// FINLAND · INDUSTRY
Data updated 19 June 2026
Wastewater & Sewerage Companies in Finland
Companies
388
Market
Finland
The Wastewater & Sewerage sector in Finland comprises 388 companies across 1 sub-industries. Its largest sub-industry is Collection and treatment of waste water (388 companies), and the highest-revenue company is Lahti Aqua Oy. This page breaks the wastewater and sewerage market down by sub-industry, company size and revenue, and lists the 50 largest companies in Finland by revenue. Data last updated 19 June 2026.
Compare with the Nordic-wide wastewater and sewerage market, or browse all Finland industries.
Summary: key data points for Wastewater & Sewerage in Finland
- Total companies: 388
- Sub-industries: 1
- Largest sub-industry: Collection and treatment of waste water — 388 companies (100.0% of the sector)
- Companies with reported revenue: 250
- Companies with €10M+ revenue: 5
- Companies with reported headcount: 289
Wastewater & Sewerage in Finland by sub-industry
| Sub-industry | Companies | % of sector |
|---|---|---|
| Collection and treatment of waste water | 388 | 100.0% |
Company size — Wastewater & Sewerage in Finland
Based on the 289 wastewater and sewerage companies in Finland with reported employee figures.
| Employees | Companies | % of reported |
|---|---|---|
| 1–10 | 266 | 92.0% |
| 11–49 | 21 | 7.3% |
| 50–99 | 2 | 0.7% |
The sector is dominated by small firms — 92.0% of companies with reported headcount have 1–10 employees.
Revenue distribution — Wastewater & Sewerage in Finland
Based on the 250 wastewater and sewerage companies in Finland with reported revenue.
| Revenue band | Companies | % of reported |
|---|---|---|
| €0–100k | 132 | 52.8% |
| €100k–200k | 16 | 6.4% |
| €200k–500k | 26 | 10.4% |
| €500k–1M | 25 | 10.0% |
| €1M–10M | 46 | 18.4% |
| €10M–100M | 5 | 2.0% |
Top 50 Wastewater & Sewerage companies in Finland by revenue
| Business ID | Company | Website | Employees | Revenue | Sub-industry |
|---|---|---|---|---|---|
| 0950563-8 | Lahti Aqua Oy | lahtiaqua.fi | 11–49 | €46.0M | Collection and treatment of waste water |
| 1885536-5 | EEROLA-YHTIÖT OY | eerolayhtiot.fi | 50–99 | €37.2M | Collection and treatment of waste water |
| 1774713-5 | Turun seudun puhdistamo Oy | turunseudunpuhdistamo.fi | 11–49 | €18.3M | Collection and treatment of waste water |
| 2159921-9 | Aqua Palvelu Oy | lahtiaqua.fi | 50–99 | €14.5M | Collection and treatment of waste water |
| 0564498-0 | Putkistosaneeraus Eerola Oy | pseoy.fi | 11–49 | €10.5M | Collection and treatment of waste water |
| 2771691-4 | Raision Vesi Oy | raisio.fi | 11–49 | €8.7M | Collection and treatment of waste water |
| 0174407-9 | Jyväskylän Seudun Puhdistamo Oy | js-puhdistamo.fi | 11–49 | €8.4M | Collection and treatment of waste water |
| 3102875-1 | E-Ympäristöpalvelut HämePirkanmaa Oy | eerolayhtiot.fi | 11–49 | €6.3M | Collection and treatment of waste water |
| 2827639-1 | Suomen Viemärihuolto Oy | viemarihuolto.com | 11–49 | €4.9M | Collection and treatment of waste water |
| 0110961-4 | Hurrikaanit Ympäristöhuolto Oy | hurrikaanit.fi | 11–49 | €4.7M | Collection and treatment of waste water |
| 2467464-0 | Huittisten Puhdistamo Oy | huittistenpuhdistamo.fi | 1–10 | €3.9M | Collection and treatment of waste water |
| 2707477-1 | Kilpimaa Viemärihuolto Oy | kilpimaa.com | 11–49 | €3.8M | Collection and treatment of waste water |
| 1714499-1 | Lokapalvelu Siili Oy | lokapalvelusiili.fi | 11–49 | €3.5M | Collection and treatment of waste water |
| 2860287-1 | Alva Hulevesi Oy | alva.fi | — | €3.2M | Collection and treatment of waste water |
| 2435975-5 | Saloton Oy | saloton.fi | 11–49 | €2.9M | Collection and treatment of waste water |
| 2364009-4 | Vestelli Oy | vestelli.fi | 11–49 | €2.8M | Collection and treatment of waste water |
| 2691934-9 | Drainman Oy | drainman.fi | 11–49 | €2.8M | Collection and treatment of waste water |
| 0657624-6 | Hangon Puhdistamo Oy | hangon.com | 1–10 | €2.8M | Collection and treatment of waste water |
| 3138296-1 | E-Ympäristöpalvelut Pohjanmaa Oy | eypohjanmaa.fi | 11–49 | €2.7M | Collection and treatment of waste water |
| 3195246-9 | Renta Pumps Oy | rentapumps.fi | 1–10 | €2.7M | Collection and treatment of waste water |
| 3102887-4 | E-Ympäristöpalvelut Länsi Oy | eerolayhtiot.fi | 11–49 | €2.6M | Collection and treatment of waste water |
| 2034110-1 | A & P Ympäristöpalvelut Oy | apymparistopalvelut.fi | 11–49 | €2.5M | Collection and treatment of waste water |
