Company lists · Data refreshed September 2026

Top 25 Nuclear facility engineering firms based in the United Kingdom

Name: Nuclear facility engineering 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 17, 2026 82 companies tracked

RevenueBase identified 82 company matches for nuclear facility engineering firms associated with the United Kingdom as of September 2026 and tracks 16,669 professional contacts across them, including 5,266 with verified work emails. Bristol is the largest hub.

This list covers company matches for nuclear facility engineering 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 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

82Companies

16,669Contacts tracked

5,266Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest nuclear facility engineering firms based in the United Kingdom

Ranked by team size

Top 25 of 82 company matches for nuclear facility engineering firms based in the 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	Atkins	Exact match	Epsom, United KingdomHQ recorded Sep 17, 2026	10001+	9,297 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Cavendish Nuclear	Exact match	Birchwood, United KingdomHQ recorded Sep 17, 2026	5,001-10,000	1,592 contacts →
	Exact match “Cavendish Nuclear is a core part of Babcock International Group’s Nuclear Sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Urenco Global	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	539 contacts →
	Exact match “Urenco is an international supplier of enrichment services and fuel cycle products with sustainability at the core of its business.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	NSG Environmental LTD	Exact match	Chorley, United KingdomHQ recorded Sep 17, 2026	501-1,000	297 contacts →
	Exact match “We support our clients by delivering safe, practical and efficient solutions to complex nuclear challenges, with a strong focus on disposability.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Veolia Nuclear Solutions	Exact match	Abingdon, United KingdomHQ recorded Sep 17, 2026	501-1,000	284 contacts →
	Exact match “Veolia’s Nuclear Expertise: As part of the global Veolia Group, we deliver integrated nuclear solutions that combine cutting-edge technology, engineering excellence, and decades…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Framatome UK	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	201-500	181 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	DBD International	Exact match	Birchwood, United KingdomHQ recorded Sep 17, 2026	51-200	169 contacts →
	Exact match “DBD is an independent global enterprise providing innovative solutions to complex technical, engineering and strategic challenges in highly regulated industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Orano Limited	Exact match	Abingdon, United KingdomHQ recorded Sep 17, 2026	51-200	80 contacts →
	Exact match “Orano transforms nuclear materials so that they can be used to support the development of society, first and foremost in the field of energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Bendalls Engineering	Exact match	Carlisle, United KingdomHQ recorded Sep 17, 2026	51-200	48 contacts →
	Exact match “Bendalls Engineering has a strong reputation in engineering, located in Carlisle, Cumbria.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	React Engineering Limited	Exact match	Cleator, United KingdomHQ recorded Sep 17, 2026	11-50	47 contacts →
	Exact match “React brings strategic clarity and delivery leadership to complex challenges in highly regulated sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	JGC Engineering And Technical Services LTD	Exact match	Thurso, United KingdomHQ recorded Sep 17, 2026	51-200	42 contacts →
	Exact match “JGC is one of the UK's leading engineering companies with the breadth and depth of technical expertise to respond to the daily complex challenges of major engineering projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Cyclife Aquila Nuclear	Exact match	Twyford, United KingdomHQ recorded Sep 17, 2026	51-200	35 contacts →
	Exact match “Cyclife Aquila Nuclear has now merged with Cyclife UK Ltd to bring together our complementary expertise and strong industry reputations to form a single, unified UK entity.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Core Nuclear Solutions LTD	Exact match	Workington, United KingdomHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match “CORE Nuclear Solutions is a specialist nuclear remote engineering SME based at Lillyhall in Workington.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Noveum LTD	Exact match	Stafford, United KingdomHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Cerberus Nuclear	Exact match	Birchwood, United KingdomHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Cerberus Nuclear is a technical consultancy with over 100 cumulative years experience specialising in Radiation Shielding, Criticality Safety and Nuclear Characterisation.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Cerap UK	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Established in France over 33 years ago, CERAP Prevention now operates all over the world, employing over 600 people who all work together to support their customers efficiently…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	AMS Nuclear	Exact match	Bridgwater, United KingdomHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “AMS Nuclear Engineering is a specialist Electrical, Control & Instrumentation (EC & I) engineering company supporting organisations across the UK nuclear sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	TRX	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	18 contacts →
	Exact match “TRX is a leading nuclear recruitment company with a core focus on helping shape and implement a zero-carbon future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Acuity Engineering	Exact match	Corby, United KingdomHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “Acuity provides consultancy services and technical resource to our clients within the engineering sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Projecon LTD	Exact match	Wigan, United KingdomHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “ProjEcon is a specialist provider of consultancy services within the Engineering and Nuclear Sectors, skills include Project Management, Engineering Management, Mechanical…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Design & Safety Limited	Exact match	Saltash, United KingdomHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Design and Safety Limited is an engineering consultancy focussed on design and safety management and delivery in the nuclear industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Naval Solutions	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “NAVAL SOLUTIONS is a Consultancy company based out of Bristol UK specialising in Naval and Nuclear Engineering.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Equilibrion	Exact match	Northampton, United KingdomHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Equilibrion is a young, ambitious firm set up for one purpose.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Safetech Engineering Limited	Exact match	Frome, United KingdomHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Nuclear Safety and Engineering Helping companies maintain safe, secure and continued operations, whilst complying with stringent, contractual, legal and regulatory requirements in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Firma Engineering LTD	Exact match	Rotherham, United KingdomHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “We are an engineering company established to address the increasing requirement for high integrity detailed structural design and analysis, particularly within heavily regulated…” 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 “nuclear facility 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 25 of 82 nuclear facility engineering firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,266 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Nuclear facility engineering firms based in the United Kingdom at a glance

As of Sep 17, 2026

31.6%Verified-email coverage

203.3Average contacts per company

11-50Median size (employees)

11.0%Largest-city concentration · Bristol

Sep 17, 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

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 82 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 “nuclear facility 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 5,266 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.

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

How many nuclear facility engineering firms are there based in the United Kingdom?

RevenueBase identified 82 company matches for nuclear facility engineering 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?

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

Which city has the most nuclear facility engineering firms?

Bristol leads with 9 company records, followed by London (5) and Warrington (3).

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 5,266 professional contacts with verified work emails tracked across these 82 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.

Ready to reach these companies? Verified emails and direct dials for all 82 nuclear facility engineering firms based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Nuclear facility engineering firms by geography

Browse the directory

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.