| 360 Freight Agency LP | | 2016 |
| 3T Maintenance Ltd | Other services | 2026 |
| 60612GHFL Limited | Administrative & support | 2011 |
| A Touch of Home Furniture Ltd | Wholesale & retail | 2021 |
| ABM Hardware Limited | Wholesale & retail | 2023 |
| Ace-Access Ltd | Construction | 2019 |
| Adams Retail Ltd | Wholesale & retail | 2024 |
| ADR Engagement Services Ltd | Professional & scientific | 2017 |
| Aesthetics by Kayleigh Johnston Limited | Other services | 2023 |
| Aircraft Loadcontrol Ltd | Administrative & support | 2005 |
| Allpeople Employment Limited | Administrative & support | 2016 |
| Amppower Engineering Ltd | Manufacturing | 2022 |
| AMR First Ltd | Real estate | 2021 |
| Amsin House Limited | Wholesale & retail | 2026 |
| Ana's Tearooms Ltd | Hospitality | 2018 |
| Anna Nails & Spa Ltd | Other services | 2024 |
| Ardeerpromrun Ltd | Arts & recreation | 2026 |
| Ardnave Properties Ltd | Real estate | 2024 |
| Arel Food Ltd | Wholesale & retail | 2023 |
| Argee Properties Ltd | Real estate | 2022 |
| Argyle Place Cafe Limited | Hospitality | 2018 |
| ARM - Hsqe Training and Business Management System Consultants Limited | Professional & scientific | 2014 |
| Armaan Business Limited | Hospitality | 2023 |
| Arti Farti Limited | Wholesale & retail | 2016 |
| Ashgrove Home Improvements Limited | Wholesale & retail | 2011 |
| Automotive Carbon Clean Limited | Wholesale & retail | 2016 |
| AWL Core Drilling & Demolition Limited | Construction | 2017 |
| Ayrnet IT Ltd | Information & communication | 2014 |
| Ayrnet Marketing Ltd | Professional & scientific | 2008 |
| Ayrshine Ltd | Wholesale & retail | 2025 |
| Ayrshire Network Solutions Limited | Professional & scientific | 2008 |
| Ayrshire Whisky Ltd | Hospitality | 2025 |
| Ayrshire's WEE Fish Van Limited | Wholesale & retail | 2020 |
| Baron Healthcare (Saltcoats) Limited | Real estate | 2008 |
| Battered Fish Limited | Hospitality | 2023 |
| Baxter Developments Ltd | Real estate | 2020 |
| Bbep Ltd | Financial services | 2024 |
| BCD Property Limited | Real estate | 2022 |
| Belle & Blackley Ltd | Other services | 2014 |
| Bellshill Bars Limited | Hospitality | 2024 |
| Best Fade Ltd | Other services | 2025 |
| Best Price Goods Ltd | Wholesale & retail | 2019 |
| Bizu Limited | Real estate | 2019 |
| Blurred Lines Marketing Designs Ltd | Professional & scientific | 2025 |
| Bonneville Instrumentation Limited | Professional & scientific | 2015 |
| Bosco Troon Limited | Hospitality | 2025 |
| Buckley Renewable Energy Solutions Ltd | Professional & scientific | 2025 |
| Cafe 123 Ltd | Hospitality | 2026 |
| Cairnara Ltd | Health & social care | 2024 |
| Caprice Limited | Information & communication | 2016 |
| Carbon Zone Limited | Professional & scientific | 2007 |
| CB & Sons Catering Ltd | Hospitality | 2025 |
| CCS Foreko Ltd. | Wholesale & retail | 2017 |
| Ceilidh Properties Ltd | Real estate | 2024 |
| CHA Inspections and Maintenance Ltd | Construction | 2021 |
| Charles Bloe Training Limited | Education | 2001 |
| Chillies & Spices Ltd | Wholesale & retail | 2019 |
| Chris HAY Slaters & Roofers Ltd | Construction | 2016 |
| Cleaning Works Ltd | Administrative & support | 2010 |
| Clinic 22 Saltcoats Ltd | Other services | 2018 |
| Cloud Closers Ltd | Wholesale & retail | 2025 |
| Clyde Kilts Ltd | Wholesale & retail | 2017 |
| Clydecoast Landscapes and Driveways Limited | Administrative & support | 2026 |
| CM6 Rail Ltd | Transport & logistics | 2018 |
| CMN Ltd | Real estate | 2022 |
| Coastal Creative Services Ltd | Other services | 2022 |
| Concierge Scotland Ltd | Other services | 2023 |
| Coorie Doon Ayrshire Limited | Real estate | 2019 |
| Corner Eats Ltd | Hospitality | 2019 |
| Crazy Tony's Limited | Wholesale & retail | 2014 |
| CST Homes Ltd | Hospitality | 2024 |
| Cue'D UP Ltd | Arts & recreation | 2026 |
| Curtis Bar Group Limited | Hospitality | 2024 |
| D & R Atkinson Limited | Financial services | 2021 |
| D & S Hogarth Ltd | Agriculture & fishing | 2026 |
| D Kelly Joiners Ltd | Construction | 2011 |
| DAM Fishing Limited | Agriculture & fishing | 2009 |
| Dance Mafia Limited | Arts & recreation | 2017 |
| David John Kitchens Ltd | Construction | 2019 |
| Denburn Limited | Real estate | 1984 |
| Design Folk Ltd. | Administrative & support | 2009 |
| DK Aerospace Limited | Manufacturing | 2017 |
| DL Surveyors Limited | Professional & scientific | 2026 |
| DMG Consultancy Ltd | Professional & scientific | 2025 |
| DMG Property Ltd | Real estate | 2019 |
| Dockhead Newsagent Ltd | Wholesale & retail | 2023 |
| Doyle Enterprises Ltd | Construction | 2024 |
| DP Harvey Ltd | Wholesale & retail | 2023 |
| Drumfork Family Centre Limited | Education | 2018 |
| DTF Jointing Ltd | Construction | 2024 |
| E J Cunningham Ltd | Professional & scientific | 2023 |
| Ecara Ltd | Hospitality | 2013 |
| Eco-Vision Energy UK Limited | Energy | 2022 |
| Ecoglow Ltd | Real estate | 2020 |
| Ecom Clarity Ltd | Information & communication | 2023 |
| ELEV8 Hydration Ltd | Manufacturing | 2025 |
| Elif Barber Ltd | Other services | 2021 |
| Elite Property Contracts Ltd | Administrative & support | 2025 |
| Eponymous Management Limited | Professional & scientific | 2012 |
| ESI (Cavity) Ltd | Construction | 2012 |