Company lists · Data verified August 2026

Top 25 Environmental sustainability software developers based in the United Kingdom

Name: Environmental sustainability software developers 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 326 companies tracked

There are 326 environmental sustainability software developers headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 5,085 professional contacts across them, including 2,679 with verified work emails and 483 with mobile numbers. London is the largest hub.

This list covers environmental sustainability software developers 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.

326Companies

5,085Contacts tracked

2,679Verified emails

483Mobile numbers

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The 25 largest environmental sustainability software developers based in the United Kingdom

Ranked by team size

Top 25 of 326 environmental sustainability software developers 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	Ecoonline	London	501-1,000	629	328
2	Cority	London	501-1,000	591	478
3	ADP Consulting	London	201-500	463	270
4	Valpak Limited	Stratford-Upon-Avon	201-500	364	264
5	Evora Global	London	51-200	149	120
6	Measurabl	Reading	201-500	138	86
7	Weefin	London	51-200	119	34
8	Altruistiq	London	51-200	81	42
9	Team Energy Auditing Agency LTD	Milton Keynes	51-200	70	31
10	The Miles Consultancy	Crewe	51-200	67	17
11	ERM Libryo	London	5,001-10,000	65	23
12	Track Record Global	London	51-200	64	26
13	Manufacture 2030 M2030	Oxford	51-200	62	18
14	Kinto Join Limited	Epsom	51-200	61	46
15	Action Sustainability	London	51-200	61	44
16	Cura Terrae	Manchester	201-500	50	28
17	WRM	Otley	11-50	47	17
18	ETUDE	London	11-50	47	17
19	Minviro	London	11-50	45	22
20	Diginex Nasdaq Dgnx	London	51-200	41	25
21	Carbonchain	London	11-50	41	21
22	Anthesis Nl-Be	London	1,001-5,000	38	27
23	Natcap	Oxford	11-50	35	26
24	Envance	Stockport	11-50	29	23
25	51tocarbonzero	n/a	11-50	25	14

Showing 25 of 326 environmental sustainability software developers based in the United Kingdom

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Environmental sustainability software developers based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 148 HQs

483Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

199

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Environmental sustainability software developers by metro

Metro	Companies
Environmental sustainability software developers in London	148
Environmental sustainability software developers in Manchester	9
Environmental sustainability software developers in Edinburgh	8
Environmental sustainability software developers in Bristol	7
Environmental sustainability software developers in Bath	5
Environmental sustainability software developers in Birmingham	4
Environmental sustainability software developers in Belfast	4

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 “environmental sustainability software developers”, 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; 0 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 environmental sustainability software developers are there based in the United Kingdom?

There are 326 environmental sustainability software developers headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Ecoonline, headquartered in London, tops this list with the largest team on record.

Which city has the most environmental sustainability software developers?

London leads with 148 headquartered companies, followed by Manchester (9) and Edinburgh (8).

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 2,679 verified decision-maker contacts tracked across these 326 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.