Company lists · Data refreshed September 2026
Top 25 Sustainability consulting services based in Ireland
RevenueBase identified 132 company matches for sustainability consulting services associated with Ireland as of September 2026 and tracks 1,633 professional contacts across them, including 422 with verified work emails. Dublin is the largest hub.
This list covers company matches for sustainability consulting services associated with Ireland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.
The 25 largest sustainability consulting services based in Ireland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 116 contacts → | ||||
Exact match “Fehily Timoney and Company is a Irish civil and environmental, engineering, scientific and planning consultancy specialising in the areas of Sustainable Infrastructure, Planning…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 99 contacts → | ||||
Exact match “Waterman Moylan is a leading engineering and environmental consultancy providing specialist services to our clients in the property, infrastructure and environment markets in…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 56 contacts → | ||||
Exact match “H2 Compliance, part of the Landbell Group, is a global consultancy helping businesses navigate the complex world of chemical, environmental, and circular economy compliance.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 42 contacts → | ||||
Exact match “Climeaction Cork & Boston | B Corp Certified | ISO 9001 & Accredited Climeaction is an industrial decarbonisation and carbon intelligence company.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 37 contacts → | ||||
Exact match “ERINN Innovation: Guiding Impactful Research for a Sustainable Future Founded in 2017, ERINN Innovation blossomed from AquaTT UETP CLG's enduring legacy of championing research…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 32 contacts → | ||||
Exact match “Complex operations made simple.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 24 contacts → | ||||
Exact match “Helping Businesses Cut Energy Costs by up to 50% & Accelerate Their Journey to Net Zero!” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “Enviroguide Consulting has an established reputation for delivering environmental and sustainability consultancy services including ecology, environmental impact assessment…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 21 contacts → | ||||
Exact match “Climate change, ESG requirements and the transition to a low-carbon economy are reshaping the future of real estate.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 20 contacts → | ||||
Exact match “Founded in 1994, Antaris is an independent, Irish-owned consultancy and training firm with expertise in ISO Management Systems, Environment, Energy, Sustainability and Climate…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 18 contacts → | ||||
Exact match “Welcome to Plan Energy, your trusted partner in decarbonisation and renewable energy.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “Providing expert design, energy consulting & training in high performance buildings since 1993.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “Passive Dynamics was set up in 2020 with a vision that expert knowledge and passion can empower.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 15 contacts → | ||||
Exact match “AXIS environmental services provide a professionally tailored environmental consultancy to both the private and public sector.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “SustainabilityWorks is a consultancy on a mission to accelerate climate action and sustainability in Ireland.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “Speco Sustainability Consultancy Ltd.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 13 contacts → | ||||
Exact match “Mechanical, Electrical and Sustainability Consulting Engineers” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 12 contacts → | ||||
Exact match “JAK Consulting Engineers is a leading multi-award winning MEP design and sustainable energy consultancy firm in Ireland, UK, Middle East and Asia.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 12 contacts → | ||||
Exact match “At IQUTECH we have long understood and recognised that the best solution to the current disposable model of business is a circular solution.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 11 contacts → | ||||
Exact match “Meehan Green is a company based in Dublin, Ireland that provides sustainability and green building certifications consulting services.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 11 contacts → | ||||
Exact match “At Carbon Complete, we specialize in guiding businesses through the complexities of environmental regulations with expert CBAM reporting, sustainability consultancy, and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 11 contacts → | ||||
Exact match “Veri Connect empowers your organisation to deliver measurable sustainability outcomes.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 10 contacts → | ||||
Exact match “Our mission is to help improve our clients’ environmental performance in cost effective and practical ways and as a result build a long term relationship.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 10 contacts → | ||||
Exact match “Boylan Consulting is a motivated, progressive consultancy whose main objective is to provide high quality integrated solutions serving public and private sector clients in the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “Geaney Engineering Consultants are a building services consultancy, and energy management firm offering comprehensive engineering services, project management services, carbon…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “sustainability consulting services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 132 sustainability consulting services based in Ireland
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Sustainability consulting services based in Ireland at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 132 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Ireland whose business descriptions match “sustainability consulting services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 422 professional contacts with verified work emails across the full matched dataset. 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 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “sustainability consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sustainability consulting services are there based in Ireland?
RevenueBase identified 132 company matches for sustainability consulting services associated with Ireland as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Fehily Timoney And Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most sustainability consulting services?
Dublin leads with 36 company records, followed by Cork (10) and Galway (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 422 professional contacts with verified work emails tracked across these 132 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 132 sustainability consulting services based in Ireland. Start with a free account, no credit card.
