Company lists · Data refreshed September 2026
Top 25 Hydrogeological consultants based in Denmark
RevenueBase identified 138 hydrogeological consultants headquartered in Denmark as of September 2026 and tracks 7,525 professional contacts across them, including 484 with verified work emails. Copenhagen is the largest hub.
This list covers hydrogeological consultants headquartered in Denmark, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 hydrogeological consultants based in Denmark
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,699 contacts → | ||||
Indirect evidence “At NIRAS, we engineer solutions for a shared future.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,427 contacts → | ||||
Indirect evidence “There is no substitute for water.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,176 contacts → | ||||
Indirect evidence “Miljø er vores kernekompetence og vores ansvar.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 468 contacts → | ||||
Partial evidence “Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 213 contacts → | ||||
Indirect evidence “Dansk Miljørådgivning A/S (DMR) er et rådgivende ingeniørfirma, der yder rådgivning indenfor bl.a:* forureningsundersøgelser og udarbejdelse af risikovurderinger.* oprensning af…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 168 contacts → | ||||
Indirect evidence “ABC leverer værdi til vores kunder gennem effektive, kreative og optimerede løsninger.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 78 contacts → | ||||
Indirect evidence “WE CREATE INFRASTRUCTURE AND PERFORM COASTAL PROTECTION FOR THE SOCIETY'S ONGOING DEVELOPMENT Zøllner is a contracting company that has worked with several different types of…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 68 contacts → | ||||
Indirect evidence “Vi er et af landets ældste rådgivende ingeniørfirmaer – oprindeligt med el-anlæg som speciale.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 44 contacts → | ||||
Indirect evidence “ØLLGAARD Rådgivende Ingeniører har specialiseret sig i bæredygtige løsninger inden for forsyning, byggeri og energi.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 35 contacts → | ||||
Indirect evidence “Hos DJ Miljø & Geoteknik P/S har vi mere end 20 års erfaring med at løse miljø- og geotekniske opgaver for både private og offentlige bygherrer, udviklere og rådgivere.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 31 contacts → | ||||
Indirect evidence “Vi er et rådgivende ingeniørfirma indenfor miljø- og geoteknisk ingeniørarbejde.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 31 contacts → | ||||
Indirect evidence “WellPerform provides professional services within geothermal energy, CCS and upstream oil & gas.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 25 contacts → | ||||
Indirect evidence “INGENIØRGRUPPEN - en del af Thranekær Vi er et rådgivende ingeniørfirma, som blev grundlagt i 1956 og har med sine mere end 60 år, stor erfaring indenfor teknisk rådgivning i…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 24 contacts → | ||||
Indirect evidence “Holmsgaard a/s er en rådgivende ingeniørvirksomhed med fokus på bæredygtighed.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 22 contacts → | ||||
Indirect evidence “Aqvila is an independent and agile engineering company – established in 2010 – powered by dedicated professionals focused on providing best-in-class solutions for our clients, who…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 19 contacts → | ||||
Indirect evidence “Hos BRAV hjælper vi dig med- Rådgivning jf.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 18 contacts → | ||||
Indirect evidence “VOGNSEN Rådgivende Ingeniører A/S varetager alle relevante ingeniørdiscipliner inden for bygge- og anlægsområdet, og virksomheden har desuden stor erfaring med energioptimering og…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 18 contacts → | ||||
Indirect evidence “Hos WASYS A/S har vi specialiseret os i at styre, overvåge og flytte vand.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Indirect evidence “HydroCharting is offering professional training and education in all hydrographic subjects.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 12 contacts → | ||||
Indirect evidence “Rotek A/S is a Danish company situated in Sønder Felding in the western part of Jutland.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 12 contacts → | ||||
Indirect evidence “We provide advice within geotechnics, including special testing and analysis of piles and foundations, in addition to noise and vibration.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Partial evidence “Nordic International Water ApS is new established engineering, management, and development consultancy with ambition of a global reach to deliver innovative solutions for our…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “Geosyd er et landsdækkende geoteknisk specialfirma der beskæftiger sig med jordbundsundersøgelser og geoteknik indenfor bygge- og anlægsbranchen.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Indirect evidence “PC Brøndboring A/S blev grundlagt i Højslev Kirkeby i 1898.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 8 contacts → | ||||
Indirect evidence “DA/EN Carsten Søndergaard Consult ApS er et konsulentfirma med stærke ingeniør kompetencer indenfor afløbsteknik Carsten Søndergaard og Finn Hjerrild Johansen arbejder begge med…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: hydrogeological consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names hydrogeological consultants.
- Partial evidence
- Its own public description names part of hydrogeological consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hydrogeological consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 138 hydrogeological consultants based in Denmark
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Hydrogeological consultants based in Denmark at a glance
As of Sep 21, 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 138 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among hydrogeological consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Denmark whose own description of what they do matches “hydrogeological consultants”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names hydrogeological consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among hydrogeological consultants, and records with no verified work email. Companies headquartered outside Denmark are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 484 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names hydrogeological consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many hydrogeological consultants are there based in Denmark?
RevenueBase identified 138 hydrogeological consultants headquartered in Denmark as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
NIRAS, headquartered in Allerod Capital Of Denmark, tops this list with the largest team on record.
Which city has the most hydrogeological consultants?
Copenhagen leads with 6 headquartered companies, followed by Roskilde (5) and Kobenhavn (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 484 verified decision-maker contacts tracked across these 138 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 138 hydrogeological consultants based in Denmark. Start with a free account, no credit card.
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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 Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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