| Z & A ESTATES LTD | Dagenham | A rating |
| Z & A JOINERY LTD | Bedfont | A rating |
| Z & H SUPPLIES LTD | Birmingham | A rating |
| Z & K Fast Food Limited TA German Doner Kebab | Cheltenham | A rating |
| Z & K Gourmet Foods Ltd | Nottingham | A rating |
| Z & K Hot Food Ltd | Portsmouth | A rating |
| Z & K Kaspa Ltd | Bridgend | A rating |
| Z & K Manchester Ltd | Manchester | A rating |
| Z & K Partners Ltd | Liverpool | A rating |
| Z & K Plymouth Ltd | Plymouth | A rating |
| Z & K South Ltd | Plymouth | A rating |
| Z & K Southwest Ltd | Milton Keynes | A rating |
| Z & K T/A Subway Ltd | Derby | A rating |
| Z & K Worcester Ltd | Worcester | A rating |
| Z & M Care Limited | Hove | A rating |
| Z & R Trade Limited T/As J H News | Irvine | A rating |
| Z & S store | Coatbridge | A rating |
| Z & Z Delights LTD T/A Nafees Bakers Ltd | Huddersfield | A rating |
| Z & ZalikLimited | Manchester | A rating |
| Z A Care Limited, T/A Shalom Care Home | Dreghorn | A rating |
| Z A DISTRIBUTORS LIMITED | Birmingham | A rating |
| Z A PRODUCT LIMITED | LONDON | A rating |
| Z B Accountants Ltd | London, | A rating |
| Z HOTELS OPERATIONS LTD | London | A rating |
| Z Hotels ZHH Ltd | London | A rating |
| Z I Catering Limited T/A Lahore Karahi | Tooting | A rating |
| Z JAN INTERNATIONAL GROUP LTD | Sunbury-On-Thames | A rating |
| Z LABORATORY UK LIMITED | London | A rating |
| Z MO LTD | Wigston | A rating |
| Z N A CATERING LIMITED | Stoke-On-Trent | A rating |
| Z PALEJ LIMITED T/A POUND PLUS | Chorley | A rating |
| Z PLUS SOLUTIONS LTD | London | A rating |
| Z Prime Ltd | Uxbridge | A rating |
| Z RENTAL LIMITED | LONDON | A rating |
| Z S Accountants Limited | Eccles | A rating |
| Z S DOUBLE GLAZING LTD | Ilford | A rating |
| Z SALOON LTD T/A ZUBAIR'S HAIR SALON | GLASGOW | A rating |
| Z Square Solutions Ltd | Taplow | A rating |
| Z Z FOODS LIMITED t/a Zing Zing Chinese | London | A rating |
| Z-FIT CONSULTANCY LTD | London | A rating |
| Z-H - BANGLA BAZAAR LTD | Manchester | A rating |
| Z-Tech Control Systems Limited | Swavesey | A rating |
| Z.A. AKRAM LIMITED | Huddersfield | A rating |
| Z.A.K. Studio Ltd. | London | A rating |
| Z.BUILDINGS LTD | Manchester | A rating |
| Z/Yen Group Limited | London | A rating |
| Z&E Halal Meat Ltd | Harrow | A rating |
| Z&E LEGAL CONSULTANCY LIMITED | LONDON | A rating |
| Z&F Corporation Ltd. | Uxbridge | A rating |
| Z&I FOODS LIMITED | Bolton | A rating |
| Z&J SOLUTIONS LTD | Slough | A rating |
| Z&K Cornwall Food Ltd | Plymouth | A rating |
| Z&K Corporate Ltd | Gloucester | A rating |
| Z&K Exeter Ltd | Exeter | A rating |
| Z&K Fresh Tea Ltd t/as GDK Crawley | Crawley | A rating |
| Z&K GLOUCESTER LTD | Gloucester | A rating |
| Z&K Northampton Ltd | Northampton, | A rating |
| Z&K Quality Foods Ltd | Coventry | A rating |
| Z&K Swindon Ltd t/as GDK Bristol | Bristol | A rating |
| Z&L TRADING LTD ta SMart Oriental Supermarket | Sutton | A rating |
| Z&M Care Ltd T/A Lyndhurst Care Homes | Hove | A rating |
| Z&R TRADERS LTD | NORTHAMPTON | A rating |
| Z&T Business Solutions Limited | Nottingham | A rating |
| Z&W RETAIL LTD | Glenrothes | A rating |
| Z&Z FOOD SERVICES LTD- T/A PEPE'S PIRI PIRI | Harrow | A rating |
| Z&Z Restaurant Ltd | London | A rating |
| Z1 TYRES (BLACKBURN) LTD | BLACKBURN | A rating |
