104active companies
14registered in the past year
42reported taxable income for 2024
350 t€industry median income in Finland, 2024
Largest by taxable income (100 of 104)
| Company | Municipality | Taxable income 2024 | Revenue |
|---|---|---|---|
| Savon Voima OyjPublic limited company, registered 1947 | Siilinjärvi | 39,9 M€ | – |
| Seinäjoen Energia OyLimited company, registered 1994 | Seinäjoki | 14,2 M€ | – |
| Caruna Espoo OyLimited company, registered 2006 | Espoo | 11,7 M€ | – |
| Lappeenrannan Energiaverkot OyLimited company, registered 2005 | Lappeenranta | 10,7 M€ | – |
| Oy Turku Energia-Åbo Energi AbLimited company, registered 1994 | Turku | 8,0 M€ | – |
| Imatran Seudun Sähkö OyLimited company, registered 1929 | Imatra | 7,3 M€ | – |
| KSS Verkko OyLimited company, registered 2005 | Kouvola | 5,0 M€ | – |
| Lempeä Lämpö OyLimited company, registered 1995 | Mikkeli | 3,6 M€ | – |
| Kuopion Sähköverkko OyLimited company, registered 2014 | Kuopio | 3,6 M€ | – |
| Nurmijärven Sähköverkko OyLimited company, registered 2010 | Nurmijärvi | 2,7 M€ | – |
| Forssan Verkkopalvelut OyLimited company, registered 2008 | Forssa | 2,6 M€ | – |
| Rauman Energia OyLimited company, registered 1997 | Rauma | 2,1 M€ | – |
| Seiverkot OyLimited company, registered 2007 | Seinäjoki | 1,9 M€ | – |
| Äänekosken Energia OyLimited company, registered 1993 | Äänekoski | 1,9 M€ | – |
| Valkeakosken Energia OyLimited company, registered 1995 | Valkeakoski | 1,8 M€ | – |
| Lestijärven sähköverkko OyLimited company, registered 2020 | Helsinki | 1,5 M€ | – |
| Köyliön-Säkylän Sähkö OyLimited company, registered 1924 | Säkylä | 1,2 M€ | – |
| Tornion Energia OyLimited company, registered 2002 | Tornio | 1,1 M€ | – |
| Sähkö-Virkeät OyLimited company, registered 1992 | Virrat | 672 t€ | – |
| Lammaisten Energia OyLimited company, registered 1914 | Harjavalta | 507 t€ | – |
| Raseborgs Energi AbLimited company, registered 1991 | Raasepori | 350 t€ | – |
| Kotkan Energiaverkot OyLimited company, registered 2015 | Kotka | 209 t€ | – |
| Lounais-Suomen sähköpalvelut OyLimited company, registered 2022 | Turku | 196 t€ | 1,6 M€ |
| Raahen Energia OyLimited company, registered 2000 | Raahe | 151 t€ | – |
| Herrfors Nät-Verkko Oy AbLimited company, registered 2007 | Pietarsaari | 87 t€ | – |
| Elimäen Neloset OyLimited company, registered 1983 | Kouvola | 80 t€ | – |
| IONITY GmbH, Suomen sivuliikeBranch, registered 2018 | 51 t€ | – | |
| Oulun Seudun Sähkö Verkkopalvelut OyLimited company, registered 1994 | Kempele | 41 t€ | – |
| ESE-Verkko OyLimited company, registered 2003 | Mikkeli | 32 t€ | – |
| Tampereen Energia Sähköverkko OyLimited company, registered 2005 | Tampere | 20 t€ | – |
| VN-Energia OyLimited company, registered 1997 | Akaa | 17 t€ | – |
| Uusnivala Energy Storage OyLimited company, registered 2023 | Helsinki | 9 806 € | – |
| Nero-Lataus OyLimited company, registered 2022 | Espoo | 6 665 € | – |
| OTRAPlan OyLimited company, registered 2016 | Pudasjärvi | 2 511 € | – |
