| Milma Foods UK Limited | London | A rating |
| Milnrow Cricket Club | Rochdale | A rating |
| Milnrow Cricket Club Limited | Rochdale | A rating |
| Milo Music Limited | London | A rating |
| Milpharm Ltd | South Ruislip | A rating |
| MILS Legal Ltd trading as MILS | Exeter | A rating |
| Milsom Hotels Ltd | Dedham | A rating |
| Miltenyi Biotec Limited | Bisley | A rating |
| Milton & Crown Certified Accountants Ltd | Milton Keynes | A rating |
| Milton & King Ltd | Hove | A rating |
| MILTON ACCOUNTANTS LTD | Ilford | A rating |
| Milton Advisers Ltd | London | A rating |
| Milton Automotive Ltd | Bedford | A rating |
| Milton Chiropractic Ltd | Milton | A rating |
| Milton Express | Gravesend | A rating |
| MILTON FRY LTD | EDINBURGH | A rating |
| Milton Gerrards Limited | London | A rating |
| Milton Hotels Ltd | INVERNESS | A rating |
| MILTON HOUSE NURSING & CARE LIMITED | Hitchin | A rating |
| Milton Keynes Chinese Christian Church | Milton Keynes | A rating |
| Milton Keynes Chiropractic Clinic Ltd | Milton Keynes | A rating |
| Milton Keynes Council | Central Milton Keynes | A rating |
| Milton Keynes Dons Ltd | Milton Keynes | A rating |
| Milton Keynes Ice Hockey Club Ltd | Milton Keynes | A rating |
| Milton Keynes Murugan Temple Trust (CIO) | Milton Keynes | A rating |
| Milton Keynes Museum Trust Ltd | Milton Keynes | A rating |
| Milton Keynes Specsavers Hearcare Limited | Milton Keynes | A rating |
| MILTON KEYNES TRAINING CENTRE LTD | Milton Keynes | A rating |
| Milton Keynes University Hospital NHS Foundation Trust | Milton Keynes | A rating |
| Milton Keynes Veterinary Group Limited | Milton Keynes | A rating |
| Milton Lodge Limited | Hornchurch | A rating |
| MILTON NEWSAGENTS LTD | Paisley | A rating |
| Milton road dental practice | swindon | A rating |
| Miltoncross Academy | Portsmouth | A rating |
| Miltons of Pimlico Ltd | London | A rating |
| Milverton Capital Limited | London | A rating |
| MILVIAN GROUP UK & EUROPE LIMITED | SUTTON | A rating |
| Milvik UK Limited | London | A rating |
| Milvus Advanced | Thame | A rating |
| MILZ PILLZ LTD T/A THE VILLAGE PHARMACY | CAMBRIDGE | A rating |
| Mim Pharmacy Limited | London | A rating |
| MIMA BROTHERS LTD T/A Pizza Nova | Billingham | A rating |
| Mima Group Limited | London | A rating |
| MIMAH LIMITED | Bolton | A rating |
| MIMARCARE LTD | Norfolk | A rating |
| MIMASM Ltd t/a Appamondo | London | A rating |
| Mimbre Limited | London | A rating |
| Mimecast Services Limited | London | A rating |
| Mimi Miesi Limited | London | A rating |
| Mimi's Hotel Soho | London | A rating |
| Mimi's Teahouse Ltd | Edinburgh | A rating |
| Mimica Automation Ltd. | London | A rating |
| Mimica Lab Ltd. | Dullingham | A rating |
| Mimident Ltd | Southampton | A rating |
| MIMIK GROUP LTD | Doncaster | A rating |
| Mimik Removals Ltd | Aldershot | A rating |
| Miminat Designs Limited | London | A rating |
| Mimis Kebabs Limited T/A Mimis Foods | Birmingham | A rating |
| MIN'S INCORPORATED LTD | Kent | A rating |
| Mina Care Services Ltd | Wellingborough | A rating |
| MINA EXPRESS LIMITED | Nottingham | A rating |
| MiNA Therapeutics Limited | London | A rating |
| Mina's | London | A rating |
| MINADEIN UK Ltd. | Brighton | A rating |
| MINAHIL LTD | ILFORD | A rating |
| MINALIMA LTD | Sunbury-On-Thames | A rating |
| Minamoto Kitchoan Europe Ltd | London | A rating |