Download this list →Related lists
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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 SmartSearch, 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.
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Company intelligence · public preview
Top 25 sustainability consulting services based in Ireland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 132 matching company records for sustainability consulting services based in Ireland, with 1,633 tracked contacts and 422 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 sustainability consulting services based in Ireland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Fehily Timoney And Companyfehilytimoney.ieHQ: Cork, IrelandReported employees: 51-200 | Cork, Ireland | 51-200 | Exact match | 116 contacts → |
“Fehily Timoney and Company is a Irish civil and environmental, engineering, scientific and planning consultancy specialising in the areas of Sustainable Infrastructure, Planning…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Waterman Moylan Consulting Engineerswaterman-moylan.ieHQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 99 contacts → |
“Waterman Moylan is a leading engineering and environmental consultancy providing specialist services to our clients in the property, infrastructure and environment markets in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  H2 Complianceh2compliance.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 56 contacts → |
“H2 Compliance, part of the Landbell Group, is a global consultancy helping businesses navigate the complex world of chemical, environmental, and circular economy compliance.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Climeactionclimeaction.comHQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 42 contacts → |
“Climeaction Cork & Boston | B Corp Certified | ISO 9001 & Accredited Climeaction is an industrial decarbonisation and carbon intelligence company.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Erinn Innovationerinn.eu HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 37 contacts → |
“ERINN Innovation: Guiding Impactful Research for a Sustainable Future Founded in 2017, ERINN Innovation blossomed from AquaTT UETP CLG's enduring legacy of championing research…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  KSN Energyksn.ieHQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 32 contacts → |
“Complex operations made simple.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Lawler Sustainabilitylawlersustainability.comHQ: Kilkenny, IrelandReported employees: 11-50 | Kilkenny, Ireland | 11-50 | Exact match | 24 contacts → |
“Helping Businesses Cut Energy Costs by up to 50% & Accelerate Their Journey to Net Zero!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Enviroguide A DNV Companyenviroguide.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 22 contacts → |
“Enviroguide Consulting has an established reputation for delivering environmental and sustainability consultancy services including ecology, environmental impact assessment…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  KSN Horizonksnhorizon.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 21 contacts → |
“Climate change, ESG requirements and the transition to a low-carbon economy are reshaping the future of real estate.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Antaris Consultingantarisconsulting.comHQ: Limerick, IrelandReported employees: 11-50 | Limerick, Ireland | 11-50 | Exact match | 20 contacts → |
“Founded in 1994, Antaris is an independent, Irish-owned consultancy and training firm with expertise in ISO Management Systems, Environment, Energy, Sustainability and Climate…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Plan Energyplanenergy.comHQ: Sligo, IrelandReported employees: 11-50 | Sligo, Ireland | 11-50 | Exact match | 18 contacts → |
“Welcome to Plan Energy, your trusted partner in decarbonisation and renewable energy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mosartmosart.ie HQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 17 contacts → |
“Providing expert design, energy consulting & training in high performance buildings since 1993.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Passive Dynamicspassivedynamics.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 15 contacts → |
“Passive Dynamics was set up in 2020 with a vision that expert knowledge and passion can empower.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Axis Environmental Services LTDaxisenv.ieHQ: Clondrinagh, IrelandReported employees: 1-10 | Clondrinagh, Ireland | 1-10 | Exact match | 15 contacts → |
“AXIS environmental services provide a professionally tailored environmental consultancy to both the private and public sector.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sustainabilityworks Irelandsustainabilityworks.ieHQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 14 contacts → |
“SustainabilityWorks is a consultancy on a mission to accelerate climate action and sustainability in Ireland.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Speco Sustainability Consultancyspeco.ieHQ: Galway, IrelandReported employees: 1-10 | Galway, Ireland | 1-10 | Exact match | 14 contacts → |
“Speco Sustainability Consultancy Ltd.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  ENXenx.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“Mechanical, Electrical and Sustainability Consulting Engineers” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  JAK Consulting Engineersjak.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 12 contacts → |
“JAK Consulting Engineers is a leading multi-award winning MEP design and sustainable energy consultancy firm in Ireland, UK, Middle East and Asia.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Iqutechiqutech.comHQ: Annacotty, IrelandReported employees: 11-50 | Annacotty, Ireland | 11-50 | Exact match | 12 contacts → |
“At IQUTECH we have long understood and recognised that the best solution to the current disposable model of business is a circular solution.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Meehan Green, A KEO Companymeehangreen.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 11 contacts → |