| Allego Charging OyLimited company, registered 2023 | Helsinki | 1 203 € | – |
| Kerienergia OyLimited company, registered 1995 | Mikkeli | 711 € | – |
| Tirvan Voima OyLimited company, registered 1989 | Helsinki | 504 € | – |
| Vatajankoski Sähköverkko OyLimited company, registered 2020 | Kankaanpää | 464 € | – |
| Mikkelin Energia OyLimited company, registered 1995 | Mikkeli | 200 € | – |
| Leivonmäen Lämpö OyLimited company, registered 1995 | Mikkeli | 152 € | – |
| Imatra FNW OyLimited company, registered 2010 | Imatra | 54 € | – |
| Siikaisten PuuosuuskuntaCooperative, registered 1997 | Kankaanpää | 47 € | – |
| EPC Energy OyLimited company, registered 2024 | Helsinki | – | – |
| Max Group OyLimited company, registered 2024 | Espoo | – | – |
| Halsuan Grid OyLimited company, registered 2024 | Helsinki | – | – |
| PragmaCharge OyLimited company, registered 2024 | Kerava | – | – |
| Pahkavaara Grid OyLimited company, registered 2023 | Helsinki | – | – |
| Rajamäenkylä Grid OyLimited company, registered 2023 | Helsinki | – | – |
| Korkeamaa Grid OyLimited company, registered 2023 | Helsinki | – | – |
| Aalto Energia OyjPublic limited company, registered 2023 | Helsinki | – | – |
| ND Advisory Group Ab LtdLimited company, registered 2022 | Mustasaari | – | – |
| EvSolar OyLimited company, registered 2022 | Hyvinkää | – | – |
| Suomen Ammattiautoilijoiden Lataus OyLimited company, registered 2022 | Tampere | – | – |
| Alandia EV Charging AbLimited company, registered 2022 | Maarianhamina - Mariehamn | – | – |
| Oy SCANPOWER LtdLimited company, registered 2022 | Porvoo | – | – |
| Enerva OyLimited company, registered 2019 | Mikkeli | – | – |
| ED-Container OyLimited company, registered 2018 | Tampere | – | – |
| Liimaniemen Sähköliittymä OyLimited company, registered 2018 | Kitee | – | – |
| Haka Supervision OyLimited company, registered 2017 | Kurikka | – | – |
| PE Group OyLimited company, registered 2014 | Helsinki | – | – |
| Liikennevirta OyLimited company, registered 2013 | Helsinki | – | – |
| Aurora Kilpilahti OyLimited company, registered 2013 | Porvoo | – | – |
| Aurora Tornio OyLimited company, registered 2013 | Tornio | – | – |
| Loiste OyLimited company, registered 2013 | Kajaani | – | – |
| Tervolan Energia ja Vesi OyLimited company, registered 2004 | Tervola | – | – |
| Karstulan Lämpöverkko OyLimited company, registered 1999 | Karstula | – | – |
| Hiitolanjoen Voima OyLimited company, registered 1998 | Imatra | – | – |
| Kestilän Voima OyLimited company, registered 1996 | Siikalatva | – | – |
| Sipoon Energia OyLimited company, registered 1995 | Kerava | – | – |
| Kerimäen Lämpö OyLimited company, registered 1995 | Mikkeli | – | – |
| Luhangan Lämpö OyLimited company, registered 1995 | Mikkeli | – | – |
| Pertunmaan Lämpö OyLimited company, registered 1995 | Mikkeli | – | – |
| Ristiinan Lämpö OyLimited company, registered 1995 | Mikkeli | – | – |
| Voimakymi OyLimited company, registered 1995 | Kouvola | – | – |
