Company lists · Data refreshed October 2026
Top 25 Green building and energy efficiency contractors based in Ireland
RevenueBase identified 71 company matches for green building and energy efficiency contractors associated with Ireland as of October 2026 and tracks 907 professional contacts across them, including 391 with verified work emails. Dublin is the largest hub.
This list covers company matches for green building and energy efficiency contractors 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 October 13, 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 green building and energy efficiency contractors based in Ireland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 186 contacts → | ||||
Exact match “Driving ESG Success Through Precision Engineering Investors today face increasing pressure to achieve higher building performance standards, meet strict sustainability targets…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 105 contacts → | ||||
Exact match “Engineering Firm of the Year 2025 - Engineering Excellence Awards 2025 Great Place To Work 2025-2026 accredited IN2 is a modern building services and environmental engineering…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 59 contacts → | ||||
Exact match “Kilcawley Construction provide comprehensive construction services in a wide range of sectors including commercial, educational, pharmaceutical, healthcare, hospitality…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 57 contacts → | ||||
Exact match “SE Systems (Sustainable Energy Systems) is Ireland's leading energy solutions provider.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 46 contacts → | ||||
Exact match “Electric Ireland Superhomes is a One Stop Shop which looks after all the key stages of a home energy retrofit, from retrofit design through to project completion and management of…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 46 contacts → | ||||
Exact match “Swyft Energy is an online platform that streamlines energy efficient upgrades for homeowner’s saving them time, hassle and money.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 32 contacts → | ||||
Exact match “Complex operations made simple.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 22 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “House 2 Home has been Ireland's leading 'one stop shop' for energy upgrades since 2013.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 18 contacts → | ||||
Exact match “Passive House Systems is a leading supplier of energy conserving products used in domestic new-build and retrofit building projects.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match “Mechanical, Electrical and Sustainability Consulting Engineers” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 13 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “Encon is a sustainable building, retrofit, and renewables company committed to transforming how Ireland builds, renovates, and powers its spaces.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “We are the next generation of M&E consulting engineers, dedicated to designing systems for low-carbon, intelligent, self-optimising spaces that enhance occupant well-being, and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Our working lives are constantly being transformed by new thinking and new technology.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 11 contacts → | ||||
Exact match “Don O'Malley & Partners was established in 1967 and is one of Ireland’s leading Consulting Engineering Practices in Building Services Engineering.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Architecture - Interiors - Low Energy / Passive Building - Public Realm / Urban Design” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “Synergy Engineering Limited (SEL) specializes in the design and development of building services, delivering innovative engineering solutions for commercial, retail, and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “We are a tight knit in‐house team of designers, architects and builders, committed to creating beautiful, energy efficient homes and buildings, working towards a passive standard.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “At Vivid Edge, we're passionate about helping our customers save precious time and funds while cutting carbon.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Providing expert design, energy consulting & training in high performance buildings since 1993.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “We bring warmth, comfort and fresh air to your home or business with a keen emphasis on performance and quality.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Our focus is on designing simple sustainable buildings that respect their context.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Energy consultants BER Assessors Airtightness testing Ventilation Validation” Recorded in the RevenueBase company graph · Oct 13, 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 “green building and energy efficiency contractors”. 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 71 green building and energy efficiency contractors based in Ireland
See the full list, filter by size, metro and specialty, and access 391 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Green building and energy efficiency contractors based in Ireland at a glance
As of Oct 13, 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 71 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 “green building and energy efficiency contractors” 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 391 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 October 13, 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 “green building and energy efficiency contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many green building and energy efficiency contractors are there based in Ireland?
RevenueBase identified 71 company matches for green building and energy efficiency contractors associated with Ireland as of October 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?
Tritech Engineering tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most green building and energy efficiency contractors?
Dublin leads with 16 company records, followed by Cork (5) and Galway (2).
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 391 professional contacts with verified work emails tracked across these 71 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 October 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 71 green building and energy efficiency contractors based in Ireland. Start with a free account, no credit card.
