// FINLAND · INDUSTRY
Data updated 19 June 2026
Sewerage Companies in Finland
Companies
388
Market
Finland
The 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 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 sewerage market, or browse all Finland industries.
Summary: key data points for 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
Sewerage in Finland by sub-industry
| Sub-industry | Companies | % of sector |
|---|---|---|
| Collection and treatment of waste water | 388 | 100.0% |
Company size — Sewerage in Finland
Based on the 289 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 — Sewerage in Finland
Based on the 250 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 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 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 sewerage companies.
Sewerage across the Nordics
Compare the sewerage sector in Finland with the other Nordic markets.
Buy the full Sewerage dataset for Finland
Full company insights, verified decision-maker contacts, and CSV/Excel export. Book a meeting and we'll provision access.
Book a meetingFrequently Asked Questions
How many sewerage companies are there in Finland?+
There are 388 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 sewerage companies in Finland?+
Ranked by revenue, the largest 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 sewerage companies in Finland?+
Nordic Lead Database provides verified emails, direct phone numbers and company data for decision-makers at Finland's 388 sewerage companies. Book a meeting and we'll provision access or build a custom export.
All Finland industries
Browse every NACE industry in Finland — 83 sectors in total.
Accommodation Activities auxiliary to financial services and insurance Activities of extraterritorial organisations and bodies Activities of head offices; management consultancy activities Activities of households as employers of domestic personnel Activities of membership organisations Advertising and market research Air transport Architectural and engineering activities; technical testing and analysis Civil engineering Computer programming, consultancy and related activities Construction of buildings Creative, arts and entertainment activities Crop and animal production, hunting and related service activities Education Electricity, gas, steam and air conditioning supply Employment activities Financial service activities, except insurance and pension funding Fishing and aquaculture Food and beverage service activities Forestry and logging Gambling and betting activities Human health activities Information service activities Insurance, reinsurance and pension funding Land transport and transport via pipelines Legal and accounting activities Libraries, archives, museums and other cultural activities Manufacture of basic metals Manufacture of basic pharmaceutical products and preparations Manufacture of beverages Manufacture of chemicals and chemical products Manufacture of computer, electronic and optical products Manufacture of electrical equipment Manufacture of fabricated metal products Manufacture of food products Manufacture of furniture Manufacture of leather and related products Manufacture of machinery and equipment Manufacture of motor vehicles, trailers and semi-trailers Manufacture of other non-metallic mineral products Manufacture of other transport equipment Manufacture of paper and paper products Manufacture of rubber and plastic products Manufacture of textiles Manufacture of wearing apparel Manufacture of wood and of products of wood and cork Mining of metal ores Mining support service activities Motion picture, video and television programme production Office administrative, office support and other business support activities Other manufacturing Other mining and quarrying Other personal service activities Other professional, scientific and technical activities Postal and courier activities Printing and reproduction of recorded media Programming and broadcasting activities Public administration and defence; compulsory social security Publishing activities Real estate activities Remediation activities and other waste management services Rental and leasing activities Repair and installation of machinery and equipment Repair of computers and personal and household goods Residential care activities Retail trade, except of motor vehicles and motorcycles Scientific research and development Security and investigation activities Services to buildings and landscape activities Social work activities without accommodation Specialised construction activities Sports activities and amusement and recreation activities Telecommunications Travel agency, tour operator and other reservation service activities Veterinary activities Warehousing and support activities for transportation Waste collection, treatment and disposal activities; materials recovery Water collection, treatment and supply Water transport Wholesale and retail trade and repair of motor vehicles and motorcycles Wholesale trade, except of motor vehicles and motorcycles