Ofgem and has helped thousands across the country to make the connection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Energy Networks Association ENAenergynetworks.orgHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 65 contacts → |
“Energy Networks Association (ENA) is the industry body representing the energy networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Aurora Utilitiesaurora-utilities.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 50 contacts → |
“Aurora is an Independent Distribution Network Operator (IDNO) regulated by Ofgem.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  UK Power Distributionukpowerdistribution.co.ukHQ: Daresbury, United KingdomReported employees: 11-50 | Daresbury, United Kingdom | 11-50 | Exact match | 12 contacts → |
“UK Power Distribution Ltd is an Independent Distribution Network Operator (IDNO).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  EME Power Systems Limitedemepowersystems.co.ukHQ: Sleaford, United KingdomReported employees: 11-50 | Sleaford, United Kingdom | 11-50 | Exact match | 9 contacts → |
“EME Power Systems Limited is a leading national provider of power distribution services to business and industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  U4 Groupu4group.co.ukHQ: Holton Heath Poole, United KingdomReported employees: 11-50 | Holton Heath Poole, United Kingdom | 11-50 | Exact match | 8 contacts → |
“We specialise in multi utility installations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Hardtech High Voltage HVhardtech-hv.comHQ: Alderley Edge, United KingdomReported employees: 51-200 | Alderley Edge, United Kingdom | 51-200 | Exact match | 7 contacts → |
“At Hardtech HV we create, maintain, service, upgrade and connect all manner of High Voltage Distribution Networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ENDCOendco.co.ukHQ: Chelmsford, United KingdomReported employees: 11-50 | Chelmsford, United Kingdom | 11-50 | Exact match | 7 contacts → |
“EnDCo is the brand name of EPG Energy Limited, a UK-based energy supply business operating in the corporate sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Bryn Mawr LTDbrynmawrltd.co.ukHQ: Tal Y Cafn, United KingdomReported employees: 1-10 | Tal Y Cafn, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Bryn Mawr is a key partner to network operators and independents, providing innovative and creative solutions for land rights and other grantor related permissions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Scottsscottses.comHQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 2 contacts → |
“We’re proud of our heritage, our skills, our knowledge and our desire to offer the best service to our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Avidety LTDavidety.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 44 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Distribution system operators: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
41 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 44 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for distribution system operators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many distribution system operators did RevenueBase find based in the United Kingdom?
The saved snapshot records 44 matching company records, 45,637 tracked contacts and 18,767 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Distribution system operators by geography
Cite this list
RevenueBase Data Team. Top 25 distribution system operators based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/distribution-system-operators/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Distribution system operators based in Canada
- Distribution system operators based in France
- Distribution system operators based in Germany
- Distribution system operators based in Italy
- Distribution system operators based in Norway
- Distribution system operators based in the United States
Company intelligence · public preview
Top 25 distribution system operators based in the United Kingdom
RevenueBase records 44 matching company records for distribution system operators based in the United Kingdom, with 45,637 tracked contacts and 18,767 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 distribution system operators based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | National Gridnationalgrid.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 26,526 contacts → |
“We power the lives of millions of people across Britain, New York and Massachusetts, moving energy from where it’s made to the communities that need it, every single day.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | E.On UKeonenergy.com HQ: Coventry, United KingdomReported employees: 10001+ | Coventry, United Kingdom | 10001+ | Exact match | 4,460 contacts → |
“It's on us to make new energy work.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | UK Power Networksukpowernetworks.co.uk HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 3,201 contacts → |
“UK Power Networks is a Distribution Network Operator providing power to a quarter of the UK's population.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SP Energy Networksspenergynetworks.co.uk HQ: Glasgow, United KingdomReported employees: 1,001-5,000 | Glasgow, United Kingdom | 1,001-5,000 | Exact match | 1,798 contacts → |
“We transmit, distribute and connect electricity to and from 3.5 million homes and businesses over our network, 24 hours a day, every day of the year.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Northern Powergridnorthernpowergrid.com HQ: Newcastle, United KingdomReported employees: 1,001-5,000 | Newcastle, United Kingdom | 1,001-5,000 | Exact match | 1,497 contacts → |
“Want to be part of the People Behind the Power?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | SP Electricity North Westenwl.co.uk HQ: North West England, United KingdomReported employees: 1,001-5,000 | North West England, United Kingdom | 1,001-5,000 | Exact match | 1,458 contacts → |
“We own and operate the North West's electricity distribution network.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Perth, United KingdomReported employees: 1,001-5,000 | Perth, United Kingdom | 1,001-5,000 | Exact match | 1,157 contacts → |
