| Morgan Structural Ltd | Bristol | A rating |
| Morgan Technical Ceramics Limited | Stourport-on-Severn | A rating |
| Morgan Travel Ltd t/a First Event | LEEDS | A rating |
| Morgan-Evans Equestrian LTD | Newmarket | A rating |
| MORGAN, LEWIS & BOCKIUS UK LLP | LONDON | A rating |
| MORGANITE JEWELLERY LIMITED (16037266) | BIRMINGHAM | A rating |
| Morgans Brasserie & Bar Limited t/a Kuku Sushi Bar and Robata | Plymouth | A rating |
| Morgans Hotel Ltd | Swansea | A rating |
| Morgans of Usk Ltd | Usk | A rating |
| Morgans Pomade Company Limited | Whitstable | A rating |
| Morgarten Restaurants Lakeside Ltd | Thurrock | A rating |
| MorGen WWH Ltd | London | A rating |
| Mori Hamada UK Limited | London | UK Expansion Worker: Provisional |
| Moriah House Limited T/A Moriah House Care Home | Nottingham | A rating |
| Moriel Healthcare Ltd | Cirencester | A rating |
| MORINA ACCOUNTING LTD | London | A rating |
| MORJI LIMITED | Essex | A rating |
| Morland House Healthcare Limited | Oxford | A rating |
| Morley Accident Repair | DERBY | A rating |
| Morley Chiropractic Clinic | Leeds | A rating |
| Morley Cricket Club | Leeds | A rating |
| Morley Veterinary Practice ltd | Derby | A rating |
| Morley's (Fast Foods) Limited | Harrow | A rating |
| Morley's Cafe Limited | Ilford | A rating |
| Morley's Fried Chicken | Coulsdon | A rating |
| MORLEY'S FRIED CHICKEN | LONDON | A rating |
| Morleys | Rochester | A rating |
| MORLISS FAST FOOD LTD | Ramsgate | A rating |
| Mormair Ltd | Glasgow | A rating |
| Morning Data Ltd | London | A rating |
| MORNING FLOWERS LTD | SOUTHALL | A rating |
| MORNING FOODS LTD | CREWE | A rating |
| MORNING KICK LIMITED t/a Infusions | Edinburgh | A rating |
| MORNING STAR INTERNATIONAL CHURCH | Croydon | A rating |
| MORNING STAR NURSERY SCHOOL LTD | Essex | A rating |
| Morning Star Public House Ltd | Belfast | A rating |
| Morning Studio Ltd | Newbury | A rating |
| Morning Sun Consultancy Limited | Gillingham | A rating |
| Morningside Healthcare Limited | Leicester | A rating |
| Morningside Specsavers Limited T/A Specsavers Opticians | Edinburgh | A rating |
| Morningstar Europe Ltd | London | A rating |
| Mornington Court Care Home | New Milton | A rating |
| Morocex Limited | London | A rating |
| Moroso Ltd | London | A rating |
| MOROUJ COMMODITIES UK LIMITED | Weston-super-Mare | A rating |
| Morphe Cosmetics Ltd | London | A rating |
| Morphean International Limited | Birmingham | A rating |
| Morphologic Ltd | Wakefield | A rating |
| Morphuse Construction Limited | London | A rating |
| Morrab Pharmacy Limited | Penzance | A rating |
| Morrell Capital Limited | Richmond | A rating |
| Morrello Health Ltd | Chepstow | A rating |
| Morrells Woodfinishes Limited | Stockport | A rating |
| Morries Cleaning Ltd | London | A rating |
| Morrill Investments Limited | Hull | A rating |
| MORRIS & CO | THORNTON HEATH | A rating |
| Morris & Co. Ltd. | Shrewsbury | A rating |
| Morris & Plumley (Northumberland) Ltd | Alnwick | A rating |
| Morris & Spottiswood | Glasgow | A rating |
| Morris & Young | Perth | A rating |
| Morris + Company Limited | London | A rating |
| Morris Commercial Ltd | Hinton-on-the-Green | A rating |
| Morris Hanbury Limited | Maidstone | A rating |
| Morris Hargreaves McIntyre | Manchester | A rating |
| Morris Leslie Limited | Perth | A rating |
| MORRISCO LOCAL LTD | Walnut Tree | A rating |
