| Gillespie Macandrew WS Limited | Professional & scientific | 2005 |
| Gillespie, Macandrew (Nominees) Limited | Other services | 1986 |
| Gilmerton Groceries Ltd | Wholesale & retail | 2021 |
| Gladstones Limited | Real estate | 2001 |
| Glanpine Limited | Professional & scientific | 1985 |
| Glenallan Traders Ltd | Wholesale & retail | 2025 |
| Glencar Associates Limited | Professional & scientific | 1999 |
| Glendentan Estates Limited | | 1999 |
| Glenpark Homes Limited | Construction | 2003 |
| Glenrea Limited | Professional & scientific | 1983 |
| Gold and Gray Soccer Academy Ltd | Arts & recreation | 2019 |
| Golfarm Limited | Administrative & support | 2002 |
| Goodson Associates (Holdings) Limited | Professional & scientific | 2003 |
| Gourdie Farm Associates Ltd. | Administrative & support | 2000 |
| Grade a Developments Limited | Construction | 2004 |
| Grainfax Limited | Professional & scientific | 1978 |
| Guided & Glowing Ltd | Education | 2025 |
| H M Raitt & Sons Limited | Construction | 2000 |
| H.B.G. International Limited | Professional & scientific | 1994 |
| Harp Enterprises Ltd | Professional & scientific | 2014 |
| Harris Tweed Direct Limited | Professional & scientific | 2000 |
| Harris Tweed Direct.Co.Uk Limited | Professional & scientific | 2000 |
| Harris Tweed Direct.Com Limited | Professional & scientific | 2000 |
| Hartfield Homes Limited | Construction | 1993 |
| Hartfield Smith Limited | Real estate | 1986 |
| Hayfield (Edinburgh) Management Limited | Real estate | 1984 |
| Help! Marketing (UK) Limited | Wholesale & retail | 2008 |
| Heriot Electronics Limited | Information & communication | 1973 |
| Hermes UOB SLP General Partner Limited | Financial services | 2000 |
| Hgcapital General Partner (Scotland) Limited | Administrative & support | 2003 |
| Hill Street Nominees Limited | Professional & scientific | 1996 |
| Hofn Real Assets Limited | Administrative & support | 2026 |
| Honeywasi Ltd | Wholesale & retail | 2021 |
| Hopetoun Farms Limited | Agriculture & fishing | 1978 |
| Hugh C. Gibson's Heirs Limited | Wholesale & retail | 1958 |
| Hutchison Vale Community Sports Club | Administrative & support | 2000 |
| Hyder Housing Limited | Real estate | 1999 |
| Icecube Consulting Limited | Information & communication | 1997 |
| Ideal Computing.Co.Uk Limited | Other services | 2000 |
| Ideal Office Software Limited | Extraterritorial | 2000 |
| Impact Sync Limited | Financial services | 2024 |
| In-Detail Joinery Limited | Construction | 2005 |
| Information Systems Integration Limited | Information & communication | 1997 |
| Ingliston Seeds Trials | | 1983 |
| Integra Mergers Limited | Extraterritorial | 2004 |
| Interlock Communications Limited | Information & communication | 1999 |
| Iona Enterprise Architecture Ltd | Information & communication | 2014 |
| ISA Architecture and Design Ltd | Professional & scientific | 2000 |
| J B Mackenzie Limited | Wholesale & retail | 1986 |
| J C and a Steuart (Trustees) Limited | Professional & scientific | 1976 |
| J C Lindsay & Company Limited | Construction | 2005 |
| J. Runciman & Sons Lugate | | 1989 |
| Jabil Circuit Limited | Administrative & support | 1992 |
| James Thinn French Polishers Ltd | Professional & scientific | 2004 |
| Jardine Phillips LLP | | 2006 |
| JGR Farming (Holdings) Limited | Agriculture & fishing | 1998 |
| John a. Jack Plant Hire (Nairn) Limited | Wholesale & retail | 1992 |
| John Mcmenamin Ltd. | Construction | 2003 |
| Jormer Limited | Information & communication | 2006 |
| Joseph Hyams & SON (Dominion FUR Co.) Limited | Wholesale & retail | 1961 |
| Jupiter Play & Leisure Ltd. | Wholesale & retail | 1999 |
| Kato Drys ESG LP | | 2022 |
| Kelvinfield Limited | Other services | 2001 |
| Keyhaven Capital Partners (GP) Limited | Financial services | 2003 |
| KG Plumbing and Heating (Scotland) Limited | Construction | 2023 |
| Kirknewton Flying Group Limited | Arts & recreation | 2007 |
| KLG Properties Limited | Real estate | 2000 |
| Knapdale (Nominees) Limited | Professional & scientific | 1959 |
| Kāhu Siliconbio Limited | Professional & scientific | 2025 |
| LA Chaumiere Catering and Leisure Limited | Hospitality | 1988 |
| Leith Stevedores Limited | Extraterritorial | 1957 |
| Leith Walk Property Limited | Real estate | 2002 |
| Leithbank Properties Limited | Real estate | 2003 |
| Levenhall Limited | Real estate | 1988 |
| Libertus Services | Health & social care | 2000 |
| Lift @ Muirhouse Millennium Centre Ltd | Education | 1999 |
| Linden Davidson Inc Limited | Real estate | 2004 |
| Linknet Mentoring Limited | Administrative & support | 2000 |
| Links View Guesthouse Limited | Hospitality | 2007 |
| Loanhead Building Company Limited | | 1999 |
| Lochgelly Chinese Take Away Limited | Hospitality | 2007 |
| Lochrin Motors Limited | Wholesale & retail | 2001 |
| Lothian Brakeways Limited | Wholesale & retail | 1993 |
| Lothian Buses Limited | Transport & logistics | 1986 |
| Lothian Glass Limited | Manufacturing | 2002 |
| Lothian Mortgage Solutions Limited | Financial services | 2006 |
| Lothian Trams Limited | Transport & logistics | 2003 |
| Lothian Transport Limited | Transport & logistics | 2004 |
| Lothians Properties Ltd | Real estate | 2023 |
| Lyon & Turnbull Limited | Wholesale & retail | 1998 |
| Lyre Productions Limited | Information & communication | 2007 |
| M & W Mortgages Limited | Financial services | 2005 |
| Machuma Ltd | Wholesale & retail | 2026 |
| Macka Taxis Ltd. | Transport & logistics | 2003 |
| Mactours Limited | Transport & logistics | 2001 |
| Majestic (Belford) Limited | Construction | 2001 |
| Man's Best Friend Limited | Wholesale & retail | 1999 |
| Manclark Safety Management LLP | | 2007 |
| Mansecove Limited | Professional & scientific | 2000 |
| Marc Contracts Limited | Water & waste | 2007 |