Download this list →Related lists
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- Green building and energy efficiency contractors based in Chennai, India
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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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- New lists
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Company intelligence · public preview
Top 25 green building and energy efficiency contractors 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 71 matching company records for green building and energy efficiency contractors based in Ireland, with 907 tracked contacts and 391 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: October 13, 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 green building and energy efficiency contractors 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 |  Tritech Engineeringtritech.ieHQ: Dublin 22, IrelandReported employees: 201-500 | Dublin 22, Ireland | 201-500 | Exact match | 186 contacts → |
“Driving ESG Success Through Precision Engineering Investors today face increasing pressure to achieve higher building performance standards, meet strict sustainability targets…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  In2 Engineeringin2.ieHQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 105 contacts → |
“Engineering Firm of the Year 2025 - Engineering Excellence Awards 2025 Great Place To Work 2025-2026 accredited IN2 is a modern building services and environmental engineering…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Kilcawley Constructionkilcawleyconstruction.comHQ: Sligo, IrelandReported employees: 51-200 | Sligo, Ireland | 51-200 | Exact match | 59 contacts → |
“Kilcawley Construction provide comprehensive construction services in a wide range of sectors including commercial, educational, pharmaceutical, healthcare, hospitality…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  SE Systemssesystems.ieHQ: Cork, IrelandReported employees: 51-200 | Cork, Ireland | 51-200 | Exact match | 57 contacts → |
“SE Systems (Sustainable Energy Systems) is Ireland's leading energy solutions provider.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Electric Ireland Superhomeselectricirelandsuperhomes.ie HQ: Thurles, IrelandReported employees: 11-50 | Thurles, Ireland | 11-50 | Exact match | 46 contacts → |
“Electric Ireland Superhomes is a One Stop Shop which looks after all the key stages of a home energy retrofit, from retrofit design through to project completion and management of…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Swyft Energyswyftenergy.ieHQ: Bishopstown, IrelandReported employees: 51-200 | Bishopstown, Ireland | 51-200 | Exact match | 46 contacts → |
“Swyft Energy is an online platform that streamlines energy efficient upgrades for homeowner’s saving them time, hassle and money.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  KSN Energyksn.ieHQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 32 contacts → |
“Complex operations made simple.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  KSN Horizonksnhorizon.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 22 contacts → |
“Climate change, ESG requirements and the transition to a low-carbon economy are reshaping the future of real estate.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | House 2 Home Retrofit LTDhouse2home.ie HQ: Dublin 12, IrelandReported employees: 11-50 | Dublin 12, Ireland | 11-50 | Exact match | 20 contacts → |
“House 2 Home has been Ireland's leading 'one stop shop' for energy upgrades since 2013.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Passive House Systemspassivehousesystems.ie HQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 18 contacts → |
“Passive House Systems is a leading supplier of energy conserving products used in domestic new-build and retrofit building projects.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  ENXenx.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 15 contacts → |
“Mechanical, Electrical and Sustainability Consulting Engineers” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Meehan Green, A KEO Companymeehangreen.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“Meehan Green is a company based in Dublin, Ireland that provides sustainability and green building certifications consulting services.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ENCONencon.ieHQ: Waterford, IrelandReported employees: 11-50 | Waterford, Ireland | 11-50 | Exact match | 13 contacts → |
“Encon is a sustainable building, retrofit, and renewables company committed to transforming how Ireland builds, renovates, and powers its spaces.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Systemcoresystemcore.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“We are the next generation of M&E consulting engineers, dedicated to designing systems for low-carbon, intelligent, self-optimising spaces that enhance occupant well-being, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  ICONSiconsgroup.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 12 contacts → |
“Our working lives are constantly being transformed by new thinking and new technology.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Limerick, IrelandReported employees: 11-50 | Limerick, Ireland | 11-50 | Exact match | 11 contacts → |
“Don O'Malley & Partners was established in 1967 and is one of Ireland’s leading Consulting Engineering Practices in Building Services Engineering.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Helena Mcelmeel Architectsmcelmeel.ie HQ: Galway, IrelandReported employees: 1-10 | Galway, Ireland | 1-10 | Exact match | 9 contacts → |
“Architecture - Interiors - Low Energy / Passive Building - Public Realm / Urban Design” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Synergy Engineering LTDsynergyengineering.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 8 contacts → |
“Synergy Engineering Limited (SEL) specializes in the design and development of building services, delivering innovative engineering solutions for commercial, retail, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ecohouse Developments Limitedecohouse.ieHQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 8 contacts → |
“We are a tight knit in‐house team of designers, architects and builders, committed to creating beautiful, energy efficient homes and buildings, working towards a passive standard.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Vivid Edgevividedge.ieHQ: Ucd Belfield Dublin 4, IrelandReported employees: 1-10 | Ucd Belfield Dublin 4, Ireland | 1-10 | Exact match | 5 contacts → |
“At Vivid Edge, we're passionate about helping our customers save precious time and funds while cutting carbon.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mosartmosart.ie HQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 4 contacts → |
“Providing expert design, energy consulting & training in high performance buildings since 1993.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Comfort Solutions Retrofitcomfortsolutions.ie HQ: Newport, IrelandReported employees: 11-50 | Newport, Ireland | 11-50 | Exact match | 4 contacts → |
“We bring warmth, comfort and fresh air to your home or business with a keen emphasis on performance and quality.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Hussey Architectshusseyarchitects.com HQ: Dublin 4, IrelandReported employees: 1-10 | Dublin 4, Ireland | 1-10 | Exact match | 3 contacts → |
“Our focus is on designing simple sustainable buildings that respect their context.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Midway Energy Services Irelandmidwayenergyservices.ieHQ: Birr, IrelandReported employees: 1-10 | Birr, Ireland | 1-10 | Exact match | 3 contacts → |
“Energy consultants BER Assessors Airtightness testing Ventilation Validation” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 71 company matches
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Green building and energy efficiency contractors: dataset insights
October 13, 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
71 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 71 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: October 13, 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 green building and energy efficiency contractors?
