Company lists · Data refreshed September 2026
Top 25 Energy efficient building companies based in Ireland
RevenueBase identified 82 company matches for energy efficient building companies associated with Ireland as of September 2026 and tracks 504 professional contacts across them, including 211 with verified work emails. Dublin is the largest hub.
This list covers company matches for energy efficient building companies 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 16, 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 energy efficient building companies based in Ireland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 56 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 22 contacts → | ||||
Exact match “GOOD DESIGN SHOULDN'T COST THE EARTH" Award winning RUA Architects have turned their focus to research and learning.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 21 contacts → | ||||
Exact match “Burke-Kennedy Doyle Architects is one of Ireland’s leading architectural practices and has been a key player in the provision of innovative and professional architectural design…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 20 contacts → | ||||
Exact match “JSA Architects is an Irish based practice established in 1983 with an office in Romania.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 19 contacts → | ||||
Exact match “Michael Fitzpatrick Architects Ltd are RIAI registered Architects with the Royal Institute of the Architects of Ireland.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 19 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 17 contacts → | ||||
Exact match “Providing expert design, energy consulting & training in high performance buildings since 1993.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “Symphony Energy is a global leader in optimising energy performance in the commercial built environment.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 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 16, 2026 · View company records in RevenueBase | |||||
| 10 | 15 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 14 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Mechanical, Electrical and Sustainability Consulting Engineers” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 13 contacts → | ||||
Exact match “Our working lives are constantly being transformed by new thinking and new technology.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 12 contacts → | ||||
Exact match “Building Performance Consulting Engineers Ltd.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “Ceardean is a collaborative of experienced designers and specialist consultants with a shared ethos of skilled making and design collaboration.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Architecture - Interiors - Low Energy / Passive Building - Public Realm / Urban Design” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 6 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “Codex Energy Consultants Ltd is a company of specialist engineering and energy consultants.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “AWARD winning Kingdom Installation Ltd is a privately owned company with over 20 years’ experience in the supply and installation of energy efficiency solutions to the Domestic…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Smith & Associates Architects are an award winning design orientated practice with a commitment to the quality of architectural design and client service at all stages from…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “WMA Ltd.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Specialties- Development & implementation of renewable energy & energy efficiency projects • Strategy development & investment planning • Energy savings planning & retrofits •…” Recorded in the RevenueBase company graph · Sep 16, 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Paul Doherty Architects (0749723131) are an RIAI registered Practice.” Recorded in the RevenueBase company graph · Sep 16, 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 “energy efficient building companies”. 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 82 energy efficient building companies based in Ireland
See the full list, filter by size, metro and specialty, and access 211 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy efficient building companies based in Ireland at a glance
As of Sep 16, 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 82 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 “energy efficient building companies” 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 211 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 16, 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 “energy efficient building companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficient building companies are there based in Ireland?
RevenueBase identified 82 company matches for energy efficient building companies 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?
Swyft Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most energy efficient building companies?
Dublin leads with 17 company records, followed by Galway (3) and Athlone (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 211 professional contacts with verified work emails tracked across these 82 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 82 energy efficient building companies 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy efficient building companies based in Toronto, Canada
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Company intelligence · public preview
Top 25 energy efficient building companies 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 82 matching company records for energy efficient building companies based in Ireland, with 504 tracked contacts and 211 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 16, 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 energy efficient building companies 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 |  Swyft Energyswyftenergy.ieHQ: Bishopstown, IrelandReported employees: 51-200 | Bishopstown, Ireland | 51-200 | Exact match | 56 contacts → |
“Swyft Energy is an online platform that streamlines energy efficient upgrades for homeowner’s saving them time, hassle and money.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  RUA Architectsruaarchitects.ieHQ: Kinsale, IrelandReported employees: 1-10 | Kinsale, Ireland | 1-10 | Exact match | 22 contacts → |
“GOOD DESIGN SHOULDN'T COST THE EARTH" Award winning RUA Architects have turned their focus to research and learning.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 21 contacts → |
