| Fio's Cash and Carry Ltd | | | tax violations | 2019 | UK-HMRC | £471,352 |
| Vadgets | | | tax violations | 2019 | UK-HMRC | £424,568 |
| Horizon Security Services Ltd | | | tax violations | 2019 | UK-HMRC | £384,743 |
| Ascot Electrical Cables Ltd | | | tax violations | 2019 | UK-HMRC | £356,152 |
| Uhold Ltd | | | tax violations | 2019 | UK-HMRC | £347,349 |
| Beaumont Contracts Ltd. fka Linton Contractors Ltd and Linton Decorators Ltd | | | tax violations | 2019 | UK-HMRC | £318,746 |
| Shenzhen Yuanbei Technologies Co. Ltd | | | tax violations | 2019 | UK-HMRC | £259,497 |
| J P Products (Kidderminster) Ltd | | | tax violations | 2019 | UK-HMRC | £225,267 |
| ICD Electrical Ltd | | | tax violations | 2019 | UK-HMRC | £213,505 |
| Cafe Cod | | | tax violations | 2019 | UK-HMRC | £212,430 |
| L UK Builders Ltd | | | tax violations | 2019 | UK-HMRC | £205,924 |
| The Beer and Wine Company Ltd dba Gianluca Drinks | | | tax violations | 2019 | UK-HMRC | £179,465 |
| Taram Ltd dba Caledonian Kebab | | | tax violations | 2019 | UK-HMRC | £178,523 |
| First Stop Shop Ltd dba First Stop Service Station | | | tax violations | 2019 | UK-HMRC | £172,777 |
| Ethical Developments UK Ltd | | | tax violations | 2019 | UK-HMRC | £154,779 |
| Vero Gusto Limited fka Cafe Guso Ltd. | | | tax violations | 2019 | UK-HMRC | £142,924 |
| Ayana & Co Ltd dba Purbani Netley | | | tax violations | 2019 | UK-HMRC | £122,149 |
| Mediterranean Commercial Catering Ltd dba Lemon Tree dba Il Palazzo | | | tax violations | 2019 | UK-HMRC | £121,007 |
| C E Mechanical Services | | | tax violations | 2019 | UK-HMRC | £108,292 |
| Tomtop Supplies Limited | | | tax violations | 2019 | UK-HMRC | £104,955 |
| D Chicken Ltd | | | tax violations | 2019 | UK-HMRC | £98,514 |
| Ballards Wok Limited | | | tax violations | 2019 | UK-HMRC | £91,558 |
| Scream Wholesale Ltd | | | tax violations | 2019 | UK-HMRC | £87,911 |
| Correia Limited dba Il Castello | | | tax violations | 2019 | UK-HMRC | £85,477 |
| Favorite Chicken Hatfield Ltd | | | tax violations | 2019 | UK-HMRC | £84,454 |
| Energy Fitness Professionals Ltd | Totally PLC | healthcare services | tax violations | 2019 | UK-HMRC | £82,512 |
| Beaumont Street Ltd | | | tax violations | 2019 | UK-HMRC | £82,125 |
| Acoustic Fire Seal Ltd | | | tax violations | 2019 | UK-HMRC | £81,893 |
| E Burns Communications Limited | | | tax violations | 2019 | UK-HMRC | £78,047 |
| Baharmordan Ltd dba Mint Leaf Indian Brasserie | | | tax violations | 2019 | UK-HMRC | £76,096 |
| Data Lake Limited (Formerly Hello Soda Asia Limited) | | | tax violations | 2019 | UK-HMRC | £66,835 |
| D M Labour Services Ltd | | | tax violations | 2019 | UK-HMRC | £64,099 |
| Ryan Bailey Groundworks Ltd | | | tax violations | 2019 | UK-HMRC | £56,755 |
| Bakus (UK) Ltd | | | tax violations | 2019 | UK-HMRC | £53,870 |
| Linxs First Choice Scaffolding Ltd | | | tax violations | 2019 | UK-HMRC | £51,219 |
| Snowland Leisure Group Ltd | | | tax violations | 2019 | UK-HMRC | £50,026 |
| Rocketek Inc dba Rocketek UK | | | tax violations | 2019 | UK-HMRC | £48,531 |
| Rhythm and Booze | | | tax violations | 2019 | UK-HMRC | £43,105 |
