| Grosvenor Court Estate Maintenance Company Limited | Real estate | 2018 |
| Grosvenor House Developments Limited | Construction | 2018 |
| Ground Screw Crew Limited | Construction | 2022 |
| Grounded Media Ltd | Information & communication | 2025 |
| GROUP8 Consulting Limited | Administrative & support | 2017 |
| GROUP8 Global Holdings Ltd | Professional & scientific | 2022 |
| Grove Farm Nursery Limited | Real estate | 2005 |
| Grove Farm Residents Management Company Limited | Extraterritorial | 2020 |
| Grovers Freehold Company Limited | Other services | 2011 |
| Grow Healthy Ltd | Agriculture & fishing | 2022 |
| Grow Sales Ltd | Wholesale & retail | 2002 |
| Grow Solutions Limited | Information & communication | 2005 |
| Growlers and Cans Ltd | Wholesale & retail | 2018 |
| Grumpy Bulldog Investments | Administrative & support | 2025 |
| GRW Enterprises Ltd | Transport & logistics | 2011 |
| GS1 Global Life Science Ltd | Wholesale & retail | 2025 |
| GSD Clearances Limited | Water & waste | 2024 |
| GSG Surrey Ltd | Construction | 2017 |
| GT Plastering Group Ltd | Construction | 2025 |
| GTB Food and Wine Ltd | Wholesale & retail | 2025 |
| GTN International UK Limited | Professional & scientific | 2024 |
| GTN UK Holdings Ltd | Financial services | 2024 |
| GTN UK SSE Ltd | Administrative & support | 2025 |
| GU Cars Ltd | Transport & logistics | 2018 |
| GU Real Estate Ltd | Real estate | 2023 |
| Guardians of Your Garden Ltd | Administrative & support | 2024 |
| Guguini Ltd | Wholesale & retail | 2022 |
| Guide ME Fit Ltd | Wholesale & retail | 2017 |
| Guild Building Contractors Ltd | Construction | 2026 |
| Guild Management Limited | Professional & scientific | 2023 |
| Guild Property Limited | Real estate | 2021 |
| Guild Tech Services Limited | Administrative & support | 2017 |
| Guildford Accounting Services Limited | Professional & scientific | 2016 |
| Guildford Action for Community Care | Health & social care | 1999 |
| Guildford Anaesthetic Services LLP | | 2024 |
| Guildford Archery Club Limited | Arts & recreation | 2010 |
| Guildford Barber Specialists Ltd | Other services | 2023 |
| Guildford Beer Festival Limited | Arts & recreation | 2012 |
| Guildford Besom | Professional & scientific | 2006 |
| Guildford Borough Council Holdings Limited | Financial services | 2016 |
| Guildford Breast Oncology Limited | Health & social care | 2011 |
| Guildford Burrito Ltd | Wholesale & retail | 2022 |
| Guildford Business Services Ltd | Information & communication | 2018 |
| Guildford Butchery Ltd | Wholesale & retail | 2019 |
| Guildford Cars Ltd | Transport & logistics | 2025 |
| Guildford Cathedral Enterprises Limited | Wholesale & retail | 1988 |
| Guildford Childcare Limited | Health & social care | 2010 |
| Guildford Cleaning Services Ltd | Administrative & support | 2024 |
| Guildford Consulting Group Limited | Information & communication | 2026 |
| Guildford Couriers Limited | Transport & logistics | 2011 |
| Guildford Cricket Club Limited | Arts & recreation | 2007 |
| Guildford Dental Excellence Ltd | Health & social care | 2026 |
| Guildford Dental Practice Limited | Health & social care | 2011 |
| Guildford Diocesan Board of Finance(The) | Other services | 1927 |
| Guildford Diocesan Services Limited | Other services | 2011 |
| Guildford DRY Cleaners & Tailoring Ltd | Other services | 2026 |
| Guildford English Limited | Administrative & support | 2013 |
| Guildford Ergonomics Ltd | Professional & scientific | 2015 |
| Guildford Estates (2014) Ltd | Real estate | 2021 |
| Guildford Estates (2015) Limited | Real estate | 2015 |
| Guildford Estates (2017) Limited | Real estate | 2018 |
| Guildford Estates 2016 Limited | Construction | 2016 |
| Guildford Financial & Advisory Centre Limited | | 1988 |
| Guildford Flames Junior Training Programme | Other services | 1997 |
| Guildford Football Club Limited | Arts & recreation | 2024 |
| Guildford Fringe Festival Limited | Arts & recreation | 2014 |
| Guildford Fringe Theatre Company Limited | Extraterritorial | 2024 |
| Guildford Glass & Glazing Ltd | Construction | 2018 |
| Guildford Golf Club Limited | Arts & recreation | 2011 |
| Guildford Heating Solutions Ltd | Construction | 2011 |
| Guildford Hypnotherapy Limited | Other services | 2012 |
| Guildford Jazz Community Interest Company | Arts & recreation | 2018 |
| Guildford Jubilee Social Club | Health & social care | 2017 |
| Guildford Mobile & Vape Limited | Wholesale & retail | 2024 |
| Guildford Model Engineering Society Limited | Other services | 1983 |
| Guildford Movers Limited | Transport & logistics | 2025 |
| Guildford Muffin Ltd | Hospitality | 2018 |
| Guildford Muslim Society CIC | Other services | 2023 |
| Guildford Nails & Beauty Ltd | Other services | 2025 |
| Guildford Nails Ltd | Other services | 2016 |
| Guildford Oak Tree Limited | Real estate | 2017 |
| Guildford Pest Control Ltd | Other services | 2009 |
| Guildford Photographer Limited | Professional & scientific | 2006 |
| Guildford Pizza Limited | Hospitality | 2018 |
| Guildford Pizza PVT Ltd | Hospitality | 2026 |
| Guildford Portfolios Limited | Professional & scientific | 1994 |
| Guildford Poyle Charities | Administrative & support | 2011 |
| Guildford Property Company Limited | Construction | 2016 |
| Guildford PUB Company Ltd | Hospitality | 2013 |
| Guildford RD Properties Limited | Real estate | 2014 |
| Guildford Road (Effingham) Management Company Limited | Households | 2011 |
| Guildford Rock School Ltd | Education | 2020 |
| Guildford Roofing & Building Ltd | Construction | 2022 |
| Guildford Rowing Club (1880) Limited | Arts & recreation | 2012 |
| Guildford Shakespeare Company Limited | Administrative & support | 2009 |
| Guildford Shakespeare Company Trust Limited | Administrative & support | 2010 |
| Guildford Sound & Light Limited | Wholesale & retail | 1994 |
| Guildford Spice Ltd | Hospitality | 2026 |
| Guildford Sportsground Management Company Limited | Education | 2019 |
| Guildford Street Pubs Limited | Hospitality | 2019 |