| FOUZIS ROSSETT LIMITED | Wrexham | A rating |
| Fowler Welch Limited | Spalding | A rating |
| Fowrass Fabrication | Cumbria | A rating |
| FOX & DUCK (RICHMOND) LIMITED | RICHMOND | A rating |
| Fox & Hounds | Syston | A rating |
| Fox & Partners Solicitors LLP | London | A rating |
| Fox and Herb - Cafe, Restaurant and Cocktail Bar | HALSTEAD | A rating |
| Fox and Vamp Limited | London | A rating |
| Fox Communications UK Limited | Leeds | A rating |
| FOX COOLING COMPANY LIMITED | London | A rating |
| Fox Design and Manufacturing Services Ltd | Flint | A rating |
| Fox Feeds Ltd | Little Hadham | A rating |
| Fox Head Britain | Quedgeley | A rating |
| Fox Lodge Cricket Club | Strabane | A rating |
| Fox Marble Limited | London | A rating |
| Fox Prime Couriers Limited | Leicester | A rating |
| Fox Studios Limited | Plymouth | A rating |
| Fox Williams LLP | London | A rating |
| Fox-Pitt Eventing | Sturminster Newton | A rating |
| Fox's Biscuits Limited | Batley | A rating |
| Fox's Burton's Companies (FBC) UK Limited | London | A rating |
| Fox's Marina Ipswich Ltd | Ipswich | A rating |
| FOXBRIDGE HEALTHCARE SOLUTIONS | Surbiton | A rating |
| FOXBY HILL CARE HOME LIMITED | GAINSBOROUGH | A rating |
| Foxby Hill Care Home Ltd | Gainsborough | A rating |
| Foxcare Ltd | GLASGOW | A rating |
| Foxearth Lodge Nursing Home | Woodbridge | A rating |
| Foxes Moon Residential Home | Ringwood | A rating |
| FOXESS UK LTD | Coventry | A rating |
| Foxglove Energy Supply Ltd | Leicester | A rating |
| Foxglove Legal Community Interest Company | London | A rating |
| Foxglove Supported Living Limited | Hull | A rating |
| Foxhill Store | Carlton | A rating |
| Foxholes Nursing Home Limited | Hertfordshire | A rating |
| Foxian Ltd | Leicester | A rating |
| Foxleigh Grove Nursing Home | Maidenhead | A rating |
| Foxon Media Ltd | London | A rating |
| Foxton Books Ltd | London | A rating |
| FOXTONS LIMITED | London | A rating |
| Foxtrot Bee Ltd | Bristol | A rating |
| FOXY NAILS LTD | London | A rating |
| Foyle & Marine Dredging Ltd | Claudy | A rating |
| Foyle Food Group | Omagh | A rating |
| Foyles of Glasbury | Glasbury-on-Wye | A rating |
| Foyleside Family Practice | Londonderry | A rating |
| FP Dental | Leeds | A rating |
| FP MANAGEMENT LTD | London | A rating |
| FP McCann Ltd | Magherafelt | A rating |
| FP3 LTD | NEWCASTLE UNDER LYME | A rating |
| FPC AM Limited | London | A rating |
| FPCR Environment and Design Limited | Derby | A rating |
| FPE Capital LLP | London | A rating |
| FPE Seals Ltd | Darlington | A rating |
| FPG Food Ltd t/a Charcoals | Glasgow | A rating |
| FPG FOODS RETAIL LTD | Stanmore | A rating |
| FPM Accountants Limited | Newry | A rating |
| FPP Design Limited | Newcastle Upon Tyne | A rating |
| FPP Investment Management Limited | London | A rating |
| FPS Flexibles UK Ltd | Thirsk | A rating |
| FPT Software United Kingdom Ltd. | London | A rating |
| FR AVIATION LIMITED | Dorset | A rating |
| FR SOLICITORS LTD | London | A rating |
| FRAB Limited | Twickenham | A rating |
| Fracht UK Limited | Sutton Coldfield | A rating |
| Fractal Analytics UK Ltd | London | A rating |
| Fractal Labs Ltd | London | A rating |
| Fractile Ltd | Newbury | A rating |
| Fractory Limited | Bolton | A rating |
| FRAE LTD | London | A rating |
| Fraen Electric Ltd | London | A rating |
| Fragomen LLP | London | A rating |
