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Largest Wastewater Treatment Companies in Denmark (2026)

A ranked list of active wastewater treatment companies in Denmark, based on the latest comparable revenue reported in public registry filings.

  • 20 companies
  • Displayed in EUR
  • Updated 2026-08-17
Ranked companies: Wastewater Treatment Companies ranked by latest reported revenue
Rank Company Industry Latest revenue Profit/loss Employees Year Website
1 HOFOR SPILDEVAND KØBENHAVN A/S Sign up for full profile Wastewater Treatment €123,640,460 €25,936,236 87 2024 Register free to reveal
2 BIOFOS LYNETTEFÆLLESSKABET A/S Sign up for full profile Wastewater Treatment €67,699,614 €15,698,904 Not available 2024 Register free to reveal
3 DIN Forsyning Spildevand A/S Sign up for full profile Wastewater Treatment €40,145,596 €9,462,410 Not available 2024 Register free to reveal
4 AALBORG KLOAK A/S Sign up for full profile Wastewater Treatment €38,675,884 €4,733,684 Not available 2024 Register free to reveal
5 VEJLE SPILDEVAND A/S Sign up for full profile Wastewater Treatment €35,447,422 €14,362,656 53 2024 Register free to reveal
6 BlueKolding Spildevand A/S Sign up for full profile Wastewater Treatment €27,943,288 €11,707,714 Not available 2024 Register free to reveal
7 FREDERIKSHAVN SPILDEVAND A/S Sign up for full profile Wastewater Treatment €22,886,664 €1,765,182 Not available 2024 Register free to reveal
8 SONFOR Spildevand A/S Sign up for full profile Wastewater Treatment €21,902,568 €7,154,662 41 2024 Register free to reveal
9 BIOFOS SPILDEVANDSCENTER AVEDØRE A/S Sign up for full profile Wastewater Treatment €20,163,248 €3,539,744 Not available 2024 Register free to reveal
10 GULDBORGSUND SPILDEVAND A/S Sign up for full profile Wastewater Treatment €19,730,753 -€281,686 Not available 2024 Register free to reveal
11 SK SPILDEVAND A/S Sign up for full profile Wastewater Treatment €19,591,336 €2,869,744 Not available 2024 Register free to reveal
12 ARWOS SPILDEVAND A/S Sign up for full profile Wastewater Treatment €19,164,144 €4,906,276 Not available 2024 Register free to reveal
13 FORS Spildevand Roskilde A/S Sign up for full profile Wastewater Treatment €18,530,592 -€1,742,134 Not available 2024 Register free to reveal
14 SILKEBORG SPILDEVAND A/S Sign up for full profile Wastewater Treatment €18,529,654 -€1,562,172 36 2024 Register free to reveal
15 FREDERICIA SPILDEVAND OG ENERGI A/S Sign up for full profile Wastewater Treatment €18,075,796 -€1,069,320 47 2024 Register free to reveal
16 Skanderborg Spildevand A/S Sign up for full profile Wastewater Treatment €16,486,288 €996,290 Not available 2024 Register free to reveal
17 FORSYNING HELSINGØR SPILDEVAND A/S Sign up for full profile Wastewater Treatment €16,393,024 €1,385,158 Not available 2024 Register free to reveal
18 VESTFORSYNING SPILDEVAND A/S Sign up for full profile Wastewater Treatment €16,242,944 €1,113,272 Not available 2024 Register free to reveal
19 FORS Spildevand Holbæk A/S Sign up for full profile Wastewater Treatment €15,947,608 -€865,372 Not available 2024 Register free to reveal
20 HOFOR SPILDEVAND HVIDOVRE A/S Sign up for full profile Wastewater Treatment €15,680,948 €3,695,184 Not available 2024 Register free to reveal

Source currency retained · FX 2026-06-22