Company lists · Data refreshed November 2026
Top 25 Electrical infrastructure testing services based in the United Kingdom
RevenueBase identified 1,606 company matches for electrical infrastructure testing services associated with the United Kingdom as of November 2026 and tracks 11,534 professional contacts across them, including 4,150 with verified work emails. London is the largest hub.
This list covers company matches for electrical infrastructure testing services 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 November 6, 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.
The 25 largest electrical infrastructure testing services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,198 contacts → | ||||
Exact match “Megger supports the people who keep essential services running.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 933 contacts → | ||||
Exact match “SOCOTEC UK is a network of industry-leading experts we empower ambitious businesses at every stage of the asset lifecycle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 456 contacts → | ||||
Exact match “Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 173 contacts → | ||||
Exact match “Our customers made us the UK market leader in electrical earthing systems and lightning protection systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 147 contacts → | ||||
Exact match “Founded in 2010, Guardian Electrical Compliance Ltd have become the market leaders in terms of Duty Holder guidance, technical & legislative support, site delivery and after sales…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 109 contacts → | ||||
Exact match “Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 82 contacts → | ||||
Exact match “AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 72 contacts → | ||||
Exact match “Securing your power needs to deliver your electrification plans with certainty.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 62 contacts → | ||||
Exact match “The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 62 contacts → | ||||
Exact match “BASEC Group Limited, a part of Kiwa, is a global leader in product testing and certification services for power, energy, data/signal cables and ancillary products, in addition to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 61 contacts → | ||||
Exact match “Wiggett Electrical has gone from strength to strength.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 57 contacts → | ||||
Exact match “Eurofins E&E UK provides a comprehensive range of testing, certification and compliance services for designers and manufacturers of electronic and electrical products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 57 contacts → | ||||
Exact match “We provide in-house comprehensive engineering for all disciplines such as mechanical (3d modelling), electrical & instrumentation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 56 contacts → | ||||
Exact match “RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 55 contacts → | ||||
Exact match “Enrgy provide utility scale power infrastructure services up to 33KV for private generation customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 54 contacts → | ||||
Exact match “We are the first choice trusted partner, supporting businesses in meeting their regulatory electrical testing requirements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 54 contacts → | ||||
Exact match “PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 53 contacts → | ||||
Exact match “We protect people, assets and the environment in high-risk industries through precise, responsive and reporting-led inspection services that give our clients total confidence in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 52 contacts → | ||||
Exact match “Our aim is to be the first choice for electrical and engineering installations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 51 contacts → | ||||
Exact match “NES is an Industrial and Commercial Electrical Engineering and Contracting business, based in the North and North East of Scotland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 50 contacts → | ||||
Exact match “Monitra (formerly HVPD) are experts in the field of Partial Discharge (PD) testing and monitoring of Medium Voltage and High Voltage electrical equipment, which can be performed…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 43 contacts → | ||||
Exact match “Durkin and Sons have for 40 years been a go-to partner for National Grid, and DNO organisations, who continue to entrust the delivery of large HV & EHV cabling projects to us.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 43 contacts → | ||||
Exact match “Process Control Services (PCS) is an industrial electrical and data contractor, serving a wide range of sectors across the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 40 contacts → | ||||
Exact match “Established over 20 years ago by our Chairman, F.E.S.(EX) is a leading provider of a range of E, I&M services for all industries across both hazardous and non- hazardous…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 40 contacts → | ||||
Exact match “Calbarrie Compliance Services Ltd (Calbarrie) is the UK’s market leader in electrical compliance services and has been trading within the Health & Safety and Compliance sectors…” Recorded in the RevenueBase company graph · Nov 6, 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 “electrical infrastructure testing services”. 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 1,606 electrical infrastructure testing services based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 4,150 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Electrical infrastructure testing services based in the United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
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 1,606 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 “electrical infrastructure testing services” 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 4,150 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 November 6, 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.
Electrical infrastructure testing services by metro
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 “electrical infrastructure testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many electrical infrastructure testing services are there based in the United Kingdom?
RevenueBase identified 1,606 company matches for electrical infrastructure testing services associated with the United Kingdom as of November 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?
Megger tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most electrical infrastructure testing services?
London leads with 91 company records, followed by Manchester (35) and Bristol (18).
