| Business Loans Scotland | Financial services | 2015 |
| Bute Consulting Limited | Information & communication | 2017 |
| Bute Services Outsourcing Ltd | Administrative & support | 2025 |
| Butter'N Limited | Hospitality | 2025 |
| Buzzword Tech Ltd | Administrative & support | 2017 |
| Buzzworks Holdings Group Limited | Administrative & support | 2017 |
| Buzzworks Holdings Limited | Administrative & support | 2009 |
| Buzzworks Hospitality Limited | Hospitality | 1990 |
| Buzzworks Inns Limited | Hospitality | 1999 |
| Bytebites Enterprise Ltd | Education | 2024 |
| C & G Contracts (Ayrshire) Ltd | Construction | 2008 |
| C & L Properties Scotland Ltd | Real estate | 2025 |
| C B Custom Truck Interiors Limited | Manufacturing | 2026 |
| C B Vehicle Services Limited | Other services | 2016 |
| C Bain Design Ltd | Professional & scientific | 2022 |
| C J Harrow Limited | Administrative & support | 2019 |
| C Y Turf Ltd | Administrative & support | 2018 |
| C&N Equestrian 2 LLP | | 2024 |
| C&N Equestrian LLP | | 2017 |
| C-Tek Electrical Limited | Construction | 2025 |
| C10 Properties Limited | Construction | 2018 |
| C2 Environmental Ltd | Professional & scientific | 2026 |
| CA7 Trading Ltd | Wholesale & retail | 2024 |
| Cabin Developments Limited | Construction | 2003 |
| Cadder Properties Limited | Real estate | 1998 |
| Cadence Global Holdings Limited | Administrative & support | 2025 |
| Cafe Courtyard Kilmarnock Ltd | Hospitality | 2025 |
| Caffeinecare Ltd | Manufacturing | 2025 |
| Cairnduff LLP | | 2008 |
| Caldeck Ltd | Construction | 2022 |
| Calder Moore Funeral Directors Ltd | Other services | 2022 |
| Calder Moore Funeralcare Limited | Other services | 2026 |
| Caledonia Groundworks & Landscapes Ltd | Administrative & support | 2023 |
| Caledonia Property Solutions Ltd | Real estate | 2023 |
| Caledonian Office Products Limited | Wholesale & retail | 2010 |
| Calentra Holdings Limited | Financial services | 2026 |
| Calentra Property Investments Ltd | Real estate | 2026 |
| Callachans Health & Therapy Limited | Professional & scientific | 2014 |
| Callander Park Limited | Transport & logistics | 2014 |
| Callum James Mcquade Ltd | Health & social care | 2025 |
| Calmarren Property Enterprise Ltd | Households | 2022 |
| Caltek Investments Ltd | Construction | 2023 |
| Caltek Ltd | Wholesale & retail | 2019 |
| Calvin Marshall Heating and Plumbing Services Ltd | Construction | 2021 |
| Calzo Limited | Real estate | 2015 |
| Cameron Technical Services Ltd | Construction | 2019 |
| Cameron Window Cleaning Services Limited | Administrative & support | 2025 |
| Cameron-Rainey Limited | Wholesale & retail | 2015 |
| Camken Aviation Ltd | Manufacturing | 2025 |
| Cammycamera Ltd | Information & communication | 2018 |
| Campbell Chace Limited | Hospitality | 2002 |
| Campbell Design Ltd | Professional & scientific | 2008 |
| Campbell Energy Limited | Professional & scientific | 2014 |
| Campbell Fuel Oils Limited | Wholesale & retail | 2019 |
| Campbell Mortgage Solutions Ltd | Financial services | 2024 |
| Campbell Real Estate Limited | Real estate | 2019 |
| Campbell Ruby Ltd | Financial services | 2012 |
| Camsh Properties Ltd | Real estate | 2026 |
| Camy's Auto Repairs Ltd | Wholesale & retail | 2024 |
| Candy Locks Ltd | Other services | 2024 |
| Canine Castle Ltd | Other services | 2012 |
| Cape Collections Ltd | Wholesale & retail | 2026 |
| Caprington Community Golf Club | Arts & recreation | 2015 |
| Caprington Lodge Holdings Ltd | Real estate | 2021 |
| Car Care Centre (Ayrshire) Limited | Extraterritorial | 2014 |
| Car-Bella Scotland Limited | Construction | 2024 |
| Cara Estate Planning Limited | Financial services | 2021 |
| Cara Mortgage Services Ltd | Financial services | 2006 |
| Career Focus Ltd | Professional & scientific | 2022 |
| Carlin-Solutions Ltd | Professional & scientific | 2012 |
| Carly Kirkwood Optical Ltd | Wholesale & retail | 2021 |
| Carmichael Offshore Mechanical Services Limited | Other services | 2024 |
| Carnelian Counselling Ltd | Professional & scientific | 2023 |
| Carney Contracts Limited | Construction | 2005 |
| Carnoustie Healthcare Ltd | Health & social care | 2024 |
| CARSELECT1.COM Ltd. | Wholesale & retail | 2007 |
| Castle Tower Property Limited | Real estate | 2023 |
| Castleton Property Group Ltd | Real estate | 2020 |
| Catering Superstore Ltd | Wholesale & retail | 2025 |
| Catherine Mcniven Commercial & Business Finance Ltd | Financial services | 2026 |
| Cauldhame Farm Livery Ltd | Agriculture & fishing | 2019 |
| Cawt Enterprises Ltd | Hospitality | 2024 |
| CBM 2015 Limited | Administrative & support | 2015 |
| CBY Plumbing and Heating Limited | Construction | 2023 |
| Cc&J Holdings Ltd | Manufacturing | 2026 |
| CCS (Complete Caravan Solutions) Limited | Construction | 2025 |
| CD Mill Properties Limited | Households | 2025 |
| CDB Electrical Services Limited | Construction | 2015 |
| CDL MA Ltd | Health & social care | 2024 |
| Cdscommodities Ltd | Extraterritorial | 2024 |
| Censored Chng CHN Ltd | Wholesale & retail | 2023 |
| Central Building Supplies Ltd | Wholesale & retail | 2026 |
| Central Cosmetic Repairs Ltd | Construction | 2013 |
| Central Home Services Limited | Construction | 2016 |
| Central Park CS Holdings Ltd | Wholesale & retail | 2017 |
| Central Plastering & Rendering Ltd | Construction | 2026 |
| Central Plumbing Supplies Ltd | Wholesale & retail | 2018 |
| Centrestage Communities Ltd | Arts & recreation | 2010 |
| Certified Recycled Aggregates Network (UK) Ltd. | Water & waste | 2025 |
| CF Technical Services Limited | Professional & scientific | 2015 |