Company lists · Data refreshed October 2026
Top 25 Geothermal contractors based in Denmark
RevenueBase identified 152 company matches for geothermal contractors associated with Denmark as of October 2026 and tracks 2,469 professional contacts across them, including 240 with verified work emails. Copenhagen is the largest hub.
This list covers company matches for geothermal contractors associated with Denmark, 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 geothermal contractors based in Denmark
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 483 contacts → | ||||
Exact match “Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 138 contacts → | ||||
Exact match “Brøndum Installationer er teknikentreprenør med dygtige og specialuddannede medarbejdere med årelang erfaring i både Danmark og i Grønland.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 90 contacts → | ||||
Exact match “Poul Sejr Nielsen A/S er en af Nordsjællands største energientreprenører.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 88 contacts → | ||||
Exact match “Henning Mortensen a/s har eksisteret siden 1959.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 64 contacts → | ||||
Exact match “Energy Machines is a leading provider of integrated energy systems that decarbonize heating and cooling while reducing operating costs for real estate owners, municipalities, and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 61 contacts → | ||||
Exact match “Decarbonising heat - one community at a time.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 58 contacts → | ||||
Exact match “Dansk Miljø- & Energistyring A/S employs more than 90 experienced staff, many of whom have been with the company for over 20 years.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 54 contacts → | ||||
Exact match “Vi er Østergaard Entreprise A/S.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 51 contacts → | ||||
Exact match “Vølund Varmeteknik leverer varmetekniske løsninger til forbrugere, landmænd, skoler, institutioner m.m.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 48 contacts → | ||||
Exact match “Klimadan producerer og installerer kundetilpassede varmepumpeløsninger, af høj kvalitet, til både private, erhverv samt landbrug.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 40 contacts → | ||||
Exact match “Dansk Installations Teknik har over 30 års erfaring inden for VVS, Ventilation, El og Blik.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “DEMSKOV-EL & Demskov Grøn er en autoriseret el-installatør.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 30 contacts → | ||||
Exact match “WellPerform provides professional services within geothermal energy, CCS and upstream oil & gas.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 28 contacts → | ||||
Exact match “Ostermark Grouting is a global leader in onshore and offshore grouting solutions for wind energy, oil & gas, and civil infrastructure projects.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 26 contacts → | ||||
Exact match “Green Therma develops next-generation geothermal solutions for district heating and industrial applications, delivering reliable, renewable heat from deep beneath the Earth's…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 23 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 21 contacts → | ||||
Exact match “Vi udfører alle former for jordarbejde, forsyningsledninger, byggemodning, styrbar boringer og meget mere i hele region Syddanmark.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 17 contacts → | ||||
Exact match “Gunnar Kristensen VVS blev etableret i 1936, og ejes i dag af Jan Iversen, Bjarne V.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 17 contacts → | ||||
Exact match “Thanks for stopping by.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 17 contacts → | ||||
Exact match “Varmepumper, serviceaftaler, biobrændsel, gaskedler, lagertanke, varmtvandsbeholdere, radiatorer, elkedler HS Tarm A/S fører en række produkter, som - ved at udnytte kilder til…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 16 contacts → | ||||
Exact match “Vi er en moderne VVS-virksomhed, som vægter faglige kvalifikationer højt, fordi vi vil være Danmarksmestre i boligrenovering.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match “ISO9001 certificeret, vi udfører alt inden for teknik.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “Siden 1968 har Sternberg VVS & Gasteknik A/S hjulpet virksomheder og private med at finde den rigtige løsning inden for VVS, gas, el og energi.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “PC Brøndboring A/S blev grundlagt i Højslev Kirkeby i 1898.” 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 “geothermal 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 152 geothermal contractors based in Denmark
See the full list, filter by size, metro and specialty, and access 240 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Geothermal contractors based in Denmark at a glance
As of Oct 13, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Denmark, so it is reported there. Company counts and contact totals on this page are exact for Denmark, over 152 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 Denmark whose business descriptions match “geothermal 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 240 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 “geothermal contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal contractors are there based in Denmark?
RevenueBase identified 152 company matches for geothermal contractors associated with Denmark 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?