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 green building and energy efficiency contractors did RevenueBase find based in Ireland?
The saved snapshot records 71 matching company records, 907 tracked contacts and 391 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: October 13, 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
Green building and energy efficiency contractors by geography
- Green building and energy efficiency contractors based in Melbourne, Australia
- Green building and energy efficiency contractors based in Sydney, Australia
- Green building and energy efficiency contractors based in Sao Paulo, Brazil
- Green building and energy efficiency contractors based in Toronto, Canada
- Green building and energy efficiency contractors based in Vancouver, Canada
- Green building and energy efficiency contractors based in Paris, France
- Green building and energy efficiency contractors based in Berlin, Germany
- Green building and energy efficiency contractors based in Hamburg, Germany
- Green building and energy efficiency contractors based in Munich, Germany
- Green building and energy efficiency contractors based in Bangalore, India
- Green building and energy efficiency contractors based in Chennai, India
- Green building and energy efficiency contractors based in Mumbai, India
Cite this list
RevenueBase Data Team. Top 25 green building and energy efficiency contractors based in Ireland. Snapshot: October 13, 2026. https://revenuebase.ai/companies/green-building-and-energy-efficiency-contractors/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
- Lists by location
- Lists A-Z
- New lists
- Green building and energy efficiency contractors based in Melbourne, Australia
- Green building and energy efficiency contractors based in Sydney, Australia
- Green building and energy efficiency contractors based in Sao Paulo, Brazil
- Green building and energy efficiency contractors based in Toronto, Canada
- Green building and energy efficiency contractors based in Vancouver, Canada
- Green building and energy efficiency contractors based in Paris, France
Company intelligence · public preview
Top 25 green building and energy efficiency contractors based in Ireland
RevenueBase records 71 matching company records for green building and energy efficiency contractors based in Ireland, with 907 tracked contacts and 391 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: October 13, 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 green building and energy efficiency contractors 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 | Tritech Engineeringtritech.ie HQ: Dublin 22, IrelandReported employees: 201-500 | Dublin 22, Ireland | 201-500 | Exact match | 186 contacts → |
“Driving ESG Success Through Precision Engineering Investors today face increasing pressure to achieve higher building performance standards, meet strict sustainability targets…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | In2 Engineeringin2.ie HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 105 contacts → |
“Engineering Firm of the Year 2025 - Engineering Excellence Awards 2025 Great Place To Work 2025-2026 accredited IN2 is a modern building services and environmental engineering…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kilcawley Constructionkilcawleyconstruction.com HQ: Sligo, IrelandReported employees: 51-200 | Sligo, Ireland | 51-200 | Exact match | 59 contacts → |
“Kilcawley Construction provide comprehensive construction services in a wide range of sectors including commercial, educational, pharmaceutical, healthcare, hospitality…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SE Systemssesystems.ie HQ: Cork, IrelandReported employees: 51-200 | Cork, Ireland | 51-200 | Exact match | 57 contacts → |
“SE Systems (Sustainable Energy Systems) is Ireland's leading energy solutions provider.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Electric Ireland Superhomeselectricirelandsuperhomes.ie HQ: Thurles, IrelandReported employees: 11-50 | Thurles, Ireland | 11-50 | Exact match | 46 contacts → |
“Electric Ireland Superhomes is a One Stop Shop which looks after all the key stages of a home energy retrofit, from retrofit design through to project completion and management of…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Swyft Energyswyftenergy.ie HQ: Bishopstown, IrelandReported employees: 51-200 | Bishopstown, Ireland | 51-200 | Exact match | 46 contacts → |
“Swyft Energy is an online platform that streamlines energy efficient upgrades for homeowner’s saving them time, hassle and money.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | KSN Energyksn.ie HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 32 contacts → |
“Complex operations made simple.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | KSN Horizonksnhorizon.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 22 contacts → |
“Climate change, ESG requirements and the transition to a low-carbon economy are reshaping the future of real estate.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | House 2 Home Retrofit LTDhouse2home.ie HQ: Dublin 12, IrelandReported employees: 11-50 | Dublin 12, Ireland | 11-50 | Exact match | 20 contacts → |
“House 2 Home has been Ireland's leading 'one stop shop' for energy upgrades since 2013.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Passive House Systemspassivehousesystems.ie HQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 18 contacts → |
