| ACT Publishing | The Commercial Greenhouse Grower, The Vegetable Farmer |
| Archant Community Media Ltd | Eastern Daily Press, The New European |
| Argyll Media | Dunoon Observer & Argyllshire Standard |
| Associated Newspapers Limited | Metro, Daily Mail, Mail on Sunday, Mail Online |
| Barnsley Chronicle Limited | The Barnsley Chronicle |
| Bauer Consumer Media Limited & H Bauer | Bella, TV Choice, Grazia |
| Baylis Media Limited | Maidenhead Advertiser, Windsor, Ascot and Eton Express |
| British Film Institute | Sight and Sound magazine |
| Caerphilly Media Ltd | Caerphilly Observer |
| Cedar Communications Ltd | High Life, Tesco Magazine |
| CILEx Journal | CILEx Journal |
| Conde Nast International | Vogue Business |
| The Conde Nast Publications Limited | Vogue, Tatler, GQ |
| Congleton Chronicle | Congleton Chronicle, Alsager Chronicle |
| Connect Publications | Scottish Dental Magazine |
| Cumberland and Westmorland Herald Ltd | The Cumberland & Westmorland Herald |
| DC Thomson Group | Sunday Post, People's Friend, Press & Journal |
| DNG Media | Annandale Observer, Dumfries Courier |
| Eye to Eye Media | Delicious, Healthy Food Guide |
| Faversham House Limited | Network, Water & Wastewater Treatment |
| Fusion Flowers Limited | Fusion Flowers |
| Future Plc | PC Gamer, Total Guitar |
| George Boyden & Son Limited | Stratford Herald |
| The Guernsey Press Company Limited | The Guernsey Press and Star |
| Haymarket Media | Autocar, Campaign UK |
| Hearst UK Limited | Women’s Health, Men’s Health, Runner’s World |
| Highland News & Media Ltd | Inverness Courier, Highland News |
| Holdthefrontpage.co.uk | holdthefrontpage.co.uk |
| Housebuilder Media Ltd | Housebuilder |
| I Am New Generation Magazine Ltd | I Am New Generation Magazine |
| Iliffe Media Group Limited | The Bury Free Press, Cambridge Independent |
| Immediate Media Company | Radio Times, Olive, BBC History |
| Independent News & Media | Belfast Telegraph, Sunday Life |
| The Irish News | The Irish News |
| The Jewish Chronicle | The Jewish Chronicle |
| JPIMedia | The Scotsman, The Yorkshire Post |
| The Lady | The Lady |
| Landor LINKS Limited | Local Transport Today, Parking Review |
| Life and Work (Church of Scotland) | Life and Work |
| MNA | Express & Star, Shropshire Star |
| Motherdom | Motherdom Magazine |
| The National Magazine Company Ltd (Hearst Magazines UK) | Best, Cosmopolitan, Harper's Bazaar |
| Newbury News Limited | Newbury Weekly News, Newbury & Thatcham Advertiser |
| News Corp UK & Ireland | The Times, The Sunday Times, The Sun |
| Newsquest Media Group | The Herald, The Northern Echo |
| Nub News Ltd | Atherstone.nub.news, Thurrock.nub.news |
| Orkney Media Group | The Orcadian |
| PA Media | PA news agency |
| Paragraph Publishing | Scotland Magazine, Whisky Magazine |
| Pinpoint Scotland | Urology News, Eye News |
| Plenham Ltd (trading as Bodyshop Magazine) | Bodyshop Magazine |
| Press Gazette | Press Gazette |
| Quest Media Network | Tameside Reporter, Glossop Chronicle |
| Reach PLC | Daily Mirror, Daily Express, Manchester Evening News |
| Recycler Publishing and Events Ltd | The Recycler |
| Regional Media Ltd | Rotherham Advertiser |
| Rochdale Online Ltd | Rochdale Online |
| Rural Media (Travellers Times) | Travellers Times |
| Slimming World | Slimming World |
| The Spectator | The Spectator |
| The Stage Media Company | The Stage |
| The Stylist Group Ltd | Stylist |
| Sunday World | Sunday World |
| Sussex Living Ltd | Sussex Living Magazine |
| Telegraph Media Group Ltd | Daily Telegraph, Sunday Telegraph |
| TES Global Ltd | TES Global |
| TI Media Limited | Chat, Homes & Gardens |
| Tindle Newspapers Ltd | Abergavenny Chronicle, Cambrian News |
| Updates Media Limited | Birmingham Updates |
| Veterinary Business Development Limited | Veterinary Times, VN Times |
| Vivat Direct (Reader's Digest) | Reader's Digest |
| Waypride Limited (Champion Media Group) | Southport Champion, Formby Champion |
| West Bridgford Wire | Westbridgfordwire.com |
| WI Enterprises (NFWI) | WI Life |
| The Wokingham Paper | The Wokingham Paper |
| Wyvex Media Ltd | The Oban Times, The Cambeltown Courier |
The Independent Press Standards Organisation C.I.C. is a Community Interest Company limited by guarantee and registered in England and Wales with registered number 02538908.
