| Mika Restaurants Ltd T/A Mr LoBo | London | A rating |
| Mika Studio Ltd | Isleworth | A rating |
| Mikail Autos UK Ltd | Cambridge | A rating |
| Mike Anderson Farming Ltd | Keith | A rating |
| Mike Ayres Design Limited | Ipswich | A rating |
| Mike Pownall Ltd Broughton House Care Home | Liverpool | A rating |
| MIKE'S CARPETS DIRECT LTD | Leeds | A rating |
| MIKEL CONSTRUCTION LTD | London | A rating |
| MIKENOPA UK & IRELAND LIMITED | Ware | A rating |
| Mikes Poultry Limited | Tipton | A rating |
| MIKI TRAVEL LIMITED | LONDON | A rating |
| MIKKOM LIMITED | Windsor | A rating |
| MikMak International Limited | Reading | A rating |
| MIKOS MIKOS LTD | London | A rating |
| MIKROLINK TELECOMMUNICATION UK LTD | London | A rating |
| MIKROPOR UK LIMITED | Burnley, England | A rating |
| MIKYAAL RESTAURANT LTD T/a Aashiqs | Burntwood | A rating |
| MIL Limited | London | A rating |
| Mil-tek UK Recycling & Waste Solutions Ltd | Buckley | A rating |
| Mila Construction Ltd | London | A rating |
| MILA VENTURES LTD | London | A rating |
| Milam London Ltd | London | A rating |
| Milan Barber Shop (Sole Trader) | Gloucester | A rating |
| MILAN CLOTHING LIMITED | Manchester | A rating |
| Milan Lounge UK Ltd | Shropshire | A rating |
| Milan Tyres UK Ltd | London | A rating |
| MILANO DESIGN AND BUILD LTD | London | A rating |
| Milano International T/A Milano Pro Sport | Preston | A rating |
| Milano Pizza | Hounslow | A rating |
| Milano Stores Limited | London | A rating |
| Milanos Fast Food Ltd T/A Milanoâ??s Fish and Chips | Airdrie | A rating |
| MILANOS PRESTON LIMITED | Preston | A rating |
| Milans Newsagent T/A ISHI EXPRESS | LONDON | A rating |
| MILAP FESTIVAL TRUST | LIVERPOOL | A rating |
| MILAS HOME FOODS LTD T/A Namma Ooru Dosa | Liverpool | A rating |
| Milbank LLP | London | A rating |
| Milberg London LLP | London | A rating |
| Milbotix Ltd | Chipping Norton | A rating |
| MILCA LOREEN GWANZURA t/a THE CLARET JUG | DUNGANNON | A rating |
| Mild Limited | London | A rating |
| MILDCARE LTD (LINCOLN PHARMACY) | London | A rating |
| MilDef Limited | Saint Athan | A rating |
| Mildenhall Cricket Club | Mildenhall | A rating |
| Mildmay Mission Hospital | London | A rating |
| Mildreds Limited | London | A rating |
| Mile College Ltd | Oldham | A rating |
| Mile End Groceries Limited | London | A rating |
| MILE END POST | LONDON | A rating |
| MILE END SUBWAY LTD | London | A rating |
| MILE STORES LIMITED | BEDFORD | A rating |
| Mileage Ltd | Bicester | A rating |
| Mileage Reclaim Ltd | Birmingham | A rating |
| Miler Ltd | York | A rating |
| Miles Shipping Limited | Heston | A rating |
| Mileshield Commercial Funding Ltd | Burnham, Slough | A rating |
| Milestone Care Group Ltd | Coventry | A rating |
| Milestone Central Ltd | Chipping Barnet | A rating |
| Milestone Edtech (UK) Co.,LTD | Glasgow | A rating |
| MILESTONE ESTATE AGENTS LONDON LIMITED | LONDON | A rating |
| Milestone Estates | Reading | A rating |
| Milestone Garage (Dartford) Limited | Dartford | A rating |
| Milestone Global IT Limited | Ilford | A rating |
| Milestone Living Limited | Perth | A rating |
| Milestone Rathfriland Ltd | Newry | A rating |
| Milestone Restaurants Limited t/a McDonalds | Woolwich, London | A rating |
| Milestone Support Services Limited | SOUTHAMPTON | A rating |
| Milestone Technologies UK Limited | Pinner | A rating |
| Milestone Ventures Ltd | London | A rating |
| Milestones Day Nursery Limited | Dartford | A rating |
