Company lists · Data refreshed September 2026

Top 25 Industrial thermodynamics consultants based in the United Kingdom

Name: Industrial thermodynamics consultants 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 143 companies tracked

RevenueBase identified 143 industrial thermodynamics consultants headquartered in the United Kingdom as of September 2026 and tracks 3,685 professional contacts across them, including 666 with verified work emails. London is the largest hub.

This list covers industrial thermodynamics consultants 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

143Companies

3,685Contacts tracked

666Verified emails

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The 25 largest industrial thermodynamics consultants based in the United Kingdom

Ranked by team size

Top 25 of 143 industrial thermodynamics consultants 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 thermodynamics consultants: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Spirax Sarco	Indirect evidence	Cheltenham, United KingdomHQ checked Sep 17, 2026	5,001-10,000	1,669 contacts →
	Indirect evidence “Expertise \| Solutions \| Sustainability A FTSE-100 company, Spirax Sarco is the world's leading provider of steam system solutions.” Source: RevenueBase Database · checked Sep 17, 2026
2	Unitbirwelco	Indirect evidence	Elba Crescent, United KingdomHQ checked Sep 17, 2026	201-500	117 contacts →
	Indirect evidence “As a leading expert in thermal equipment, UnitBirwelco is dedicated to delivering excellence in design, project management, manufacturing, fabrication, construction, and…” Source: RevenueBase Database · checked Sep 17, 2026
3	Katoni Engineering	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	51-200	90 contacts →
	Indirect evidence “Katoni provides consulting, engineering, optimisation and emissions reduction support for the Energy Sector.” Source: RevenueBase Database · checked Sep 17, 2026
4	JBC	Partial evidence	Normanton, United KingdomHQ checked Sep 17, 2026	51-200	86 contacts →
	Partial evidence “JBC Industrial Services is the leading name in Industrial Boiler and Burner service, maintenance, and repair.” Source: RevenueBase Database · checked Sep 17, 2026
5	JBA Engineering	Partial evidence	Wynyard, United KingdomHQ checked Sep 17, 2026	11-50	63 contacts →
	Partial evidence “JBA are industry-leading consultants, providing flexible engineering and design solutions, procurement, and construction services.” Source: RevenueBase Database · checked Sep 17, 2026
6	Saacke Combustion Services LTD	Indirect evidence	Havant, United KingdomHQ checked Sep 17, 2026	51-200	57 contacts →
	Indirect evidence “SAACKE is your qualified partner when it comes to highly efficient, reliable combustion plants with low emissions.” Source: RevenueBase Database · checked Sep 17, 2026
7	Vesuvius Technology	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	n/a	39 contacts →
	Partial evidence “Vesuvius is a global leader in molten metal flow engineering and technology, serving process industries operating in challenging high-temperature conditions.” Source: RevenueBase Database · checked Sep 17, 2026
8	Integro Design Engineering Associates Idea LTD	Indirect evidence	Glasgow, United KingdomHQ checked Sep 17, 2026	11-50	35 contacts →
	Indirect evidence “IDEA Ltd.” Source: RevenueBase Database · checked Sep 17, 2026
9	Poole Process Equipment LTD	Indirect evidence	Poole, United KingdomHQ checked Sep 17, 2026	11-50	34 contacts →
	Indirect evidence “Poole Process Equipment Ltd are leaders in the design, manufacture & repair of air cooled & tubular heat exchangers and of pressure vessels.” Source: RevenueBase Database · checked Sep 17, 2026
10	Greens	Strong evidence	Wakefield, United KingdomHQ checked Sep 17, 2026	11-50	31 contacts →
	Strong evidence “Greens is a global one-stop thermodynamics solution provider for marine and land applications, empowering a host of industries such as Offshore, Marine, Oil & Gas, Power…” Source: RevenueBase Database · checked Sep 17, 2026
11	Therser UK LTD	Indirect evidence	Stoke, United KingdomHQ checked Sep 17, 2026	51-200	28 contacts →
	Indirect evidence “We provide thermal products and services in all their forms, our management team have over 150 years experience.” Source: RevenueBase Database · checked Sep 17, 2026
12	Core Energies Limited	Partial evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	11-50	19 contacts →
	Partial evidence “CORE was set up in 2006 and has become one of the largest process Control and Instrument (C&I) consultancies in the UK.” Source: RevenueBase Database · checked Sep 17, 2026
13	Wave LTD	Partial evidence	Halifax, United KingdomHQ checked Sep 17, 2026	11-50	19 contacts →
	Partial evidence “WAVE Engineering Ltd is an independent, employee-owned, B-Corp certified Consultancy.’ With a team of experienced design, technical and project engineering consultants.” Source: RevenueBase Database · checked Sep 17, 2026
14	Calgavin LTD	Indirect evidence	Warwickshire, United KingdomHQ checked Sep 17, 2026	11-50	18 contacts →
	Indirect evidence “CALGAVIN are proud to work in partnership with some of the largest global businesses to provide robust heat transfer solutions to the process industry.” Source: RevenueBase Database · checked Sep 17, 2026
