Company lists · Data verified August 2026

Top 25 Esg consulting firms based in Ireland

Name: Esg consulting firms based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 75 companies tracked

There are 75 esg consulting firms headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 295 professional contacts across them, including 131 with verified work emails and 13 with mobile numbers. Dublin is the largest hub.

This list covers esg consulting firms headquartered in Ireland, 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.

75Companies

295Contacts tracked

131Verified emails

13Mobile numbers

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The 25 largest esg consulting firms based in Ireland

Ranked by team size

Top 25 of 75 esg consulting firms based in Ireland, 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	Enviroguide A DNV Company	n/a	11-50	23	13
2	Antaris Consulting	n/a	11-50	20	9
3	Speco Sustainability Consultancy	Oranmore	1-10	14	8
4	Sustainabilityworks Ireland	Dublin	1-10	13	11
5	Iqutech	Limerick	11-50	12	4
6	Meehan Green, A KEO Company	n/a	11-50	11	6
7	Carbon Complete	Galway	1-10	11	2
8	Visiongreen Consultancy	Carlow	1-10	8	7
9	Greenstreets Environmental Resources LTD	n/a	11-50	8	5
10	ENSEN	Xxx	11-50	7	3
11	Philip Farrelly & CO	Balbriggan	1-10	6	6
12	Mantra Strategy	Dublin	1-10	6	5
13	Future Planet	Cork	1-10	6	4
14	Climate Matters LTD	Dublin	11-50	5	5
15	Integrated Risk Solutions Ireland	Dublin	11-50	5	5
16	Panther Environmental Solutions LTD	n/a	1-10	5	3
17	CYD Connects	Dublin	1-10	5	2
18	Environet Solutions	Dungarvan	1-10	5	2
19	Evia Sustainable Real Estate Limited	Dublin	11-50	4	4
20	Stepstone Consulting	n/a	1-10	4	3
21	Workpillar	Sandyford	201-500	4	2
22	Sustainabil-It	Dublin	1-10	3	3
23	Ecos Environmental Consultants Limited	n/a	1-10	3	2
24	White Spire	Dublin	1-10	3	1
25	Pragmatica B Corp	Naas	1-10	2	2

Showing 25 of 75 esg consulting firms based in Ireland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 131 reachable decision-makers.

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Esg consulting firms based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 26 HQs

13Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

201-500

Esg consulting firms by metro

Metro	Companies
Esg consulting firms in Dublin	26
Esg consulting firms in Cork	3
Esg consulting firms in Galway	3
Esg consulting firms in Naas	2
Esg consulting firms in Limerick	2
Esg consulting firms in Blackrock	2
Esg consulting firms in Ireland	2

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 “esg consulting firms”, with match quality audited by blind human judging, and headquartered in Ireland.
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 esg consulting firms are there based in Ireland?

There are 75 esg consulting firms headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

Enviroguide A DNV Company, headquartered in Ireland, tops this list with the largest team on record.

Which city has the most esg consulting firms?

Dublin leads with 26 headquartered companies, followed by Cork (3) and Galway (3).

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 131 verified decision-maker contacts tracked across these 75 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.