| IT Zone Limited | | | telecommunications violation | 2019 | UK-PSA | £250,000 |
| Prime Platform Solutions Ltd | | | telecommunications violation | 2019 | UK-PSA | £250,000 |
| Webdata Ltd | | | telecommunications violation | 2019 | UK-PSA | £250,000 |
| Madlenka Limited | | | telecommunications violation | 2019 | UK-PSA | £250,000 |
| Halak Online Ltd | | | telecommunications violation | 2019 | UK-PSA | £250,000 |
| FlipCove Ltd | | | telecommunications violation | 2018 | UK-PSA | £250,000 |
| Xplosion Ltd | | | telecommunications violation | 2018 | UK-PSA | £250,000 |
| Cellso Ltd | | | telecommunications violation | 2017 | UK-PSA | £250,000 |
| Mobigo Ltd | | | telecommunications violation | 2017 | UK-PSA | £250,000 |
| Treasure Media Limited | | | telecommunications violation | 2017 | UK-PSA | £250,000 |
| Vision SMS | | | telecommunications violation | 2016 | UK-PSA | £250,000 |
| virtual rainbow ltd | | | telecommunications violation | 2016 | UK-PSA | £250,000 |
| Coretech Promo Limited | | | telecommunications violation | 2016 | UK-PSA | £250,000 |
| TotalSolve Ltd | | | telecommunications violation | 2016 | UK-PSA | £250,000 |
| Mobile & E.Mails Limited | | | telecommunications violation | 2016 | UK-PSA | £250,000 |
| WAP Network Group Limited | | | telecommunications violation | 2014 | UK-PSA | £250,000 |
| JJP Mobile B.V. | | | telecommunications violation | 2014 | UK-PSA | £250,000 |
| Frontier Limited | | | telecommunications violation | 2014 | UK-PSA | £250,000 |
| Amectro Ltd | | | telecommunications violation | 2014 | UK-PSA | £250,000 |
| CommandM PTY. Limited | | | telecommunications violation | 2013 | UK-PSA | £250,000 |
| So Much Cheaper.com Ltd | | | telecommunications violation | 2013 | UK-PSA | £250,000 |
| Marketing Craze Limited | | | telecommunications violation | 2012 | UK-PSA | £250,000 |
| Transact Group (Holdings) Limited | | | telecommunications violation | 2011 | UK-PSA | £247,500 |
| BT Group plc | BT | telecommunications | consumer protection violation | 2020 | UK-OFCOM | £245,000 |
| E.On | E.ON | utilities and power generation | consumer protection violation | 2021 | UK-OFGEM | £238,884 |
| AG Communications Ltd. | | | anti-money-laundering deficiencies | 2022 | UK-GC | £237,600 |
| Bestbet Limited | | | gambling industry violation | 2019 | UK-GC | £230,972 |
| Newday Limited | NewDay Limited | financial services | privacy violation | 2018 | UK-ICO | £230,000 |
| Project Plug Limited | | | consumer protection violation | 2019 | UK-URNI | £228,541 |
| Project Plug Ltd t/a Click Energy | | | utility violation | 2019 | UK-NIAUR | £228,541 |
| Belfast Health and Social Care Trust | | | privacy violation | 2012 | UK-ICO | £225,000 |
| British Telecommunications Public Limited Company | BT | telecommunications | telecommunications violation | 2014 | UK-PSA | £225,000 |
| Teletext Limited | | | telecommunications violation | 2010 | UK-OFCOM | £225,000 |
| Les Croupiers Casino Limited | | | gambling industry violation | 2021 | UK-GC | £217,294 |
| Brazier Consulting Services Ltd | | | privacy violation | 2021 | UK-ICO | £200,000 |
| Tax Returned Limited | | | privacy violation | 2018 | UK-ICO | £200,000 |
| HCA International Ltd | HCA Healthcare | healthcare services | privacy violation | 2017 | UK-ICO | £200,000 |
| Help Direct UK Limited | | | privacy violation | 2015 | UK-ICO | £200,000 |
| Home Energy & Lifestyle Management Ltd | | | privacy violation | 2015 | UK-ICO | £200,000 |
| British Pregnancy Advice Service | | | privacy violation | 2014 | UK-ICO | £200,000 |
| Universal Utilities Limited dba Unicom | | | consumer protection violation | 2015 | UK-OFCOM | £200,000 |
| EDF Energy Customers Plc et al | EDF-Electricite de France | utilities and power generation | consumer protection violation | 2010 | UK-OFGEM | £200,000 |
| Mobtech UG | | | telecommunications violation | 2021 | UK-PSA | £200,000 |
| Premier Ventures fka Umbrella Support Limited | | | telecommunications violation | 2019 | UK-PSA | £200,000 |
| Net Real Solutions SL (Spain) | | | telecommunications violation | 2019 | UK-PSA | £200,000 |
| Global Awareness Ltd | | | telecommunications violation | 2019 | UK-PSA | £200,000 |
| PowerTel Limited | | | telecommunications violation | 2018 | UK-PSA | £200,000 |
| Halak Online Ltd | | | telecommunications violation | 2018 | UK-PSA | £200,000 |
| Browser Games Limited | | | telecommunications violation | 2017 | UK-PSA | £200,000 |
