Company lists · Data refreshed September 2026

Top 24 Offshore electrical engineering firms based in London, United Kingdom

Name: Offshore electrical engineering 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 17, 2026 137 companies tracked

RevenueBase identified 137 company matches for offshore electrical engineering firms associated with London, United Kingdom as of September 2026 and tracks 4,931 professional contacts across them, including 1,517 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for offshore electrical engineering 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 17, 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 17, 2026 How this list was built

137Companies

4,931Contacts tracked

1,517Verified emails

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The 24 largest offshore electrical engineering firms based in London, United Kingdom

Ranked by team size

Top 24 of 137 company matches for offshore electrical engineering firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	ABL	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	804 contacts →
	Exact match “The Energy and Marine Consultants - an Aqualis company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Aureos	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	583 contacts →
	Exact match “Aureos is a multi-disciplinary energy, transport networks specialist and engineering services provider, spanning the design, engineering, installation, maintenance, and crisis…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	OWC	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	185 contacts →
	Exact match “The Renewable Energy Consultants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Wood Thilsted	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	175 contacts →
	Exact match “Wood Thilsted is a world-leading renewable energy engineering consultancy experienced and specialised in offshore wind.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Longitude Engineering	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	138 contacts →
	Exact match “The Engineering Consultants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Imca International Marine Contractors Association	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	134 contacts →
	Exact match “The International Marine Contractors Association (IMCA) is the global business association for construction and engineering companies working in offshore energy - both wind and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	CTS Offshore & Marine	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	106 contacts →
	Exact match “CTS Offshore & Marine Ltd is an independent provider of engineering services tailored for energy and material markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	ETA Projects LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	62 contacts →
	Exact match “Chosen to deliver, trusted to care - for 30 years we’ve worked with clients across a diverse range of sectors to deliver safe and sustainable engineering solutions that prioritise…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Cares Group	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	48 contacts →
	Exact match “We are an international Engineering consultant with a team of over 40 chartered engineers, environmentalists, Maritime experts, and technicians across West Africa, UK, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Precise Consultants	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	40 contacts →
	Exact match “Working offshore is unlike any other job; it takes a certain kind of person to excel in this complex and highly specialised world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Bpp-Tech Cables Renewables	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	35 contacts →
	Exact match “BPP-Tech \| Cables \| Renewables provides engineering services to the energy, maritime and defence sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Indepth International	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “Our global organic talent allows us to deliver specialized knowledge and solutions for offshore operations to our clients around the world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Solis Marine	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	29 contacts →
	Exact match “Solis Marine was established in 2012 to provide independent expert technical services to the shipping and wider maritime industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	London Marine Consultants LMC	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “London Marine Consultants (LMC) specialises in the engineering design and provision of mooring and subsea systems for FPSOs, FSRUs, FLNGs and FSOs, Floating Wind, Tidal and Wave…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Navitas Engineering LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “Navitas Engineering provides electrical engineering consultancy services to the railway and electricity supply industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	M.P.E. Power System Consultants	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “M.P.E.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Eltrade Electrical LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	23 contacts →
	Exact match “ELTRADE ELECTRICAL LTD is a civil engineering company” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	TMC Marine	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “TMC, a Bureau Veritas Group Company and leading international marine consultancy, has been providing advice and support to the marine and offshore energy industries since 1979.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	UK Power Engineers LTD Ukpe	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	16 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 17, 2026 · View company records in RevenueBase
20	SPL Construct LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “As fully qualified, time served electrical contractors, we have a wealth of knowledge in the electrical industry, predominantly carrying out a wide range of services from design…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Zeus Electrical Constructions	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “ZEUS is engaged in studies and electrical installations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Rail Power Solutions	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “Established in 2013, Rail Power Solutions (RPS) has grown rapidly to become a well-recognised and leading provider of electrical designs for the railway industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Zeefax Limited	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	9 contacts →
	Exact match “Zeefax Limited is an Electronic Manufacturing and Services company, delivering professional and cost-effective solutions to the drilling, power generation, marine, dredging and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Sehv Services Limited	Exact match	London, United KingdomHQ recorded Sep 17, 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 17, 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 “offshore electrical engineering 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 24 of 137 offshore electrical engineering firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,517 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore electrical engineering firms based in London, United Kingdom at a glance

As of Sep 17, 2026

30.8%Verified-email coverage

36.0Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

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 137 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 “offshore electrical engineering 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 1,517 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 17, 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.

Offshore electrical engineering firms by metro in the United Kingdom

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 “offshore electrical engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore electrical engineering firms are there based in London, United Kingdom?

RevenueBase identified 137 company matches for offshore electrical engineering 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?

ABL 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 offshore electrical engineering firms?

London leads the United Kingdom with 137 company records, followed by Aberdeen (118) and Manchester (30).

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 1,517 professional contacts with verified work emails tracked across these 137 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 17, 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.