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 4,150 professional contacts with verified work emails tracked across these 1,606 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,606 electrical infrastructure testing services based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Electrical infrastructure testing services by geography
- Electrical infrastructure testing services based in Brisbane, Australia
- Electrical infrastructure testing services based in Perth, Australia
- Electrical infrastructure testing services based in Sao Paulo, Brazil
- Electrical infrastructure testing services based in Bangalore, India
- Electrical infrastructure testing services based in Riyadh, Saudi Arabia
- Electrical infrastructure testing services based in Singapore, Singapore
- Electrical infrastructure testing services based in London, United Kingdom
- Electrical infrastructure testing services based in Manchester, United Kingdom
- Electrical infrastructure testing services based in Houston, United States
- Electrical infrastructure testing services based in Argentina
- Electrical infrastructure testing services based in Australia
- Electrical infrastructure testing services based in Belgium
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Electrical infrastructure testing services based in Brisbane, Australia
- Electrical infrastructure testing services based in Perth, Australia
- Electrical infrastructure testing services based in Sao Paulo, Brazil
- Electrical infrastructure testing services based in Bangalore, India
- Electrical infrastructure testing services based in Riyadh, Saudi Arabia
- Electrical infrastructure testing services based in Singapore, Singapore
Company intelligence · public preview
Top 25 electrical infrastructure testing services based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,606 matching company records for electrical infrastructure testing services based in the United Kingdom, with 11,534 tracked contacts and 4,150 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 electrical infrastructure testing services based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Meggermegger.comHQ: Dover, United KingdomReported employees: 1,001-5,000 | Dover, United Kingdom | 1,001-5,000 | Exact match | 1,198 contacts → |
“Megger supports the people who keep essential services running.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Socotec UK & Irelandsocotec.co.ukHQ: Burton Upon Trent, United KingdomReported employees: 1,001-5,000 | Burton Upon Trent, United Kingdom | 1,001-5,000 | Exact match | 933 contacts → |
“SOCOTEC UK is a network of industry-leading experts we empower ambitious businesses at every stage of the asset lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Quartzelec Limitedquartzelec.comHQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 456 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Omega RED Groupomegaredgroup.comHQ: Nottingham, United KingdomReported employees: 201-500 | Nottingham, United Kingdom | 201-500 | Exact match | 173 contacts → |
“Our customers made us the UK market leader in electrical earthing systems and lightning protection systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Guardian Electrical Compliance LTDguardianelectrical.co.ukHQ: Sheffield, United KingdomReported employees: 51-200 | Sheffield, United Kingdom | 51-200 | Exact match | 147 contacts → |
“Founded in 2010, Guardian Electrical Compliance Ltd have become the market leaders in terms of Duty Holder guidance, technical & legislative support, site delivery and after sales…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sinewavesinewave.co.ukHQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 109 contacts → |
“Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AKDakd.netHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 82 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Esmart Networksesmartnetworks.co.ukHQ: Braintree, United KingdomReported employees: 51-200 | Braintree, United Kingdom | 51-200 | Exact match | 72 contacts → |
“Securing your power needs to deliver your electrification plans with certainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  The Seaking Groupseakinggroup.co.ukHQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 62 contacts → |
“The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Basec Group Limited Basecbasec.org.ukHQ: Milton Keynes, United KingdomReported employees: 51-200 | Milton Keynes, United Kingdom | 51-200 | Exact match | 62 contacts → |
“BASEC Group Limited, a part of Kiwa, is a global leader in product testing and certification services for power, energy, data/signal cables and ancillary products, in addition to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  The Wiggett Group LTDwiggettgroup.comHQ: Brentwood, United KingdomReported employees: 201-500 | Brentwood, United Kingdom | 201-500 | Exact match | 61 contacts → |
