Company lists · Data refreshed September 2026
Top 24 Utility asset management consulting firms based in London, United Kingdom
RevenueBase identified 65 utility asset management consulting firms headquartered in London, United Kingdom as of September 2026 and tracks 2,085 professional contacts across them, including 636 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers utility asset management consulting firms headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 24 largest utility asset management consulting firms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,007 contacts → | ||||
Indirect evidence “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 145 contacts → | ||||
Strong evidence “AMCL is recognised as the world’s leading specialist infrastructure, asset management and asset information consultancy.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 39 contacts → | ||||
Strong evidence “We are market leaders in technical asset management and subject matter experts.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 34 contacts → | ||||
Partial evidence “SIA Group is a leading asset valuation, advisory, and auction firm acquired by Gordon Brothers in 2025.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 25 contacts → | ||||
Strong evidence “Sirio is a specialist consulting firm operating at the intersection of consumers, regulation and utilities.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 22 contacts → | ||||
Partial evidence “Working across the full energy portfolio, we deliver solutions and capabilities in project management, project assurance, agile product teams, digital expertise, data…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 18 contacts → | ||||
Indirect evidence “MIAC Analytics Limited is an independent consultancy working across both the U.K.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 15 contacts → | ||||
Partial evidence “Avida International helps asset managers and their institutional clients extract maximum value out of their organisations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 10 contacts → | ||||
Strong evidence “Utility Infrastructure Planning, Utility Project Management, Utility Design & Utility & Energy Procurement Specialists” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 8 contacts → | ||||
Strong evidence “ELIAS provides customers with innovative, cutting edge asset management solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 contacts → | ||||
Partial evidence “Epeus provides niche consulting services to the Energy Industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 6 contacts → | ||||
Partial evidence “On 6th December 2021, Collaborative Project Management Services (CPMS) was acquired by French construction engineering and mobility services group, Egis, and changed its name to…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Partial evidence “Indassol, based in London and Dublin, is a consultancy firm providing manufacturers worldwide, with customised support services in the acquisition, management and resale of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Strong evidence “MaxIron: Asset Lifecycle & IBM Maximo Consulting Experts MaxIron specializes in Asset Lifecycle and IBM Maximo consulting, outsourcing, and support services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Partial evidence “Reson8 is the world’s only Operations Design Accelerators helping utilities and infrastructure leaders deliver a new operational design with a quantified case for change in 90…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Strong evidence “At JMM Energy Consulting, we work alongside Renewable Asset Owners, IPPs, O & Ms, and Asset Managers consulting on the management of programs and assets.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Indirect evidence “OLAX Engineering is a company with global aspirations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Indirect evidence “Established in 2019 by our founder, Fiona Reilly, who has over 30 years of experience in the energy sector, including nuclear and renewables, as well as expertise in…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Indirect evidence “A leading specialist consultancy providing value-driven solutions to major infrastructure owners and maintainers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Partial evidence “Consultancy and services for asset intensive businesses.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Strong evidence “Cutting AM leverages cutting-edge technology to revolutionise infrastructure asset management.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence “Headquartered in London, HAS 360 is a collaboration of industry renowned and award-winning Experts, employing their collective global knowledge to address challenges within local…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Partial evidence “A consultancy offering the services that will ensure utilities and engineering systems are conceived, designed, installed and commissioned for longevity and efficiency.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: utility asset management consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names utility asset management consulting firms.
- Partial evidence
- Its own public description names part of utility asset management consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name utility asset management consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 24 of 65 utility asset management consulting firms based in London, United Kingdom
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Utility asset management consulting firms based in London, United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
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 65 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among utility asset management consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in London, United Kingdom whose own description of what they do matches “utility asset management consulting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names utility asset management consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among utility asset management consulting firms, and records with no verified work email. Companies headquartered outside London are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 636 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names utility asset management consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many utility asset management consulting firms are there based in London, United Kingdom?
RevenueBase identified 65 utility asset management consulting firms headquartered in London, United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Penspen, headquartered in London, tops this list with the largest team on record.
Which city in the United Kingdom has the most utility asset management consulting firms?
London leads the United Kingdom with 65 headquartered companies, followed by Manchester (12) and Aberdeen (9).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 636 verified decision-maker contacts tracked across these 65 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.
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