Company lists · Data refreshed September 2026

Top 25 Real-time energy monitoring software companies based in the United Kingdom

Name: Real-time energy monitoring software companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 266 companies tracked

RevenueBase identified 266 real-time energy monitoring software companies headquartered in the United Kingdom as of September 2026 and tracks 13,816 professional contacts across them, including 4,920 with verified work emails and 678 with mobile numbers. London is the largest hub.

This list covers real-time energy monitoring software companies 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

266Companies

13,816Contacts tracked

4,920Verified emails

678Mobile numbers

Explore all 266 companies → Free signup · no credit card · 500 free credits

The 25 largest real-time energy monitoring software companies based in the United Kingdom

Ranked by team size

Top 25 of 266 real-time energy monitoring software companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names real-time energy monitoring software companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	British GASIndirect evidence	Windsor, United KingdomHQ checked Sep 5, 2026	10001+	9,238
	“Taking care of things.” Source: company website · checked Sep 5, 2026
2	KBC A Yokogawa CompanyIndirect evidence	Walton-on-thames, United KingdomHQ checked Sep 5, 2026	201-500	658
	“We are passionate about driving sustainable change for our planet.” Source: company website · checked Sep 5, 2026
3	KaluzaPartial evidence	London, United KingdomHQ checked Sep 5, 2026	501-1,000	595
	“Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination.” Source: company website · checked Sep 5, 2026
4	ESGIndirect evidence	Euxton, United KingdomHQ checked Sep 5, 2026	501-1,000	380
	“We're ESG - and we put the power of data in your hands.” Source: company website · checked Sep 5, 2026
5	CorrelaIndirect evidence	Solihull, United KingdomHQ checked Sep 5, 2026	201-500	293
	“Correla exists because we dream of a simpler, greener society powered by our investment in innovation and our passion for customers.” Source: company website · checked Sep 5, 2026
6	E.On Control Solutions LTDPartial evidence	Bury, United KingdomHQ checked Sep 5, 2026	201-500	206
	“Who we are » The UK’s leading Energy Management company » Our aim is to increase energy performance within buildings » Deliver energy projects to maximise customer return on…” Source: company website · checked Sep 5, 2026
7	Brady TechnologiesPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	146
	“At Brady Technologies, we are at the forefront of the energy transition, helping market participants navigate new challenges and opportunities with confidence.” Source: company website · checked Sep 5, 2026
8	Amt-SybexPartial evidence	Oxfordshire, United KingdomHQ checked Sep 5, 2026	51-200	120
	“AMT-SYBEX has worked in the infrastructure and energy industries since 1990, witnessing many changes; from privatisation to deregulation, to smart energy and beyond.” Source: company website · checked Sep 5, 2026
9	EcolibriumPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	109
	“Ecolibrium is a sustainability tech company that empowers people to make better decisions based on proven data-driven ML algorithms through continuous monitoring, analysis and…” Source: company website · checked Sep 5, 2026
10	best.energyPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	97
	“Best.Energy is a UK based company specialising in the measurement, control and reduction of energy consumption and costs within the industrial, commercial and public sectors.” Source: company website · checked Sep 5, 2026
11	Team Energy Auditing Agency LTDPartial evidence	Milton Keynes, United KingdomHQ checked Sep 5, 2026	51-200	69
	“TEAM is the UK’s leading supplier of carbon and energy management solutions committed to driving the efficiency and sustainability of energy consumption and environmental…” Source: company website · checked Sep 5, 2026
12	ArenkoPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	68
	“Arenko is a market leading technology provider enabling the clean energy transition.” Source: company website · checked Sep 5, 2026
13	PowerversePartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	50
	“Powerverse is a smart energy management company committed to creating a more affordable, connected electric future.” Source: company website · checked Sep 5, 2026
14	Fusion For BusinessIndirect evidence	Durham, United KingdomHQ checked Sep 5, 2026	51-200	49
	“At Fusion For Business, we believe in the value of genuine human connection - people doing business with people they trust.” Source: company website · checked Sep 5, 2026
15	ECBSIndirect evidence	Hebburn, United KingdomHQ checked Sep 5, 2026	51-200	48
