| M Toyne Groundworks Ltd | Construction | 2021 |
| Macrocom Limited | Manufacturing | 2011 |
| Madereality Ltd | Professional & scientific | 2025 |
| Maltkins Properties Ltd | Real estate | 2025 |
| Maritime & Heritage Centre of Excellence CIC | Manufacturing | 2019 |
| MD Catering Services Ltd | Hospitality | 2020 |
| Meadgate Limited | Wholesale & retail | 2019 |
| Medical Servicing Engineers Limited | Professional & scientific | 2012 |
| Meldan Engineering & Energy Ltd | Administrative & support | 2006 |
| MF Power Consulting Ltd | Energy | 2025 |
| MID Lincs Fuels Ltd | Wholesale & retail | 2018 |
| MMH Consulting Limited | Education | 2022 |
| Moores Bedrooms Limited | Extraterritorial | 2026 |
| Moores Contract Kitchens Limited | Extraterritorial | 2026 |
| Moores Furniture Group Limited | Extraterritorial | 2026 |
| Moores Kitchens & Bedrooms Limited | Extraterritorial | 2026 |
| Moores Kitchens Limited | Extraterritorial | 2026 |
| Moores Trade Kitchens Limited | Extraterritorial | 2026 |
| Mulin Limited | Health & social care | 2025 |
| N J Durman (Holdings) Limited | Financial services | 2014 |
| Neha Ashwika Ltd | Real estate | 2025 |
| Nicola Robinson Enterprises Ltd | Professional & scientific | 2019 |
| Nicolas Lord Limited | Construction | 2003 |
| Njrobinson Consulting Ltd | Professional & scientific | 2020 |
| Northern Works Ltd | Manufacturing | 2025 |
| NRG Inspection Services Ltd | Professional & scientific | 2017 |
| Obra Energy Ltd | Professional & scientific | 2025 |
| Obsess Records Limited | Information & communication | 2022 |
| Olio Accountancy Limited | Professional & scientific | 2015 |
| Oliphant Construction Ltd | Construction | 2020 |
| Optimal Staff Solutions Ltd | Other services | 2016 |
| Orchard LEA Limited | Construction | 2018 |
| OUT the Blue Limited | Administrative & support | 2014 |
| Over the Moon Escapes Limited | Administrative & support | 2022 |
| P&M Trading Ltd | Hospitality | 2026 |
| Parcel PAL Ltd | Transport & logistics | 2021 |
| Parlour Hospitality Ltd | Hospitality | 2026 |
| Pasture Wood Fisheries Ltd | Agriculture & fishing | 2013 |
| Patty's Pastries Cafe Ltd | Hospitality | 2024 |
| Paul Emeny (Grimsby) Limited | Wholesale & retail | 2009 |
| Pedder Marine Consultants Ltd | Education | 2026 |
| Penny Harrison Limited | Administrative & support | 2021 |
| Phoenix Rebellion Limited | Professional & scientific | 2025 |
| Physical Sports Limited | Wholesale & retail | 2013 |
| Pilot Station Limited | Information & communication | 2023 |
| Piranha 4X4 Ltd | Wholesale & retail | 2010 |
| Pizza Bar 4 Limited | Hospitality | 2024 |
| Plus Nelson Properties Limited | Real estate | 2014 |
| Pose Photography Ltd | Professional & scientific | 2024 |
| Positive Impact Marketing Ltd | Information & communication | 2023 |
| Practical Vehicle Hire Bridlington Ltd | Administrative & support | 2025 |
| Pride & Joy Properties Limited | Real estate | 2022 |
| Prinknow Trading Limited | Wholesale & retail | 2014 |
| Pro-Fit G Limited | Construction | 2025 |
| Property Knights Ltd | Real estate | 2017 |
| PSM Civils Limited | Construction | 2019 |
| Queen Street School Preservation Trust | Arts & recreation | 1993 |
| Radley & Appleby Coach Holidays Ltd | Administrative & support | 2012 |
| Rainbow Kindergarten Limited | Education | 2000 |
| Rebecca Beaton Accountancy Services Ltd | Professional & scientific | 2018 |
| Rebecca’S Licensed Tearooms Ltd | Hospitality | 2024 |
| Recreate Therapy C.I.C. | Health & social care | 2026 |
| Red Leaf Media Ltd | Information & communication | 2001 |
| Regal Fish Supplies Limited | Wholesale & retail | 1993 |
| Restaurant DOM Ltd | Real estate | 2022 |
| Retail Metal Ltd | Wholesale & retail | 2018 |
| RG Accountancy (Yorkshire) Ltd | Professional & scientific | 2024 |
| RG Apartments Management Company Limited | Real estate | 2023 |
| RG Road and Services Management Company Limited | Real estate | 2023 |
| Riverside Althorpe Management Company Limited | Real estate | 2025 |
| Riverside Property Services Barton Limited | Construction | 2024 |
| RKS Conversions Ltd | Manufacturing | 2026 |
| Robeck Engineering Limited | Professional & scientific | 2023 |
| Robert Houghton 56 Limited | Professional & scientific | 2019 |
| Ryder Capital Ltd | Real estate | 2023 |
| Ryder Living Ltd | Real estate | 2026 |
| S J D Systems Limited | Professional & scientific | 2005 |
| S. Francis Builders Limited | Construction | 2002 |
| Sasan Consult Limited | Professional & scientific | 2019 |
| Scarr Consulting Limited | Professional & scientific | 2025 |
| Scott Kerss Ltd | Financial services | 2025 |
| Sea Products (Distribution) Ltd | Wholesale & retail | 2019 |
| Shark Properties Limited | Real estate | 2026 |
| Shaun Garrett Holdings Ltd | Manufacturing | 2020 |
| Siimply Ltd | Construction | 2025 |
| Silborne Consulting Ltd | Professional & scientific | 2020 |
| Simple Cremations Ltd | Other services | 2016 |
| Slow Circular Earth UK Ltd | Professional & scientific | 2021 |
| SNF Management Limited | Professional & scientific | 2007 |
| Sniph UK Ltd | Wholesale & retail | 2018 |
| Spencer Knight Ltd | Real estate | 2012 |
| Stollard Property Ltd | Real estate | 2018 |
| Support 4 U Healthcare Ltd | Health & social care | 2019 |
| Sutton Investments Limited | Hospitality | 2019 |
| SW Solicitor Ltd | Professional & scientific | 2006 |
| Swift Hvac Ltd | Construction | 2019 |
| Synerg Recruitment Ltd | Professional & scientific | 2024 |
| Taylorgiles Properties Ltd | Construction | 2025 |
| Tech County Limited | Wholesale & retail | 2022 |
| Tetramarl Marine Ltd | Agriculture & fishing | 2025 |