| 2586749-5 | Suonenjoen Vesi Oy | suonenjoenvesi.fi | 1–10 | €2.5M | Collection and treatment of waste water |
| 0668088-7 | Seppo Eskelinen Oy | eskelinenoy.com | 11–49 | €2.5M | Collection and treatment of waste water |
| 3105951-5 | Suomen jätevesipalvelut oy | sjvpalvelut.fi | 11–49 | €2.4M | Collection and treatment of waste water |
| 3102814-5 | E-Ympäristöpalvelut Itä Oy | eerolayhtiot.fi | 11–49 | €2.4M | Collection and treatment of waste water |
| 2472890-1 | Helsingin Vesijohtoliike Oy | vesijohtoliike.com | 1–10 | €2.2M | Collection and treatment of waste water |
| 2875057-5 | SmartPipe System Oy | smartpipe.fi | 1–10 | €2.1M | Collection and treatment of waste water |
| 0209116-1 | Lapuan Jätevesi Oy | lapuanjatevesi.fi | 1–10 | €2.1M | Collection and treatment of waste water |
| 2268681-6 | Oy Pohjanmaan Biokaasu - Österbottens Biogas Ab | ekorosk.fi | 1–10 | €2.0M | Collection and treatment of waste water |
| 3205833-8 | Kourullecom Oy | kourulle.com | 1–10 | €2.0M | Collection and treatment of waste water |
| 1841821-0 | JVP-Eura Oy | jvp-eura.fi | 1–10 | €2.0M | Collection and treatment of waste water |
| 0681543-8 | Lakeuden Keskuspuhdistamo Oy | kempeleenvesihuolto.fi | 1–10 | €1.9M | Collection and treatment of waste water |
| 3205865-3 | Auraclean Oy | auraclean.fi | 1–10 | €1.8M | Collection and treatment of waste water |
| 3193743-7 | ViemäriExpert Oy | viemariexpert.fi | 1–10 | €1.6M | Collection and treatment of waste water |
| 2879118-2 | HS-Hulevesipalvelut Oy | hsvesi.fi | 1–10 | €1.6M | Collection and treatment of waste water |
| 2321411-6 | Ab Slamson Oy | slamson.fi | 1–10 | €1.6M | Collection and treatment of waste water |
| 2924431-6 | A Sukitus Oy | a-sukitus.fi | 1–10 | €1.6M | Collection and treatment of waste water |
| 2137717-3 | PasiKuikka Oy | sewerex.fi | 1–10 | €1.6M | Collection and treatment of waste water |
| 3148042-2 | E-Ympäristöpalvelut Lappi Oy | eylappi.fi | 1–10 | €1.5M | Collection and treatment of waste water |
| 3170070-4 | Satvac Oy | satavac.fi | 1–10 | €1.5M | Collection and treatment of waste water |
| 2771272-9 | Underground City Oy | undergroundcity.fi | 1–10 | €1.5M | Collection and treatment of waste water |
| 2232567-4 | Mäntän Puhdistamo Oy | puhdistamo.fi | — | €1.4M | Collection and treatment of waste water |
| 1979265-0 | Suokon Lokapalvelu Oy | lokapalvelu.fi | 1–10 | €1.3M | Collection and treatment of waste water |
| 3405560-8 | Auraclean Helsinki Oy | auraclean.fi | 1–10 | €1.3M | Collection and treatment of waste water |
| 3092775-5 | Ivomit Paineautot Oy | ivomit.fi | 1–10 | €1.2M | Collection and treatment of waste water |
| 2354407-8 | Viemäri- ja kaivohuollot Alanen Oy | alanenoy.fi | 1–10 | €1.1M | Collection and treatment of waste water |
| 2811897-5 | MS-PIPE OY | 11–49 | €1.1M | Collection and treatment of waste water | |
| 0860812-5 | SewCon Kuikka Oy | digisewer.fi | 1–10 | €1.1M | Collection and treatment of waste water |
| 2332293-4 | Pohjanmaan Viemäripalvelu Oy | hakanhjerpe.fi | 1–10 | €1.1M | Collection and treatment of waste water |
How to sell to Wastewater & Sewerage companies in Finland
- Micro-business heavy: 92.0% of firms with reported headcount have 1–10 staff — keep offers simple, fast to adopt, and priced for small teams.
- Revenue concentration: 5 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 Finland's wastewater and sewerage companies.
Wastewater & Sewerage across the Nordics
Compare the wastewater & sewerage sector in Finland with the other Nordic markets.
Buy the full Wastewater & Sewerage dataset for Finland
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Book a meetingFrequently Asked Questions
How many wastewater and sewerage companies are there in Finland?+
There are 388 wastewater and sewerage companies in Finland, split across 1 sub-industries, the largest being Collection and treatment of waste water with 388 companies. Figures were last updated on 19 June 2026.
What are the largest wastewater and sewerage companies in Finland?+
Ranked by revenue, the largest wastewater and sewerage companies in Finland include Lahti Aqua Oy, EEROLA-YHTIÖT OY, Turun seudun puhdistamo Oy, Aqua Palvelu Oy, Putkistosaneeraus Eerola Oy. 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 Finland?+
Nordic Lead Database provides verified emails, direct phone numbers and company data for decision-makers at Finland's 388 wastewater and sewerage companies. Book a meeting and we'll provision access or build a custom export.
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