| Morrison & Foerster (UK) LLP | London | A rating |
| Morrison Community Care Limited | Glasgow | A rating |
| Morrison Design Ltd | Derby | A rating |
| Morrison Glasgow Distillers Ltd | Glasgow | A rating |
| MORRISON INFRASTRUCTURE (UK) LIMITED | London | A rating |
| Morrison Property Consultants Limited | Chesterton | A rating |
| Morrison's Academy | Crieff | A rating |
| Morrisons Core Services Limited | Redhill | A rating |
| Morrisons Daily Margam Road | Margam, Port Talbot | A rating |
| Morrow Choice Ltd | Newcastle upon Tyne | A rating |
| Morrow Contracts Ltd | Belfast | A rating |
| Morse Micro Limited | Cambridge | A rating |
| Morson Group | Salford | A rating |
| Mortar IO Ltd | London | A rating |
| Mortgage Advice Bureau Limited | Derby | A rating |
| Mortgage Magick Ltd | London | A rating |
| Mortgage Matters (Hayes) | Slough | A rating |
| Mortgages & Money Ltd | London | A rating |
| MortgageSourcetec Limited | Bournemouth | A rating |
| Morthan Limited | London | A rating |
| Mortifz Birmingham Ltd T/A Mortif | Birmingham | A rating |
| Mortimer West End Chapel CIO | Reading | A rating |
| Morton Colliery Cricket Club | Alfreton | A rating |
| Morton Fraser MacRoberts LLP | Edinburgh | A rating |
| Morton Grange Ltd | Northallerton | A rating |
| MORTONRETAIL LTD | LINCOLNSHIRE | A rating |
| Mortons Limited | Oxford | A rating |
| Morty and Bobs | London | A rating |
| Mortz Property Maintenance Limited | Scunthorpe | A rating |
| MORVARID NAGHSH TOOS (UK) LTD | London | A rating |
| Morven Veterinary Practice Ltd | Alford | A rating |
| Mosaic 1898 | Leicester | A rating |
| Mosaic Church | Coventry | A rating |
| Mosaic LGBT+ Young Persons' Trust | London | A rating |
| Mosaic Management Services Limited | London | A rating |
| Mosaic Operative Ltd | Beckenham | A rating |
| Mosaic Syndicate Services Limited | London | A rating |
| Mosaic Therapeutics Limited | Babraham | A rating |
| MOSAIC WORLD LTD | ERITH | A rating |
| MOSAIIC DECOR UK LTD 15168940 | ENGLAND | UK Expansion Worker: Provisional |
| Mosaique Creative and marketing | Tewkesbury | A rating |
| MOSAJE LTD T/A CUCKOO POINT SUPERSTORE - PREMIER | Colchester, | A rating |
| Mosanny Home Care Limited TA SureCare Ayrshire | Kilmarnock | A rating |
| Mosdorfer CCL Systems Limited | Rutland | A rating |
| Moseley Ashfield Cricket Club | Birmingham | A rating |
| Moseley Neon Limited | Coventry | A rating |
| Moses Basket Limited | Belvedere | A rating |
| MOSEY CAFE LTD | London | A rating |
| MOSH NEWS TRADING LTD | Chester | A rating |
| MOSIMANN'S LIMITED | London | A rating |
| MOSL Market Operator Services Ltd | Southampton | A rating |
| Mosley Thorold Architects Ltd | London | A rating |
| Mosoar Ltd | London | A rating |
| MOSQUE KITCHEN LIMITED | Edinburgh | A rating |
| Moss & Clucks Limited | Harrogate | A rating |
| Moss & Co ((Hammersmith) Ltd | Perivale | A rating |
| Moss Europe Limited | Feltham | A rating |
| Moss Grove Surgery | Kingswinford | A rating |
| Moss Healthcare Harrogate | Harrogate | A rating |
| Moss Side Medical Centre | Leyland | A rating |
| Mossbay Convenience Store Ltd | Manchester | A rating |
| Mossbourne Federation | London | A rating |
| Mossessian Architecture Ltd | London | A rating |
| Mossley Hill Care Limited | Liverpool | A rating |
| MOSSLEY SPICE LTD t/a Chutney Massala | Mossley | A rating |
