| GJD Catering Ltd | Hospitality | 2026 |
| GK Accomodations Ltd | Real estate | 2023 |
| GKE Consultancy Limited | Water & waste | 2022 |
| GKP Technical Services Limited | Construction | 2026 |
| GKS Pharma Ltd | Health & social care | 2022 |
| GL Electrical Services Ltd | Energy | 2016 |
| GL Joinery Limited | Construction | 2009 |
| GL Portfolio Limited | Real estate | 2024 |
| GL Stairs Limited | Manufacturing | 2019 |
| GLB Fibre Limited | Construction | 2024 |
| Gleamteamdetailing Ltd | Wholesale & retail | 2025 |
| Glenbury Financial Solutions Ltd | Financial services | 2020 |
| Glendale and Cawood Residents Management Company Limited | Households | 2004 |
| Glenn Bartlett Properties Limited | Real estate | 2025 |
| Glenox Design Limited | Professional & scientific | 2015 |
| GLM Motoring Company Limited | Wholesale & retail | 2021 |
| GLM Site Services Limited | Manufacturing | 2025 |
| GLO (Whitby) Limited | Hospitality | 2019 |
| Global Accountancy Ltd | Professional & scientific | 2024 |
| Global Cannabinoid Solutions Ltd | Professional & scientific | 2019 |
| Global Communication Solutions Limited | Information & communication | 2013 |
| Global Consultants SB Limited | Professional & scientific | 2011 |
| Global Grid Solutions Limited | Professional & scientific | 2017 |
| Global Islamic Impact Investing Gateway Ltd | Information & communication | 2020 |
| Global Motion Group Ltd | Administrative & support | 2026 |
| Global Pipework Ltd | Construction | 2012 |
| Global Real Estate GRP Limited | Real estate | 2009 |
| Global Scaffolding Alliance Community Interest Company | Information & communication | 2024 |
| Global Student Hub Ltd | Education | 2025 |
| Glocal Educate Limited | Education | 2019 |
| Glofthouse Ltd | Professional & scientific | 2021 |
| Glow by JO Aesthetics Ltd | Other services | 2026 |
| Glow Tanning (NE) Ltd | Other services | 2025 |
| Glowsphere Services Ltd | Wholesale & retail | 2026 |
| Glowtan (NE) Ltd | Other services | 2024 |
| GM Biohazard Cleaning Ltd | Administrative & support | 2026 |
| GM Contract Flooring Limited | Construction | 2012 |
| GM Taxi Ltd | Transport & logistics | 2026 |
| GM11 Promotions Ltd | Professional & scientific | 2023 |
| GMA (Cleveland Lodge) Limited | Agriculture & fishing | 2016 |
| GMA Healthcare Ltd | Health & social care | 2009 |
| GMA Holdings Limited | Financial services | 2016 |
| Gmatt Ltd | Professional & scientific | 2025 |
| GMD Retail Limited | Wholesale & retail | 2023 |
| GMJ Housing Limited | Hospitality | 2025 |
| GMP Lifting Limited | Professional & scientific | 2019 |
| Gmrd Ltd | Manufacturing | 2026 |
| GMW Engineering Design Limited | Professional & scientific | 2014 |
| GND Maintenance Limited | Construction | 2025 |
| GND Properties NE Limited | Construction | 2024 |
| GNG Construction (NE) Ltd | Other services | 2025 |
| Go Daddy Pizza Ltd | Hospitality | 2024 |
| Go Doughnuts M'Boro Ltd | Wholesale & retail | 2025 |
| Go NET Zero (UK) Limited | Other services | 2023 |
| Go Prestige Ltd | Transport & logistics | 2023 |
| Go Right Roofing Ltd | Construction | 2026 |
| Go UK Wholesale Ltd | Wholesale & retail | 2015 |
| Gobibear Sportwear Ltd | Manufacturing | 2025 |
| Godley's Cycles Limited | Wholesale & retail | 2010 |
| Godz EYE Enterprises Ltd | Real estate | 2026 |
| Gold Box Property Ltd | Real estate | 2024 |
| Gold CUP Inn Limited | Hospitality | 2024 |
| Gold Hands Painting and Decorating Ltd | Construction | 2025 |
| Golden Crown Jewellery Ltd | Wholesale & retail | 2026 |
| Golden Mermaid Fish Shop Limited | Hospitality | 2017 |
| Golden Plaice (NE) Ltd | Hospitality | 2019 |
| Golden-Rich Housings Ltd | Real estate | 2024 |
| Goldswains Distribution Ltd | Transport & logistics | 2022 |
| Goldswains Storage Limited | Other services | 2018 |
| Goldswains Transport Ltd. | Transport & logistics | 2016 |
| Golf Fore ALL Tees Valley CIC | Education | 2021 |
| Golf Sprogs Limited | Education | 2022 |
| Goliath Security Limited | Administrative & support | 2024 |
| Good Buddy Carwash(Ne) Ltd | Administrative & support | 2026 |
| Goodbuytools Ltd | Wholesale & retail | 2020 |
| Goodmans Services Limited | Professional & scientific | 2026 |
| Goodname Estate Co Limited | Professional & scientific | 1994 |
| Goofbid.Com Limited | Information & communication | 2009 |
| Gossip Events Limited | Administrative & support | 2019 |
| Gossip Publications Limited | Information & communication | 2014 |
| Gourmet Coffee Ltd | Hospitality | 2016 |
| Gowan Properties Limited | Hospitality | 2012 |
| GP Warren Logistics Ltd | Transport & logistics | 2025 |
| GPM Business Services Ltd | Administrative & support | 2023 |
| GPR Rail Ltd | Professional & scientific | 2019 |
| GR Project Consulting Limited | Professional & scientific | 2017 |
| Grabzio Limited | Wholesale & retail | 2026 |
| Grace OS Ltd | Information & communication | 2023 |
| Graham Newmarch Architectural Finishers Ltd | Other services | 2013 |
| Graham Stockill Ltd | Hospitality | 2025 |
| Grain Hub Ltd | Wholesale & retail | 2025 |
| Graingers Electrical and Building Services Limited | Construction | 2023 |
| Gramrail Ltd | Construction | 2019 |
| Grandcor Ltd | Professional & scientific | 2020 |
| Grange Auto Services Ltd | Wholesale & retail | 2017 |
| Grange Pizza (North East ) Ltd | Hospitality | 2025 |
| Grange Road Consulting Limited | Professional & scientific | 2018 |
| Grangetown Coating Services Ltd | Construction | 2025 |
| Grangetown Taxis TS6 Ltd | Transport & logistics | 2026 |
| Graniteman Ltd | Extraterritorial | 2019 |