“Wiggett Electrical has gone from strength to strength.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Eurofins E&e UKeurofins.co.ukHQ: York, United KingdomReported employees: 51-200 | York, United Kingdom | 51-200 | Exact match | 57 contacts → |
“Eurofins E&E UK provides a comprehensive range of testing, certification and compliance services for designers and manufacturers of electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  KGD Industrial Serviceskgd.co.ukHQ: Hereford, United KingdomReported employees: 51-200 | Hereford, United Kingdom | 51-200 | Exact match | 57 contacts → |
“We provide in-house comprehensive engineering for all disciplines such as mechanical (3d modelling), electrical & instrumentation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  RJ Powerrjpowernetworks.co.ukHQ: Sidcup, United KingdomReported employees: 51-200 | Sidcup, United Kingdom | 51-200 | Exact match | 56 contacts → |
“RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ENRGYenrgy.bizHQ: Crewe, United KingdomReported employees: 11-50 | Crewe, United Kingdom | 11-50 | Exact match | 55 contacts → |
“Enrgy provide utility scale power infrastructure services up to 33KV for private generation customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Lanteibesgroup.comHQ: Preston, United KingdomReported employees: 51-200 | Preston, United Kingdom | 51-200 | Exact match | 54 contacts → |
“We are the first choice trusted partner, supporting businesses in meeting their regulatory electrical testing requirements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Pass LTDpass.co.ukHQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 54 contacts → |
“PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  NDT Groupndtgroup.co.ukHQ: Deeside, United KingdomReported employees: 11-50 | Deeside, United Kingdom | 11-50 | Exact match | 53 contacts → |
“We protect people, assets and the environment in high-risk industries through precise, responsive and reporting-led inspection services that give our clients total confidence in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  NRT Groupnrtgroup.co.ukHQ: Banstead, United KingdomReported employees: 51-200 | Banstead, United Kingdom | 51-200 | Exact match | 52 contacts → |
“Our aim is to be the first choice for electrical and engineering installations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  NESnesnorth.comHQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 51 contacts → |
“NES is an Industrial and Commercial Electrical Engineering and Contracting business, based in the North and North East of Scotland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Monitramonitra.co.ukHQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 50 contacts → |
“Monitra (formerly HVPD) are experts in the field of Partial Discharge (PD) testing and monitoring of Medium Voltage and High Voltage electrical equipment, which can be performed…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Durkin And Sons Power And Civil Engineersdurkinandsons.co.ukHQ: Perivale, United KingdomReported employees: 51-200 | Perivale, United Kingdom | 51-200 | Exact match | 43 contacts → |
“Durkin and Sons have for 40 years been a go-to partner for National Grid, and DNO organisations, who continue to entrust the delivery of large HV & EHV cabling projects to us.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Process Control Servicespcsukltd.co.ukHQ: Buxton, United KingdomReported employees: 51-200 | Buxton, United Kingdom | 51-200 | Exact match | 43 contacts → |
“Process Control Services (PCS) is an industrial electrical and data contractor, serving a wide range of sectors across the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  F.E.S. EX Limitedfes-ex.comHQ: Grimsby, United KingdomReported employees: 51-200 | Grimsby, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Established over 20 years ago by our Chairman, F.E.S.(EX) is a leading provider of a range of E, I&M services for all industries across both hazardous and non- hazardous…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Calbarrie Compliance Services LTDcalbarrie.comHQ: Cheltenham, United KingdomReported employees: 51-200 | Cheltenham, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Calbarrie Compliance Services Ltd (Calbarrie) is the UK’s market leader in electrical compliance services and has been trading within the Health & Safety and Compliance sectors…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,606 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Electrical infrastructure testing services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,489 records in the displayed employee bands.
