Company lists · Data refreshed September 2026

Top 25 Grid stability consulting firms based in the United Kingdom

Name: Grid stability consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 105 companies tracked

RevenueBase identified 105 company matches for grid stability consulting firms associated with the United Kingdom as of September 2026 and tracks 1,584 professional contacts across them, including 550 with verified work emails. London is the largest hub.

This list covers company matches for grid stability consulting firms 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 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

105Companies

1,584Contacts tracked

550Verified emails

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The 25 largest grid stability consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 105 company matches for grid stability consulting firms based in the 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	Brush Group	Exact match	Loughborough, United KingdomHQ recorded Sep 28, 2026	501-1,000	367 contacts →
	Exact match “We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	TNEI	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	51-200	150 contacts →
	Exact match “TNEI is an independent specialist energy consultancy providing technical, strategic, environmental and consenting advice to organisations operating within the conventional and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Powersystems	Exact match	Bristol, United KingdomHQ recorded Sep 28, 2026	51-200	126 contacts →
	Exact match “Powered by People.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Camlin Energy	Exact match	Lisburn, United KingdomHQ recorded Sep 28, 2026	501-1,000	108 contacts →
	Exact match “Empowering Your Tomorrow.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Kelvin Power Member Of Vinci Energies	Exact match	Leicester, United KingdomHQ recorded Sep 28, 2026	51-200	57 contacts →
	Exact match “Kelvin Power provides expert advice and design solutions to the global power industry and the renewable energy sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Noriker Power LTD	Exact match	Cheltenham, United KingdomHQ recorded Sep 28, 2026	51-200	43 contacts →
	Exact match “With rocketing fossil energy prices driving a cost of living crisis, the renewable energy transition has never been in greater focus.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Enspec Power LTD	Exact match	St. Helens, United KingdomHQ recorded Sep 28, 2026	11-50	37 contacts →
	Exact match “Hello, we’re Enspec.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	EDS HV Group	Exact match	Haslingden, United KingdomHQ recorded Sep 28, 2026	51-200	37 contacts →
	Exact match “High Voltage Engineering Solutions, from conceptual design, through to installation and O&M.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Green Frog Connect	Exact match	Weston-super-mare, United KingdomHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “Green Frog Connect are one of the leading providers of high-voltage connections to the electricity grid, specialising in building renewable and conventional power-generation…” 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	PSE 2 Consulting	Exact match	Bristol, United KingdomHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “PSE 2 Consulting is an independent power systems consultancy firm offering tailored solutions to meet the challenges and economic pressures present in the power industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Utilligence LTD	Exact match	Haywards Heath, United KingdomHQ recorded Sep 28, 2026	51-200	19 contacts →
	Exact match “Utilligence is a leading consultancy in net zero solutions, supporting companies and grid operators in their journey to decarbonise the power we depend on.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Roadnight Taylor Certified B Corp	Exact match	Burford, United KingdomHQ recorded Sep 28, 2026	1-10	19 contacts →
	Exact match “Complex electricity grid connection challenges can derail critical infrastructure projects worth hundreds of millions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Apstechs UK LTD	Exact match	Colchester, United KingdomHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “We are an Electrical Substation Designer based with providing consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	PSS Power Engineering LTD	Exact match	Winchester, United KingdomHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “PSS POWER ENGINEERING LTD is a high-voltage electrical engineering company based in South East England, United Kingdom.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Power Transmission & Distribution	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “PaE T&D is a Power Transmission and Distribution Design Consultancy” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	HV Energy Solutions LTD	Exact match	Norwich, United KingdomHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “Our distinct expertise lies in designing, engineering, maintaining, installing, testing and commissioning high-voltage substations, electrical transmission and distribution…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	British Power International	Exact match	Colchester, United KingdomHQ recorded Sep 28, 2026	51-200	13 contacts →
	Exact match “BPI is a long established and experienced energy sector consultancy business, offering a range of services in the planning, design, construction, operation and regulation of power…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	The Greenspan Agency	Exact match	Edinburgh City, United KingdomHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Working across the energy transition, we help our clients develop and operate renewable energy systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Smpnet	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	11 contacts →
	Exact match “SMPnet’s Omega technology suite is a core platform for advanced power system optimisation and control across modern energy networks.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	London Energy Consultants	Exact match	Slough, United KingdomHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “LEC provides a highly responsive and flexible service that allows you to make technical and investment decisions with confidence at any time during the project life cycle.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Aurora Power Consulting	Exact match	Bristol, United KingdomHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match “Aurora Power Consulting is an electrical engineering consultancy, that specialises in power systems analysis and modelling.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Gridsource	Exact match	Henlow, United KingdomHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Gridsource is a specialist consultancy providing Grid Advisory, Design, and Delivery for UK grid‑connected electrical infrastructure projects.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	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
25	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

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 “grid stability 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 105 grid stability consulting firms based in the United Kingdom

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Grid stability consulting firms based in the United Kingdom at a glance

As of Sep 28, 2026

34.7%Verified-email coverage

15.1Average contacts per company

1-10Median size (employees)

18.1%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 105 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 “grid stability 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 550 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 “grid stability consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid stability consulting firms are there based in the United Kingdom?

RevenueBase identified 105 company matches for grid stability consulting firms associated with the 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?

Brush Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most grid stability consulting firms?

London leads with 19 company records, followed by Manchester (6) and Bristol (5).

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 550 professional contacts with verified work emails tracked across these 105 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.