“Meehan Green is a company based in Dublin, Ireland that provides sustainability and green building certifications consulting services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Carbon Completecarboncomplete.comHQ: Galway, IrelandReported employees: 1-10 | Galway, Ireland | 1-10 | Exact match | 11 contacts → |
“At Carbon Complete, we specialize in guiding businesses through the complexities of environmental regulations with expert CBAM reporting, sustainability consultancy, and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Veri Connectvericonnect.ieHQ: Kilkenny, IrelandReported employees: 11-50 | Kilkenny, Ireland | 11-50 | Exact match | 11 contacts → |
“Veri Connect empowers your organisation to deliver measurable sustainability outcomes.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Environmental Efficiencyenviro-consult.comHQ: Bray, IrelandReported employees: 1-10 | Bray, Ireland | 1-10 | Exact match | 10 contacts → |
“Our mission is to help improve our clients’ environmental performance in cost effective and practical ways and as a result build a long term relationship.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Boylan Consultingboylanconsulting.ie HQ: IrelandReported employees: 1-10 | Ireland | 1-10 | Exact match | 10 contacts → |
“Boylan Consulting is a motivated, progressive consultancy whose main objective is to provide high quality integrated solutions serving public and private sector clients in the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Geaney Engineering Consultantsgeaneyengineering.ieHQ: Waterford, IrelandReported employees: 11-50 | Waterford, Ireland | 11-50 | Exact match | 9 contacts → |
“Geaney Engineering Consultants are a building services consultancy, and energy management firm offering comprehensive engineering services, project management services, carbon…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 132 company matches
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Sustainability consulting services: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
132 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 132 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for sustainability consulting services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many sustainability consulting services did RevenueBase find based in Ireland?
The saved snapshot records 132 matching company records, 1,633 tracked contacts and 422 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Sustainability consulting services by geography
- Sustainability consulting services based in Buenos Aires, Argentina
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- Sustainability consulting services based in Melbourne, Australia
- Sustainability consulting services based in Perth, Australia
- Sustainability consulting services based in Sydney, Australia
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- Sustainability consulting services based in Campinas, Brazil
- Sustainability consulting services based in Curitiba, Brazil
- Sustainability consulting services based in Fortaleza, Brazil
- Sustainability consulting services based in Piracicaba, Brazil
- Sustainability consulting services based in Porto Alegre, Brazil
Cite this list
RevenueBase Data Team. Top 25 sustainability consulting services based in Ireland. Snapshot: September 22, 2026. https://revenuebase.ai/companies/sustainability-consulting-services/ireland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
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- Lists A-Z
- New lists
- Sustainability consulting services based in Buenos Aires, Argentina
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Company intelligence · public preview
Top 25 sustainability consulting services based in Ireland
RevenueBase records 132 matching company records for sustainability consulting services based in Ireland, with 1,633 tracked contacts and 422 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 sustainability consulting services based in Ireland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Fehily Timoney And Companyfehilytimoney.ie HQ: Cork, IrelandReported employees: 51-200 | Cork, Ireland | 51-200 | Exact match | 116 contacts → |
“Fehily Timoney and Company is a Irish civil and environmental, engineering, scientific and planning consultancy specialising in the areas of Sustainable Infrastructure, Planning…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Waterman Moylan Consulting Engineerswaterman-moylan.ie HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 99 contacts → |
“Waterman Moylan is a leading engineering and environmental consultancy providing specialist services to our clients in the property, infrastructure and environment markets in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | H2 Complianceh2compliance.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 56 contacts → |
“H2 Compliance, part of the Landbell Group, is a global consultancy helping businesses navigate the complex world of chemical, environmental, and circular economy compliance.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Climeactionclimeaction.com HQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 42 contacts → |
“Climeaction Cork & Boston | B Corp Certified | ISO 9001 & Accredited Climeaction is an industrial decarbonisation and carbon intelligence company.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Erinn Innovationerinn.eu HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 37 contacts → |
“ERINN Innovation: Guiding Impactful Research for a Sustainable Future Founded in 2017, ERINN Innovation blossomed from AquaTT UETP CLG's enduring legacy of championing research…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | KSN Energyksn.ie HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 32 contacts → |
“Complex operations made simple.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lawler Sustainabilitylawlersustainability.com HQ: Kilkenny, IrelandReported employees: 11-50 | Kilkenny, Ireland | 11-50 | Exact match | 24 contacts → |
