| | PR Agency Name | Location |  |  |  |  |
 | Financial Issues | .Priory Court, 7 Pilgrim Street, London
| |  | | |
 | Fine Company Ltd | .Richmond House, Otley Road, Leeds [West Yorkshire] [North East] [England] | | | | |
 | Finished Article Copywriting Services | .21 Stirling Drive, Thurnby, Leicester Leicestershire [Leicestershire] [East Midlands] [England] | | | | |
 | Finn Communications | .Computer House 26 Gain Lane, Bradford.
| | | | |
 | Finsbury Ltd | .52-58 Tabernacle Street, Shoreditch, London
| | | | |
 | Fiona Bell & Co | .Multi-media Exchange, 72-80 Corporation Road, Middlesbrough [Middlesbrough] [North East] [England] | | | | |
 | Fiona Harrold Press & Public Relations | .14 Millers Close Goring, Reading Berkshire RG8 9BS
| | | | |
 | Fiona Haycock P R | .99 Milton Grove, London [Greater London] [South East] [England] | | | | |
 | FIRE | .Portland House
Stag Place
London
| |  | |  |
 | Firefly Communications | .25/4 The Coda Centre 189 Munster Road London [Greater London] [South East] [England] | |  | |  |
 | Firefly Communications | .Suite 4 Unit 25, The Coda Centre, Munster Road, Fulham, London [Greater London] [South East] [England] | |  |  | |
 | Firefly Scotland Ltd | .The Bourse Business Centre47, Timber Bush,Edinburgh,Midlothian [City of Edinburgh] [Lothian] [Scotland] | | | | |
 | Firehaus | .7 Redan Street, London [Greater London] [South East] [England] | | | | |
 | Firm Friends Partnership | .87 Frankland Clo, Bath. [Bath Avon] [South West] [England] | | | | |
 | First & 42nd | .Haymarket House 28 29 Haymarket, London.
| | | | |
 | First City Financial Ltd | .21 Bloomsbury Way,London,
| | | | |
 | First Financial Advertising Ltd | .1 Red Lion Court, London
| |  | | |
 | First Light Communications | .22 Gay Street, Bath,Avon [Bath Avon] [South West] [England] | | | | |
 | First Personal Finance | .Fairfax House, Merrion Street, Leeds [West Yorkshire] [North East] [England] | | | | |
 | First Principles Media Services | .63 Craven Street, Coventry [West Midlands] [West Midlands] [England] | | | | |