117 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,606 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Electrical infrastructure testing services by metro
Questions about this company list
What does Exact match mean for electrical infrastructure testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many electrical infrastructure testing services did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,606 matching company records, 11,534 tracked contacts and 4,150 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Electrical infrastructure testing services by geography
- Electrical infrastructure testing services based in Brisbane, Australia
- Electrical infrastructure testing services based in Perth, Australia
- Electrical infrastructure testing services based in Sao Paulo, Brazil
- Electrical infrastructure testing services based in Bangalore, India
- Electrical infrastructure testing services based in Riyadh, Saudi Arabia
- Electrical infrastructure testing services based in Singapore, Singapore
- Electrical infrastructure testing services based in London, United Kingdom
- Electrical infrastructure testing services based in Manchester, United Kingdom
- Electrical infrastructure testing services based in Houston, United States
- Electrical infrastructure testing services based in Argentina
- Electrical infrastructure testing services based in Australia
- Electrical infrastructure testing services based in Belgium
Cite this list
RevenueBase Data Team. Top 25 electrical infrastructure testing services based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/electrical-infrastructure-testing-services/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Electrical infrastructure testing services based in Brisbane, Australia
- Electrical infrastructure testing services based in Perth, Australia
- Electrical infrastructure testing services based in Sao Paulo, Brazil
- Electrical infrastructure testing services based in Bangalore, India
- Electrical infrastructure testing services based in Riyadh, Saudi Arabia
- Electrical infrastructure testing services based in Singapore, Singapore
Company intelligence · public preview
Top 25 electrical infrastructure testing services based in the United Kingdom
RevenueBase records 1,606 matching company records for electrical infrastructure testing services based in the United Kingdom, with 11,534 tracked contacts and 4,150 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 electrical infrastructure testing services based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Meggermegger.com HQ: Dover, United KingdomReported employees: 1,001-5,000 | Dover, United Kingdom | 1,001-5,000 | Exact match | 1,198 contacts → |
“Megger supports the people who keep essential services running.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Socotec UK & Irelandsocotec.co.uk HQ: Burton Upon Trent, United KingdomReported employees: 1,001-5,000 | Burton Upon Trent, United Kingdom | 1,001-5,000 | Exact match | 933 contacts → |
“SOCOTEC UK is a network of industry-leading experts we empower ambitious businesses at every stage of the asset lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Quartzelec Limitedquartzelec.com HQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 456 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Omega RED Groupomegaredgroup.com HQ: Nottingham, United KingdomReported employees: 201-500 | Nottingham, United Kingdom | 201-500 | Exact match | 173 contacts → |
“Our customers made us the UK market leader in electrical earthing systems and lightning protection systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Guardian Electrical Compliance LTDguardianelectrical.co.uk HQ: Sheffield, United KingdomReported employees: 51-200 | Sheffield, United Kingdom | 51-200 | Exact match | 147 contacts → |
“Founded in 2010, Guardian Electrical Compliance Ltd have become the market leaders in terms of Duty Holder guidance, technical & legislative support, site delivery and after sales…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sinewavesinewave.co.uk HQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 109 contacts → |
“Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AKDakd.net HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 82 contacts → |
“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Esmart Networksesmartnetworks.co.uk HQ: Braintree, United KingdomReported employees: 51-200 | Braintree, United Kingdom | 51-200 | Exact match | 72 contacts → |
“Securing your power needs to deliver your electrification plans with certainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | The Seaking Groupseakinggroup.co.uk HQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 62 contacts → |
“The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Basec Group Limited Basecbasec.org.uk HQ: Milton Keynes, United KingdomReported employees: 51-200 | Milton Keynes, United Kingdom | 51-200 | Exact match | 62 contacts → |
“BASEC Group Limited, a part of Kiwa, is a global leader in product testing and certification services for power, energy, data/signal cables and ancillary products, in addition to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | The Wiggett Group LTDwiggettgroup.com HQ: Brentwood, United KingdomReported employees: 201-500 | Brentwood, United Kingdom | 201-500 | Exact match | 61 contacts → |
“Wiggett Electrical has gone from strength to strength.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Eurofins E&e UKeurofins.co.uk HQ: York, United KingdomReported employees: 51-200 | York, United Kingdom | 51-200 | Exact match | 57 contacts → |
“Eurofins E&E UK provides a comprehensive range of testing, certification and compliance services for designers and manufacturers of electronic and electrical products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | KGD Industrial Serviceskgd.co.uk HQ: Hereford, United KingdomReported employees: 51-200 | Hereford, United Kingdom | 51-200 | Exact match | 57 contacts → |
