Company lists · Data refreshed October 2026

Top 20 Hydrogeological services based in Denmark

RevenueBase identified 46 company matches for hydrogeological services associated with Denmark as of October 2026 and tracks 1,081 professional contacts across them, including 63 with verified work emails. Copenhagen is the largest hub.

This list covers company matches for hydrogeological services 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 26, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 26, 2026 How this list was built
46Companies
1,081Contacts tracked
63Verified emails
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The 20 largest hydrogeological services based in Denmark

Ranked by team size
Top 20 of 46 company matches for hydrogeological services based in Denmark, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 26, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchKgs. Lyngby (copenhagen), DenmarkHQ recorded Oct 26, 2026201-500483 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 26, 2026 · View company records in RevenueBase
2Exact matchSilkeborg, DenmarkHQ recorded Oct 26, 2026201-500231 contacts →

Exact match

“Dansk Miljørådgivning A/S (DMR) er et rådgivende ingeniørfirma, der yder rådgivning indenfor bl.a:* forureningsundersøgelser og udarbejdelse af risikovurderinger.* oprensning af…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
3Exact matchHillerød, DenmarkHQ recorded Oct 26, 202611-5031 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
4Exact matchHolte, DenmarkHQ recorded Oct 26, 202651-20030 contacts →

Exact match

“WellPerform provides professional services within geothermal energy, CCS and upstream oil & gas.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
5Exact matchHorsens, DenmarkHQ recorded Oct 26, 202611-5029 contacts →

Exact match

“Vi er et rådgivende ingeniørfirma indenfor miljø- og geoteknisk ingeniørarbejde.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
6Exact matchHolstebro, DenmarkHQ recorded Oct 26, 202611-5028 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 26, 2026 · View company records in RevenueBase
7Exact matchAalborg, DenmarkHQ recorded Oct 26, 202611-5021 contacts →

Exact match

“Vand er vores passion WatsonC blev startet af Ole Munch Johansen og Jacob Birk Jensen i efteråret 2017 og konsulentfirmaet er sidenhen vokset med 13 ny medarbejdere.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
8Exact matchTaastrup, DenmarkHQ recorded Oct 26, 20261-1018 contacts →

Exact match

“HydroCharting is offering professional training and education in all hydrographic subjects.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
9Exact matchSdr. Felding, DenmarkHQ recorded Oct 26, 202611-5010 contacts →

Exact match

“Rotek A/S is a Danish company situated in Sønder Felding in the western part of Jutland.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
10Exact matchHerlev, DenmarkHQ recorded Oct 26, 202611-5010 contacts →

Exact match

“Geosyd er et landsdækkende geoteknisk specialfirma der beskæftiger sig med jordbundsundersøgelser og geoteknik indenfor bygge- og anlægsbranchen.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
11Exact matchHøjslev, DenmarkHQ recorded Oct 26, 202611-509 contacts →

Exact match

“PC Brøndboring A/S blev grundlagt i Højslev Kirkeby i 1898.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
12Exact matchEsbjerg, DenmarkHQ recorded Oct 26, 202611-506 contacts →

Exact match

“TIL LANDS OG TIL VANDS Jysk Geoteknik udfører miljø- og geotekniske undersøgelser i hele landet.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
13Exact matchØlstykke, DenmarkHQ recorded Oct 26, 20261-104 contacts →

Exact match

“DJboringer A/S er en virksomhed beliggende i Ølstykke, der specialiserer sig i at udføre professionelle boringsopgaver for kunder over hele Danmark.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
14Exact matchCopenhagen, DenmarkHQ recorded Oct 26, 20261-104 contacts →

Exact match

“SolidGround is a geotechnical, geophysical and geological technology company specializing in integrating large amounts of geodata.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
15Exact matchLundtofte, DenmarkHQ recorded Oct 26, 20261-104 contacts →

Exact match

“Vi understøtter forsyninger og industrien i at levere rent vand til samfundet på en bæredygtig måde.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
16Exact matchCopenhagen K, DenmarkHQ recorded Oct 26, 20261-103 contacts →

Exact match

“Engineering | Transport, Geotechnical • Project Management • Modeling & Visualization”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
17Exact matchBramming, DenmarkHQ recorded Oct 26, 20261-103 contacts →

Exact match

“Hos GeoConsult tilbyder vi jordbundsundersøgelser i forbindelse med alle typer bygge- og anlægsprojekter.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
18Exact matchKjellerup, DenmarkHQ recorded Oct 26, 20261-102 contacts →

Exact match

“I Visgaard & Sundstrøm er vores hovedfokus høj kvalitet, gensidig tillid og respekt.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
19Exact matchCopenhagen, DenmarkHQ recorded Oct 26, 20261-101 contacts →

Exact match

“WISOR Process-Consulting ApS provides a full range of value-adding activities in - Project Management & Engineering - Engineering and Project/Contract Management - Technical Due…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
20Exact matchKorsør, DenmarkHQ recorded Oct 26, 20261-101 contacts →

Exact match

“HydroInform specializes in water information technologies and is undertaking consultancy work, participating in research projects and developing software products within this…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase

Showing 20 of 46 hydrogeological services based in Denmark

See the full list, filter by size, metro and specialty, and access 63 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hydrogeological services based in Denmark at a glance

As of Oct 26, 2026
5.8%Verified-email coverage
23.5Average contacts per company
1-10Median size (employees)
6.5%Largest-city concentration · Copenhagen
Oct 26, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
18
51-200
3
201-500
2

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 46 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 “hydrogeological services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 63 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 26, 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 “hydrogeological services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrogeological services are there based in Denmark?

RevenueBase identified 46 company matches for hydrogeological services 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 hydrogeological services?

Copenhagen leads with 3 company records, followed by Olsted (2) and Aalborg (1).

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 63 professional contacts with verified work emails tracked across these 46 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 26, 2026.

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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.