| Savon Energia OyLimited company, registered 1994 | Siilinjärvi | – | – |
| Iin Energia OyLimited company, registered 1993 | Ii | – | – |
| Keravan Energia OyLimited company, registered 1992 | Kerava | – | – |
| Vetelin Energia OyLimited company, registered 1990 | Veteli | – | – |
| Pähkinälämpö OyLimited company, registered 1987 | Turku | – | – |
| Sahranpuiston Lämpö OyLimited company, registered 1983 | Salo | – | – |
| Temmeksen SähköosuuskuntaCooperative, registered 1951 | Tyrnävä | – | – |
| Köyliön-Säkylän Sähköverkko OyLimited company, registered 2026 | Säkylä | – | – |
| Lyra Energia OyLimited company, registered 2026 | Mustasaari | – | – |
| Sirius Energia OyLimited company, registered 2026 | Mustasaari | – | – |
| Orion Energia OyLimited company, registered 2026 | Mustasaari | – | – |
| Valkeakosken Siirtoverkot OyLimited company, registered 2026 | Valkeakoski | – | – |
| Aurora Sotkamo OyLimited company, registered 2026 | Helsinki | – | – |
| Merus Power Development OyLimited company, registered 2026 | Ylöjärvi | – | – |
| Piipsanpalon Akku OyLimited company, registered 2026 | Mustasaari | – | – |
| Timon Tasapainotus OyLimited company, registered 2026 | Ylöjärvi | – | – |
| Laurin Tasapainotus OyLimited company, registered 2026 | Ylöjärvi | – | – |
| Simeonilan Tasapainotus OyLimited company, registered 2026 | Ylöjärvi | – | – |
| Tuomaksen Tasapainotus OyLimited company, registered 2026 | Ylöjärvi | – | – |
| Tervolan Tasapainotus OyLimited company, registered 2026 | Ylöjärvi | – | – |
| Enereon Outokumpu OyLimited company, registered 2025 | Oulu | – | – |
| Korkeamaa BESS OyLimited company, registered 2025 | Helsinki | – | – |
| Sähkötytöt OyLimited company, registered 2025 | Helsinki | – | – |
| Tuovilan Energiahanke OyLimited company, registered 2025 | Helsinki | – | – |
| Hopearuukin Energiahanke OyLimited company, registered 2025 | Mustasaari | – | – |
| TJ2 consulting OyLimited company, registered 2025 | Siuntio | – | 51 t€ |
Taxable income is the profit as calculated for taxation, not revenue. Revenue is shown once a company has filed its financial statements digitally. Each company's page has its financials, tax data and Trade Register events.
Newest companies
| Köyliön-Säkylän Sähköverkko Oy | 11.10.2026 |
| Lyra Energia Oy | 4.6.2026 |
| Sirius Energia Oy | 3.6.2026 |
| Orion Energia Oy | 3.6.2026 |
| Valkeakosken Siirtoverkot Oy | 12.5.2026 |
| Aurora Sotkamo Oy | 30.4.2026 |
| Merus Power Development Oy | 17.4.2026 |
| Piipsanpalon Akku Oy | 5.3.2026 |
| Timon Tasapainotus Oy | 18.2.2026 |
| Laurin Tasapainotus Oy | 18.2.2026 |
By municipality
Helsinki18Mikkeli10Mustasaari6Ylöjärvi6Espoo5Imatra3Kerava3Kouvola3Tampere3Turku3Kankaanpää2Porvoo2Seinäjoki2Siilinjärvi2Säkylä2Tornio2Valkeakoski2Akaa1Forssa1Harjavalta1Hyvinkää1Ii1Kajaani1Karstula1Kempele1Kitee1Kotka1Kuopio1Kurikka1Lappeenranta1Maarianhamina - Mariehamn1Nurmijärvi1Oulu1Pietarsaari1Pudasjärvi1Raahe1Rauma1Raasepori1Salo1Siuntio1Siikalatva1Tervola1Tyrnävä1Veteli1Virrat1Äänekoski1