| ACT Publishing | The Commercial Greenhouse Grower, The Vegetable Farmer |
| Archant Community Media Limited | Eastern Daily Press, The New European |
| Associated Newspapers Limited | Metro, Daily Mail, Mail on Sunday, Mail Online |
| The Barnsley Chronicle Limited | Barnsley Chronicle |
| BCML and H Bauer | Grazia, Empire, Heat |
| Baylis Media Limited | Maidenhead Advertiser Series, Windsor, Ascot and Eton Express |
| British Film Institute | Sight and Sound magazine |
| Cedar Communications Limited | High Life, The London Magazine |
| CILEx Journal | CILex Journal (formerly The Legal Executive Journal) |
| Congleton Chronicle | Congleton Chronicle |
| The Conde Nast Publications Limited | Vogue, Glamour, GQ |
| Connect Publications | Scottish Dental Magazine |
| CN Group Limited | The Cumberland News, Times & Star |
| Cumberland and Westmorland Herald Limited | Cumberland and Westmorland Herald |
| DC Thomson Limited | Sunday Post, People's Friend |
| DNG media | Annadale Observer, Dumfries Courier |
| Earl of Stair | Stranraer & Wigtownshire Free Press |
| Eye to Eye Media | Delicious, Puzzle World |
| Faversham House Limited | Desalination and Water Reuse, Utility Week |
| Fusion Flowers Limited | Fusion Flowers |
| Future Plc | PC Gamer, Total Guitar |
| George Boyden & Son Limited | Stratford Herald, Midweek |
| The Guernsey Press Company Limited | The Guernsey Press, The Globe |
| Hampshire Media Limited | Mid Hants Observer, Hampshire Independent |
| Haymarket Media | What Car?, Stuff |
| Hearst UK | Women’s Health, Men’s Health and Runner’s World |
| Hello Limited | HELLO!, HELLO! Fashion Monthly |
| Iliffe Media | Suffolk Free Press, Rutland Times |
| Housebuilder Media Ltd | Housebuilder |
| Immediate Media Company Limited | Olive, Lonely Planet Traveller |
| Independent News and Media Limited | Belfast Telegraph, Sunday Life |
| The Irish News | The Irish News |
| Jersey Evening Post Limited | Jersey Evening Post, Business Brief |
| The Jewish Chronicle | Jewish Chronicle |
| Johnston Press Plc | The i, The Scotsman, The Yorkshire Post |
| K M Media Group | Kent Messenger, Herne Bay Gazette |
| The Lady | The Lady Magazine |
| Landor Links Limited | Local Transport Today, Parking Review |
| Living Along the Thames | Living Along the Thames |
| MNA | Express and Star, Shropshire Star |
| The National Magazine Company Limited (Hearst Magazines UK) | Cosmopolitan, Elle, Harper's Bazaar |
| The Newark Advertiser Company Limited | Newark Advertiser, Southwell Advertiser |
| NewBay Media | Toy News |
| Newbury News Limited | Newbury Weekly News, Newbury & Thatcham Advertiser |
| News UK & Ireland Limited | The Times, The Sun |
| Newsquest Media Group Limited | The Herald, The Northern Echo |
| Northern & Shell Plc | Daily Express, Daily Star |
| Orkney Media Group Limited | The Orcadian |
| Paragraph Publishing | Scotland Magazine, Whisky Magazine |
| Pinpoint Scotland | Urology News, Eye News |
| Plenham Ltd (trading as Bodyshop Magazine) | Bodyshop Magazine |
| Press Association | PA newswire |
| Press Gazette | Press Gazette |
| PSI Group Ltd | Counter Terror Business, Education Business |
| PSP Publishing | Bunkered, English Club Golfer, Scottish Club Golfer |
| Recycler Publishing and Events Ltd (The Recycler) | The Recycler |
| Regional Media Ltd | Rotherham Advertiser |
| Rochdale Online | Rochdale Online |
| Scottish Provincial Press Ltd | Inverness Courier, Highland News |
| Shortlist Media Limited | Shortlist, Stylist |
| The Spectator |
The Spectator
Slimming World
Southwark News |
| Slimming World | |
| Southwark News | |
| Stage Media Company | The Stage |
| Sussex Living Magazine | Sussex Living Magazine |
| Telegraph Media Group Limited | Daily Telegraph, Sunday Telegraph |
| TES Global Ltd | TES |
| Thurrock Media | Thurrock Media |
| TIME | Woman and Home, In Style |
| Tindle Newspapers Limited |
The Forester, Cornish Times, Surrey & Hants News |
| Trinity Mirror Plc | Daily Mirror, Sunday Mirror |
| Veterinary Business Development Limited | Veterinary Times, VN Times |
| Vivat Direct (trading as Reader's Digest) | Reader's Digest |
| Wyvex | Oban Times |
| WI Enterprises Limited | WI Life |
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.