| MINAR BUTCHERS LTD T/A MINAR SUPERSTORE | GLASGOW | A rating |
| MINARA CATERING LIMITED | Dumfries | A rating |
| MINAZ Consults (UK) LTD T/A Meloosha Homecare Hull & Beverley Limited | Hull | A rating |
| Mind Bridge Consulting LTD | Reading | A rating |
| Mind Candy Ltd | London | A rating |
| Mind Foundry Limited | Oxford | A rating |
| Mind Gym Plc | London | A rating |
| Mind in Barnet | London | A rating |
| Mind in Bradford | Bradford | A rating |
| Mind in Haringey | London | A rating |
| Mind in Somerset | Taunton | A rating |
| Mind in the City, Hackney and Waltham Forest | London | A rating |
| MIND LINKS MCR LTD | Manchester | A rating |
| Mind The Flat Ltd | London | A rating |
| Mind the Gap Consulting Ltd. | London | A rating |
| Mind The Gap Limited | Bradford | A rating |
| Mind Tools Ltd | Edinburgh | A rating |
| Mindbay Technologies Ltd | London | A rating |
| MINDBODY Limited | London | A rating |
| Mindcom Media Limited | North Walsham | A rating |
| Mindera UK Ltd, T/A Mindera UK | Leicester | A rating |
| Mindflick Ltd | Hathersage | A rating |
| Mindful Arch N Decor Ltd | Walsall | A rating |
| Mindful Education | London | A rating |
| MINDFUL MONTESSORI LTD | Bexley | A rating |
| Mindful Technologies Limited | Birmingham | A rating |
| MINDFULL PRESENCE LTD | BLACKBURN | A rating |
| Mindfulness Health Consulting Ltd | Nottingham | A rating |
| MINDGARD LTD | London | A rating |
| Mindglow Healthcare Ltd | Northwood | A rating |
| Mindglow Solutions Ltd | Northwood | A rating |
| MindgruveMacarta UK Limited | London | A rating |
| MINDI BUILDERS LIMITED | Ilford | A rating |
| MindLink Software Limited | London | A rating |
| Mindmap Technology Limited | Milton Keynes | A rating |
| MindMill (HR) Software Ltd | Belfast | A rating |
| MINDPATH TECHNOLOGY LIMITED | London | A rating |
| MindPortal Ltd | London | A rating |
| Mindqube Limited | Brentford | A rating |
| MINDRANK TECHNOLOGIES LIMITED | Manchester | A rating |
| Mindray (UK) Limited | Huntingdon | A rating |
| Minds I Media Ltd | London | A rating |
| Minds Matter (Trading Activities) Limited | London | A rating |
| MINDS TECHNOLOGIES LIMITED | Croydon | A rating |
| MINDSEARCH LIMITED | LONDON | A rating |
| MINDSET AI LTD | London | A rating |
| Mindset Recruitment Ltd | Nottingham | A rating |
| Mindset Technologies Limited (trading as Mindstep) | London | A rating |
| MINDSHARE GLOBAL LIMITED | Kent | A rating |
| Mindspace London Limited | London | A rating |
| Mindsprint UK Limited | Sutton | A rating |
| Mindsprint UK Limited | London | A rating |
| Mindstone Learning Limited (t/a Mindstone) | London | A rating |
| Mindteck UK Limited | Fleet | A rating |
| Mindtrace Ltd | Manchester | A rating |
| Mindtree IT Solutions Ltd | London | A rating |
| Mindvalley UK Group Ltd | London | A rating |
| Mine Acreage Ltd | Rowsham | A rating |
| Mine Environment Management Ltd | Denbigh | A rating |
| MINE ORIENTAL LIMITED | LONDON | A rating |
| Mine Tech Services UK Limited | Halton | A rating |
| MineGeoTech UK Limited | London | A rating |
| Minehead Medical Limited | Minehead | A rating |
| Minehome LTD T/A Church Terrace Nursing Home | Stoke-on-trent | A rating |
| Minel Cosmetic Limited | London | A rating |
| Mineral Healthcare Limited | Birmingham | A rating |
| Minerva | London | A rating |
