| CITI KITCHEN LONDON LIMITED | Ilford | A rating |
| Citi Venture Group Ltd | London | A rating |
| CITIAN LTD | London | A rating |
| CITIBOND TRAVEL (LONDON) LTD | Stanmore | A rating |
| CITIGAURD SECUREDRIVE LTD | Allerton | A rating |
| Citiguard Services Ltd | Edgware | A rating |
| CITILAND ESTATES LTD | London | A rating |
| CITIMOUNT (CATFORD) LTD | CATFORD | A rating |
| CITIMOUNT (COLCHESTER) LTD | COLCHESTER | A rating |
| Citisense Ltd | London | A rating |
| Citisoft, Inc. UK | London | A rating |
| CitiusTech Healthcare Technology Pvt. Ltd | New Denham, Uxbridge | A rating |
| Citizen Femme Ltd | London | A rating |
| Citizen Housing Group Limited | Birmingham | A rating |
| Citizen Machinery UK Ltd | Bushey | A rating |
| Citizen Relations Limited | London | A rating |
| Citizen Ticket | EDINBURGH | A rating |
| Citizen UK Holding Limited | London | A rating |
| Citizens Advice 1066 | St Leonards-on-Sea | A rating |
| Citizens Advice Brent | London | A rating |
| Citizens Advice Bury & Bolton | Bolton | A rating |
| Citizens Advice Mid Mercia | Swadlincote | A rating |
| Citizens Advice Plymouth | Plymouth | A rating |
| Citizens Advice Richmond | Hampton | A rating |
| Citizenship First Ltd | Sheffield | A rating |
| Citrefine International Limited | Leeds | A rating |
| Citrus Group Limited | London | A rating |
| Citta Care Ltd | Ashford | A rating |
| City & Beyond Ltd | Oxford | A rating |
| City & Country Hotels Ltd | Iver | A rating |
| City & County Care Services Ltd T/A Aspire UK | Leicester, | A rating |
| City & Financial Global Limited | London | A rating |
| City & Guilds Limited | London | A rating |
| City & Provincial Properties Ltd | London | A rating |
| City 1st Ltd | Slough | A rating |
| CITY ACADEMY (ARTS) LIMITED | LONDON | A rating |
| City Accounts UK Limited | London | A rating |
| City Acquisitions Ltd | London | A rating |
| City and Commercial Ltd | London | A rating |
| City and County Healthcare Group - (CCH Group) | Nottingham | A rating |
| City and County of Swansea | Swansea | A rating |
| City and Provincial Support Services Ltd | London | A rating |
| City Athletic Limited | London | A rating |
| City Books Accountants Limited | London | A rating |
| CITY BREW COFFEE LTD | London | A rating |
| City Building | Glasgow | A rating |
| City Building Concepts | Oldham | A rating |
| CITY CARE AGENCY LTD | London | A rating |
| City Care Providers Ltd | Doncaster | A rating |
| CITY CARE SERVICES LIMITED | CAMBRIDGE | A rating |
| City Cargo Services | Salford, Manchester | A rating |
| CITY CARPETS & FURNITURE LTD | Slough | A rating |
| City Central Contracts Limited | London | A rating |
| CITY CENTRE CENTRAL PRIVATE HIRE LIMITED | Stoke-On-Trent | A rating |
| City Centre Ltd TA Arbury Balti | Nuneaton | A rating |
| City Church | Belfast | A rating |
| City Church (Cambridge) | Cambridge | A rating |
| City Church Birmingham | Birmingham | A rating |
| City Church Manchester | Manchester | A rating |
| City Church Preston | Preston | A rating |
| City Cleaning Service Ltd. T/A City Cleaning | London | A rating |
| City College Limited | Coventry | A rating |
| City College Peterborough | Peterborough | A rating |
| City College Plymouth | Plymouth | A rating |
| CITY COLLEGE STRATFORD COMMUNITY INTEREST COMPANY | London | A rating |
| City Construction Build Ltd | London | A rating |
| CITY CONSTRUCTION NETWORK LTD | ILFORD | A rating |
