Company lists · Data refreshed September 2026

Top 16 Voltage optimization technology vendors based in the United Kingdom

RevenueBase identified 34 company matches for voltage optimization technology vendors associated with the United Kingdom as of September 2026 and tracks 412 professional contacts across them, including 123 with verified work emails. Sheffield is the largest hub.

This list covers company matches for voltage optimization technology vendors 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 22, 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 22, 2026 How this list was built
34Companies
412Contacts tracked
123Verified emails
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The 16 largest voltage optimization technology vendors based in the United Kingdom

Ranked by team size
Top 16 of 34 company matches for voltage optimization technology vendors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchSheffield, United KingdomHQ recorded Sep 22, 202651-200135 contacts →

Exact match

“A D2Zero Company With a 24-year track record, Powerstar is an industry leader in electrification, specialising in designing and manufacturing cutting-edge power management tech…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchSt. Helens, United KingdomHQ recorded Sep 22, 202611-5037 contacts →

Exact match

“Hello, we’re Enspec.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchSheffield, United KingdomHQ recorded Sep 22, 202611-5028 contacts →

Exact match

“This one is a no-brainer.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchChorley, United KingdomHQ recorded Sep 22, 202611-5018 contacts →

Exact match

“EnergyAce are one of the leading manufactures of energy saving systems in the form of Power Factor Correction, Voltage Management Systems, Voltage Optimisation and Voltage…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchBirmingham, United KingdomHQ recorded Sep 22, 202611-5016 contacts →

Exact match

“Founded on engineering excellence, continuous innovation and a customer-first approach, we specialise in providing not just products, but complete power quality solutions that…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchSheffield, United KingdomHQ recorded Sep 22, 202611-5015 contacts →

Exact match

“MORE POWER TO THE PLANET.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchManchester, United KingdomHQ recorded Sep 22, 20261-1010 contacts →

Exact match

“Powerdown220 specialises in voltage optimisation, helping businesses to manage their power consumption, reduce their carbon footprint and save on costs.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchBicester, United KingdomHQ recorded Sep 22, 20261-108 contacts →

Exact match

“Powersun offers industrial and commercial energy generating and saving solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchEast Kilbride, United KingdomHQ recorded Sep 22, 202611-506 contacts →

Exact match

“SDC INDUSTRIES Ltd, established in 1978, specialise in the manufacture of a wide range of electrical power quality and energy efficiency equipment for industry and commerce…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchLymington, United KingdomHQ recorded Sep 22, 20261-106 contacts →

Exact match

“CO2 Target is an energy consultancy delivering exceptional energy cost reductions to companies worldwide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchWinchester, United KingdomHQ recorded Sep 22, 202611-505 contacts →

Exact match

“IsoTek is an English company making multi-award-winning power optimisation products for audio, AV- and automation systems for over 20 years.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 22, 20261-105 contacts →

Exact match

“With our cutting-edge technologies, we're giving people the power to significantly reduce their own energy consumption.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 22, 20261-104 contacts →

Exact match

“ChargeSync is innovating to cut power bills and emissions by storing and optimising power for household or business consumption.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchMiddleton, United KingdomHQ recorded Sep 22, 202611-502 contacts →

Exact match

“matt:e was formed in 2013 by a group of electricians and engineers, all sharing a common interest in the design and development of innovative energy saving and electrical safety…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchSheffield, United KingdomHQ recorded Sep 22, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchWatford, United KingdomHQ recorded Sep 22, 20261-101 contacts →

Exact match

“At Greenpoint Services we offer Green energy solutions for Commercial and Domestic properties.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 16 of 34 voltage optimization technology vendors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 123 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voltage optimization technology vendors based in the United Kingdom at a glance

As of Sep 22, 2026
29.9%Verified-email coverage
12.1Average contacts per company
1-10Median size (employees)
11.8%Largest-city concentration · Sheffield
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
17
11-50
15
51-200
2

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 34 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 “voltage optimization technology vendors” 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 123 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 22, 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 “voltage optimization technology vendors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many voltage optimization technology vendors are there based in the United Kingdom?

RevenueBase identified 34 company matches for voltage optimization technology vendors 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?

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

Which city has the most voltage optimization technology vendors?

Sheffield leads with 4 company records, followed by London (3) and Accrington (1).

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 123 professional contacts with verified work emails tracked across these 34 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 22, 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.