Company lists · Data refreshed September 2026

Top 25 Grid resilience consulting firms based in London, United Kingdom

Name: Grid resilience 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 53 companies tracked

RevenueBase identified 53 company matches for grid resilience consulting firms associated with London, United Kingdom as of September 2026 and tracks 2,385 professional contacts across them, including 848 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for grid resilience 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

53Companies

2,385Contacts tracked

848Verified emails

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The 25 largest grid resilience consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 53 company matches for grid resilience 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	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	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
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	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
6	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
7	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
8	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
9	Future Energy Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	12 contacts →
	Exact match “ENERGY TRANSITION We provide clean energy options and practical solutions for our clients, and pride ourselves in being a consultancy that is dedicated to delivering today’s…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	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
11	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
12	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
13	Aldbury International	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Aldbury International are Operational Resilience specialists who, as a unique multi-disciplinary team, support firms in the financial sector demonstrate that they have robust and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	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
15	Resilienc	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “ResilienC helps you take a data-led approach to optimise your resilience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Resilius Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “Resilius Consulting is a specialist, UK-based consultancy firm offering professional services in the field of business resilience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Energy Potential Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Energy Potential was created by Gary Huish and Andy Pace who have over 40 years’ experience in the UK Energy Sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	ASL Global	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “ASL Global provides specialist services in the energy and high consequence sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	BJD Consulting Engineers	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “We are a consulting engineers company who provides specialised design, planning, and advisory services related to electrical systems in buildings, infrastructure, environmental…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Trident Nero	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “Trident Nero helps organisations identify the risks and vulnerabilities hidden inside the way they operate, before they surface as performance failures, delivery crises, or…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	The Ulin Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “As a business owner you keep a firm handle on daily operations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Axonas	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “Axonas is a UK-based specialist consultancy delivering advanced engineering and advisory solutions to clients worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Operational Intelligence LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “OI offer consultancy services and training in risk and energy assessments to help clients improve critical facility performance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Sscg Energy	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “SSCG Energy help energy sector clients deliver affordable, reliable, and sustainable energy supply projects needed to end extreme poverty and promote shared prosperity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Watt-Logic	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Helping clients navigate a complex and fast-changing energy environment Working with businesses across the energy value chain to capture the commercial opportunities of the energy…” 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 53 grid resilience consulting firms based in London, United Kingdom

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Grid resilience consulting firms based in London, United Kingdom at a glance

As of Sep 28, 2026

35.6%Verified-email coverage

45.0Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 53 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 “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 848 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 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 London, United Kingdom?

RevenueBase identified 53 company matches for grid resilience 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?

Penspen 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 grid resilience consulting firms?

London leads the United Kingdom 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 848 professional contacts with verified work emails tracked across these 53 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.