| Cunningham Auto Care Ltd | Wholesale & retail | 2023 |
| CXZ Fenwick Limited | Hospitality | 2025 |
| CXZ Properties Limited | Real estate | 2020 |
| D Hill Property Group Limited | Real estate | 2023 |
| D M Forestry Sevices Limited | Agriculture & fishing | 2015 |
| D R Wallace Limited | Manufacturing | 2014 |
| D&M Catering (Scotland) Limited | Hospitality | 2022 |
| Dalry Farmers' Society | Other services | 2013 |
| Dalry Pallet Recycling Ltd | Other services | 2025 |
| Dalry Process Solutions Ltd | Professional & scientific | 2023 |
| Dalry Trading Company Limited | Wholesale & retail | 2009 |
| Darcie Developments Ltd | Administrative & support | 2017 |
| Deleca Limited | Administrative & support | 2018 |
| Denali Inspection Ltd | Administrative & support | 2010 |
| Devcolaxe Limited | Administrative & support | 2020 |
| Directroofing Brothers Limited | Construction | 2025 |
| DJY Farms Ltd | Agriculture & fishing | 2026 |
| DL Locums Ltd | Administrative & support | 2023 |
| DLS Enterprises Ltd | Real estate | 2022 |
| Dmcampers Ltd | Manufacturing | 2025 |
| Dmcg Inspection Ltd. | Mining & quarrying | 2012 |
| Doggie Day Care Dalry Ltd | Other services | 2026 |
| Doolan Enterprises Ltd | Administrative & support | 2018 |
| Drakemyre Holdings Limited | Financial services | 2024 |
| Drakemyre Properties Limited | Real estate | 2016 |
| Drummond Agriculture Ltd | Wholesale & retail | 2022 |
| DSC Process Services Limited | Construction | 2017 |
| Dunlop Plumbing & Heating Ltd | Construction | 2026 |
| Dusk Water Ltd. | Professional & scientific | 2017 |
| DWN Property Investments Limited | Real estate | 2025 |
| Eagle Leisure Property Limited | Real estate | 2022 |
| Electric Doorbell Tattoo Ltd | Arts & recreation | 2026 |
| Electrical Network Connection Services Ltd | Construction | 2023 |
| Elevate 360 Solutions Ltd | Professional & scientific | 2025 |
| Elevate Crisis Management Consultancy Ltd | Professional & scientific | 2022 |
| Elite Fitness Studio Ayrshire Limited | Arts & recreation | 2020 |
| Elruha Healthcare Limited | Health & social care | 2025 |
| Engineering Projects Consultancy Limited | Professional & scientific | 2024 |
| Enlighten My Day Weddings and Events Ltd | Administrative & support | 2026 |
| Eurocoatings (West Kilbride) Limited | Construction | 2009 |
| Exquisite Engineering Ltd | Wholesale & retail | 2022 |
| Financenet Limited | Administrative & support | 1999 |
| Flix (Girvan) Ltd | Hospitality | 2014 |
| Forkers Scotland Ltd | Construction | 2010 |
| Fourest Group Ltd | Wholesale & retail | 2019 |
| Fran's Coffee House Limited | Hospitality | 2022 |
| Frans's Limited | Hospitality | 2025 |
| Friels Good Getaways Ltd | Hospitality | 2026 |
| Friels Good Properties Ltd | Real estate | 2023 |
| FTW Enterprises Limited | Construction | 2024 |
| Fullarton Technical Services Ltd | Professional & scientific | 2012 |
| Fypholdings Limited | Other services | 2020 |
| G Dora Roofing Limited | Construction | 2012 |
| Garnock Business Park Limited | Construction | 2018 |
| Garnock Commercial Ltd | Hospitality | 2024 |
| Garnock GAS Services Ltd | Professional & scientific | 2021 |
| Garnock Property Services Ltd | Real estate | 2023 |
| GAS Game Services Ltd | Professional & scientific | 2020 |
| Gauge Paraplanning Ltd | Administrative & support | 2026 |
| GB Construction & Property Management Ltd | Construction | 2025 |
| GDS Diagnostic Ltd | Wholesale & retail | 2021 |
| Gentledude Ltd | Information & communication | 2023 |
| GET Connected (Largs) Limited | Construction | 2011 |
| Gilbert Traffic Solutions Ltd | Professional & scientific | 2023 |
| Gilbert Wilson Transport Limited | Transport & logistics | 2019 |
| Glasgow Aquapark Limited | Arts & recreation | 2025 |
| Glasgow City Boats Ltd | Transport & logistics | 2019 |
| Glra Services Ltd | Professional & scientific | 2023 |
| GMC Aggregates Ltd. | Wholesale & retail | 2019 |
| Graham Gillan Limited | Wholesale & retail | 2014 |
| Gramak Technologies Limited | Wholesale & retail | 2025 |
| Green Planet Consultancy Ltd | Administrative & support | 2024 |
| Greenwich Pacific Capital Ltd | Real estate | 2014 |
| Grmacdonaldpaservice Limited | Administrative & support | 2023 |
| GSW Events Ltd | Administrative & support | 2017 |
| Guo's Top Food Ltd | Hospitality | 2025 |
| H&A Thistle Building Services Ltd | Construction | 2022 |
| H&R Property Rentals Ltd | Real estate | 2022 |
| Harper Process Services Ltd | Construction | 2015 |
| Harper Steel Property Management Limited | Manufacturing | 2019 |
| Harrier Systems Limited | Information & communication | 2026 |
| Hawthorn Power Services Limited | Construction | 2025 |
| HHE Energy Limited | Construction | 2022 |
| Hifu Rejuvenation Ltd | Other services | 2019 |
| Highland Forestry Services Limited | Agriculture & fishing | 2003 |
| Hillend Enterprises Limited | Real estate | 2012 |
| HML Access Limited | Administrative & support | 2025 |
| Holly Pearson (Gateside) Ltd | Hospitality | 2007 |
| Holmbyre Cattery Ltd | Agriculture & fishing | 2025 |
| Holmbyre Luxury Glamping Pods Ltd | Hospitality | 2024 |
| Holmbyre Renewables Ltd | Agriculture & fishing | 2024 |
| Hometek Services Ltd | Administrative & support | 2019 |
| Homeworks Ayrshire Ltd | Administrative & support | 2019 |
| Hood Fabrication Ltd | Construction | 2014 |
| HP Marketing Limited | Wholesale & retail | 2011 |
| Hugh RIG IT Ltd | Administrative & support | 2021 |
| Hugh Wilson Rigging Limited | Manufacturing | 2013 |
| HWS Services Limited | Administrative & support | 2025 |
| Hyperhealth Ltd | Health & social care | 2020 |
| IAN Wright Heating Services Ltd | Construction | 2026 |