| Z100 Community Limited | London | A rating |
| Z2 Fashion Limited | Manchester | A rating |
| Z3 Bros Limited | London | A rating |
| Z5 CARS LTD | Northampton | A rating |
| Z5 LOGISTICS LIMITED | London | A rating |
| ZA CONSTRUCTION & FLOOR FITTING LTD | Hayes | A rating |
| ZA CONSTRUCTION LTD | Manchester, | A rating |
| ZA ENGINEERING SERVICES LTD | Ilford | A rating |
| ZA LOGISTICS LTD | NOTTINGHAM | A rating |
| ZA SWEETS LTD T/A Pooja Sweets & Savouries | Cardiff | A rating |
| ZA Utilities Limited | London | A rating |
| Za Za Bazaar Limited | Bristol | A rating |
| Zaad Empire Limited | Blackburn | A rating |
| Zaam Wholesale Distribution ltd | Stoke on trent | A rating |
| Zaam Zaam Limited | Leicester | A rating |
| ZAAN GROUP LIMITED | Kent | A rating |
| Zaar Abbasi & Bibi Fatima Ali Partnership T/A Longton Dental Centre | Stoke on Trent | A rating |
| Zaara 1 Limited TA German Doner Kebab | Leicester | A rating |
| Zaara 2 Limited t/a Shrimp & Co | Leicester | A rating |
| ZAAZEE CONSULTANCY LIMITED | Lancashire | A rating |
| ZABCOUK LTD | London | A rating |
| Zabir Ali Optical Ltd | New Milton | A rating |
| ZABKA MARKET (MCR) LTD | Salford, | A rating |
| Zabou Casualwear Limited | Preston | A rating |
| Zabs Hair and Beauty Limited | Reading | A rating |
| ZACH 'S CARE PVT LTD | Silsoe | A rating |
| ZACHARY PULMAN DESIGN CONSULTANTS LTD (trading address) | London | A rating |
| Zachary Thomas Beim | Cirencester | A rating |
| ZACHSYS LTD | Berks | A rating |
| ZACK AUTOS LTD | Reading, Berkshire, | A rating |
| ZACK KNIGHT SECURITY LTD | London | A rating |
| Zada Restaurant Limited | Farnham | A rating |
| ZADAFIYA'S LTD | Wembley | A rating |
| Zadams Chemist Ltd | London | A rating |
| Zadina Abayas London Limited | London | A rating |
| Zadran Distribution Ltd t/a Zadran Distribution | Derby | A rating |
| Zaf Homes LTD | Northampton | A rating |
| ZAFAR AND MAZHAR TRANSPORT UK LIMITED | Dudley | A rating |
| Zafar Nadeem Ltd/TA Asia Superstore | Halifax | A rating |
| ZAFASA.UK LTD | Manchester, | A rating |
| ZAFASH LIMITED | LONDON | A rating |
| Zafco Catering Limited | Glasgow | A rating |
| Zafer Mahmood | Heywood | A rating |
| ZAFFAR'S LTD | Stockton-On-Tees | A rating |
| Zafferano Catering Ltd | London | A rating |
| ZAFIN LABS UK LTD | LONDON | A rating |
| Zafirahitsolutions Ltd | London | A rating |
| Zafire Ltd | Banbury | A rating |
| Zafrani Monton Limited | Manchester | A rating |
| Zafron Foods Limited | Mitcham | A rating |
| ZAFRON LTD | Brighton | A rating |
| ZAFS NEWS | OLDHAM | A rating |
| Zag Limited | London | A rating |
| Zagbon Limited | London | A rating |
| Zagreb-Montaza | Edinburgh | A rating |
| ZAGROS SUPERMARKET LIMITED | Coventry | A rating |
| Zaha Hadid Limited | London | A rating |
| Zahara Systems Limited | Bath | A rating |
| Zahedi Health Co Ltd | London | A rating |
| Zaheer & Company Chartered Certified Accountants | Manchester | A rating |
| ZAHEER ACCOUNTANCY & BOOKKEEPING LTD | London | A rating |
| ZAHEERS VENUE LTD | Luton | A rating |
| Zahid Ahad UK Limited | Birmingham | A rating |
| Zahid Bashir T/As Earlston Convenience Store | Edinburgh | A rating |
| ZAHID BUILDERS LTD | Birmingham | A rating |
| ZAHID INDIAN LIMITED | Chesterfield | A rating |
| Zahra Catering Limited | Lowestoft | A rating |