| City Cricket Academy Ltd | Leicester | A rating |
| City Crossfit | London | A rating |
| City Cruises Limited | London | A rating |
| City Dens Ltd | Birmingham | A rating |
| City Dental | Leicester | A rating |
| City Design & Build Ltd | Barking | A rating |
| City Design Limited | Slough | A rating |
| City Educators Limited | London | A rating |
| City Electrical Factors Limited | Kenilworth | A rating |
| CITY ELITE CARS LTD | Leeds | A rating |
| CITY ENGINEERING LIMITED | London | A rating |
| City Executive Consultants Limited | London | A rating |
| City Expert Limited | London | A rating |
| City FA Ltd | Liverpool | A rating |
| City Facilities Management (UK) Limited | Glasgow | A rating |
| City Fios Consultants | London | A rating |
| City Football Group Limited | Manchester | A rating |
| City Fruit & Veg Limited | Southall | A rating |
| city furniture services ltd | Newcastle Upon Tyne | A rating |
| City Gates Church | London | A rating |
| City Goddess Ltd | Romford | A rating |
| City Grip Ltd | London | A rating |
| City Group Inter Rent Limited | London | A rating |
| City Hair & Beauty | Bradford | A rating |
| City Health Care Partnership CIC | Hull | A rating |
| City Health Clinic Limited | Edinburgh | A rating |
| City Health Practice Limited | Hull | A rating |
| CITY HEIGHTS ACCOUNTING SERVICES | London | A rating |
| City Heights Legal Solutions | London | A rating |
| City Hygiene Ltd | Birmingham | A rating |
| City Indian Dining Limited | London | A rating |
| City Inn Express London Fields Limited | London | A rating |
| City Interface Limited | London | A rating |
| CITY INVESTMENT GROUP LIMITED | MILTON KEYNES | A rating |
| CITY IT SOLUTIONS LTD | Ilford | A rating |
| CITY LANGOUSTE LIMITED T/A TRATTORIA VERDI | London | A rating |
| City Law Practice Solicitors Ltd | Birmingham | A rating |
| City Legal Services Limited | Harrow | A rating |
| City Leisure Management Limited t/a Rosa Twelve | Gateshead | A rating |
| City Life Church | Portsmouth | A rating |
| City Link Property Management Ltd | London | A rating |
| City Lofts Londonwide Limited | Hampton Wick | A rating |
| CITY LOOK IMPORTS LIMITED | Preston | A rating |
| City Managed Services Limited | Greenford | A rating |
| City Mandarin Limited | London | A rating |
| CITY MAX INTERNATIONAL LTD | LONDON | A rating |
| City Mini Market Ltd | London | A rating |
| City Mot Dobbs Street Ltd | Wolverhampton | A rating |
| City Nails U.K LTD | Birmingham | A rating |
| City Of Birmingham Rockets Basketball Club | Birmingham | A rating |
| City of Birmingham Symphony Orchestra | Birmingham | A rating |
| City of Derry Hotel Ltd. | Derry | A rating |
| City of Doncaster Council | Doncaster | A rating |
| City of Exeter YMCA | Exeter | A rating |
| City Of Faith Ministry | Barking | A rating |
| City of Glasgow College | Glasgow | A rating |
| City Of God Christian Centre | Newcastle upon Tyne | A rating |
| City of Gods | Sheffield | A rating |
| City of Liverpool Young Men's Christian Association (Inc) | Liverpool | A rating |
| City of London Academies Trust | London | A rating |
| CITY OF LONDON COLLEGE (CLC) LTD | London, | A rating |
| City of London Corporation | London | A rating |
| City of London Corporation (Barbican Centre) | LONDON | A rating |
| CITY OF PRAISE INTL MINISTRIES | BROMLEY | A rating |
| City of Wolverhampton Council | Wolverhampton | A rating |