| GameNation (UK) Ltd | | | telecommunications violation | 2017 | UK-PSA | £200,000 |
| DSLB Ltd | | | telecommunications violation | 2016 | UK-PSA | £200,000 |
| Cloudspace Limited | | | telecommunications violation | 2016 | UK-PSA | £200,000 |
| Modena Solutions Limited | | | telecommunications violation | 2016 | UK-PSA | £200,000 |
| Idoru Technology Ltd | | | telecommunications violation | 2015 | UK-PSA | £200,000 |
| New SMS Media Ltd | | | telecommunications violation | 2015 | UK-PSA | £200,000 |
| Upright Line S.A. | | | telecommunications violation | 2013 | UK-PSA | £200,000 |
| We Buy Any Car Limited | | | privacy violation | 2021 | UK-ICO | £200,000 |
| Home2Sense Ltd. | | | privacy violation | 2022 | UK-ICO | £200,000 |
| Club TV Limited | | | telecommunications violation | 2020 | UK-OFCOM | £200,000 |
| ANO TV Novosti | | | telecommunications violation | 2019 | UK-OFCOM | £200,000 |
| Ariana Television and Radio Network | | | telecommunications violation | 2017 | UK-OFCOM | £200,000 |
| It's OK Ltd. | | | privacy violation | 2023 | UK-ICO | £200,000 |
| Cover Appliance Ltd | | | privacy violation | 2023 | UK-ICO | £200,000 |
| F12 Management Ltd | | | privacy violation | 2023 | UK-ICO | £200,000 |
| SSE | SSE PLC | utilities and power generation | consumer protection violation | 2018 | UK-OFGEM | £190,000 |
| Progress Play Limited | | | gambling industry violation | 2022 | UK-GC | £188,184 |
| Blackpool Teaching Hospitals NHS Foundation Trust | | | privacy violation | 2015 | UK-ICO | £185,000 |
| Apex Assure Limited | | | privacy violation | 2022 | UK-ICO | £184,000 |
| Repair & Assure Ltd | | | privacy violation | 2021 | UK-ICO | £180,000 |
| Advanced VoIP Solutions Limited | | | privacy violation | 2016 | UK-ICO | £180,000 |
| Chelsea & Westminster Hospital NHS Foundation Trust | | | privacy violation | 2016 | UK-ICO | £180,000 |
| FEP Heatcare Ltd | | | privacy violation | 2016 | UK-ICO | £180,000 |
| Instant Cash Loans Ltd trading as the Money Shop | | | privacy violation | 2015 | UK-ICO | £180,000 |
| Serious Fraud Office | | | privacy violation | 2015 | UK-ICO | £180,000 |
| Live Communications Limited | | | telecommunications violation | 2016 | UK-PSA | £180,000 |
| Bupa Insurance Services Limited | Bupa | healthcare services | privacy violation | 2018 | UK-ICO | £175,000 |
| Falcon & Pointer Limited | | | privacy violation | 2016 | UK-ICO | £175,000 |
| Staysure.co.uk Limited | | | privacy violation | 2015 | UK-ICO | £175,000 |
| First Financial (UK) Limited | | | privacy violation | 2013 | UK-ICO | £175,000 |
| Torbay Care NHS Trust | | | privacy violation | 2012 | UK-ICO | £175,000 |
| Post Office Limited | | | consumer protection violation | 2020 | UK-OFCOM | £175,000 |
| Intrugo Ltd. | | | telecommunications violation | 2018 | UK-PSA | £175,000 |
| Mobjizz Limited | | | telecommunications violation | 2014 | UK-PSA | £175,000 |
| Peekaboo Investments Ltd | | | telecommunications violation | 2014 | UK-PSA | £175,000 |
| Black Lion Marketing Ltd | | | privacy violation | 2020 | UK-ICO | £171,000 |
| Yes Consumer Solutions Limited | | | privacy violation | 2021 | UK-ICO | £170,000 |
| Colour Car Sales Ltd | | | privacy violation | 2021 | UK-ICO | £170,000 |
| Unicate Ltd | | | telecommunications violation | 2020 | UK-PSA | £170,000 |
| Heart Communications Limited | | | telecommunications violation | 2018 | UK-PSA | £165,000 |
| Project Plug Ltd t/a Click Energy | | | utility violation | 2018 | UK-NIAUR | £162,473 |
| Making it Easy Ltd | | | privacy violation | 2019 | UK-ICO | £160,000 |
| DM Design Bedrooms Ltd | | | privacy violation | 2018 | UK-ICO | £160,000 |
| Surestream Digital Limited | | | telecommunications violation | 2022 | UK-PSA | £160,000 |
| Moorhouse Group Limited | | | insurance violation | 2015 | UK-FCA | £159,300 |
| EU Lotto Limited dba Lottoland | | | gambling industry violation | 2017 | UK-GC | £159,000 |
| Hub Group Limited (The) | | | telecommunications violation | 2018 | UK-PSA | £155,820 |
| GAN (UK) Limited | | | gambling industry violation | 2020 | UK-GC | £152,754 |
| Poxell Ltd | | | privacy violation | 2024 | UK-ICO | £150,000 |
| House Guard UK Limited | | | privacy violation | 2021 | UK-ICO | £150,000 |
| Superior Style Home Improvements Ltd | | | privacy violation | 2019 | UK-ICO | £150,000 |
| Oaklands Assist UK Ltd | | | privacy violation | 2018 | UK-ICO | £150,000 |