	“At ECBS we specialise in working with customers to significantly reduce their business utility costs and make the necessary steps towards a greener future.” Source: company website · checked Sep 5, 2026
16	ZOAIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	501-1,000	43
	“We need intelligent technology to accelerate our path to net zero.” Source: company website · checked Sep 5, 2026
17	GridedgeIndirect evidence	Birmingham, United KingdomHQ checked Sep 5, 2026	11-50	41
	“Your buildings are running 24/7, making decisions you can't see.” Source: company website · checked Sep 5, 2026
18	Chameleon Technology UK LTDIndirect evidence	Harrogate, United KingdomHQ checked Sep 5, 2026	11-50	37
	“Chameleon Technology is a visionary smart technology solutions company, pioneering smart devices since 2010.” Source: company website · checked Sep 5, 2026
19	EverunPartial evidence	Belfast, United KingdomHQ checked Sep 5, 2026	11-50	36
	“As the world is becoming much more energy conscious, businesses everywhere are turning to more sustainable models of energy usage.” Source: company website · checked Sep 5, 2026
20	HARKPartial evidence	Leeds, United KingdomHQ checked Sep 5, 2026	11-50	34
	“Hark is an award-winning Energy Analytics and Industrial IoT company based in Leeds.” Source: company website · checked Sep 5, 2026
21	Guru Systems LTDPartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	32
	“Guru Systems creates intelligent technology to make energy systems more transparent, lower cost and lower carbon.” Source: company website · checked Sep 5, 2026
22	MPL Technology GroupPartial evidence	Bicester, United KingdomHQ checked Sep 5, 2026	11-50	31
	“At MPL, we define an Estate as the full network of client facilities contributing to overall energy use.” Source: company website · checked Sep 5, 2026
23	SystemslinkPartial evidence	Bedford, United KingdomHQ checked Sep 5, 2026	51-200	28
	“The UK’s industry-leading utilities, carbon and analytics management software provider.” Source: company website · checked Sep 5, 2026
24	UtilidexStrong evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	26
	“Utilidex delivers a range of integrated energy software products supporting end customers, consultants and energy suppliers/generators for data management, billing, trading…” Source: company website · checked Sep 5, 2026
25	Integrated BMS LTDPartial evidence	Newark, United KingdomHQ checked Sep 5, 2026	11-50	25
	“Integrated BMS specialise in providing Energy Management Systems for the built environment.” Source: company website · checked Sep 5, 2026

Showing 25 of 266 real-time energy monitoring software companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 4,920 reachable decision-makers.

Free signup · no credit card

See all 266 companies

Real-time energy monitoring software companies based in the United Kingdom at a glance

As of Sep 5, 2026

1-10Median size (employees)

LondonLargest hub · 66 HQs

678Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

140

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Verified emails by last verification

0–30

4,624

31–60

287

61–90

90–180

180+

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 real-time energy monitoring software companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “real-time energy monitoring software companies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among real-time energy monitoring software companies, 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 an evidence 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, 4,920 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 5, 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.

Real-time energy monitoring software companies by metro

Real-time energy monitoring software companies in London66

Frequently asked

How many real-time energy monitoring software companies are there based in the United Kingdom?

RevenueBase identified 266 real-time energy monitoring software companies 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 real-time energy monitoring software companies?

London leads with 66 headquartered companies, followed by Manchester (10) and Cambridge (7).

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 4,920 verified decision-maker contacts tracked across these 266 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 266 real-time energy monitoring software companies based in the United Kingdom. Start with a free account, no credit card.

Get the full list

Related lists

Real-time energy monitoring software companies by geography

Browse the directory

Browse: Companies home · All United Kingdom lists · All Real-time energy monitoring software companies lists · New lists

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.