“Passive House Systems is a leading supplier of energy conserving products used in domestic new-build and retrofit building projects.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ENXenx.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 15 contacts → |
“Mechanical, Electrical and Sustainability Consulting Engineers” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Meehan Green, A KEO Companymeehangreen.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“Meehan Green is a company based in Dublin, Ireland that provides sustainability and green building certifications consulting services.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ENCONencon.ie HQ: Waterford, IrelandReported employees: 11-50 | Waterford, Ireland | 11-50 | Exact match | 13 contacts → |
“Encon is a sustainable building, retrofit, and renewables company committed to transforming how Ireland builds, renovates, and powers its spaces.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Systemcoresystemcore.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“We are the next generation of M&E consulting engineers, dedicated to designing systems for low-carbon, intelligent, self-optimising spaces that enhance occupant well-being, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ICONSiconsgroup.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 12 contacts → |
“Our working lives are constantly being transformed by new thinking and new technology.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Limerick, IrelandReported employees: 11-50 | Limerick, Ireland | 11-50 | Exact match | 11 contacts → |
“Don O'Malley & Partners was established in 1967 and is one of Ireland’s leading Consulting Engineering Practices in Building Services Engineering.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Helena Mcelmeel Architectsmcelmeel.ie HQ: Galway, IrelandReported employees: 1-10 | Galway, Ireland | 1-10 | Exact match | 9 contacts → |
“Architecture - Interiors - Low Energy / Passive Building - Public Realm / Urban Design” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Synergy Engineering LTDsynergyengineering.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 8 contacts → |
“Synergy Engineering Limited (SEL) specializes in the design and development of building services, delivering innovative engineering solutions for commercial, retail, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ecohouse Developments Limitedecohouse.ie HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 8 contacts → |
“We are a tight knit in‐house team of designers, architects and builders, committed to creating beautiful, energy efficient homes and buildings, working towards a passive standard.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Vivid Edgevividedge.ie HQ: Ucd Belfield Dublin 4, IrelandReported employees: 1-10 | Ucd Belfield Dublin 4, Ireland | 1-10 | Exact match | 5 contacts → |
“At Vivid Edge, we're passionate about helping our customers save precious time and funds while cutting carbon.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mosartmosart.ie HQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 4 contacts → |
“Providing expert design, energy consulting & training in high performance buildings since 1993.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Comfort Solutions Retrofitcomfortsolutions.ie HQ: Newport, IrelandReported employees: 11-50 | Newport, Ireland | 11-50 | Exact match | 4 contacts → |
“We bring warmth, comfort and fresh air to your home or business with a keen emphasis on performance and quality.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Hussey Architectshusseyarchitects.com HQ: Dublin 4, IrelandReported employees: 1-10 | Dublin 4, Ireland | 1-10 | Exact match | 3 contacts → |
“Our focus is on designing simple sustainable buildings that respect their context.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Midway Energy Services Irelandmidwayenergyservices.ie HQ: Birr, IrelandReported employees: 1-10 | Birr, Ireland | 1-10 | Exact match | 3 contacts → |
“Energy consultants BER Assessors Airtightness testing Ventilation Validation” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 71 company matches
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Green building and energy efficiency contractors: dataset insights
October 13, 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
71 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 71 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: October 13, 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 green building and energy efficiency contractors?
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 green building and energy efficiency contractors did RevenueBase find based in Ireland?
The saved snapshot records 71 matching company records, 907 tracked contacts and 391 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: October 13, 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 green building and energy efficiency contractors based in Ireland. Snapshot: October 13, 2026. https://revenuebase.ai/companies/green-building-and-energy-efficiency-contractors/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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