| Greene Sky Limited | Administrative & support | 2023 |
| Greener Shelter Limited | Real estate | 2026 |
| Greener UK Recycling Ltd | Water & waste | 2021 |
| Greenfield (Essex) Ltd | Hospitality | 2025 |
| Greengates (Great Leighs) Management Company Limited | Households | 2017 |
| Greengo Technology Limited | Information & communication | 2021 |
| Greenleaf Court Limited | Households | 1995 |
| Greenlink International Limited | Professional & scientific | 1999 |
| Greenman Bushcraft Limited | Extraterritorial | 2007 |
| Greenpathways Ltd | Wholesale & retail | 2020 |
| Greens Telecom Limited | Wholesale & retail | 2017 |
| Greenshoots Investments Ltd | Real estate | 2019 |
| Greenstage Limited | Professional & scientific | 2021 |
| Greentree Regeneration Limited | Construction | 2013 |
| Greenvale (Purleigh) Management Company Limited | Households | 2017 |
| Greenwood Interiors Limited | Transport & logistics | 1991 |
| Grenage Limited | Extraterritorial | 1997 |
| Grey Lady’S Luxury Cat Hotel Limited | Other services | 2025 |
| Grey Matters Trading and Consultancy Limited | Wholesale & retail | 2020 |
| Greyfriars House RTM Company Limited | Households | 2021 |
| Greyhound Grove Management Company Limited | Households | 2023 |
| Greyleaf Ltd | Administrative & support | 2024 |
| GRG Services Limited | Construction | 1995 |
| Grid Engineering Ltd | Construction | 2024 |
| Gridvise Limited | Real estate | 2014 |
| Griffin and Grey Holdings Limited | Financial services | 2020 |
| Griffin Estates (Essex) Ltd | Real estate | 2019 |
| Griffin Operations Ltd | Construction | 2019 |
| Griffiths Programming Ltd | Information & communication | 2022 |
| Grill HUT Chelmsford Limited | Hospitality | 2023 |
| Grima Jewellery Limited | Wholesale & retail | 2012 |
| Grjk Commercial Ltd | Real estate | 2026 |
| Grnpd Ltd | Construction | 2021 |
| Groove Machine Ltd | Information & communication | 2020 |
| Grossets Investments Limited | Real estate | 2000 |
| Grosvenor Developments (London) Limited | Construction | 2021 |
| Ground Support Labs Ltd | Wholesale & retail | 2020 |
| Ground UP Pressure Washing Ltd | Administrative & support | 2025 |
| Group Risk Solutions Ltd | Administrative & support | 2021 |
| Grove (Chelmsford) Lawn Tennis Club | Arts & recreation | 2017 |
| Grove Gallery (Shoreditch) Ltd | Wholesale & retail | 2025 |
| Grove Gallery Global Ltd | Wholesale & retail | 2025 |
| Grove House Management (Brentwood) Limited | Households | 1999 |
| Grove Square Assets Ltd | Wholesale & retail | 2019 |
| Groveville Limited | Professional & scientific | 2013 |
| Grow Padel Ltd | Professional & scientific | 2024 |
| GRS (2018) Ltd | Financial services | 2018 |
| GS Car Tech Ltd | Wholesale & retail | 2025 |
| GSD Transfer Ltd | Transport & logistics | 2018 |
| GSE Project Services Limited | Professional & scientific | 2011 |
| Gsfl Limited | Real estate | 2014 |
| Gsfs Catering Ltd | Hospitality | 2015 |
| GSH Commercial Limited | Real estate | 2006 |
| GSL Plant Hire Limited | Administrative & support | 2020 |
| GST Medical Ltd | Health & social care | 2014 |
| GT Boss Ltd | Other services | 2017 |
| GT Property Rentals Limited | Real estate | 2022 |
| GT Sealants Ltd | Construction | 2014 |
| GTJ Capability Ltd | Professional & scientific | 2014 |
| GTW Consultancy Limited | Administrative & support | 2013 |
| Guarantees & Bonds Holdings Ltd | Financial services | 2024 |
| Guardpack Limited | Manufacturing | 1991 |
| Guardpack Print Limited | Manufacturing | 2022 |
| Guidestone Wealth Management Limited | Financial services | 2025 |
| Guildway Accountants Ltd | Professional & scientific | 2022 |
| Guilti Pleazure Ltd | Wholesale & retail | 2025 |
| Guinea PIG Magazine Ltd | Information & communication | 2019 |
| Gulfan Lodging Property Management Ltd | Real estate | 2025 |
| Gully Point Limited | Hospitality | 2019 |
| Gullyxco Ltd | Information & communication | 2023 |
| Gumball Design Limited | Professional & scientific | 2024 |
| Guney Ltd | Hospitality | 2025 |
| Gunite Solutions Limited | Construction | 2011 |
| Gupi (TF) Limited | Real estate | 2014 |
| Gupi Properties Limited | Real estate | 2012 |
| Gurnard Pines Estate Management Limited | Real estate | 2014 |
| Gurnard Pines Limited | Extraterritorial | 2012 |
| Gurnard Pines Lodges Limited | Real estate | 2023 |
| Gurnard Pines Property Management Limited | Real estate | 2014 |
| Gurnard Pines Sales and Lettings Limited | Real estate | 2017 |
| Gurukripa Limited | Health & social care | 2021 |
| Gurukul Academy Ltd | Education | 2021 |
| GUY Jones Limited | Professional & scientific | 2013 |
| Guyan & Associates Ltd | Administrative & support | 2007 |
| Gvla Ltd | Transport & logistics | 2025 |
| GVR Building Services Limited | Professional & scientific | 2024 |
| GVR Solutions Limited | Professional & scientific | 2018 |
| GVS Properties Fambridge Ltd | Real estate | 2025 |
| GY UK Property Ltd | Real estate | 2025 |
| GYB Agency Ltd | Professional & scientific | 2026 |
| Gyftd Ltd | Information & communication | 2025 |
| GYL Consulting Ltd | Information & communication | 2010 |
| Gym - FIX Team Services Limited | Arts & recreation | 1993 |
| Gym Assist Limited | Manufacturing | 2024 |
| Gym Floor Store Ltd | Wholesale & retail | 2021 |
| Gym ROX Ltd | Arts & recreation | 2014 |
| Gymnastics Experience Limited | Arts & recreation | 2016 |
| Gymnastics in Chelmsford Limited | Education | 2018 |
| Gynaecology Health Provision Ltd | Health & social care | 2025 |
| GZ Security Ltd | Wholesale & retail | 2026 |