GEO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geothermal contractors?
Copenhagen leads with 5 company records, followed by Herning (4) and Slagelse (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 240 professional contacts with verified work emails tracked across these 152 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 152 geothermal contractors based in Denmark. Start with a free account, no credit card.
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Geothermal contractors by geography
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
- Geothermal contractors based in Albuquerque, United States
- Geothermal contractors based in Charlotte, United States
- Geothermal contractors based in Chicago, United States
- Geothermal contractors based in Denver, United States
- Geothermal contractors based in Houston, United States
- Geothermal contractors based in Indianapolis, United States
Browse the directory
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
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
Company intelligence · public preview
Top 25 geothermal contractors based in Denmark
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 152 matching company records for geothermal contractors based in Denmark, with 2,469 tracked contacts and 240 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 geothermal contractors based in Denmark
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 |  GEOgeo.dkHQ: Kgs. Lyngby (copenhagen), DenmarkReported employees: 201-500 | Kgs. Lyngby (copenhagen), Denmark | 201-500 | Exact match | 483 contacts → |
“Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Brøndumbrondum.dkHQ: Viborg, DenmarkReported employees: 51-200 | Viborg, Denmark | 51-200 | Exact match | 138 contacts → |
“Brøndum Installationer er teknikentreprenør med dygtige og specialuddannede medarbejdere med årelang erfaring i både Danmark og i Grønland.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Poul Sejr Nielsen A Spsn.dk HQ: Birkerød, DenmarkReported employees: 201-500 | Birkerød, Denmark | 201-500 | Exact match | 90 contacts → |
“Poul Sejr Nielsen A/S er en af Nordsjællands største energientreprenører.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Henning Mortensen A Shenning-mortensen.dk HQ: Silkeborg, DenmarkReported employees: 201-500 | Silkeborg, Denmark | 201-500 | Exact match | 88 contacts → |
“Henning Mortensen a/s har eksisteret siden 1959.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Energy Machinesenergymachines.com HQ: Copenhagen, DenmarkReported employees: 51-200 | Copenhagen, Denmark | 51-200 | Exact match | 64 contacts → |
“Energy Machines is a leading provider of integrated energy systems that decarbonize heating and cooling while reducing operating costs for real estate owners, municipalities, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Innargiinnargi.com HQ: Copenhagen, DenmarkReported employees: 51-200 | Copenhagen, Denmark | 51-200 | Exact match | 61 contacts → |
“Decarbonising heat - one community at a time.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Holstebro, DenmarkReported employees: 51-200 | Holstebro, Denmark | 51-200 | Exact match | 58 contacts → |
“Dansk Miljø- & Energistyring A/S employs more than 90 experienced staff, many of whom have been with the company for over 20 years.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Østergaard Entreprise A Sostergaard-entreprise.dk HQ: Esbjerg N, DenmarkReported employees: 51-200 | Esbjerg N, Denmark | 51-200 | Exact match | 54 contacts → |
“Vi er Østergaard Entreprise A/S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Vølund Varmeteknikvolundvt.dk HQ: Herning, DenmarkReported employees: 51-200 | Herning, Denmark | 51-200 | Exact match | 51 contacts → |
“Vølund Varmeteknik leverer varmetekniske løsninger til forbrugere, landmænd, skoler, institutioner m.m.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Klimadan A Sklimadan.dk HQ: Ikast, DenmarkReported employees: 51-200 | Ikast, Denmark | 51-200 | Exact match | 48 contacts → |
“Klimadan producerer og installerer kundetilpassede varmepumpeløsninger, af høj kvalitet, til både private, erhverv samt landbrug.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Dansk Installations Teknik3teknik.dkHQ: Odense Sø, DenmarkReported employees: 51-200 | Odense Sø, Denmark | 51-200 | Exact match | 40 contacts → |