| Milestones Education Ltd | Birmingham | A rating |
| MILESTONES LONDON LIMITED | Amersham | A rating |
| Milestones Private Ltd | Coventry | A rating |
| Milestones Trust | Bristol | A rating |
| Milestones Veterinary Centre Ltd | Newton Abbot | A rating |
| Mileway UK Management Ltd | London | A rating |
| Milewood Healthcare Limited | Salisbury, Ringwood | A rating |
| Milford Care Limited | Belper | A rating |
| MILFORD DEL SUPPORT AGENCY LIMITED | Sandown | A rating |
| Milford Dental Centre Ltd | Godalming | A rating |
| Milford Hall Cricket Club | Stafford | A rating |
| Milford Hall Hotel Limited | Salisbury | A rating |
| MILHAAN METALS LIMITED | Peterborough | A rating |
| MILIA YACHTING LTD | London | A rating |
| MILIFORTUNE LTD | London | A rating |
| Milijuli Gurkha Ltd | Manchester | A rating |
| Milina London Limited | Stanmore | A rating |
| MILK & EGG LIMITED | West Ealing | A rating |
| Milk Management Limited | London | A rating |
| Milken Europe Limited | London | A rating |
| Milkpod Ltd | London | A rating |
| Milkwood Care Ltd | Portsmouth | A rating |
| Milky's UK Ltd | LONDON | A rating |
| Mill Bank Surgery | Stafford | A rating |
| Mill End Hotel (UK) Limited | Chagford | A rating |
| MILL END HOTEL (UK) LIMITED | Chagford, Newton Abbot | A rating |
| Mill Hill Brazilian Jiu-Jitsu | London | A rating |
| MILL HILL COUNTY HIGH SCHOOL | LONDON | A rating |
| Mill Hill Newsagents Limited | London | A rating |
| Mill Hill School Foundation | London | A rating |
| Mill Hill Superstore | Blackburn | A rating |
| MILL INN SPICE LTD T/A Duke Of Delhi | Norwich | A rating |
| Mill Lane Convenience Ltd T/A Mill Lane Postoffice | Portslade | A rating |
| MILL MEADOWS CHILD CARE LTD | HARROW | A rating |
| Mill Road Catering Services Ltd T/A Chum Chee's | Batley | A rating |
| Mill Road Superstore and Darren's Premier Express | Wellingborough | A rating |
| Mill Road Surgery | Colchester | A rating |
| Mill Road Surgery | Sheffield | A rating |
| Millar Callaghan Engineering Services Ltd | Irvine | A rating |
| Millar Management Limited | Derby | A rating |
| Millar Woodcraft Specialist Joinery Manufacture Ltd | Randalstown | A rating |
| MILLARD HOUSE CARE LIMITED | BRAINTREE | A rating |
| Millards Hotel Ltd T/A Days Inn Hyde Park | London | A rating |
| MILLAT HALAL POULTRY LTD | Birmingham | A rating |
| MILLBANK DENTAL CARE LIMITED | London | A rating |
| Millbank FX Limited | London | A rating |
| Millbrook Care Home | Blackwood | A rating |
| Millbrook Healthcare Ltd | Southampton | A rating |
| Millbrook House Residential Home | Blandford Forum | A rating |
| Millbrook Limited T/A Mowchak Tandoori Restaurant | Hampshire | A rating |
| Millbrook Medical Centre | Liverpool | A rating |
| Millbuck Ltd | Sandbach | A rating |
| MILLBURN INTERNATIONAL (EUROPE) LLP | London | A rating |
| Millcroft and York Lodge Care Homes Ltd | Crowborough | A rating |
| MILLCROFT MANAGEMENT LIMITED | London | A rating |
| Millcroft Medical Centre | Crewe | A rating |
| Millcroft Services | Cockermouth | A rating |
| Millcroft Services Plc | Greenwich | A rating |
| Mille Patisserie | London | A rating |
| Millena Limited | LONDON | A rating |
| Millenial Developments Limited | London | A rating |
| MILLENIUM BALTI (NUNEATON) LIMITED | Nuneaton | A rating |
| Millenium Care Homes Limited T/A Abbey House Nursing Home | Southampton | A rating |
| Millenium Employment Agency Ltd | London | A rating |