| Fragrance Couture Limited | Ilford | A rating |
| FRAGRANCE OilS LIMITED | Manchesterr | A rating |
| FRAGRANT SPICE LIMITED T/A THE SHAHIN RESTAURANT | Sunbury On Thames | A rating |
| Fraikin Ltd | Coventry | A rating |
| Framatome Limited | Avonmouth | A rating |
| Framatome UK Limited | Avonmouth | A rating |
| Frame Creative PR Limited | Glasgow | A rating |
| Frameclad Limited | Kingswinford | A rating |
| Framestore | London | A rating |
| Framework (Edinburgh) Limited | Edinburgh | A rating |
| Framework Housing Association | Nottingham | A rating |
| FRAMING SUCCESS LIMITED | SALFORDS | A rating |
| Framlingham College | Framlingham | A rating |
| Framlingham Medical Practice | Woodbridge | A rating |
| Frampton & Co (Sussex) Limited | Bexhill-On-Sea | A rating |
| Frampton Dental Practice | Bristol | A rating |
| Framptons Limited | SHEPTON MALLET | A rating |
| Fran Raybould Associates Limited | Shrewsbury | A rating |
| France Televisions | London | A rating |
| FRANCECOM BUILDERS LIMITED | CHATHAM | A rating |
| Francela | Bury St Edmunds | A rating |
| Frances Charles Leisure Limited | Cowes | A rating |
| Francesca Macari Ltd | Kilmarnock | A rating |
| FRANCESCO ITALIAN LTD T/A THE ITALIAN KITCHEN | Bristol | A rating |
| Franchise Brands PLC | Macclesfield | A rating |
| Franchise Food Group Ltd | Folkestone | A rating |
| FRANCHISE NICOLAS Ltd | LONDON | A rating |
| FRANCHISING WORLDWIDE LTD | Birmingham | A rating |
| Francis and Lewis International Ltd | Gloucester | A rating |
| Francis Bradshaw Consulting Ltd | Wilmslow | A rating |
| Francis Clark LLP | Torquay | A rating |
| Francis Connon, Drenagh Farm | Limavady | A rating |
| Francis Food Ltd | London | A rating |
| Francis Holland Schools Trust | London | A rating |
| Francis Hunter Limited | Wimbledon | A rating |
| Francis Simpson & Sajid Ilyas Partnership T/A Caf???? Patisserie | Bradford | A rating |
| FRANCIS SOLICITORS LIMITED | LONDON | A rating |
| Francis Tuthill Ltd | Banbury | A rating |
| Franciscan Daughters of the Immaculate Heart | London | A rating |
| Franciscan Missionaries of Mary UK CIO | London | A rating |
| FRANCISCAN MISSIONARIES OF ST JOSEPH | Bolton | A rating |
| Franciscan Missionary Sisters of Littlehampton | Littlehampton | A rating |
| Franciscan Servants of Mary Trust | London | A rating |
| Franciscan Sisters of the Heart of Jesus | London | A rating |
| FRANCISCO PARTNERS CONSULTING LTD | London | A rating |
| Francisco Partners Operations LLP | London | A rating |
| Franco Group(UK) LTD | London | A rating |
| Franco Manca 2 UK limited | London | A rating |
| Franco Signs Ltd | Wimbledon | A rating |
| Franco Tax and Accountancy Services Ltd | Carshalton | A rating |
| Franco's Bakery 2003 Limited | Bolton | A rating |
| Francob Limited T/A Don Beni | Winkfield | A rating |
| Francois Square Limited | London | A rating |
| Francotyp-Postalia Ltd | Dartford | A rating |
| Frandek Limited | London | A rating |
| Frango Franchise Ltd | Gloucester | A rating |
| FRANGOFURIOUS LIMITED | Belfast | A rating |
| Frangos | Handforth | A rating |
| Frangoz | Salford | A rating |
| FRANGOZ WOLV LTD t/a FRANGOZ | BRIERLEY HILL | A rating |
| FRANGUITOS BOLTON LIMITED | Bolton | A rating |
| Frank Bird Poultry Ltd | Penrith | A rating |
| Frank Capital Limited | London | A rating |
| Frank Day Upholstery Ltd | High Wycombe | A rating |
