// DENMARK · INDUSTRY
Data updated 19 June 2026
Wastewater & Sewerage Companies in Denmark
Companies
400
Market
Denmark
The Wastewater & Sewerage sector in Denmark comprises 400 companies across 1 sub-industries. Its largest sub-industry is Collection and treatment of waste water (400 companies), and the highest-revenue company is S. P. JENSEN A/S. This page breaks the wastewater and sewerage market down by sub-industry, company size and revenue, and lists the 50 largest companies in Denmark by revenue. Data last updated 19 June 2026.
Compare with the Nordic-wide wastewater and sewerage market, or browse all Denmark industries.
Summary: key data points for Wastewater & Sewerage in Denmark
- Total companies: 400
- Sub-industries: 1
- Largest sub-industry: Collection and treatment of waste water — 400 companies (100.0% of the sector)
- Companies with reported revenue: 142
- Companies with €10M+ revenue: 1
- Companies with reported headcount: 145
- Larger employers (100+ staff): 1
Wastewater & Sewerage in Denmark by sub-industry
| Sub-industry | Companies | % of sector |
|---|---|---|
| Collection and treatment of waste water | 400 | 100.0% |
Company size — Wastewater & Sewerage in Denmark
Based on the 145 wastewater and sewerage companies in Denmark with reported employee figures.
| Employees | Companies | % of reported |
|---|---|---|
| 1–10 | 102 | 70.3% |
| 11–49 | 37 | 25.5% |
| 50–99 | 5 | 3.4% |
| 100–199 | 1 | 0.7% |
The sector is dominated by small firms — 70.3% of companies with reported headcount have 1–10 employees. At the other end, 1 companies employ 100+ people and represent the high-value enterprise accounts.
Revenue distribution — Wastewater & Sewerage in Denmark
Based on the 142 wastewater and sewerage companies in Denmark with reported revenue.
| Revenue band | Companies | % of reported |
|---|---|---|
| €100k–200k | 34 | 23.9% |
| €200k–500k | 35 | 24.6% |
| €500k–1M | 26 | 18.3% |
| €1M–10M | 46 | 32.4% |
| €10M–100M | 1 | 0.7% |
Top 50 Wastewater & Sewerage companies in Denmark by revenue
| Business ID | Company | Website | Employees | Revenue | Sub-industry |
|---|---|---|---|---|---|
| 19553396 | S. P. JENSEN A/S | spjensen.dk | 100–199 | €13.0M | Collection and treatment of waste water |
| 36933518 | BlueKolding A/S | bluekolding.dk | 50–99 | €6.7M | Collection and treatment of waste water |
| 32882064 | VEJLE SPILDEVAND A/S | vejlespildevand.dk | 50–99 | €6.5M | Collection and treatment of waste water |
| 42078514 | LEIF M. JENSEN A/S | lmj.dk | 50–99 | €6.1M | Collection and treatment of waste water |
| 10206987 | Norva24 Danmark A/S | norva24.dk | 50–99 | €5.7M | Collection and treatment of waste water |
| 32659365 | FREDERICIA SPILDEVAND OG ENERGI A/S | null | 50–99 | €5.2M | Collection and treatment of waste water |
| 32285708 | Vandmiljø Randers A/S | vmr.dk | 11–49 | €4.9M | Collection and treatment of waste water |
| 31486424 | MARIAGERFJORD VAND A/S | mariagerfjordvand.dk | 11–49 | €4.3M | Collection and treatment of waste water |
| 25817117 | ENERGI VIBORG VAND A/S | 11–49 | €4.2M | Collection and treatment of waste water | |
| 44522322 | AquaDjurs A/S | aquadjurs.dk | 11–49 | €3.9M | Collection and treatment of waste water |
| 20452781 | ENTREPRENØR RENÉ MATHIASSEN A/S | rene-m.dk | 11–49 | €3.8M | Collection and treatment of waste water |
| 29809577 | HJØRRING VANDSELSKAB A/S | hjvand.dk | 11–49 | €3.6M | Collection and treatment of waste water |
| 32647723 | IKAST-BRANDE SPILDEVAND A/S | ikast-brandespildevand.dk | 11–49 | €3.4M | Collection and treatment of waste water |
| 39607670 | Adsbøll Service A/S | 11–49 | €3.3M | Collection and treatment of waste water | |
| 20839678 | Serwent A/S | 11–49 | €3.1M | Collection and treatment of waste water | |
| 32658210 | HEDENSTED SPILDEVAND A/S | hspv.dk | 11–49 | €2.9M | Collection and treatment of waste water |
| 10273498 | SLAGELSE KLOAKSERVICE ApS | slagelsekloakservice.dk | 11–49 | €2.8M | Collection and treatment of waste water |
| 72048113 | HOLST KLOAKSERVICE A/S | holstkloakservice.dk | 11–49 | €2.7M | Collection and treatment of waste water |
| 39893991 | Sydvestsjællands Kloakservice A/S | svs-kloakservice.dk | 11–49 | €2.7M | Collection and treatment of waste water |
| 44885530 | CT - Kloak & Anlæg ApS | 11–49 | €2.6M | Collection and treatment of waste water | |
| 15010142 | RINGSTED SLAMSUGNING SERVICE ApS | ringstedslam.dk | 11–49 | €2.5M | Collection and treatment of waste water |
| 32562302 | LIQTECH WATER A/S | null | 11–49 | €2.1M | Collection and treatment of waste water |
| 34883637 | KLOAGGER A/S | kloagger.dk | 11–49 | €2.1M | Collection and treatment of waste water |
| 32657540 | JAMMERBUGT FORSYNING A/S | jammerbugtforsyning.dk | 11–49 | €2.0M | Collection and treatment of waste water |