“Helping Businesses Cut Energy Costs by up to 50% & Accelerate Their Journey to Net Zero!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Enviroguide A DNV Companyenviroguide.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 22 contacts → |
“Enviroguide Consulting has an established reputation for delivering environmental and sustainability consultancy services including ecology, environmental impact assessment…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | KSN Horizonksnhorizon.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 21 contacts → |
“Climate change, ESG requirements and the transition to a low-carbon economy are reshaping the future of real estate.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Antaris Consultingantarisconsulting.com HQ: Limerick, IrelandReported employees: 11-50 | Limerick, Ireland | 11-50 | Exact match | 20 contacts → |
“Founded in 1994, Antaris is an independent, Irish-owned consultancy and training firm with expertise in ISO Management Systems, Environment, Energy, Sustainability and Climate…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Plan Energyplanenergy.com HQ: Sligo, IrelandReported employees: 11-50 | Sligo, Ireland | 11-50 | Exact match | 18 contacts → |
“Welcome to Plan Energy, your trusted partner in decarbonisation and renewable energy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mosartmosart.ie HQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 17 contacts → |
“Providing expert design, energy consulting & training in high performance buildings since 1993.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Passive Dynamicspassivedynamics.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 15 contacts → |
“Passive Dynamics was set up in 2020 with a vision that expert knowledge and passion can empower.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Axis Environmental Services LTDaxisenv.ie HQ: Clondrinagh, IrelandReported employees: 1-10 | Clondrinagh, Ireland | 1-10 | Exact match | 15 contacts → |
“AXIS environmental services provide a professionally tailored environmental consultancy to both the private and public sector.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sustainabilityworks Irelandsustainabilityworks.ie HQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 14 contacts → |
“SustainabilityWorks is a consultancy on a mission to accelerate climate action and sustainability in Ireland.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Speco Sustainability Consultancyspeco.ie HQ: Galway, IrelandReported employees: 1-10 | Galway, Ireland | 1-10 | Exact match | 14 contacts → |
“Speco Sustainability Consultancy Ltd.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ENXenx.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“Mechanical, Electrical and Sustainability Consulting Engineers” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | JAK Consulting Engineersjak.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 12 contacts → |
“JAK Consulting Engineers is a leading multi-award winning MEP design and sustainable energy consultancy firm in Ireland, UK, Middle East and Asia.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Iqutechiqutech.com HQ: Annacotty, IrelandReported employees: 11-50 | Annacotty, Ireland | 11-50 | Exact match | 12 contacts → |
“At IQUTECH we have long understood and recognised that the best solution to the current disposable model of business is a circular solution.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Meehan Green, A KEO Companymeehangreen.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 11 contacts → |
“Meehan Green is a company based in Dublin, Ireland that provides sustainability and green building certifications consulting services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Carbon Completecarboncomplete.com HQ: Galway, IrelandReported employees: 1-10 | Galway, Ireland | 1-10 | Exact match | 11 contacts → |
“At Carbon Complete, we specialize in guiding businesses through the complexities of environmental regulations with expert CBAM reporting, sustainability consultancy, and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Veri Connectvericonnect.ie HQ: Kilkenny, IrelandReported employees: 11-50 | Kilkenny, Ireland | 11-50 | Exact match | 11 contacts → |
“Veri Connect empowers your organisation to deliver measurable sustainability outcomes.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Environmental Efficiencyenviro-consult.com HQ: Bray, IrelandReported employees: 1-10 | Bray, Ireland | 1-10 | Exact match | 10 contacts → |
“Our mission is to help improve our clients’ environmental performance in cost effective and practical ways and as a result build a long term relationship.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Boylan Consultingboylanconsulting.ie HQ: IrelandReported employees: 1-10 | Ireland | 1-10 | Exact match | 10 contacts → |
“Boylan Consulting is a motivated, progressive consultancy whose main objective is to provide high quality integrated solutions serving public and private sector clients in the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Geaney Engineering Consultantsgeaneyengineering.ie HQ: Waterford, IrelandReported employees: 11-50 | Waterford, Ireland | 11-50 | Exact match | 9 contacts → |
“Geaney Engineering Consultants are a building services consultancy, and energy management firm offering comprehensive engineering services, project management services, carbon…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 132 company matches
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Sustainability consulting services: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
132 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 132 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for sustainability consulting services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many sustainability consulting services did RevenueBase find based in Ireland?
The saved snapshot records 132 matching company records, 1,633 tracked contacts and 422 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 sustainability consulting services based in Ireland. Snapshot: September 22, 2026. https://revenuebase.ai/companies/sustainability-consulting-services/ireland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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