“Dansk Installations Teknik har over 30 års erfaring inden for VVS, Ventilation, El og Blik.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Demskov EL & Demskov Grøndemskov.dk HQ: Rødovre, DenmarkReported employees: 51-200 | Rødovre, Denmark | 51-200 | Exact match | 35 contacts → |
“DEMSKOV-EL & Demskov Grøn er en autoriseret el-installatør.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wellperformwellperform.com HQ: Holte, DenmarkReported employees: 51-200 | Holte, Denmark | 51-200 | Exact match | 30 contacts → |
“WellPerform provides professional services within geothermal energy, CCS and upstream oil & gas.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ostermark Groutingoestermarkgrouting.comHQ: Holstebro, DenmarkReported employees: 11-50 | Holstebro, Denmark | 11-50 | Exact match | 28 contacts → |
“Ostermark Grouting is a global leader in onshore and offshore grouting solutions for wind energy, oil & gas, and civil infrastructure projects.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Green Thermagreentherma.com HQ: Copenhagen, DenmarkReported employees: 11-50 | Copenhagen, Denmark | 11-50 | Exact match | 26 contacts → |
“Green Therma develops next-generation geothermal solutions for district heating and industrial applications, delivering reliable, renewable heat from deep beneath the Earth's…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nordkabel A Snordkabel.dk HQ: Vesthimmerlands, DenmarkReported employees: 11-50 | Vesthimmerlands, Denmark | 11-50 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Otek A Sotek.dk HQ: Haderslev, DenmarkReported employees: 51-200 | Haderslev, Denmark | 51-200 | Exact match | 21 contacts → |
“Vi udfører alle former for jordarbejde, forsyningsledninger, byggemodning, styrbar boringer og meget mere i hele region Syddanmark.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Gunnar Kristensen VVS A Sgk-vvs.dkHQ: Herning, DenmarkReported employees: 51-200 | Herning, Denmark | 51-200 | Exact match | 17 contacts → |
“Gunnar Kristensen VVS blev etableret i 1936, og ejes i dag af Jan Iversen, Bjarne V.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Thermonovathermonova.com HQ: Aars, DenmarkReported employees: 11-50 | Aars, Denmark | 11-50 | Exact match | 17 contacts → |
“Thanks for stopping by.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HS Tarm A Shstarm.dk HQ: Tarm, DenmarkReported employees: 11-50 | Tarm, Denmark | 11-50 | Exact match | 17 contacts → |
“Varmepumper, serviceaftaler, biobrændsel, gaskedler, lagertanke, varmtvandsbeholdere, radiatorer, elkedler HS Tarm A/S fører en række produkter, som - ved at udnytte kilder til…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Christoffersen & Knudsen A Schkn.dkHQ: Rødovre, DenmarkReported employees: 51-200 | Rødovre, Denmark | 51-200 | Exact match | 16 contacts → |
“Vi er en moderne VVS-virksomhed, som vægter faglige kvalifikationer højt, fordi vi vil være Danmarksmestre i boligrenovering.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Knudsker El, VVS & KØLknudsker-el.dk HQ: Rønne, DenmarkReported employees: 51-200 | Rønne, Denmark | 51-200 | Exact match | 16 contacts → |
“ISO9001 certificeret, vi udfører alt inden for teknik.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Wiese A Sc-wiese.dk HQ: Ringkøbing, DenmarkReported employees: 11-50 | Ringkøbing, Denmark | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Sternberg VVS & Gasteknik A Ssternbergvvs.dk HQ: Stenløse, DenmarkReported employees: 11-50 | Stenløse, Denmark | 11-50 | Exact match | 9 contacts → |
“Siden 1968 har Sternberg VVS & Gasteknik A/S hjulpet virksomheder og private med at finde den rigtige løsning inden for VVS, gas, el og energi.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | PC Brøndboringpcdrill.dk HQ: Højslev, DenmarkReported employees: 11-50 | Højslev, Denmark | 11-50 | Exact match | 9 contacts → |
“PC Brøndboring A/S blev grundlagt i Højslev Kirkeby i 1898.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 152 company matches
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Geothermal 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
151 records in the displayed employee bands.
1 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 Denmark, so it is reported there. Company counts and contact totals on this page are exact for Denmark, over 152 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 geothermal 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 geothermal contractors did RevenueBase find based in Denmark?