15	European Technology Development LTD	Partial evidence	The Axis Centre, United KingdomHQ checked Sep 17, 2026	11-50	18 contacts →
	Partial evidence “ETD Consulting provides independent technical engineering consulting and on-site services, innovative products and high quality training to the Power and Process Plant industries.” Source: RevenueBase Database · checked Sep 17, 2026
16	Thermal Fluid Solutions LTD	Indirect evidence	Doveholes, United KingdomHQ checked Sep 17, 2026	11-50	17 contacts →
	Indirect evidence “Thermal fluid solutions (part of the HTS family of companies) provides a complete range of thermal fluid system support and maintenance services.” Source: RevenueBase Database · checked Sep 17, 2026
17	European Thermodynamics Limited	Partial evidence	Kibworth, United KingdomHQ checked Sep 17, 2026	11-50	16 contacts →
	Partial evidence “European Thermodynamics is committed to delivering high integrity thermal solutions through excellence in design and innovation.” Source: RevenueBase Database · checked Sep 17, 2026
18	Cooperheat Equipment LTD	Indirect evidence	Southport, United KingdomHQ checked Sep 17, 2026	51-200	15 contacts →
	Indirect evidence “We’ve been leading innovators in thermal technology since 1957.” Source: RevenueBase Database · checked Sep 17, 2026
19	Turbo-Machinery Services Limited	Partial evidence	Bedford, United KingdomHQ checked Sep 17, 2026	11-50	14 contacts →
	Partial evidence “Specialists in the service, repair and support of Steam Turbines and associated Industrial Rotating Machinery.” Source: RevenueBase Database · checked Sep 17, 2026
20	Greens Combustion Limited	Indirect evidence	Poole, United KingdomHQ checked Sep 17, 2026	51-200	11 contacts →
	Indirect evidence “Greens Combustion is a UK-based leader in combustion engineering, with 250+ years of combined expertise.” Source: RevenueBase Database · checked Sep 17, 2026
21	Chilltec Refrigeration LTD	Partial evidence	Ballymena, United KingdomHQ checked Sep 17, 2026	11-50	11 contacts →
	Partial evidence “CHILLTEC REFRIGERATION LTD is an industrial refrigeration and air conditioning company.” Source: RevenueBase Database · checked Sep 17, 2026
22	Global Combustion Systems	Partial evidence	Livingston, United KingdomHQ checked Sep 17, 2026	11-50	11 contacts →
	Partial evidence “Global Combustion Systems specialise in the design, manufacture and supply of industrial gas, oxygen and fuel oil combustion systems which are used in the glass melting, steel…” Source: RevenueBase Database · checked Sep 17, 2026
23	Thermtech	Partial evidence	Manchester, United KingdomHQ checked Sep 17, 2026	11-50	11 contacts →
	Partial evidence “We design, manufacture and install bespoke industrial waste heat recovery systems with unrivaled technical excellence and through a highly skilled workforce.” Source: RevenueBase Database · checked Sep 17, 2026
24	The Force Group LTD	Indirect evidence	Shirley, United KingdomHQ checked Sep 17, 2026	11-50	10 contacts →
	Indirect evidence “At the Force Group we are a multi-disciplinary team with product specialists you can count upon as an extension to your workforce.” Source: RevenueBase Database · checked Sep 17, 2026
25	IME Group	Indirect evidence	Brentwood, United KingdomHQ checked Sep 17, 2026	11-50	9 contacts →
	Indirect evidence “When something goes wrong on plant you need one call, one team and one answer.” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: industrial thermodynamics consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names industrial thermodynamics consultants.
Partial evidence: Its own public description names part of industrial thermodynamics consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name industrial thermodynamics consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 143 industrial thermodynamics consultants based in the United Kingdom

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Industrial thermodynamics consultants based in the United Kingdom at a glance

As of Sep 17, 2026

18.1%Verified-email coverage

25.8Average contacts per company

1-10Median size (employees)

7.7%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 143 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 thermodynamics consultants, 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 thermodynamics consultants”. 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 thermodynamics consultants), 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 thermodynamics consultants, 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, 666 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 thermodynamics consultants, 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 thermodynamics consultants are there based in the United Kingdom?

RevenueBase identified 143 industrial thermodynamics consultants 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?

Spirax Sarco, headquartered in Cheltenham, tops this list with the largest team on record.

Which city has the most industrial thermodynamics consultants?

London leads with 11 headquartered companies, followed by Aberdeen (4) and Warrington (4).

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 666 verified decision-maker contacts tracked across these 143 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.