| Eastnordic Trade- and Business Partner Suomi Oy | Real estate | 2021 |
| EasyGroup Oy Cleaning Services | Administrative & support | 2021 |
| Eat Shoot Drive OY | Hospitality | 2019 |
| Eat Thai Oy | Real estate | 2019 |
| Eber Vision Group Oy | Hospitality | 2011 |
| Eckero Oy | Financial services | 2013 |
| Eco Water W4YG Oy Ltd | Manufacturing | 2019 |
| Eco pro building Oy | Construction | 2020 |
| Eco-Fresh Siivouspalvelu Oy | Administrative & support | 2024 |
| EcoGram Nurolink Ltd Oy | Information & communication | 2025 |
| EcoVation Oy | Wholesale & retail | 2019 |
| Ecobiox Oy | Manufacturing | 2010 |
| Ecopoisto Oy | Water & waste | 2020 |
| Ecotech Constructions | Construction | 2021 |
| EdifyTalent Oy | Information & communication | 2019 |
| Edion Oy | Education | 1998 |
| Eduard Rastoropov Coaching Oy | Other services | 2020 |
| Eduhost Oy | Information & communication | 2020 |
| Edustusliike Olli Mentula Oy | Wholesale & retail | 1999 |
| Ee-Rak Oy | Construction | 2005 |
| Eetsmakelijk Finland Oy | Information & communication | 2021 |
| Eetux Oy | Professional & scientific | 2008 |
| Efekaan Oy | Hospitality | 2018 |
| EhVe Oy | Professional & scientific | 2021 |
| EiNe Oy | Construction | 2021 |
| Eija Bouras Oy | Wholesale & retail | 2018 |
| Eiran Kattohuolto Oy | Construction | 1991 |
| Eiran Terken Oy | Construction | 2009 |
| Eiran kukka ja hautauspalvelu Nyberg Oy | Other services | 2016 |
| Ekenäs Bygg Ab | Construction | 1980 |
| Ekenäs Innovation Harbour Oy | Real estate | 2020 |
| Ekoenar Oy | Professional & scientific | 2016 |
| El Ref Oy | Manufacturing | 2018 |
| El-Man Konsult Ab | Construction | 1981 |
| Ela Family Oy | Information & communication | 2024 |
| Ela ravintola oy | Hospitality | 2019 |
| Electronic Parking Finland OY AB | Information & communication | 2013 |
| Eleni Venture Partners Oy | Administrative & support | 2021 |
| Elenius Consulting & Ventures Oy | Professional & scientific | 2019 |
| Elestal Oy | Construction | 2020 |
| Elf Seeds Oy | Wholesale & retail | 2019 |
| Elfgren Oy | Professional & scientific | 2007 |
| Elmaster Oy | Construction | 1990 |
| Elmusgosur Holding Oy | Real estate | 2000 |
| Elokuvakulma Oy | Other services | 2019 |
| Elokuvatuotantoyhtiö ÖLK Oy | Information & communication | 2011 |
| Elpartner Oy | Wholesale & retail | 2023 |
| Elsoft oy | Information & communication | 2019 |
| Elsys Europe Ltd Oy | Information & communication | 2020 |
| Elvi Maria Oy | Real estate | 2003 |
| EmMi Cosmetics Oy | Other services | 2018 |
| Emarcom Oy | Wholesale & retail | 1996 |
| Embryonics Oy | Professional & scientific | 2011 |
| Emedpatch Oy | Professional & scientific | 2022 |
| Emerald Invest Ab | Real estate | 2013 |
| En Trappa Upp Ab | Hospitality | 2021 |
| End Of Day Solutions Oy | Administrative & support | 2017 |
| End of the World Oy | Information & communication | 2013 |
| Energotech Oy | Construction | 2020 |
| Energy Balance Finland Ab | Construction | 2024 |
| EnergySafe Oy | Real estate | 2024 |
| Enevio Ab | Information & communication | 2024 |
| English Pub Company Oy | Financial services | 2020 |
| Enreport OY | Information & communication | 2022 |
| Ensikuura Oy | Hospitality | 2019 |
| Entisöintipläkkärit Oy | Construction | 2008 |
| Eperra-Capital Oy | Real estate | 1991 |
| Epilogi Helsinki Oy | Information & communication | 2003 |
| Eppe Oy | Information & communication | 1995 |
| Erfura Ky | Wholesale & retail | 1991 |
| Erik Öst Pälsdjursfarm Ab | Agriculture & fishing | 1994 |
| Erikoispalvelu M. Suhonen Oy | Administrative & support | 2017 |
| Erikoistiimi Oy | Administrative & support | 2019 |
| Ersmark Avoin yhtiö | Construction | 2012 |
| Erämaan Ellit Oy | Other services | 2016 |
| EsaAsunto | Real estate | 2022 |
| Esaj Holding Oy | Financial services | 2022 |
| Esak Rakennus Oy | Construction | 2012 |
| Eshaal Nazish Oy | Hospitality | 2020 |
| Esimet OY | Information & communication | 2022 |
| Espoo Business Centre Oy | Real estate | 2013 |
| Espoon H-Rakennus Oy | Construction | 1985 |
| Espoon M.D Oy | Hospitality | 2022 |
| Espoon Muurauspalvelu Oy | Construction | 1981 |
| Espoon erikoisapu ja rakennus Oy | Construction | 2012 |
| Espoon laatumuuraus Oy | Construction | 2003 |
| Espoon sähkö- ja timpuri palvelut Oy | Construction | 2022 |
| Estate Express Oy | Real estate | 2020 |
| Estcontract oy | Construction | 2022 |
| Estnofin Group Oy | Construction | 2016 |
| Etelä-Savon matkat Ky | Transport & logistics | 2013 |
| Etelä-Suomen Erikoispuhdistus Oy | Administrative & support | 2006 |
| Etelä-Suomen Laskutuspalvelu Oy | Administrative & support | 2017 |
| Eteläläinen Taksipalvelu Oy | Transport & logistics | 2022 |
| Ettan Holding Oy | Financial services | 2018 |
| Euro Access Ab | Wholesale & retail | 2020 |
| Euro-Afro Innovation & Consulting Oy Ltd | Extraterritorial | 2020 |
| Eurodigital Oy | Administrative & support | 2020 |
| Europakut Oy | Administrative & support | 2023 |
| Europe Finance and Consulting Oy | Professional & scientific | 2021 |