The saved snapshot records 152 matching company records, 2,469 tracked contacts and 240 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
Geothermal contractors by geography
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
- Geothermal contractors based in Albuquerque, United States
- Geothermal contractors based in Charlotte, United States
- Geothermal contractors based in Chicago, United States
- Geothermal contractors based in Denver, United States
- Geothermal contractors based in Houston, United States
- Geothermal contractors based in Indianapolis, United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 geothermal contractors based in Denmark. Snapshot: October 13, 2026. https://revenuebase.ai/companies/geothermal-contractors/denmark.
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
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
Company intelligence · public preview
Top 25 geothermal contractors based in Denmark
RevenueBase records 152 matching company records for geothermal contractors based in Denmark, with 2,469 tracked contacts and 240 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 geothermal contractors based in Denmark
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 | GEOgeo.dk HQ: Kgs. Lyngby (copenhagen), DenmarkReported employees: 201-500 | Kgs. Lyngby (copenhagen), Denmark | 201-500 | Exact match | 483 contacts → |
“Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Brøndumbrondum.dk HQ: Viborg, DenmarkReported employees: 51-200 | Viborg, Denmark | 51-200 | Exact match | 138 contacts → |
“Brøndum Installationer er teknikentreprenør med dygtige og specialuddannede medarbejdere med årelang erfaring i både Danmark og i Grønland.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Poul Sejr Nielsen A Spsn.dk HQ: Birkerød, DenmarkReported employees: 201-500 | Birkerød, Denmark | 201-500 | Exact match | 90 contacts → |
“Poul Sejr Nielsen A/S er en af Nordsjællands største energientreprenører.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Henning Mortensen A Shenning-mortensen.dk HQ: Silkeborg, DenmarkReported employees: 201-500 | Silkeborg, Denmark | 201-500 | Exact match | 88 contacts → |
“Henning Mortensen a/s har eksisteret siden 1959.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Energy Machinesenergymachines.com HQ: Copenhagen, DenmarkReported employees: 51-200 | Copenhagen, Denmark | 51-200 | Exact match | 64 contacts → |
“Energy Machines is a leading provider of integrated energy systems that decarbonize heating and cooling while reducing operating costs for real estate owners, municipalities, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Innargiinnargi.com HQ: Copenhagen, DenmarkReported employees: 51-200 | Copenhagen, Denmark | 51-200 | Exact match | 61 contacts → |
“Decarbonising heat - one community at a time.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Holstebro, DenmarkReported employees: 51-200 | Holstebro, Denmark | 51-200 | Exact match | 58 contacts → |
“Dansk Miljø- & Energistyring A/S employs more than 90 experienced staff, many of whom have been with the company for over 20 years.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Østergaard Entreprise A Sostergaard-entreprise.dk HQ: Esbjerg N, DenmarkReported employees: 51-200 | Esbjerg N, Denmark | 51-200 | Exact match | 54 contacts → |
“Vi er Østergaard Entreprise A/S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Vølund Varmeteknikvolundvt.dk HQ: Herning, DenmarkReported employees: 51-200 | Herning, Denmark | 51-200 | Exact match | 51 contacts → |
“Vølund Varmeteknik leverer varmetekniske løsninger til forbrugere, landmænd, skoler, institutioner m.m.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Klimadan A Sklimadan.dk HQ: Ikast, DenmarkReported employees: 51-200 | Ikast, Denmark | 51-200 | Exact match | 48 contacts → |
“Klimadan producerer og installerer kundetilpassede varmepumpeløsninger, af høj kvalitet, til både private, erhverv samt landbrug.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Dansk Installations Teknik3teknik.dk HQ: Odense Sø, DenmarkReported employees: 51-200 | Odense Sø, Denmark | 51-200 | Exact match | 40 contacts → |
“Dansk Installations Teknik har over 30 års erfaring inden for VVS, Ventilation, El og Blik.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Demskov EL & Demskov Grøndemskov.dk HQ: Rødovre, DenmarkReported employees: 51-200 | Rødovre, Denmark | 51-200 | Exact match | 35 contacts → |
