Company lists · Data refreshed November 2026

Top 25 Sanitation engineering services based in Denmark

RevenueBase identified 68 company matches for sanitation engineering services associated with Denmark as of November 2026 and tracks 4,357 professional contacts across them, including 634 with verified work emails. Copenhagen is the largest hub.

This list covers company matches for sanitation engineering 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 November 1, 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 Nov 1, 2026 How this list was built
68Companies
4,357Contacts tracked
634Verified emails
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The 25 largest sanitation engineering services based in Denmark

Ranked by team size
Top 25 of 68 company matches for sanitation engineering services based in Denmark, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 1, 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 matchAllerød, DenmarkHQ recorded Nov 1, 20261,001-5,0002,701 contacts →

Exact match

“At NIRAS, we engineer solutions for a shared future.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
2Exact matchHøje Taastrup, DenmarkHQ recorded Nov 1, 202610001+581 contacts →

Exact match

“We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
3Exact matchAlbertslund, DenmarkHQ recorded Nov 1, 202651-20061 contacts →

Exact match

“Vi er et af landets ældste rådgivende ingeniørfirmaer – oprindeligt med el-anlæg som speciale.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
4Exact matchOdense S., DenmarkHQ recorded Nov 1, 2026201-50059 contacts →

Exact match

“FKSSlamson A/S er en fusion af FKS A/S og Slamson Aps.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
5Exact matchHjørring, DenmarkHQ recorded Nov 1, 202651-20049 contacts →

Exact match

“Brix & Kamp er en af Danmarks ældste rådgivende ingeniørvirksomheder med rødder tilbage til 1930´erne.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
6Exact matchVejle, DenmarkHQ recorded Nov 1, 202611-5046 contacts →

Exact match

“From Engineering to Value Engineering!”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
7Exact matchHellerup, DenmarkHQ recorded Nov 1, 202611-5045 contacts →

Exact match

“ØLLGAARD Rådgivende Ingeniører har specialiseret sig i bæredygtige løsninger inden for forsyning, byggeri og energi.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
8Exact matchRoskilde, DenmarkHQ recorded Nov 1, 202651-20043 contacts →

Exact match

“Gorm Hansen A/S blev etableret i 1970, og har i over 50 år konsolideret sin status som velrenommeret og kvalitetsbevidst samarbejdspartner.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
9Exact matchBrørup, DenmarkHQ recorded Nov 1, 202651-20038 contacts →

Exact match

“Om Aquagain Aquagain er en professionel og anerkendt producent og leverandør af effektive og miljørigtige løsninger, der bl.a.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
10Exact matchHillerød, DenmarkHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
11Exact matchVarde, DenmarkHQ recorded Nov 1, 202611-5024 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
12Exact match8260 Viby J, DenmarkHQ recorded Nov 1, 202611-5022 contacts →

Exact match

“Tri-Consult A/S er et fuldservice rådgivende ingeniørfirma indenfor byggeri og anlæg med hovedkontor i Århus.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
13Exact matchRoskilde, DenmarkHQ recorded Nov 1, 202611-5021 contacts →

Exact match

“VI ER DINE SPECIALISTER Vi hos Hartvig Consult er et rådgivende ingeniørfirma, som er specialister i kloakering, kloakrenovering, skybrudssikring, anlæg af veje…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
14Exact matchRanders, DenmarkHQ recorded Nov 1, 202611-5018 contacts →

Exact match

“Stjernholm indtager en central placering i markedet for vandbehandling på både offentlige og private renseanlæg, i kloaksystemer og på vandværker i hele landet.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
15Exact matchRoskilde, DenmarkHQ recorded Nov 1, 202611-5015 contacts →

Exact match

“Hos WASYS A/S har vi specialiseret os i at styre, overvåge og flytte vand.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
16Exact matchStilling, DenmarkHQ recorded Nov 1, 20261-1011 contacts →

Exact match

“DA/EN Carsten Søndergaard Consult ApS er et konsulentfirma med stærke ingeniør kompetencer indenfor afløbsteknik Carsten Søndergaard og Finn Hjerrild Johansen arbejder begge med…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
17Exact matchCopenhagen, DenmarkHQ recorded Nov 1, 20261-1011 contacts →

Exact match

“Nordic International Water ApS is new established engineering, management, and development consultancy with ambition of a global reach to deliver innovative solutions for our…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
18Exact matchHolbæk, DenmarkHQ recorded Nov 1, 202611-5010 contacts →

Exact match

“Terkel Pedersen, Rådgivende Ingeniører ApS har igennem næsten 70 år udviklet sig til at være et velkonsolideret rådgivende ingeniørfirma med primære aktiviteter inden for bygge-…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
19Exact matchOdense, DenmarkHQ recorded Nov 1, 202611-508 contacts →

Exact match

“StoreClaus er et professionelt og autoriseret kloakfirma der står til rådighed som effektiv og kompetent kloakmester i hele landet.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
20Exact matchSlagelse, DenmarkHQ recorded Nov 1, 202611-508 contacts →

Exact match

“FJERRING A/S arbejder med en bred vifte af opgaver.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
21Exact matchHaarby, DenmarkHQ recorded Nov 1, 202611-506 contacts →

Exact match

“ENTREPRENØR PÅ FYN - AUTORISERET KLOAKMESTER OG VVS-INSTALLATØR Står du og mangler en professionel entreprenør, der arbejder med bæredygtighed, samt kan hjælpe dig med en bred…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
22Exact matchStenløse, DenmarkHQ recorded Nov 1, 20261-106 contacts →

Exact match

“Rådgivning indenfor vand, kloak og klimatilpasning”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
23Exact matchGentofte, DenmarkHQ recorded Nov 1, 20261-105 contacts →

Exact match

“TVEDE - Rådgivende Ingeniører(Consulting Engineers) is a small but succesfull company operating mainly in the Civilengineering area, but because we also have an architecual…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
24Exact matchKarlslunde, DenmarkHQ recorded Nov 1, 202611-504 contacts →

Exact match

“Vi har over 20 års erfaring inden for alt, hvad der indebærer kloakservice, og er autoriseret kloakmester, samt autoriseret rotte/skadedyrsbekæmper.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
25Exact matchNivå, DenmarkHQ recorded Nov 1, 20261-103 contacts →

Exact match

“Silberg Rådgivende Ingeniører er specialister inden for totalrådgivning og projektledelse ifm.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase

Showing 25 of 68 sanitation engineering services based in Denmark

See the full list, filter by size, metro and specialty, and access 634 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sanitation engineering services based in Denmark at a glance

As of Nov 1, 2026
14.6%Verified-email coverage
64.1Average contacts per company
1-10Median size (employees)
5.9%Largest-city concentration · Copenhagen
Nov 1, 2026Page data refreshed

Companies by employee count

1-10
35
11-50
23
51-200
5
201-500
3
1,001-5,000
1
10001+
1

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 68 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 “sanitation engineering 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 634 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 November 1, 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 “sanitation engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sanitation engineering services are there based in Denmark?

RevenueBase identified 68 company matches for sanitation engineering services associated with Denmark as of November 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?

NIRAS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most sanitation engineering services?

Copenhagen leads with 4 company records, followed by Hillerod (2) and Naestved (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 634 professional contacts with verified work emails tracked across these 68 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 November 1, 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.