Company lists · Data verified August 2026

Top 14 Environmental compliance consulting firms based in Ireland

Name: Environmental compliance 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 28 companies tracked

There are 28 environmental compliance consulting firms headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 170 professional contacts across them, including 85 with verified work emails and 10 with mobile numbers. Dublin is the largest hub.

This list covers environmental compliance 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.

28Companies

170Contacts tracked

85Verified emails

10Mobile numbers

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The 14 largest environmental compliance consulting firms based in Ireland

Ranked by team size

Top 14 of 28 environmental compliance 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	Malone O'regan Environmental	Dublin	11-50	36	35
2	Enviroguide A DNV Company	n/a	11-50	23	13
3	Speco Sustainability Consultancy	Oranmore	1-10	14	8
4	Carbon Complete	Galway	1-10	11	2
5	Greenstreets Environmental Resources LTD	n/a	11-50	8	5
6	Coyle Environmental	n/a	1-10	7	6
7	Integrated Risk Solutions Ireland	Dublin	11-50	5	5
8	Panther Environmental Solutions LTD	n/a	1-10	5	3
9	Environet Solutions	Dungarvan	1-10	5	2
10	Ecos Environmental Consultants Limited	n/a	1-10	3	2
11	Evolution Environmental Services LTD	n/a	11-50	2	1
12	Traynor Environmental LTD	n/a	1-10	2	1
13	Ecoquest Environmental	Galway	1-10	1	1
14	Keohane Consulting Engineers LTD	Blarney	1-10	1	1

Showing 14 of 28 environmental compliance consulting firms based in Ireland

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Environmental compliance consulting firms based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 5 HQs

10Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Environmental compliance consulting firms by metro

Metro	Companies
Environmental compliance consulting firms in Dublin	5
Environmental compliance consulting firms in Tullamore	2
Environmental compliance consulting firms in Galway	2
Environmental compliance consulting firms in Sligo	1
Environmental compliance consulting firms in Loughrea	1
Environmental compliance consulting firms in Blackrock	1
Environmental compliance consulting firms in Ashbourne	1

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 compliance 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 environmental compliance consulting firms are there based in Ireland?

There are 28 environmental compliance consulting firms headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

Malone O'regan Environmental, headquartered in Dublin, tops this list with the largest team on record.

Which city has the most environmental compliance consulting firms?

Dublin leads with 5 headquartered companies, followed by Tullamore (2) and Galway (2).

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 85 verified decision-maker contacts tracked across these 28 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.