Company lists · Data verified August 2026

Top 25 Climate tech software companies based in the United Kingdom

Name: Climate tech software companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 382 companies tracked

There are 382 climate tech software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 3,726 professional contacts across them, including 1,607 with verified work emails and 274 with mobile numbers. London is the largest hub.

This list covers climate tech 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. Data current as of August 28, 2026.

382Companies

3,726Contacts tracked

1,607Verified emails

274Mobile numbers

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The 25 largest climate tech software companies based in the United Kingdom

Ranked by team size

Top 25 of 382 climate tech software companies based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Correla	Solihull	201-500	291	166
2	Carbon Clean	London	51-200	187	112
3	CFP Energy	London	201-500	177	95
4	Evora Global	London	51-200	149	120
5	ZTP	London	51-200	116	62
6	Team Energy Auditing Agency LTD	Milton Keynes	51-200	70	31
7	Arenko	London	51-200	68	35
8	City Science	Exeter	51-200	67	37
9	The Miles Consultancy	Crewe	51-200	67	17
10	Kinto Join Limited	Epsom	51-200	61	46
11	Climate Connect Digital	London	11-50	61	5
12	Greengen	London	11-50	59	38
13	WAE	Wantage Oxford	501-1,000	39	15
14	Elire Group	London	11-50	33	13
15	Carbon Footprint LTD	Basingstoke	11-50	29	18
16	Mantle Labs	London	11-50	29	9
17	Smartwatt	Tunbridge Wells	11-50	28	15
18	Arbnco	Glasgow	51-200	26	21
19	51tocarbonzero	n/a	11-50	25	14
20	Carbonquota	London	11-50	23	15
21	Finboot	London	11-50	22	5
22	Earth Blox	Edinburgh	11-50	21	7
23	Carbon ALT Delete	London	11-50	20	13
24	EHS Data	Newark	11-50	19	13
25	Greenpixie	London	11-50	19	9

Showing 25 of 382 climate tech software companies based in the United Kingdom

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Climate tech software companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 191 HQs

274Contacts with mobile numbers

13Emails re-verified in last 30 days

Companies by employee count

1-10

257

11-50

101

51-200

201-500

501-1,000

1,001-5,000

Climate tech software companies by metro

Metro	Companies
Climate tech software companies in London	191
Climate tech software companies in Edinburgh	11
Climate tech software companies in Cambridge	9
Climate tech software companies in Bristol	7
Climate tech software companies in Manchester	7
Climate tech software companies in Exeter	5
Climate tech software companies in Brighton	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “climate tech software companies”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 13 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many climate tech software companies are there based in the United Kingdom?

There are 382 climate tech software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Correla, headquartered in Solihull, tops this list with the largest team on record.

Which city has the most climate tech software companies?

London leads with 191 headquartered companies, followed by Edinburgh (11) and Cambridge (9).

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 1,607 verified decision-maker contacts tracked across these 382 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.