“We're responsible for maintaining the electricity networks supplying over 3.9 million homes and businesses across central southern England and north of the Central Belt of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wales & West Utilitieswwutilities.co.uk HQ: Newport, United KingdomReported employees: 1,001-5,000 | Newport, United Kingdom | 1,001-5,000 | Exact match | 795 contacts → |
“We are Wales & West Utilities, your gas emergency and pipeline service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NIE Networksnienetworks.co.uk HQ: Belfast, United KingdomReported employees: 1,001-5,000 | Belfast, United Kingdom | 1,001-5,000 | Exact match | 760 contacts → |
“NIE Networks is responsible for the safe, secure and reliable supply of electricity to homes, farms and businesses across Northern Ireland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Freedomngbailey.com HQ: Leeds, United KingdomReported employees: 1,001-5,000 | Leeds, United Kingdom | 1,001-5,000 | Exact match | 740 contacts → |
“Freedom is a leading provider of facilities and power engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Western Power Distributionwesternpower.co.uk HQ: Bristol, United KingdomReported employees: 5,001-10,000 | Bristol, United Kingdom | 5,001-10,000 | Exact match | 482 contacts → |
“Western Power Distribution is the electricity distribution network operator for the Midlands, South West England and South Wales, serving 7.9 million customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | National Grid ESOnationalgrideso.com HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 235 contacts → |
“As the Electricity System Operator (ESO) for Great Britain, we sit at the heart of the nation’s energy system, running electricity networks safely and efficiently, minute by…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Excalon LTDexcalon.com HQ: Salford, United KingdomReported employees: 201-500 | Salford, United Kingdom | 201-500 | Exact match | 114 contacts → |
“Excalon is one of the Britain’s leading UK Electrical Utility Service Providers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rock Power Connections LTDrockpowerconnections.co.uk HQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ESP Utilities Group LTDespug.com HQ: Leatherhead, United KingdomReported employees: 51-200 | Leatherhead, United Kingdom | 51-200 | Exact match | 92 contacts → |
“ESP Utilities Group Ltd is licensed to operate gas and electricity networks by the industry regulator Ofgem and has helped thousands across the country to make the connection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Energy Networks Association ENAenergynetworks.org HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 65 contacts → |
“Energy Networks Association (ENA) is the industry body representing the energy networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Aurora Utilitiesaurora-utilities.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 50 contacts → |
“Aurora is an Independent Distribution Network Operator (IDNO) regulated by Ofgem.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | UK Power Distributionukpowerdistribution.co.uk HQ: Daresbury, United KingdomReported employees: 11-50 | Daresbury, United Kingdom | 11-50 | Exact match | 12 contacts → |
“UK Power Distribution Ltd is an Independent Distribution Network Operator (IDNO).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | EME Power Systems Limitedemepowersystems.co.uk HQ: Sleaford, United KingdomReported employees: 11-50 | Sleaford, United Kingdom | 11-50 | Exact match | 9 contacts → |
“EME Power Systems Limited is a leading national provider of power distribution services to business and industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | U4 Groupu4group.co.uk HQ: Holton Heath Poole, United KingdomReported employees: 11-50 | Holton Heath Poole, United Kingdom | 11-50 | Exact match | 8 contacts → |
“We specialise in multi utility installations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hardtech High Voltage HVhardtech-hv.com HQ: Alderley Edge, United KingdomReported employees: 51-200 | Alderley Edge, United Kingdom | 51-200 | Exact match | 7 contacts → |
“At Hardtech HV we create, maintain, service, upgrade and connect all manner of High Voltage Distribution Networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ENDCOendco.co.uk HQ: Chelmsford, United KingdomReported employees: 11-50 | Chelmsford, United Kingdom | 11-50 | Exact match | 7 contacts → |
“EnDCo is the brand name of EPG Energy Limited, a UK-based energy supply business operating in the corporate sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Bryn Mawr LTDbrynmawrltd.co.uk HQ: Tal Y Cafn, United KingdomReported employees: 1-10 | Tal Y Cafn, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Bryn Mawr is a key partner to network operators and independents, providing innovative and creative solutions for land rights and other grantor related permissions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Scottsscottses.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 2 contacts → |
“We’re proud of our heritage, our skills, our knowledge and our desire to offer the best service to our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Avidety LTDavidety.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 44 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Distribution system operators: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
41 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 44 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for distribution system operators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many distribution system operators did RevenueBase find based in the United Kingdom?
The saved snapshot records 44 matching company records, 45,637 tracked contacts and 18,767 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Distribution system operators by geography
Cite this list
RevenueBase Data Team. Top 25 distribution system operators based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/distribution-system-operators/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Distribution system operators based in Canada
- Distribution system operators based in France
- Distribution system operators based in Germany
- Distribution system operators based in Italy
- Distribution system operators based in Norway
- Distribution system operators based in the United States