“DEMSKOV-EL & Demskov Grøn er en autoriseret el-installatør.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wellperformwellperform.com HQ: Holte, DenmarkReported employees: 51-200 | Holte, Denmark | 51-200 | Exact match | 30 contacts → |
“WellPerform provides professional services within geothermal energy, CCS and upstream oil & gas.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ostermark Groutingoestermarkgrouting.com HQ: Holstebro, DenmarkReported employees: 11-50 | Holstebro, Denmark | 11-50 | Exact match | 28 contacts → |
“Ostermark Grouting is a global leader in onshore and offshore grouting solutions for wind energy, oil & gas, and civil infrastructure projects.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Green Thermagreentherma.com HQ: Copenhagen, DenmarkReported employees: 11-50 | Copenhagen, Denmark | 11-50 | Exact match | 26 contacts → |
“Green Therma develops next-generation geothermal solutions for district heating and industrial applications, delivering reliable, renewable heat from deep beneath the Earth's…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nordkabel A Snordkabel.dk HQ: Vesthimmerlands, DenmarkReported employees: 11-50 | Vesthimmerlands, Denmark | 11-50 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Otek A Sotek.dk HQ: Haderslev, DenmarkReported employees: 51-200 | Haderslev, Denmark | 51-200 | Exact match | 21 contacts → |
“Vi udfører alle former for jordarbejde, forsyningsledninger, byggemodning, styrbar boringer og meget mere i hele region Syddanmark.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Gunnar Kristensen VVS A Sgk-vvs.dk HQ: Herning, DenmarkReported employees: 51-200 | Herning, Denmark | 51-200 | Exact match | 17 contacts → |
“Gunnar Kristensen VVS blev etableret i 1936, og ejes i dag af Jan Iversen, Bjarne V.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Thermonovathermonova.com HQ: Aars, DenmarkReported employees: 11-50 | Aars, Denmark | 11-50 | Exact match | 17 contacts → |
“Thanks for stopping by.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HS Tarm A Shstarm.dk HQ: Tarm, DenmarkReported employees: 11-50 | Tarm, Denmark | 11-50 | Exact match | 17 contacts → |
“Varmepumper, serviceaftaler, biobrændsel, gaskedler, lagertanke, varmtvandsbeholdere, radiatorer, elkedler HS Tarm A/S fører en række produkter, som - ved at udnytte kilder til…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Christoffersen & Knudsen A Schkn.dk HQ: Rødovre, DenmarkReported employees: 51-200 | Rødovre, Denmark | 51-200 | Exact match | 16 contacts → |
“Vi er en moderne VVS-virksomhed, som vægter faglige kvalifikationer højt, fordi vi vil være Danmarksmestre i boligrenovering.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Knudsker El, VVS & KØLknudsker-el.dk HQ: Rønne, DenmarkReported employees: 51-200 | Rønne, Denmark | 51-200 | Exact match | 16 contacts → |
“ISO9001 certificeret, vi udfører alt inden for teknik.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Wiese A Sc-wiese.dk HQ: Ringkøbing, DenmarkReported employees: 11-50 | Ringkøbing, Denmark | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Sternberg VVS & Gasteknik A Ssternbergvvs.dk HQ: Stenløse, DenmarkReported employees: 11-50 | Stenløse, Denmark | 11-50 | Exact match | 9 contacts → |
“Siden 1968 har Sternberg VVS & Gasteknik A/S hjulpet virksomheder og private med at finde den rigtige løsning inden for VVS, gas, el og energi.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | PC Brøndboringpcdrill.dk HQ: Højslev, DenmarkReported employees: 11-50 | Højslev, Denmark | 11-50 | Exact match | 9 contacts → |
“PC Brøndboring A/S blev grundlagt i Højslev Kirkeby i 1898.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 152 company matches
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Geothermal 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
151 records in the displayed employee bands.
1 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 Denmark, so it is reported there. Company counts and contact totals on this page are exact for Denmark, over 152 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 geothermal 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 geothermal contractors did RevenueBase find based in Denmark?
The saved snapshot records 152 matching company records, 2,469 tracked contacts and 240 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 geothermal contractors based in Denmark. Snapshot: October 13, 2026. https://revenuebase.ai/companies/geothermal-contractors/denmark.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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