Company lists · Data refreshed September 2026

Top 20 Hydropower consulting firms based in London, United Kingdom

RevenueBase identified 46 company matches for hydropower consulting firms associated with London, United Kingdom as of September 2026 and tracks 3,435 professional contacts across them, including 1,423 with verified work emails and 264 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for hydropower 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 12, 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 12, 2026 How this list was built
46Companies
3,435Contacts tracked
1,423Verified emails
264Mobile numbers
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The 20 largest hydropower consulting firms based in London, United Kingdom

Ranked by team size
Top 20 of 46 company matches for hydropower consulting firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 12, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 12, 20261,001-5,0001,194 contacts →

Exact match

“Faithful+Gould is now AtkinsRéalis.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 12, 20261,001-5,0001,007 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 12, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 12, 20261,001-5,000563 contacts →

Exact match

“Waterman Group is a multidisciplinary consultancy providing sustainable solutions to meet the planning, engineering design and project delivery needs of the property…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 12, 202651-200185 contacts →

Exact match

“The Renewable Energy Consultants.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 12, 202651-200176 contacts →

Exact match

“Founded in 2015, Juru is an international engineering and consultancy firm with a mission to solve engineering and environmental problems.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-5041 contacts →

Exact match

“A dynamic international engineering consultancy company providing project management, technical assistance, capacity-building and design services for the development of…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-5025 contacts →

Exact match

“M.P.E.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-5016 contacts →

Exact match

“GTL delivers focused engineering, technical advisory, and project execution services for investors, EPC contractors, and asset owners operating in complex, capital-intensive…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-5016 contacts →

Exact match

“UK Power Engineers (UKPE) is a professional services firm established in 2013, specializing in turnkey design, engineering, and consultancy solutions for the UK and international…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 12, 20261,001-5,00011 contacts →

Exact match

“Kantor Energy offers sustainable engineering services to clients across all sectors.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-108 contacts →

Exact match

“Infrasia Capital is a London based infrastructure advisory firm specialising in projects in Central Asia.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 12, 202651-2006 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-105 contacts →

Exact match

“Backstop Advisory provides commercial and technical advisory services to energy projects.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-104 contacts →

Exact match

“Mechanical, Electrical, Public Health, Sustainability Design Consultants”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-103 contacts →

Exact match

“Almax Partners is an independent advisory business, with particular expertise in engineering, renewable energy and clean technology.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 12, 202611-503 contacts →

Exact match

“OLAX Engineering is a company with global aspirations.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-102 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 12, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-102 contacts →

Exact match

“Consulting Engineers providing flood risk and drainage advice to the development industry.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-102 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 12, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 12, 20261-101 contacts →

Exact match

“We provide technical expertise, commercial advisory and project management consultancy, across the clean energy value chain – enabling successful investments and sustainable…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase

Showing 20 of 46 hydropower consulting firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,423 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hydropower consulting firms based in London, United Kingdom at a glance

As of Sep 12, 2026
41.4%Verified-email coverage
7.7%Mobile-number coverage
74.7Average contacts per company
11-50Median size (employees)
Sep 12, 2026Page data refreshed

Companies by employee count

1-10
20
11-50
15
51-200
6
501-1,000
1
1,001-5,000
4

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 14.0d

Company record updated

Median 77.0d

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 “hydropower 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 1,423 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 12, 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 “hydropower consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 46 company matches for hydropower 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?

Faithful Gould 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 hydropower consulting firms?

London leads the United Kingdom with 60 company records, followed by Glasgow (9) and Manchester (7).

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 1,423 professional contacts with verified work emails tracked across these 46 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 12, 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.