“Burke-Kennedy Doyle Architects is one of Ireland’s leading architectural practices and has been a key player in the provision of innovative and professional architectural design…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  JSA Architects Irelandjsarch.ieHQ: Co. Dublin, IrelandReported employees: 11-50 | Co. Dublin, Ireland | 11-50 | Exact match | 20 contacts → |
“JSA Architects is an Irish based practice established in 1983 with an office in Romania.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Michael Fitzpatrick Architectsmfarchitects.ie HQ: Cavan, IrelandReported employees: 11-50 | Cavan, Ireland | 11-50 | Exact match | 19 contacts → |
“Michael Fitzpatrick Architects Ltd are RIAI registered Architects with the Royal Institute of the Architects of Ireland.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Passive House Systemspassivehousesystems.ie HQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 19 contacts → |
“Passive House Systems is a leading supplier of energy conserving products used in domestic new-build and retrofit building projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Symphony Energysymphonyenergy.comHQ: Wicklow, IrelandReported employees: 11-50 | Wicklow, Ireland | 11-50 | Exact match | 17 contacts → |
“Symphony Energy is a global leader in optimising energy performance in the commercial built environment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Systemcoresystemcore.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 15 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ENCONencon.ieHQ: Waterford, IrelandReported employees: 11-50 | Waterford, Ireland | 11-50 | Exact match | 14 contacts → |
“Encon is a sustainable building, retrofit, and renewables company committed to transforming how Ireland builds, renovates, and powers its spaces.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ICONSiconsgroup.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“Our working lives are constantly being transformed by new thinking and new technology.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  BPC Engineersbpcengineers.comHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 12 contacts → |
“Building Performance Consulting Engineers Ltd.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ceardean Architects LTDceardean.comHQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 12 contacts → |
“Ceardean is a collaborative of experienced designers and specialist consultants with a shared ethos of skilled making and design collaboration.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Vivid Edgevividedge.ieHQ: Ucd Belfield Dublin 4, IrelandReported employees: 1-10 | Ucd Belfield Dublin 4, Ireland | 1-10 | Exact match | 6 contacts → |
“At Vivid Edge, we're passionate about helping our customers save precious time and funds while cutting carbon.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Codex Energy Consultants LTDcodexenergy.ieHQ: Ballycoolin, IrelandReported employees: 1-10 | Ballycoolin, Ireland | 1-10 | Exact match | 6 contacts → |
“Codex Energy Consultants Ltd is a company of specialist engineering and energy consultants.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kingdom Installation LTDkingdominstallation.ie HQ: Abbeydorney, IrelandReported employees: 11-50 | Abbeydorney, Ireland | 11-50 | Exact match | 4 contacts → |
“AWARD winning Kingdom Installation Ltd is a privately owned company with over 20 years’ experience in the supply and installation of energy efficiency solutions to the Domestic…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Smith & Associates Architectsniallsmitharchitects.ie HQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 4 contacts → |
“Smith & Associates Architects are an award winning design orientated practice with a commitment to the quality of architectural design and client service at all stages from…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Cork, IrelandReported employees: 1-10 | Cork, Ireland | 1-10 | Exact match | 4 contacts → |
“WMA Ltd.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Scott Group Smart Buildingsscottgroup.ieHQ: Raheny, IrelandReported employees: 11-50 | Raheny, Ireland | 11-50 | Exact match | 3 contacts → |
“Specialties- Development & implementation of renewable energy & energy efficiency projects • Strategy development & investment planning • Energy savings planning & retrofits •…” Recorded description excerpt · September 16, 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Paul Doherty Architectsdohertyarchitects.com HQ: Donegal Town, IrelandReported employees: 1-10 | Donegal Town, Ireland | 1-10 | Exact match | 3 contacts → |
“Paul Doherty Architects (0749723131) are an RIAI registered Practice.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 82 company matches
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Energy efficient building companies: dataset insights
September 16, 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
82 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 82 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 16, 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 energy efficient building companies?
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 energy efficient building companies did RevenueBase find based in Ireland?
The saved snapshot records 82 matching company records, 504 tracked contacts and 211 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 16, 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
Energy efficient building companies by geography
- Energy efficient building companies based in Toronto, Canada
- Energy efficient building companies based in Vancouver, Canada
- Energy efficient building companies based in Berlin, Germany
- Energy efficient building companies based in Hamburg, Germany
- Energy efficient building companies based in Stuttgart, Germany
- Energy efficient building companies based in Bangalore, India
- Energy efficient building companies based in Chennai, India
- Energy efficient building companies based in Mumbai, India
- Energy efficient building companies based in New Delhi, India
- Energy efficient building companies based in Pune, India
- Energy efficient building companies based in Atlanta, United States
- Energy efficient building companies based in Austin, United States
Cite this list
RevenueBase Data Team. Top 25 energy efficient building companies based in Ireland. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-efficient-building-companies/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
- Energy efficient building companies based in Toronto, Canada
- Energy efficient building companies based in Vancouver, Canada
- Energy efficient building companies based in Berlin, Germany
- Energy efficient building companies based in Hamburg, Germany
- Energy efficient building companies based in Stuttgart, Germany
- Energy efficient building companies based in Bangalore, India
Company intelligence · public preview