| Minerva Analytics Ltd | Witham | A rating |
| Minerva Credit Ltd T/A Commercial & Domestic Investigations | Sunderland | A rating |
| Minerva Europe Ltd. | Essex | A rating |
| Minerva Fire & Security Ltd | Wickford | A rating |
| Minerva GB England Limited | Birmigham | A rating |
| Minerva Global Limited | Alton | A rating |
| Minerva Research Labs Ltd | London | A rating |
| Minerva Supported Living Ltd | Leicester | A rating |
| Minerva UK Ltd | York | A rating |
| Minerva UK Services Limited | London | A rating |
| Minervise Accounting and Taxation Limited | London | A rating |
| Minesoft Ltd | Richmond | A rating |
| Minet Green Health Practice | London | A rating |
| Minet Infant & Nursery School | Hayes | A rating |
| Minety Battery Storage Limited | Reading | A rating |
| Ming Catering Equipment Ltd | Birmingham | A rating |
| Ming Wah Group | Weymouth | A rating |
| Ming Yang UK Renewable Energy Company Limited | London | A rating |
| MING YANG UK RENEWABLE ENERGY COMPANY LIMITED | Cheshire | A rating |
| Minga London Limited | Stansted | A rating |
| Mingletech Limited | London | A rating |
| Mingley Camberley Ltd | Camberley | A rating |
| MINHA HOMES LTD | Bury | A rating |
| Minhaj ul Quran International | London | A rating |
| MINHAJ-UL-QURAN WELFARE FOUNDATION | Manchester | A rating |
| Minhand Group Limited | Manchester | A rating |
| Minhas Law Associates Ltd. | London | A rating |
| MINHOCO 21 LIMITED | Newcastle upon Tyne | A rating |
| MINI CITY VAULT LTD | Lincoln, Lincolnshire | A rating |
| Mini Convey Limited | London | A rating |
| MINI ISLAND LIMITED | Sheffield | A rating |
| Mini Mart | Manchester | A rating |
| Mini Mart One Limited T/A Mini Mart | London | A rating |
| Mini Mart Store | Cardiff | A rating |
| MINI MINERS NURSERY LTD | Burnage | A rating |
| Mini Miracles Montessori | Brentford | A rating |
| Mini Mischief's (Market Harborough) Ltd | Leicester | A rating |
| Mini Professionals Dance Academy Ltd | Kidlington | A rating |
| Mini Supermarket | Whiston | A rating |
| Mini Title Ltd. | London | A rating |
| MINI TREASURES NURSERY LIMITED | Morden | A rating |
| MINI-MART SM LTD | High Wycombe | A rating |
| Minibar (UK) Limited | Burnham | A rating |
| MINICAB CAR RENTAL LTD | London | A rating |
| MINICABRIDE LIMITED | London | A rating |
| MINICABS-UK LIMITED | LONDON | A rating |
| Miniclip (UK) Limited | London | A rating |
| Minik Kardes Ltd | London | A rating |
| Minimax Labs Ltd | London | A rating |
| Minimeals catering ltd | Bristol | A rating |
| MiniMed (UK) Limited | London | A rating |
| Minimum Ltd | London | A rating |
| MINING FOOTPRINT LTD | FIFE | A rating |
| Ministerio Palavra Genuina - Christ Apostolic Church London Ltd | London | A rating |
| MINISTRIES WITHOUT BORDERS INTERNATIONAL | Cardiff | A rating |
| Ministry Leadership and Services Ltd | Stowmarket | A rating |
| Ministry of Automattic Ltd. | London | A rating |
| Ministry of Defence; Defence Business Services | Bristol | A rating |
| Ministry of Fitness | BRISTOL | A rating |
| Ministry of Hope Ltd | London | A rating |
| Ministry of Justice | London | A rating |
| Ministry of Marketing Ltd | Harrow | A rating |
| Ministry of Reconciliation | Leicester | A rating |
| Ministry of Sound Group Ltd | London | A rating |
| MINMETALS (U.K) LIMITED | LONDON | A rating |
| MINMETALS IRON & STEEL UK LTD | LONDON | A rating |