| James Runciman & Sons (Lugate) | | 2001 |
| JCK Base Ltd | Hospitality | 2018 |
| Jdforestry Contacting Limited | Administrative & support | 2024 |
| JED Forest Fallen Stock Co Ltd | Agriculture & fishing | 2019 |
| John Waverley of Hawick Limited | Manufacturing | 1976 |
| JR Fabrication, Specialised Welding, Fabrication and Pipefitting Ltd | Construction | 2025 |
| JRW Hogg & Thorburn LLP | | 2023 |
| K and D Plumbing Services Limited | Construction | 2020 |
| Karen Mccreadie Limited | Arts & recreation | 2014 |
| KC Rowan Tree Limited | Households | 2021 |
| Keith Rennie Limited | Construction | 2013 |
| Kerlex Global Ltd | Manufacturing | 2025 |
| Kestrel Machine Tool Services Ltd | Professional & scientific | 2019 |
| Kevin Watson Engineering Ltd | Manufacturing | 2010 |
| Khoury Group Ltd | Hospitality | 2020 |
| Khoury Properties Ltd | Real estate | 2020 |
| Kintsugi Studios Ltd | Information & communication | 2025 |
| LA Locanda Romana Ltd | Hospitality | 2021 |
| LA Triquetra Ltd | Wholesale & retail | 2024 |
| Labour Relief Limited | Administrative & support | 2002 |
| Laceley Permanent Cosmetics Ltd | Other services | 2020 |
| Land O Tastes Limited | Manufacturing | 2018 |
| Land O' Taste (Hawick) Ltd | Hospitality | 2023 |
| Lesley Landels Ltd | Manufacturing | 2017 |
| LET Brickwork Ltd | Construction | 2024 |
| Liddesdale Limited | Professional & scientific | 2010 |
| LIF LSC Limited | Hospitality | 2023 |
| Lightfoot Assets Holdings Limited | Real estate | 2025 |
| Logan Farming Company Limited | Agriculture & fishing | 2006 |
| Lolly Lets Ltd | Hospitality | 2024 |
| Lonewolf Talent Management Ltd | Professional & scientific | 2022 |
| Louise Whittle Ltd | Wholesale & retail | 2020 |
| Lovat Securities (VK) Limited | Real estate | 2000 |
| Lowrie & Patterson Ltd | Real estate | 2024 |
| Lowrie Property Ltd | Real estate | 2020 |
| Lowrie Roofing Limited | Construction | 2015 |
| M & M Maisons Limited | Hospitality | 2023 |
| M G Robson Forestry Contracting Limited | Agriculture & fishing | 2016 |
| M&Js Joinery Ltd | Construction | 2022 |
| Macari Commercial Management Limited | Professional & scientific | 2015 |
| Macari Hill Civil Engineering Limited | Construction | 2021 |
| Mackside Farm Partnership | | 1990 |
| Macleod Glass Limited | Manufacturing | 2003 |
| Mainflow Plumbing & Heating Limited | Construction | 2022 |
| March Partners Limited | Professional & scientific | 2007 |
| Marchwinds Limited | Manufacturing | 2005 |
| Marilla Developments Ltd | Construction | 2022 |
| Markup Systems Limited | Information & communication | 2005 |
| Marlin Industries Scotland Limited | Manufacturing | 2011 |
| Mason James Developments Ltd | Real estate | 2017 |
| Mccanogg Ltd | Hospitality | 2021 |
| MEG Mchugh Entertainment Limited | Information & communication | 2020 |
| MEI Property Management Ltd | Real estate | 2025 |
| Melrose Court Properties Ltd | Construction | 2007 |
| Mercer Renewables Ltd | Energy | 2014 |
| MFS Design Paint and Bodysmith Ltd | Wholesale & retail | 2026 |
| Michael L Penman Limited | Information & communication | 2011 |
| Michelle Lowrie Personal Brand Ltd | Professional & scientific | 2025 |
| Midburn Construction Limited | Manufacturing | 2007 |
| Midshiels Farming Company | | 1996 |
| Mindful Money Ltd | Professional & scientific | 2020 |
| Minerva IAM Ltd | Professional & scientific | 2015 |
| Mitchell Energy Holdings Ltd | Financial services | 2025 |
| Mitchell Energy Ltd | Energy | 2013 |
| MJC Property Ltd | Real estate | 2023 |
| MKO Advanced Ltd | Agriculture & fishing | 2023 |
| MM & AC Property Ltd | Real estate | 2024 |
| Moira Wilson Recruitment Ltd | Administrative & support | 2024 |
| Moorland Service Station (Cumbria) Limited | Wholesale & retail | 1981 |
| MS Plumbing & Home Improvements Ltd | Construction | 2026 |
| MSS Finances Limited | Real estate | 2006 |
| Multiply Technology Limited | Information & communication | 2025 |
| Murray Prime Properties Ltd | Hospitality | 2025 |
| My Friend the Mushroom Limited | Manufacturing | 2023 |
| MZ Smiles Ltd | Health & social care | 2025 |
| N E Future Ltd | Hospitality | 2025 |
| Natural Image, Hawick Limited | Other services | 2002 |
| Neil Anderson Farriery Limited | Administrative & support | 2022 |
| NEO Alchemy Ltd | Professional & scientific | 2023 |
| Neon Rock (Scotland) Ltd | Hospitality | 2023 |
| New Malone Company Limited | Administrative & support | 1997 |
| New Nam's Palace Ltd | Hospitality | 2024 |
| New Style Barbers (Hawick) Ltd | Other services | 2025 |
| Newcastleton Limited | Administrative & support | 2009 |
| Newhall Estate Farming Ltd | Agriculture & fishing | 2025 |
| Nichol Racing Limited | Arts & recreation | 2025 |
| Nicod Consulting Limited | Hospitality | 2019 |
| Niven Farming Company Ltd | Agriculture & fishing | 2024 |
| NJM Renewables Ltd | Construction | 2025 |
| Nmpharm Ltd | Wholesale & retail | 2022 |
| NO 1 Baguette Limited | Hospitality | 2022 |
| Noble Place Plant & Storage Ltd | Administrative & support | 2025 |
| Noble Respmed Ltd | Health & social care | 2024 |
| Northbridge Hawick Limited | Wholesale & retail | 2024 |
| Northlight Productions Limited | Information & communication | 1990 |
| Nu-Line Architectural Glazing Ltd | Construction | 2026 |
| NUR Spice Ltd | Hospitality | 2015 |
| Nylroc Enterprise Limited | Hospitality | 2018 |
| Odyssey Wellness Ltd | Education | 2024 |
| Oliver Hawick Ltd | Wholesale & retail | 2014 |