| 12024207 | ODDER KLOAKSERVICE ApS | odderkloak.dk | 11–49 | €1.9M | Collection and treatment of waste water |
| 39954494 | Romalt Maskinstation ApS | romaltmaskinstation.dk | 11–49 | €1.9M | Collection and treatment of waste water |
| 31857848 | SILKEBORG SPILDEVAND A/S | 11–49 | €1.9M | Collection and treatment of waste water | |
| 25942043 | THORSKILDE A/S | thorskilde.dk | 11–49 | €1.8M | Collection and treatment of waste water |
| 37932485 | Kloakmanden ApS | kloakmanden.dk | 11–49 | €1.6M | Collection and treatment of waste water |
| 33038097 | REBILD VAND & SPILDEVAND A/S | rebildforsyning.dk | 11–49 | €1.6M | Collection and treatment of waste water |
| 37064963 | JG Kloak ApS | jgkloak.dk | 11–49 | €1.6M | Collection and treatment of waste water |
| 25867270 | Ilderhede Kloak-& Spuleservice v/Michael Guldbrandt Pagaard | ilderhede.dk | 11–49 | €1.5M | Collection and treatment of waste water |
| 29828504 | SPUL & RENS ApS | spulogrens.dk | 11–49 | €1.4M | Collection and treatment of waste water |
| 41588349 | KloakDanmark ApS | kloakdanmark.dk | 11–49 | €1.4M | Collection and treatment of waste water |
| 36035374 | WAGNERLUND KLOAKSERVICE A/S | wagnerlund.dk | 11–49 | €1.3M | Collection and treatment of waste water |
| 34053499 | BAWAT A/S | bawat.com | 11–49 | €1.3M | Collection and treatment of waste water |
| 25452690 | HADERSLEV SLAMSUGERSERVICE A/S | haderslevslam.dk | 11–49 | €1.2M | Collection and treatment of waste water |
| 26092736 | FILCO ApS | filco.dk | 11–49 | €1.2M | Collection and treatment of waste water |
| 39612488 | ABN Kloakteknik ApS | abn-kloakteknik.dk | 11–49 | €1.2M | Collection and treatment of waste water |
| 50077314 | STÆTEN A/S | staeten.dk | 11–49 | €1.2M | Collection and treatment of waste water |
| 13158800 | AALBORG KLOAKSERVICE ApS | aakloak.dk | 11–49 | €1.2M | Collection and treatment of waste water |
| 40540261 | TM2 Kloakskade ApS | tm2-kloakskade.dk | 11–49 | €1.1M | Collection and treatment of waste water |
| 36717807 | Thisted Kloakservice ApS | thistedkloakservice.dk | 11–49 | €1.1M | Collection and treatment of waste water |
| 49755910 | ALEX' SLAMSUGNING ApS | alexslamsugning.dk | 1–10 | €1.0M | Collection and treatment of waste water |
| 31369479 | BORGEN KLOAKSERVICE A/S | borgenkloak.dk | 1–10 | €1.0M | Collection and treatment of waste water |
| 28691823 | Slagelse Miljøcenter ApS | 1–10 | €1.0M | Collection and treatment of waste water | |
| 27962645 | Kloakdoktoren ApS | kloakdoktoren.dk | 1–10 | €1.0M | Collection and treatment of waste water |
| 32330770 | VARDEEGNENS JORD OG KLOAKSERVICE ApS | 1–10 | €900k | Collection and treatment of waste water | |
| 36709154 | Kloakservice Nord ApS | kloakservicenord.dk | 1–10 | €900k | Collection and treatment of waste water |
| 42887226 | TMI Tappernøje ApS | 1–10 | €900k | Collection and treatment of waste water |
How to sell to Wastewater & Sewerage companies in Denmark
- Micro-business heavy: 70.3% of firms with reported headcount have 1–10 staff — keep offers simple, fast to adopt, and priced for small teams.
- Enterprise tier: 1 companies have 100+ employees — these are your high-ACV accounts that warrant named-account outbound.
- Revenue concentration: 1 companies report €10M+ revenue and concentrate most of the sector's buying power.
- Reach the decision-makers: Nordic Lead Database provides verified emails and direct phone numbers for executives at Denmark's wastewater and sewerage companies.
Wastewater & Sewerage across the Nordics
Compare the wastewater & sewerage sector in Denmark with the other Nordic markets.
Buy the full Wastewater & Sewerage dataset for Denmark
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Book a meetingFrequently Asked Questions
How many wastewater and sewerage companies are there in Denmark?+
There are 400 wastewater and sewerage companies in Denmark, split across 1 sub-industries, the largest being Collection and treatment of waste water with 400 companies. Figures were last updated on 19 June 2026.
What are the largest wastewater and sewerage companies in Denmark?+
Ranked by revenue, the largest wastewater and sewerage companies in Denmark include S. P. JENSEN A/S, BlueKolding A/S, VEJLE SPILDEVAND A/S, LEIF M. JENSEN A/S, Norva24 Danmark A/S. The full top 50 list with revenue, headcount and website is shown above.
How can I get contact data for decision-makers at wastewater and sewerage companies in Denmark?+
Nordic Lead Database provides verified emails, direct phone numbers and company data for decision-makers at Denmark's 400 wastewater and sewerage companies. Book a meeting and we'll provision access or build a custom export.
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