Top 25 energy efficient building companies based in Ireland
RevenueBase records 82 matching company records for energy efficient building companies based in Ireland, with 504 tracked contacts and 211 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 16, 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 energy efficient building companies 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 | Swyft Energyswyftenergy.ie HQ: Bishopstown, IrelandReported employees: 51-200 | Bishopstown, Ireland | 51-200 | Exact match | 56 contacts → |
“Swyft Energy is an online platform that streamlines energy efficient upgrades for homeowner’s saving them time, hassle and money.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RUA Architectsruaarchitects.ie HQ: Kinsale, IrelandReported employees: 1-10 | Kinsale, Ireland | 1-10 | Exact match | 22 contacts → |
“GOOD DESIGN SHOULDN'T COST THE EARTH" Award winning RUA Architects have turned their focus to research and learning.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 21 contacts → |
“Burke-Kennedy Doyle Architects is one of Ireland’s leading architectural practices and has been a key player in the provision of innovative and professional architectural design…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | JSA Architects Irelandjsarch.ie HQ: Co. Dublin, IrelandReported employees: 11-50 | Co. Dublin, Ireland | 11-50 | Exact match | 20 contacts → |
“JSA Architects is an Irish based practice established in 1983 with an office in Romania.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Michael Fitzpatrick Architectsmfarchitects.ie HQ: Cavan, IrelandReported employees: 11-50 | Cavan, Ireland | 11-50 | Exact match | 19 contacts → |
“Michael Fitzpatrick Architects Ltd are RIAI registered Architects with the Royal Institute of the Architects of Ireland.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Passive House Systemspassivehousesystems.ie HQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 19 contacts → |
“Passive House Systems is a leading supplier of energy conserving products used in domestic new-build and retrofit building projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Symphony Energysymphonyenergy.com HQ: Wicklow, IrelandReported employees: 11-50 | Wicklow, Ireland | 11-50 | Exact match | 17 contacts → |
“Symphony Energy is a global leader in optimising energy performance in the commercial built environment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Systemcoresystemcore.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 15 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ENCONencon.ie HQ: Waterford, IrelandReported employees: 11-50 | Waterford, Ireland | 11-50 | Exact match | 14 contacts → |
“Encon is a sustainable building, retrofit, and renewables company committed to transforming how Ireland builds, renovates, and powers its spaces.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ICONSiconsgroup.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 13 contacts → |
“Our working lives are constantly being transformed by new thinking and new technology.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | BPC Engineersbpcengineers.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 12 contacts → |
“Building Performance Consulting Engineers Ltd.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ceardean Architects LTDceardean.com HQ: Dublin, IrelandReported employees: 1-10 | Dublin, Ireland | 1-10 | Exact match | 12 contacts → |
“Ceardean is a collaborative of experienced designers and specialist consultants with a shared ethos of skilled making and design collaboration.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vivid Edgevividedge.ie HQ: Ucd Belfield Dublin 4, IrelandReported employees: 1-10 | Ucd Belfield Dublin 4, Ireland | 1-10 | Exact match | 6 contacts → |
“At Vivid Edge, we're passionate about helping our customers save precious time and funds while cutting carbon.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Codex Energy Consultants LTDcodexenergy.ie HQ: Ballycoolin, IrelandReported employees: 1-10 | Ballycoolin, Ireland | 1-10 | Exact match | 6 contacts → |
“Codex Energy Consultants Ltd is a company of specialist engineering and energy consultants.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kingdom Installation LTDkingdominstallation.ie HQ: Abbeydorney, IrelandReported employees: 11-50 | Abbeydorney, Ireland | 11-50 | Exact match | 4 contacts → |
“AWARD winning Kingdom Installation Ltd is a privately owned company with over 20 years’ experience in the supply and installation of energy efficiency solutions to the Domestic…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Smith & Associates Architectsniallsmitharchitects.ie HQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 4 contacts → |
“Smith & Associates Architects are an award winning design orientated practice with a commitment to the quality of architectural design and client service at all stages from…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Cork, IrelandReported employees: 1-10 | Cork, Ireland | 1-10 | Exact match | 4 contacts → |
“WMA Ltd.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Scott Group Smart Buildingsscottgroup.ie HQ: Raheny, IrelandReported employees: 11-50 | Raheny, Ireland | 11-50 | Exact match | 3 contacts → |
“Specialties- Development & implementation of renewable energy & energy efficiency projects • Strategy development & investment planning • Energy savings planning & retrofits •…” Recorded description excerpt · September 16, 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Paul Doherty Architectsdohertyarchitects.com HQ: Donegal Town, IrelandReported employees: 1-10 | Donegal Town, Ireland | 1-10 | Exact match | 3 contacts → |
“Paul Doherty Architects (0749723131) are an RIAI registered Practice.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 82 company matches
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Energy efficient building companies: dataset insights
September 16, 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
82 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 82 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 16, 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 energy efficient building companies?
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 energy efficient building companies did RevenueBase find based in Ireland?
The saved snapshot records 82 matching company records, 504 tracked contacts and 211 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 16, 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 energy efficient building companies based in Ireland. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-efficient-building-companies/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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