| Frank England & Co Limited | Retford | A rating |
| FRANK GILLESPIE TRADE SALES LTD | Paisley | A rating |
| FRANK GREEN LIMITED | London | A rating |
| Frank Hirth plc | London | A rating |
| FRANK HOUSE CARE SERVICES LTD | Clayton le Moors | A rating |
| FRANK MANKSEY LTD | London | A rating |
| FRANK MAYS LTD T/A FRANK MAYS PHARMACY | LONDON | A rating |
| Frank Reynolds Architects | London | A rating |
| Frank Roberts and Sons | Northwich | A rating |
| Frank Shaw Associated Ltd | Chesterfield | A rating |
| Frank Smythson Limited | London | A rating |
| FRANK TRUMAN LIMITED | Harrow | A rating |
| Frank Wright Limited t/a Trouw Nutrition GB | Ashbourne | A rating |
| Frank, Bright & Abel Limited | London | A rating |
| FRANK&WOLF LIMITED | York | A rating |
| Franke Coffee Systems UK Ltd | St Albans | A rating |
| Franke UK Limited | Manchester | A rating |
| Frankham Consultancy Group Limited | Sidcup | A rating |
| Franki Foundations UK Ltd | Darford | A rating |
| Franklin Fitch Limited | London | A rating |
| FRANKLIN INTERNATIONAL GROUP LTD | Woolwich | A rating |
| FRANKLIN PLACEMENT LTD | Barking | A rating |
| Franklin Project Management | Winchester | A rating |
| Franklin Templeton Global Investors Limited | London | A rating |
| FranklinCovey Europe Limited | Banbury | A rating |
| Franklins Restaurant | London | A rating |
| Franks Family Foundation | London | A rating |
| Frankton Cricket Club | Ellesmere | A rating |
| Frankton Group Limited | Runcorn | A rating |
| Franky Construction Limited | London | A rating |
| Fransil Ltd t/a Healthpoint Pharmacy | Bournemouth | A rating |
| FRASCATI LTD | Bournemouth | A rating |
| Fraser Brookes Limited T/A TherapyMatters | Pulford, Chester | A rating |
| Fraser Brown MacKenna Architects (FBM Architects) | London | A rating |
| Fraser Home Care Ltd | Inverness | A rating |
| Fraser Masood Solicitors | Southall | A rating |
| Fraser Residential Ltd | Folkestone | A rating |
| Fraser Russell Limited | Birmingham | A rating |
| Frasers Group Plc | Shirebrook | A rating |
| Frasers Hospitality UK Limited | London | A rating |
| Frasers Management (UK) Limited | London | A rating |
| FRASERS YOUNG (LDN) LTD | Harrow | A rating |
| Fratelli Italian Ltd | Woburn | A rating |
| Fratelli Watford Ltd | Watford | A rating |
| FRATERNITAS LIMITED | Wood Green | A rating |
| FRATTON CAR CENTRE LTD | Portsmouth | A rating |
| Fraud.com International Ltd. | London | A rating |
| Fraunhofer UK Research Ltd | Glasgow | A rating |
| Frauscher UK Ltd | Farnborough | A rating |
| FRAZ MOTORS LIMITED | Luton | A rating |
| Frazer-Nash Manufacturing | Petersfield | A rating |
| Frazer's Ltd | Manchester | A rating |
| Frazier & Deeter UK LLP | London | A rating |
| Freaak Out Ventures Limited | Hounslow | A rating |
| Fred & Ginger Coffee Ltd | Kings Langley | A rating |
| Fred Perry Limited | London | A rating |
| Fred Pilbrow and Partners Limited | London | A rating |
| Fred. Olsen Windcarrier Limited | Lowestoft | A rating |
| Fred's Backyard Barbecue Limited | Edinburgh | A rating |
| Fred's Discount Store | Oxford | A rating |
| FRED250 trading as Cipriani London | London | A rating |
| FREDDIE'S CAKES LTD | London | A rating |
| Freddie's Flowers Ltd | London | A rating |
| Freddies, Harrogate | Harrogate | A rating |
| Freddy's Doncaster Limited t/a Freddy's Doncaster | Doncaster | A rating |