| MILLENIUM HOTELS LTD | HOUNSLOW | A rating |
| Millennia (UK) Limited | London | A rating |
| MILLENNIUM & COPTHORNE HOTELS LTD | LONDON | A rating |
| Millennium Capital Management Limited | London | A rating |
| Millennium Care Homes Ltd T/A Abbey House Nursing Home, | Southampton | A rating |
| Millennium Care Ltd | Palmers Green | A rating |
| Millennium Cash & Carry Limited | West Thurrock | A rating |
| Millennium Circus Productions Ltd | Belfast | A rating |
| MILLENNIUM DENTAL PRACTICE | London | A rating |
| Millennium Europe Limited | London | A rating |
| MILLENNIUM FISH AND CHIPS LTD | Cardiff | A rating |
| Millennium Food and Off License Limited | Cardiff | A rating |
| MILLENNIUM FRIENDS UK LTD | Wokingham | A rating |
| Millennium Global Investments Limited | London | A rating |
| Millennium Global Treasury Services Limited | London | A rating |
| Millennium Hospitality Group T/A Millennium | Birmingham | A rating |
| MILLENNIUM MEDICAL PRODUCTS LIMITED | DENTON | A rating |
| MILLENNIUM MERSEYSIDE LIMITED T/A MILLENNIUM TANDOORI | Merseyside | A rating |
| MILLENNIUM MINI MARKET LTD | Wallsend | A rating |
| Millennium Staffing Limited | Coventry | A rating |
| Millennium Support | Wakefield | A rating |
| Millennium Venture Ltd | Huddersfield | A rating |
| Miller Druck Stone and Tile Ltd | London | A rating |
| Miller Fabrications | Wishaw | A rating |
| Miller Food and Wine Ltd | Croydon | A rating |
| Miller Insurance Services LLP | London | A rating |
| Miller News & Booze | Widnes | A rating |
| MILLERFIELD STORES (KENNOWAY) LTD | Fife | A rating |
| Millers Bespoke Bakery Ltd | London | A rating |
| MILLERS OF SPEYSIDE LIMITED | Scotland | A rating |
| Millers Oils Ltd | Brighouse | A rating |
| MILLERS WELL LTD | London | A rating |
| Millet Audit Ltd | London | A rating |
| Millet Food Limited | Harrow | A rating |
| Millfield Healthcare Services LTD | Reading | A rating |
| Millfield School | Street | A rating |
| Millgrove construction | Winchester | A rating |
| Millicom Services UK Ltd | London | A rating |
| Millie Hine | Reading | A rating |
| Millies Care and Support Agency Limited | Bath | A rating |
| Milligan Group Ltd | Dumfries | A rating |
| Milliken Industrials Ltd | Wigan | A rating |
| Milliman Financial Strategies Ltd | London | A rating |
| Milliman LLP | London | A rating |
| Million Medical Ltd | Sunderland | A rating |
| MILLIONS GROUP OF COMPANIES LTD | Chadwell Heath | A rating |
| Millitec Food Systems | Draycott | A rating |
| MILLIWAYS FOOD LIMITED | London | A rating |
| Millman Limited | Woking | A rating |
| Millom Cricket Club | Millom | A rating |
| Millom Stores Ltd | Millom | A rating |
| MILLREED LODGE CARE LIMITED | Todmorden | A rating |
| Millrise Medical Practice | Stoke on Trent | A rating |
| Mills & Co Solicitors Limited | Newcastle upon Tyne | A rating |
| Mills & Reeve LLP | Cambridge | A rating |
| Mills Chody LLP | London | A rating |
| Mills CNC Limited | Leamington Spa | A rating |
| Mills Milk (Scotland) Limited | Largs | A rating |
| MILLSONS LTD | HERTFORDSHIRE | A rating |
| MILLSTED CARE LTD | Surrey | A rating |
| Millstream Yield Ltd | Cheshire | A rating |
| Milltek Sport Ltd | Derby | A rating |
| Milltown Partners GBR Limited | London | A rating |
| Millview Medical Centre | Heckington | A rating |
| Millview Surgery | Mansfield | A rating |
| Millway Medical Practice | London | A rating |
| Millwood Kane Limited | London | A rating |