Company lists · Data refreshed September 2026

Top 15 Industrial load flexibility providers based in the United Kingdom

RevenueBase identified 36 industrial load flexibility providers headquartered in the United Kingdom as of September 2026 and tracks 9,529 professional contacts across them, including 2,913 with verified work emails. London is the largest hub.

This list covers industrial load flexibility providers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
36Companies
9,529Contacts tracked
2,913Verified emails
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The 15 largest industrial load flexibility providers based in the United Kingdom

Ranked by team size
Top 15 of 36 industrial load flexibility providers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to industrial load flexibility providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceWindsor, United KingdomHQ checked Sep 17, 202610001+9,238 contacts →

Indirect evidence

“Taking care of things.”

Source: RevenueBase Database · checked Sep 17, 2026
2Indirect evidenceEdinburgh, United KingdomHQ checked Sep 17, 202651-20087 contacts →

Indirect evidence

“Flexitricity created the first demand response portfolio in GB.”

Source: RevenueBase Database · checked Sep 17, 2026
3Partial evidenceLondon, United KingdomHQ checked Sep 17, 202611-5045 contacts →

Partial evidence

“Piclo is the world’s leading independent marketplace for energy flexibility.”

Source: RevenueBase Database · checked Sep 17, 2026
4Indirect evidenceRedditch, United KingdomHQ checked Sep 17, 202651-2007 contacts →

Indirect evidence

“At t-mac, we believe in empowering businesses to take full control of their energy management.”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceWells, United KingdomHQ checked Sep 17, 20261-106 contacts →

Indirect evidence

“Our platform services and expertise enable the transition to becoming a smart, flexible, and low-carbon energy consumer no matter where you are on your journey.”

Source: RevenueBase Database · checked Sep 17, 2026
6Indirect evidenceNewcastle Upon Tyne, United KingdomHQ checked Sep 17, 202611-506 contacts →

Indirect evidence

“Our mission is simple: to clarify business utilities, implement solutions and make our clients happy.”

Source: RevenueBase Database · checked Sep 17, 2026
7Indirect evidenceBournemouth, United KingdomHQ checked Sep 17, 202611-505 contacts →

Indirect evidence

“Omnium is a leading provider of bespoke energy management solutions to UK businesses.”

Source: RevenueBase Database · checked Sep 17, 2026
8Indirect evidenceLondon, United KingdomHQ checked Sep 17, 20261-105 contacts →

Indirect evidence

“We create value for our clients through intelligent, carbon-neutral, demand-side management solutions.”

Source: RevenueBase Database · checked Sep 17, 2026
9Indirect evidenceFolkestone, United KingdomHQ checked Sep 17, 20261-104 contacts →

Indirect evidence

“At ECS we strive to implement the most effective control and energy management solutions to enable buildings to operate as efficiently as possible.”

Source: RevenueBase Database · checked Sep 17, 2026
10Partial evidenceRichmond, United KingdomHQ checked Sep 17, 20261-104 contacts →

Partial evidence

“Sherwood Power provides bulk energy storage for Industrial & Commercial clients, lowering costs and improving reliability of electricity supply.”

Source: RevenueBase Database · checked Sep 17, 2026
11Indirect evidenceBristol, United KingdomHQ checked Sep 17, 20261-104 contacts →

Indirect evidence

“About Self Gen Connect Ltd Self Gen Connect began with a simple observation from co-founders Shaun and Rick, long-time business partners since 1996.”

Source: RevenueBase Database · checked Sep 17, 2026
12Indirect evidenceLondon, United KingdomHQ checked Sep 17, 20261-104 contacts →

Indirect evidence

“Our mission is to empower households to effortlessly optimise their electricity use, save money, and accelerate the transition to a green energy system.”

Source: RevenueBase Database · checked Sep 17, 2026
13Indirect evidenceDundonald, United KingdomHQ checked Sep 17, 202611-503 contacts →

Indirect evidence

“Energy Trading Ireland (ETI) has been established to provide energy management services to our clients spanning all sectors of industry, business and commerce.”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 17, 20261-102 contacts →

Indirect evidence

“The energy landscape is changing.”

Source: RevenueBase Database · checked Sep 17, 2026
15Indirect evidenceLancaster, United KingdomHQ checked Sep 17, 20261-102 contacts →

Indirect evidence

“Envisij transforms the way organisations manage energy.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 15 of 36 industrial load flexibility providers based in the United Kingdom

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Industrial load flexibility providers based in the United Kingdom at a glance

As of Sep 17, 2026
30.6%Verified-email coverage
264.7Average contacts per company
1-10Median size (employees)
33.3%Largest-city concentration · London
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
11
51-200
3
10001+
1

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 36 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among industrial load flexibility providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “industrial load flexibility providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names industrial load flexibility providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among industrial load flexibility providers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,913 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names industrial load flexibility providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many industrial load flexibility providers are there based in the United Kingdom?

RevenueBase identified 36 industrial load flexibility providers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

British GAS, headquartered in Windsor, tops this list with the largest team on record.

Which city has the most industrial load flexibility providers?

London leads with 12 headquartered companies, followed by Bristol (2) and Belfast (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,913 verified decision-maker contacts tracked across these 36 companies.

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 Smart Search, 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.