Company lists · Data refreshed September 2026

Top 25 Electricity market consulting firms based in London, United Kingdom

Name: Electricity market consulting firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 119 companies tracked

RevenueBase identified 119 company matches for electricity market consulting firms associated with London, United Kingdom as of September 2026 and tracks 1,230 professional contacts across them, including 501 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for electricity market consulting firms associated with London, 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 September 28, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

119Companies

1,230Contacts tracked

501Verified emails

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The 25 largest electricity market consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 119 company matches for electricity market consulting firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Brook Green Supply	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	183 contacts →
	Exact match “As a trusted end-to-end partner in the energy space, Brook Green Supply delivers the insight and expertise our customers need to make informed decisions, transact energy with…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Nexanteca, Energy And Chemicals Advisory	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	58 contacts →
	Exact match “NexantECA, the Energy and Chemicals Advisory company is the leading advisor to the energy, refining, and chemical industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Advantage Utilities LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	50 contacts →
	Exact match “Advantage Utilities mission is to provide customers with a “One-Stop-Shop” for all their energy needs – with Market Leading Data/Expertise and Unrivalled “Drop Everything”…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Engage Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	48 contacts →
	Exact match “Energy Industry Experts We are subject matter experts in the energy sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	GAS Strategies	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	45 contacts →
	Exact match “In a world where speed is a competitive advantage, Gas Strategies accelerates your route to readiness.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Economic Consulting Associates ECA	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	33 contacts →
	Exact match “Economic Consulting Associates was formed in 1997 to provide economic and regulatory consulting services to industry and government.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Energex	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	27 contacts →
	Exact match “Energex is a specialist commercial advisory practice serving the energy sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Timera Energy	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	26 contacts →
	Exact match “Timera Energy provides senior consulting expertise on value and risk in European gas and power markets.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	SIRIO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “Sirio is a specialist consulting firm operating at the intersection of consumers, regulation and utilities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	M.P.E. Power System Consultants	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “M.P.E.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Martello Expert Services	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “Martello Expert Services is an independent consulting practice that provides expert witnesses in financial services, energy and commodities to the legal sector and their clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Matrica	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “We provide energy consultancy, data management, energy demand management and general forecasting systems for the power, gas and renewable sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Utility Data Intelligence LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “We are a new generation provider in the utility market, with innovative approach to consulting offering both energy as a service as well traditional support to partners and end…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Flow&ebb LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “We often talk to people in large businesses who are not getting the support they need to manage their energy costs well.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Syntillica	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	11 contacts →
	Exact match “Syntillica is an independent energy consultancy group with more than 200 talented experts with experience across more than 100 countries We provide Energy Experts on Demand across…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Utility Results LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Utility Infrastructure Planning, Utility Project Management, Utility Design & Utility & Energy Procurement Specialists” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Complete Strategy	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “Complete Strategy are now part of Flint Global.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	ESP Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “ESP Consulting is a specialist provider of advisory services to the energy sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	RGJ Consulting LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “RGJ is a Consulting Practice founded by Karl Pestell and Darren North in June 2018.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Holt Energy Advisors	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “HEA is an energy advisory company delivering expert commercial, legal and transaction advisory solutions to the energy sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Sehv Services Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “LV and HV Electrical Consultancy and Engineering Services to Renewable Energy Markets and Industrial and Commercial Sectors” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Lightinglives Consultants LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “LightingLives Consultants Limited is a premier energy consultant with a team of experts who give advice to business customers on their utilities accounts.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	UK Networks Services	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “We’re the UK’s leading independent grid experts, here to help you connect your electrification needs with your strategic goals.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Kuungana Advisory	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Kuungana Advisory is a consulting firm providing energy economics and commercial advisory services to public sector and private sector actors in the energy sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	EPEUS	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “Epeus provides niche consulting services to the Energy Industry.” Recorded in the RevenueBase company graph · Sep 28, 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 “electricity market consulting firms”. 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 119 electricity market consulting firms based in London, United Kingdom

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Electricity market consulting firms based in London, United Kingdom at a glance

As of Sep 28, 2026

40.7%Verified-email coverage

10.3Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 119 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 London, United Kingdom whose business descriptions match “electricity market consulting firms” 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 501 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 September 28, 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 “electricity market consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electricity market consulting firms are there based in London, United Kingdom?

RevenueBase identified 119 company matches for electricity market consulting firms associated with London, United Kingdom as of September 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?

Brook Green Supply tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most electricity market consulting firms?

London leads the United Kingdom with 119 company records, followed by Leicester (12) and Manchester (9).

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 501 professional contacts with verified work emails tracked across these 119 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 September 28, 2026.

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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.