Company lists · Data refreshed September 2026

Top 25 Grid resilience consulting firms based in the United Kingdom

Name: Grid resilience 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 170 companies tracked

RevenueBase identified 170 company matches for grid resilience consulting firms associated with the United Kingdom as of September 2026 and tracks 6,260 professional contacts across them, including 1,670 with verified work emails. London is the largest hub.

This list covers company matches for grid resilience 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

170Companies

6,260Contacts tracked

1,670Verified emails

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

Ranked by team size

Top 25 of 170 company matches for grid resilience 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	Penspen	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,007 contacts →
	Exact match “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Marston Holdings	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	728 contacts →
	Exact match “We support the government, utilities and private sectors through the delivery of market leading integrated technology-enabled solutions from design and implementation to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Vysus Group	Exact match	Westhill, United KingdomHQ recorded Sep 28, 2026	51-200	415 contacts →
	Exact match “Vysus Group is an engineering and technical consultancy, offering specialist asset performance, risk management and project management expertise across complex industrial assets…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	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
5	LCP Delta	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	137 contacts →
	Exact match “We help our clients to invest in and navigate the energy transition.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	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
7	Everoze	Exact match	Bristol, United KingdomHQ recorded Sep 28, 2026	51-200	100 contacts →
	Exact match “Everoze is an employee-owned renewables, green hydrogen and storage consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Decision Analysis Services DAS	Exact match	Basingstoke, United KingdomHQ recorded Sep 28, 2026	51-200	76 contacts →
	Exact match “We exist to enable informed and robust decision-making by owners and operators of critical national infrastructure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Reactive Technologies Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	66 contacts →
	Exact match “Reactive Technologies (RTL) is a global Grid-Enhancing Technologies (GETs) company addressing the challenges of energy transition, electrification and accelerating load growth.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	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
11	Carbonxgen Limited	Exact match	Sandhurst, United KingdomHQ recorded Sep 28, 2026	11-50	49 contacts →
	Exact match “Carbonxgen is a leading consultancy that specialises in solving complex energy and sustainability challenges.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	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
13	AVA Energy	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	47 contacts →
	Exact match “AVA Energy – Powering Energy Talent.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	OUR Footprints LTD	Exact match	Bristol, United KingdomHQ recorded Sep 28, 2026	11-50	32 contacts →
	Exact match “Our Footprints combines a small and dedicated group of highly experienced and qualified Engineers/ Project Managers.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	RAB Consultants	Exact match	Lichfield, United KingdomHQ recorded Sep 28, 2026	11-50	31 contacts →
	Exact match “RAB are dedicated to increasing resilience and reducing flood risk.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	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
17	Cairn Risk	Exact match	Glasgow, United KingdomHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “Cairn Risk Consulting was established to meet the growing demand for pragmatic and proportionate risk management support to enable the transition to net carbon zero in a safe…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	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
19	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
20	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
21	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
22	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
23	Premier Energy Services LTD	Exact match	Billingshurst, United KingdomHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “We are experts in utility networks with products that support planning and site assessment as well as enabling safe working and procurement of utility work.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Mercia Power	Exact match	Nottingham, United KingdomHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “Mercia Power is a utilities company based in Nottingham, United Kingdom.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	RMRI	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “RMRI’s experience in the evaluation and assessment of risk in energy sector operations and transition helps clients to understand and navigate the complex decisions that must be…” 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 resilience 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 170 grid resilience consulting firms based in the United Kingdom

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

As of Sep 28, 2026

26.7%Verified-email coverage

36.8Average contacts per company

1-10Median size (employees)

31.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

108

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 170 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 resilience 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 1,670 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.

Grid resilience consulting firms by metro

Grid resilience consulting firms in London53

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 resilience consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 170 company matches for grid resilience 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?

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

Which city has the most grid resilience consulting firms?

London leads with 53 company records, followed by Edinburgh (6) and Manchester (6).

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 1,670 professional contacts with verified work emails tracked across these 170 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.