“We provide in-house comprehensive engineering for all disciplines such as mechanical (3d modelling), electrical & instrumentation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | RJ Powerrjpowernetworks.co.uk HQ: Sidcup, United KingdomReported employees: 51-200 | Sidcup, United Kingdom | 51-200 | Exact match | 56 contacts → |
“RJ Power Group is a specialist electrical contracting business, providing engineering solutions in the power sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ENRGYenrgy.biz HQ: Crewe, United KingdomReported employees: 11-50 | Crewe, United Kingdom | 11-50 | Exact match | 55 contacts → |
“Enrgy provide utility scale power infrastructure services up to 33KV for private generation customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Lanteibesgroup.com HQ: Preston, United KingdomReported employees: 51-200 | Preston, United Kingdom | 51-200 | Exact match | 54 contacts → |
“We are the first choice trusted partner, supporting businesses in meeting their regulatory electrical testing requirements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Pass LTDpass.co.uk HQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 54 contacts → |
“PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | NDT Groupndtgroup.co.uk HQ: Deeside, United KingdomReported employees: 11-50 | Deeside, United Kingdom | 11-50 | Exact match | 53 contacts → |
“We protect people, assets and the environment in high-risk industries through precise, responsive and reporting-led inspection services that give our clients total confidence in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | NRT Groupnrtgroup.co.uk HQ: Banstead, United KingdomReported employees: 51-200 | Banstead, United Kingdom | 51-200 | Exact match | 52 contacts → |
“Our aim is to be the first choice for electrical and engineering installations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | NESnesnorth.com HQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 51 contacts → |
“NES is an Industrial and Commercial Electrical Engineering and Contracting business, based in the North and North East of Scotland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Monitramonitra.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 50 contacts → |
“Monitra (formerly HVPD) are experts in the field of Partial Discharge (PD) testing and monitoring of Medium Voltage and High Voltage electrical equipment, which can be performed…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Durkin And Sons Power And Civil Engineersdurkinandsons.co.uk HQ: Perivale, United KingdomReported employees: 51-200 | Perivale, United Kingdom | 51-200 | Exact match | 43 contacts → |
“Durkin and Sons have for 40 years been a go-to partner for National Grid, and DNO organisations, who continue to entrust the delivery of large HV & EHV cabling projects to us.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Process Control Servicespcsukltd.co.uk HQ: Buxton, United KingdomReported employees: 51-200 | Buxton, United Kingdom | 51-200 | Exact match | 43 contacts → |
“Process Control Services (PCS) is an industrial electrical and data contractor, serving a wide range of sectors across the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | F.E.S. EX Limitedfes-ex.com HQ: Grimsby, United KingdomReported employees: 51-200 | Grimsby, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Established over 20 years ago by our Chairman, F.E.S.(EX) is a leading provider of a range of E, I&M services for all industries across both hazardous and non- hazardous…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Calbarrie Compliance Services LTDcalbarrie.com HQ: Cheltenham, United KingdomReported employees: 51-200 | Cheltenham, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Calbarrie Compliance Services Ltd (Calbarrie) is the UK’s market leader in electrical compliance services and has been trading within the Health & Safety and Compliance sectors…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,606 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Electrical infrastructure testing services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,489 records in the displayed employee bands.
117 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,606 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Electrical infrastructure testing services by metro
Questions about this company list
What does Exact match mean for electrical infrastructure testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many electrical infrastructure testing services did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,606 matching company records, 11,534 tracked contacts and 4,150 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Electrical infrastructure testing services by geography
- Electrical infrastructure testing services based in Brisbane, Australia
- Electrical infrastructure testing services based in Perth, Australia
- Electrical infrastructure testing services based in Sao Paulo, Brazil
- Electrical infrastructure testing services based in Bangalore, India
- Electrical infrastructure testing services based in Riyadh, Saudi Arabia
- Electrical infrastructure testing services based in Singapore, Singapore
- Electrical infrastructure testing services based in London, United Kingdom
- Electrical infrastructure testing services based in Manchester, United Kingdom
- Electrical infrastructure testing services based in Houston, United States
- Electrical infrastructure testing services based in Argentina
- Electrical infrastructure testing services based in Australia
- Electrical infrastructure testing services based in Belgium
Cite this list
RevenueBase Data Team. Top 25 electrical infrastructure testing services based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/electrical-infrastructure-testing-services/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Electrical infrastructure testing services based in Brisbane, Australia
- Electrical infrastructure testing services based in Perth, Australia
- Electrical infrastructure testing services based in Sao Paulo, Brazil
- Electrical infrastructure testing services based in Bangalore, India
- Electrical infrastructure testing services based in Riyadh, Saudi Arabia
- Electrical infrastructure testing services based in Singapore, Singapore