| GloESDE Oy (Global Exchange of Sustainability Development Experties) | Nokia | 2024 |
| GlobaVoice Oy | Tampere | 2026 |
| Global Access Oy | Lohja | 1998 |
| Global Affiliates Ltd Oy | Helsinki | 2013 |
| Global BIMio Oy | Helsinki | 2026 |
| Global Ballon Oy | Helsinki | 2013 |
| Global Better Health Oy | Osoite Tuntematon | 2019 |
| Global Blue - Administration Center North Oy | Helsinki | 2007 |
| Global Blue Finland Oy | Helsinki | 1999 |
| Global Business & Training Ky | Pernaja | 1999 |
| Global Channel Solutions Oy | Yrityslokero | 2021 |
| Global Construction Developer Oy | Turku | 2026 |
| Global EcoSolutions Oy | Espoo | 2007 |
| Global Engineering Oy | Kajaani | 2016 |
| Global Entertainment Network Finland Oy | | 1999 |
| Global Expand Oy | Tampere | 2024 |
| Global Fire Solutions AB Ltd | Vaasa | 2015 |
| Global Influencer Network Oy | Kemiö | 2026 |
| Global Interactive Services Oy | Vantaa | 2017 |
| Global Investment and Education Marketing Company Oy | Kemiö | 2023 |
| Global Network Oy | Turku | 1997 |
| Global Operations Group Oy | Espoo | 2021 |
| Global Padel Games Oy | Vantaa | 2023 |
| Global RevMan Group Oy | Espoo | 2026 |
| Global Risk & Threat Assessment Ltd. Oy | Espoo | 2023 |
| Global Risk Consultants Limited, Suomen sivuliike | | 2023 |
| Global SEM Oy | Tampere | 2021 |
| Global Safety & Security Solutions Oy | Vihti | 1990 |
| Global Service Finland Oy | Tampere | 2010 |
| Global Shopping Oy Ltd | Pori | 2007 |
| Global System Certification Oy Ltd | Pori | 2008 |
| Global Terminal Equipment Ltd Oy | Joensuu | 2026 |
| Global Tire Technologies Oy | Pirkkala | 2025 |
| Global offshore project consulting Ab | Gottby | 2017 |
| Global-Impex Oy | Espoo | 1998 |
| GlobalEdu Advisors Oy | Espoo | 2025 |
| Globalcomm Oy | Oulu | 1992 |
| Globale Oy | Jyväskylä | 2022 |
| Globalexis Oy | Ilomantsi | 2022 |
| Globalion Oy | Vantaa | 2012 |
| Globe Publish Ky | Kauvatsa As | 2014 |
| GlobeVAC Oy | Espoo | 2026 |
| Globäck Invest Oy Ab | Mustasaari | 2015 |
| Glogger Oy | Helsinki | 2020 |
| Glom Studio Oy | Tampere | 2025 |
| Glomars Oy | Espoo | 2012 |
| Gloomy Light Productions Oy | Lappeenranta | 2009 |
| Glossaario Tulkkaus- ja Käännöspalvelut Oy | Vantaa | 2017 |
| Glossator Oy | Lappeenranta | 2014 |
| Glotech Oy | Nummela | 1998 |
| Glow Accounting Oy | Västerskog | 2025 |
| Glow Chance Oy | Vantaa | 2023 |
| Glow Group Finland Oy | Jyväskylä | 2026 |
| Glow Keys Oy | Helsinki | 2026 |
| Glow Live Oy | Jyväskylä | 2006 |
| Glow Unity Oy | Söderkulla | 2026 |
| Glow Up Media Avoin Yhtiö | Kotka | 2025 |
| GlowEng Kommandiittiyhtiö | Helsinki | 2012 |
| GlowJuSi Oy | Kauniainen | 2025 |
| Gloway Invent Oy | Espoo | 2008 |
| Glowdia Oy | Oulu | 2018 |
| Glowings Media Oy | Kempele | 2025 |
| Glowup Management Oy | Helsinki | 2024 |
| GlucoModicum Oy | Helsinki | 2018 |
| Glunga Oy | Luumäki | 2020 |
| Gluschkoff Partners Oy | Helsinki | 2026 |
| Glyconics Europe Ab | Helsinki | 2023 |
| Glykos Finland Oy | Helsinki | 2004 |
| Glykos Holding Oy | Helsinki | 2005 |
| Gmico Oy | Akaa | 2024 |
| Gnosis Oy | Jyväskylä | 2006 |
| Go Digital Oy | Espoo | 2011 |
| Go Global Oy | Helsinki | 2010 |
| Go Group Oy | Espoo | 2022 |
| Go International Oy | Tampere | 1982 |
| Go Pete's Consulting Oy | Hollola | 2019 |
| Go Productions Oy | Turku | 2008 |
| Go Visual Oy | Helsinki | 2019 |
| Go-Getter Oy | Espoo | 2016 |
| Go-Katsastus Oy | Espoo | 2013 |
| GoAds Oy | Vantaa | 2023 |
| GoCat Consulting Oy | Haapavesi | 2014 |
| GoExit Finland Oy | Espoo | 2024 |
| GoRail Oy | Espoo | 2019 |
| GoSauna Oy | Espoo | 2008 |
| GoWell Consulting Oy | Espoo | 2012 |
| Goal digger oy | Kangasala | 2024 |
| Goaling Oy | Espoo | 2019 |
| Goat Performance Oy | Helsinki | 2021 |
| Goatlake Management Consulting Oy | Vuohijärvi | 2024 |
| Goatshow Ventures Oy | Rajamäki | 2022 |
| Gobay Oy | Vasikka-Aho | 2021 |
| Godenhjelm Consulting Oy | Helsinki | 2018 |
| Godo Group Oy | Helsinki | 2021 |
| Goeswithskies Oy | Helsinki | 2018 |
| Gofore Lead Oy | Helsinki | 2004 |
| Gofore Simulators Oy | Tampere | 2003 |
| Goforth Advisory oy | Espoo | 2021 |
| GogoM Oy | Helsinki | 2026 |
| Gogrow Oy | Sipoo | 2013 |