| G&C Marketing Ltd | Professional & scientific | 2025 |
| Gainsborough House Management Company Limited | Real estate | 1988 |
| Galala New Ltd | Other services | 2022 |
| Gardner Consulting Services Limited | Professional & scientific | 2003 |
| Garrick Property Management Limited | Households | 2015 |
| Garry Keetch Metal Spinning Ltd | Manufacturing | 2011 |
| GAS Contractors Limited | Construction | 2022 |
| Gastrobox Salcombe Limited | Hospitality | 2021 |
| Gastrobus Limited | Hospitality | 2012 |
| Gates Bidco Limited | Financial services | 2022 |
| Gatewen Village Management Company Limited | Households | 2011 |
| GBJ Management Limited | Administrative & support | 2017 |
| GDW Quarry Road Management Company Limited | Administrative & support | 2019 |
| Gendle Court Management Company Limited | Households | 2005 |
| Genoa Quay NO.1 Residents Company Limited | Households | 1989 |
| George Nuttall Close Management Company Limited | Households | 2007 |
| Gerway Management Limited | Real estate | 2016 |
| Gigi Designs Limited | Manufacturing | 2011 |
| Gipzco Limited | Information & communication | 2019 |
| Glebe Meadows (BH) Management Limited | Households | 2020 |
| Glen Court Management Company Limited | Households | 2004 |
| Glen Lodges Ltd | Hospitality | 2021 |
| Glenallon (Torquay) Limited | Households | 1990 |
| Glenferness Management Limited | Households | 2014 |
| Glenford Management Company Limited | Households | 2018 |
| Global Office Furniture Solutions Ltd. | Wholesale & retail | 2006 |
| Globe View Research Ltd | Administrative & support | 2018 |
| GLS Estates Limited | Construction | 2017 |
| Glued to Music Limited | Wholesale & retail | 2014 |
| Glyde Group Ltd | Information & communication | 2016 |
| GM Associates (GM) Ltd | Professional & scientific | 2005 |
| Godolphin Court (1996) Property Management Company Limited | Households | 1996 |
| GOF Property Limited | Construction | 2019 |
| Goldenbank (Falmouth) Management Company Limited | Households | 2006 |
| Goldens Vehicle Repair Centre Limited | Wholesale & retail | 2009 |
| Good Software Solutions Limited | Information & communication | 2024 |
| Goodchild Square Residents Management Company Limited | Households | 2025 |
| Goodleigh Rise Management Company Limited | Households | 2015 |
| Goodwin Place at Great Barford Management Company Limited | Professional & scientific | 2017 |
| Gordelier Education Limited | Education | 2018 |
| Gordleton Industrial Park (Management NO.2) Limited | Households | 1986 |
| Gordleton Industrial Park (Management) Limited | Households | 1982 |
| Gordleton Industrial Park Management 3 Ltd | Real estate | 2018 |
| Gordleton Industrial Park Pumping Station Limited | Real estate | 1993 |
| Grace Food Suppliers Limited | Wholesale & retail | 2025 |
| Graham Roberts Plastics Limited | Wholesale & retail | 1969 |
| Granite Financial Services (UK) Limited | Professional & scientific | 2011 |
| Grayford Limited | Professional & scientific | 2004 |
| Great Kneighton Management Company Limited | Administrative & support | 2016 |
| Green Infrastructure Areas (Cullompton) Management Company Limited | Households | 2023 |
| Greenacre Advisory Partners Limited | Financial services | 2026 |
| Greenacres (Duxford) Management Company Limited | Households | 2017 |
| Greenacres Exeter Management Company Limited | Households | 2014 |
| Greenfield Court (Newport) Limited | Households | 2014 |
| Greenfields (Clitheroe) Management Company Limited | Households | 2019 |
| Greenhill Development Management Company Limited | Households | 2017 |
| Greenhurst Crescent Management Company Limited | Households | 2015 |
| Greenlock Electrical Contractors Ltd | Construction | 2024 |
| Greenwell Park (Garforth) Managing Company Limited | Households | 2024 |
| Greenwood Meadows (Harwell) Management Company Limited | Households | 2014 |
| Greenwoods (Management Company) Limited | Households | 1996 |
| Gregorys Bank (Worcester) Management Company Limited | Households | 2013 |
| Gregson GP Services Limited | Health & social care | 2017 |
| Gresham Place Garvary Road Management Company Limited | Households | 2002 |
| Grey Gables (New Milton) Ltd | Health & social care | 2006 |
| Grove Gardens Management Company Limited | Households | 2004 |
| Grove Hotel Bournemouth Limited | Hospitality | 2021 |
| Grow With Psychology Ltd | Education | 2024 |
| Guild of Gundogs Ltd | Education | 2026 |
| Guildford Mews (Tongham) Residents Association Limited | Households | 1994 |
| GWP Management Limited | Households | 2019 |
| Gwynne Road Residents Management Company Limited | Households | 2010 |
| H2PRO Plumbing Limited | Other services | 2017 |
| Haccombe House Management Limited | Households | 2015 |
| Hainbury Meadows (Ilchester) Management Company Limited | Households | 2021 |
| Hair & Co Academy Limited | Education | 2023 |
| Hair Design by AMY Limited | Other services | 2019 |
| Hairology-G Limited | Other services | 2019 |
| Hakon Ltd | Construction | 2013 |
| Hallways Property Limited | Construction | 2010 |
| Halyards (Teignmouth) Management Company Limited | Households | 2007 |
| Hamlet Property Holdings Limited | Real estate | 2014 |
| Hampshire House Freehold Limited | Households | 2018 |
| Hampton Court Management Company Limited | Households | 1987 |
| Hampton H20 Management Company Limited | Households | 2007 |
| Hampton Lakes (Peterborough) Management Company Limited | Households | 2019 |
| Hampton Lucy Management Company Limited | Households | 2015 |
| Hampton ROW (Barnes) Management Limited | Real estate | 2016 |
| Hampton ROW Apartments Ltd | Households | 2019 |
| Hampton Water (Peterborough) Management Ltd | Households | 2019 |
| Hamstead Mill Management (1991) Co. Limited | Real estate | 1991 |
| Hanbury Park (Uxbridge) Management Company Limited | Households | 2010 |
| Hanbury Place Management Company Limited | Households | 2018 |
| Hanover Land & Developments Limited | Construction | 2022 |
| Happy WOK Catering Limited | Hospitality | 2021 |
| Harbin Fields (Yeovil) Management Company Limited | Households | 2013 |
| Harbour Reach (Fowey) Management Company Limited | Households | 2021 |
| Harbury Lane (Warwick) Management Company Limited | Households | 2018 |
| Hardwicke Court (Gloucester) Management Company Limited | Households | 2016 |
| Harford Mews Ivybridge Management Company Limited | Households | 2017 |