| Zahraa Wedding Services Ltd | Birmingham | A rating |
| ZAHRAT KURDUFAN GENERAL TRADING UK LTD 15213278 | LONDON | UK Expansion Worker: Provisional |
| Zahwas International Limited | London | A rating |
| Zai & Co 7 Ltd. T/As Amchi Mumbai | Harrow | A rating |
| Zai Apparels ltd | nottingham | A rating |
| ZAID NEWS LTD | Ilford | A rating |
| Zaidi & Co | London, | A rating |
| Zaika Food Ltd T/A Pepe's Piri Piri | Bolton | A rating |
| Zaika Kebab & Sweets | Rotherham | A rating |
| Zaika Restaurant (Scotland) Ltd | Livingston | A rating |
| Zaika Restaurant Limited | London | A rating |
| ZAIKA STROUD LTD | Gloucestershire | A rating |
| Zaika The Paan Shop Ltd | Reading | A rating |
| Zaimra Ltd | Brighouse | A rating |
| Zain Construction Ltd | London | A rating |
| Zain Enterprise Limited | Manchester | A rating |
| ZAIN GLOBAL(UK) LIMITED | London | A rating |
| zain hut limited T/A Pizza Hut | slough | A rating |
| ZAIN HUT SOUTH LTD | slough | A rating |
| ZAIN PH LIMITED | slough | A rating |
| ZAINA EDIN LTD | EDINBURGH | A rating |
| Zaina Enterprises Ltd T/A Premier Express | Glasgow | A rating |
| ZAINAB ZEB FOOD LTD | Dudley | A rating |
| Zainab's Kitchen | London | A rating |
| ZAINIX LTD | London | A rating |
| Zains CH Ltd | Dalry | A rating |
| ZAITOUNA EXPRESS LTD | Guildford | A rating |
| Zaiwalla & Co Limited | London | A rating |
| Zaizi Limited | London | A rating |
| Zak (Pvt) Ltd. | Livingstone | A rating |
| Zak Accountancy Ltd | Manchester | A rating |
| Zak and Adam Eyecare Ltd | London | A rating |
| ZAK CAKES LIMITED | Dalston, London | A rating |
| ZAK CARS LIMITED | London | A rating |
| ZAK GADGET LIMITED T/A MobileBitz | Aylesbury | A rating |
| ZAK MONEY EXCHANGE LIMITED | London | A rating |
| ZAK WHOLESALE TYRES LTD | Accrington | A rating |
| ZAK's Halal Ltd | Walsall | A rating |
| Zakapps Software Limited | Caldecotte; Milton Keynes | A rating |
| ZAKAR MEHMOOD t/a Fengate Motors | Peterborough | A rating |
| Zakariya Tradings Ltd | Edinburgh | A rating |
| ZAKCO LIMITED | ilford | A rating |
| ZAKIR PROPERTIES LIMITED | London | A rating |
| ZAKIR WALI'S KITCHEN LTD | Kingston upon Thames | A rating |
| ZAKISSA LIMITED | Bolton | A rating |
| Zakka Multitec UK Limited | London | A rating |
| Zaks F&B Ltd T/A Amorino Gelato Al Naturale | Bracknell Forest | A rating |
| Zaks IT Ltd | London | A rating |
| Zaky Group Ltd | Manchester | A rating |
| Zalaris UK Ltd | Walton-on-Thames | A rating |
| Zalatimo Goods Ltd T/A Heavenly Desserts | Middlesbrough | A rating |
| Zaliant Trading Limited | Swadlincote | A rating |
| Zallycakes and Edibles Limited | Nottingham | A rating |
| ZALONE LTD | Manchester | A rating |
| ZAM FM LTD | Handforth Cheshire | A rating |
| Zam Management Ltd | Ilford | A rating |
| Zam Secure Limited | Romford | A rating |
| Zam Supermarket Ltd | Croydon | A rating |
| ZAM TRAVELS AND TOURS LTD | Bradford | A rating |
| ZAM ZAM (UK) LIMITED | LONDON | A rating |
| ZAM ZAM FRESH FISH SHOP LTD | Northampton | A rating |
| ZAM ZAM HALAL FOOD LTD T/A ZAM ZAM | Northampton | A rating |
| ZAM ZAM ISLAMIC STORE LTD | Birmingham | A rating |
| Zam Zam Sweet Peterborough Ltd | Derby | A rating |
| ZAM ZAM TRAVELS LTD | Birmingham | A rating |
| ZAM'S HEALTHCARE LTD | Newcastle | A rating |