| Mossvale Care Home | Glasgow | A rating |
| Most Friendship UK Limited | St. Albans | A rating |
| Most Popular Limited | West Midlands | A rating |
| Most Production UK Limited | London | A rating |
| MOSTAK GLOBAL GROUP LIMITED | Kent | A rating |
| Mostavi Limited | Gateshead | A rating |
| Mostofa Curry of Lincolns ltd | Lincolnshire | A rating |
| MOSTON SMILE CENTRE LTD | Manchester | A rating |
| MOSTON SUPERSTORE LIMITED | MANCHESTER | A rating |
| MOSTOSTAL PULAWY UK | London | A rating |
| MOSTOSTAL ZABRZE REALIZACJE PRZEMYSLOWE S.A. | Salford | A rating |
| Mostyn Lodge Keynsham Limited | Bristol | A rating |
| MOT & REPAIR LIMITED | Manchester | A rating |
| MOT Bros Ltd | Woking | A rating |
| MOT Centre Heston LTD | Feltham | A rating |
| MOT Models Limited | Berkhamsted | A rating |
| Motability Foundation | Harlow | A rating |
| Motability Operations Ltd | Bristol | A rating |
| Motaclan | Birmingham | A rating |
| motaryli ltd | sheffield | A rating |
| Mote Park Vet Group | Maidstone | A rating |
| Motec Europe Limited | Adderbury | A rating |
| Motech | Streatham | A rating |
| Motel One (UK) Ltd | London | A rating |
| Motfab Kiddiz Limited | Grays | A rating |
| Moth Collective Ltd | London | A rating |
| MOTH Drinks Ltd | London | A rating |
| Moth Limited | London | A rating |
| Mother Artists Live Ltd | LONDON | A rating |
| Mother India (Hoylake) Ltd TA Mother India Kitchen | Wirral | A rating |
| Mother Indias Cafe Ltd, T/A Mother India's Cafe | Glasgow | A rating |
| Mother London Limited | London | A rating |
| MOTHER MASH LIMITED | LONDON | A rating |
| MOTHER NUTRI FOODS UK LTD | London | A rating |
| Mother's Touch Care Limited | Greater London | A rating |
| Motherboard Ltd | Eastbourne | A rating |
| MOTHERIFY LIMITED | London | A rating |
| mothers2mothers (UK) Limited | London | A rating |
| MOTHERSCAN HEALTH LTD | London | A rating |
| Mothership HQ Limited | London | A rating |
| Motherson Technology Services United Kingdom Limited | Wokingham | A rating |
| Motherspet Nursery Ltd | London | A rating |
| Motherwell Football and Athletic Club Limited | Motherwell | A rating |
| MOTHERWELL FUEL SERVICES LTD | Motherwell | A rating |
| Motherwell Islamic Centre | Wishaw | A rating |
| MOTIF ACCOUNTING LEICS LTD | Leicester | A rating |
| Motif Creative Ltd. | London | A rating |
| MOTIF UK (PTY) LTD | EDINBURGH | A rating |
| Motifz Clothing Ltd | Bradford | A rating |
| MOTIIS IRELAND LTD | NEWRY | A rating |
| Motilent LTD | London | A rating |
| Motion Applied Limited | Woking | A rating |
| MOTION ART FILM LTD | Birmingham | A rating |
| Motion Europe Ltd | Barking | A rating |
| Motion Impossible Ltd | Bristol | A rating |
| Motion Metrics Ltd | London | A rating |
| Motion Robotics Limited | Southampton | A rating |
| Motionspot Ltd | Teddington | A rating |
| Motiur Rahman T/A Bay Leaf Fine Indian Cuisine | Huntingdon | A rating |
| MOTIV ENTERPRISE LTD | London | A rating |
| Motivait Holdings Limited | Newcastle Upon Tyne | A rating |
| Motivates Inc. Limited | London | A rating |
| Motivation Group Ltd | London | A rating |
| Motive Pictures Limited | London | A rating |
| Motive Technology UK Limited | London | A rating |
| Motive UK Advisors LLP | London | A rating |
| Motivforce Ltd | Cobham | A rating |
| MOTO CLINIC LTD | LONDON | A rating |
| Moto Direct Limited | South Normanton | A rating |