| City Offices Real Estate Limited | London | A rating |
| City on a Hill | Edinburgh | A rating |
| CITY ON A HILL CONSUL LTD | Romford | A rating |
| City Pantry Ltd t/a Just Eat for Business | London | A rating |
| CITY PHONES LIMITED | Hull | A rating |
| City Physio Clinics Ltd | WOMBOURNE | A rating |
| City Plastics Ltd | West Bromwich | A rating |
| CITY POINT CONVENIENCE STORE LTD | Biggleswade | A rating |
| City Press Services Limited | Manchester | A rating |
| City Private Hire & Minibuses Ltd | Lancashire | A rating |
| City Pro Transport Car Ltd | Hounslow | A rating |
| CITY PROPERTY SERVICES LTD | LONDON | A rating |
| City Pub Group PLC | London | A rating |
| City Quays Hotel Limited | Belfast | A rating |
| City Realtor Ltd | London | A rating |
| City Rehab Ltd | Liverpool | A rating |
| City Rentals Luton Ltd | Luton | A rating |
| City Road Medical Centre | Birmingham | A rating |
| CITY ROAD MINIMART LTD | Liverpool | A rating |
| City Science Corporation Limited | Exeter | A rating |
| City Sightseeing Limited | Redditch | A rating |
| CITY SMILE SOLUTIONS LTD | Aberdeen | A rating |
| City Solicitors t/a Farani Taylor Solicitors | London | A rating |
| City Specs LTD | Manchester | A rating |
| CITY SPICE RESTAURANT LTD | NORWICH | A rating |
| City St George's, University of London | London | A rating |
| City Store | Dunfermline | A rating |
| CITY STORE PVT LTD | Farnborough | A rating |
| City supermarket (london) ltd | London | A rating |
| City Support Limited (Trading address) | Dartford | A rating |
| CITY SURE CARE LTD | London | A rating |
| CITY TAILORS LTD | London | A rating |
| City Tax Accountants Limited | Great Barr | A rating |
| City Tech Business Solutions Ltd | Harrow | A rating |
| CITY TYRES (PRESTON) LTD | Preston | A rating |
| City Valley Church | Shipley | A rating |
| City Vets Ltd | Belfast | A rating |
| City Walls Medical Centre | Chester | A rating |
| City Way Medical Practice | Rochester | A rating |
| City West Country Ltd | Exeter | A rating |
| CITY WINDOWS AND GLASS LTD | Thornton Heath | A rating |
| City Year UK | London | A rating |
| Citycenter Ltd | London | A rating |
| CityCoast Church (CityCoast Trust) | Brighton | A rating |
| Cityfax Ltd | Corbygate | A rating |
| Cityfibre Holdings Ltd | London | A rating |
| CITYGATE ACCOUNTANTS LTD | LONDON | A rating |
| Citygate Automotive Ltd | South Ruislip | A rating |
| Citygate Church | Bournemouth | A rating |
| Citygrove Professional Services Limited | London | A rating |
| CITYLIFE RECRUITMENT LTD | Birmingham | A rating |
| CityMaaS LTD | London Borough of Bromley | A rating |
| Cityplus Network Ltd | London | A rating |
| CITYREED LIMITED | London | A rating |
| CITYSCAPE DIGITAL LIMITED | LONDON | A rating |
| CITYSHAPERS LTD | MILTON KEYNES | A rating |
| CitySmile Dental Practice | London | A rating |
| Citysound Limited | London | A rating |
| CITYTASKER LIMITED | London | A rating |
| Cityway Dental Practice | Rochester | A rating |
| CITYWEB LIMITED | Surrey | A rating |
| Citywharf Property Investment Consultancy Ltd | London | A rating |
| Citywire Financial Publishers Ltd | London | A rating |
| Citywise Travel Ltd | High Wycombe | A rating |
| CIV Services Limited | Lancashire | A rating |
| Civcon Civil Engineering Ltd | Leeds | A rating |
| Civic Care Ltd | London | A rating |
| Civic Engineers Ltd | Manchester | A rating |