| THE Motor Company PPS Limited | Wholesale & retail | 2015 |
| THE Motoring Team Limited | Information & communication | 2012 |
| THE Motorist Centre (Earl Shilton) Ltd | Wholesale & retail | 2021 |
| THE Move Factory Holdings Limited | Professional & scientific | 2005 |
| THE Mucky Duck Winchester Ltd | Hospitality | 2012 |
| THE Muscle Machine Gym Limited | Arts & recreation | 2012 |
| THE Mustard Seed Creative Agency Limited | Information & communication | 2012 |
| THE Naija UK Sonographer Ltd | Information & communication | 2024 |
| THE Nail Boutique Limited | Other services | 2015 |
| THE Naked HOP Brewing Company Limited | Manufacturing | 2017 |
| THE Naseby Battlefield Project | Administrative & support | 2006 |
| THE National Community Law Project CIC | Health & social care | 2021 |
| THE National Community Security Project Community Interest Company | Administrative & support | 2025 |
| THE National Examination Board in Occupational Safety and Health | Education | 1992 |
| THE National GAS Museum Trust | Arts & recreation | 1997 |
| THE National Public Education Project CIC | Education | 2025 |
| THE National Student Drama Festival Ltd | Arts & recreation | 1995 |
| THE National Student Theatre Company Limited | Arts & recreation | 2007 |
| THE National Youth Agency | Education | 1994 |
| THE National Youth Jazz Collective | Education | 2009 |
| THE Naughty Pineapple Ltd | Hospitality | 2024 |
| THE Nelson Burnham Market Ltd | Hospitality | 2023 |
| THE NEO Knitting & Trims Co. Limited | Manufacturing | 2000 |
| THE Neuro Medical Group Ltd | Health & social care | 2025 |
| THE New Best Courier Ltd | Transport & logistics | 2023 |
| THE New Southfield House Management Company Limited | Households | 2002 |
| THE Ngwe Group Ltd | Wholesale & retail | 2017 |
| THE Noir Photography Studio Ltd | Information & communication | 2024 |
| THE Nomad Art Ltd | Wholesale & retail | 2020 |
| THE Nook (Leicester) Ltd | Real estate | 2011 |
| THE Norfolk Wine Wallah Ltd | Wholesale & retail | 2018 |
| THE Nottingham Brewery (2023) Limited | Manufacturing | 2021 |
| THE Nova Crowd Ltd | Construction | 2016 |
| THE Nursery HR People Limited | Administrative & support | 2015 |
| THE Nutshell Collective Limited | Professional & scientific | 2025 |
| THE NYA Academy Trust | Education | 2013 |
| THE Oak (Great Glen) Limited | Hospitality | 2007 |
| THE Oak Tree Essential Health and Nutrition Ltd | Health & social care | 2023 |
| THE Oaks Management Company (Leicester) Limited | Professional & scientific | 2001 |
| THE Office Desk and Chair Company Ltd | Wholesale & retail | 2024 |
| THE Office of DR Mayur Lakhani CBE Limited | Administrative & support | 2020 |
| THE Office Outlet Limited | Manufacturing | 2003 |
| THE Old Bamboo Ltd | Wholesale & retail | 2020 |
| THE Old Kings Head Long Buckby Limited | Hospitality | 2019 |
| THE Old Mill Management Company (Great Glen) Limited | Households | 2020 |
| THE Old Pots Ltd | Hospitality | 2014 |
| THE Old School Leicester Events Limited | Hospitality | 2023 |
| THE Old Wheel Inn Ltd | Hospitality | 2024 |
| THE Olive Branch Collective Ltd | Administrative & support | 2025 |
| THE Olive Tree Company (Leicestershire) Limited | Hospitality | 2009 |
| THE Omega Events Company Limited | Arts & recreation | 2022 |
| THE One East Street Leicester Management Company Limited | Households | 2004 |
| THE Online HR People Ltd | Professional & scientific | 2008 |
| THE Opportunity Club Ltd | Health & social care | 2024 |
| THE Orange Convenience Shop Ltd | Wholesale & retail | 2026 |
| THE Orchard (Syston) Property Management Company Limited | Households | 2024 |
| THE Orchards (Scraptoft) Limited | Real estate | 2007 |
| THE Original Plant Hunters Ltd | Wholesale & retail | 2022 |
| THE Original Scaffolding Company Ltd | Construction | 2021 |
| THE Oscura Collective Ltd | Wholesale & retail | 2024 |
| THE Outside Cleaning Experts Limited | Administrative & support | 2021 |
| THE Paan Express Ltd | Wholesale & retail | 2023 |
| THE Paddock Nailstone Company Limited | Real estate | 2016 |
| THE Paddocks (Packington) Resident Management Company Limited | Households | 2016 |
| THE Paint Shop (Leicester) Limited | Wholesale & retail | 2004 |
| THE PAR (Leicester) Management Company Limited | Households | 2018 |
| THE Park Home Agency Ltd | Real estate | 2024 |
| THE Park Kitchen & Deli Ltd | Hospitality | 2019 |
| THE Party Hire Company Limited | Arts & recreation | 2006 |
| THE Pavilion Suite Ltd | Real estate | 2022 |
| THE PAY Club Ltd | Professional & scientific | 2014 |
| THE Pearl Venue Ltd | Real estate | 2026 |
| THE Peddling Maestro Limited | Wholesale & retail | 2024 |
| THE Peeler People Ltd | Manufacturing | 2020 |
| THE People Moving Company Limited | Transport & logistics | 2025 |
| THE People's Mosquito Limited | Manufacturing | 2012 |
| THE Perfect Bridal Company Limited | Wholesale & retail | 2014 |
| THE Perfect Pension POT Ltd | Administrative & support | 2024 |
| THE Perfume Armoire Ltd | Wholesale & retail | 2025 |
| THE Peri Experts Ltd | Hospitality | 2018 |
| THE Period Products Group Limited | Manufacturing | 2012 |
| THE Physio & Rehab Revolution Ltd | Education | 2026 |
| THE Physio Orthopaedics Limited | Health & social care | 2018 |
| THE Pickwell Paddock Residents Management Company Ltd | Households | 2018 |
| THE Pines Property Limited | Real estate | 2024 |
| THE Pipeline Group Limited | Information & communication | 2021 |
| THE Play PAD LFE Ltd | Health & social care | 2024 |
| THE Plough Binbrook Ltd | Hospitality | 2025 |
| THE Plumb Doctor (Leicester) Limited | Construction | 2023 |
| THE Plumbing Company Leicester Ltd | Construction | 2021 |
| THE PMI Rental Company Limited | Real estate | 2011 |
| THE Podgy Punjab Ltd | Hospitality | 2024 |
| THE Poochery Dog Grooming Limited | Other services | 2018 |
| THE Poplars Limited | Health & social care | 2001 |
| THE Porcupine Company Limited | Wholesale & retail | 2003 |
| THE Post Box. Gifts Limited | Wholesale & retail | 2024 |
| THE Postcode Group Ltd | Real estate | 2023 |
| THE Postcode Investments Ltd | Real estate | 2023 |
| THE Potting Shed Tea Rooms Ltd | Hospitality | 2021 |
| THE Practical Printer Limited | Administrative & support | 1988 |