| The District Arms | | | tax violations | 2019 | UK-HMRC | £42,955 |
| Benassi & Company Ltd dba Slice | | | tax violations | 2019 | UK-HMRC | £41,925 |
| Powell Floors Limited | | | tax violations | 2019 | UK-HMRC | £35,042 |
| Gerry Food and Wine Ltd dba Gerry's Food and Wine | | | tax violations | 2019 | UK-HMRC | £34,043 |
| Cece Cornwall Ltd dba Funky's | | | tax violations | 2019 | UK-HMRC | £32,088 |
| Yi Liu Eatery Ltd dba Dragon Inn | | | tax violations | 2019 | UK-HMRC | £30,728 |
| Horsefair Tavern | | | tax violations | 2019 | UK-HMRC | £27,061 |
| DMD Leisure Limited dba Le D2 | | | tax violations | 2019 | UK-HMRC | £26,491 |
| Parkside Real Estate | | | tax violations | 2019 | UK-HMRC | £25,572 |
| Shampan of Cardigan Ltd | | | tax violations | 2019 | UK-HMRC | £25,229 |
| Red Gurkha Ltd dba Annapurna | | | tax violations | 2019 | UK-HMRC | £22,954 |
| Shen Zhen Shi Chuang jiahui Dian Zi Shang Wuyou Xian Gong Si | | | tax violations | 2019 | UK-HMRC | £22,108 |
| Eastend Newsagent | | | tax violations | 2019 | UK-HMRC | £20,407 |
| Midnight Cafe Ltd dba Flames | | | tax violations | 2019 | UK-HMRC | £20,269 |
| Haci Boo Ltd dba Oakleigh Kebab House | | | tax violations | 2019 | UK-HMRC | £20,164 |
| Apton Projects Limited | | | tax violations | 2019 | UK-HMRC | £20,106 |
| JDG Electrical Services | | | tax violations | 2019 | UK-HMRC | £20,073 |
| Isarn Ltd | | | tax violations | 2019 | UK-HMRC | £19,921 |
| HBACS Ltd | | | tax violations | 2019 | UK-HMRC | £19,816 |
| O.C.O. Glenrothes Limited dba Pizza Hut Franchise | | | tax violations | 2019 | UK-HMRC | £19,351 |
| Sterte Print Limited | | | tax violations | 2019 | UK-HMRC | £18,721 |
| Woldwaste Ltd | | | tax violations | 2019 | UK-HMRC | £16,980 |
| Yours Fashion Jewelry Ltd | | | tax violations | 2019 | UK-HMRC | £16,952 |
| Chinese Business Gazette Ltd | | | tax violations | 2019 | UK-HMRC | £14,558 |
| Dartford Metal Works Ltd | | | tax violations | 2019 | UK-HMRC | £14,467 |
| Raleigh Adhesive Coatings Limited | | | tax violations | 2019 | UK-HMRC | £14,248 |
| Nail Express | | | tax violations | 2019 | UK-HMRC | £13,615 |
| DSC Fitting & Supplies | | | tax violations | 2019 | UK-HMRC | £13,474 |
| HB Accountancy and Consultancy Services Ltd | | | tax violations | 2019 | UK-HMRC | £12,928 |
| JKL (Wakefield) Ltd | | | tax violations | 2019 | UK-HMRC | £16,432,386 |
| Mumbai Junction Ltd | | | tax violations | 2019 | UK-HMRC | £626,462 |
| Maythorne Homes Ltd | | | tax violations | 2019 | UK-HMRC | £425,781 |
| Brian Hughes and Sons | | | tax violations | 2019 | UK-HMRC | £384,010 |
| Nachi Ltd | | | tax violations | 2019 | UK-HMRC | £329,505 |
| Shawty Trading Ltd | | | tax violations | 2019 | UK-HMRC | £304,184 |
| Mr Food Design Limited | | | tax violations | 2019 | UK-HMRC | £232,482 |
| Guangzhou Wenyi Communication Equipment Co Ltd | | | tax violations | 2019 | UK-HMRC | £229,938 |
| Sure Trading Limited | | | tax violations | 2019 | UK-HMRC | £227,234 |
| Graphics Technology Limited dba Hulon | | | tax violations | 2019 | UK-HMRC | £194,582 |
| Belvedere Homes (UK) Ltd | | | tax violations | 2019 | UK-HMRC | £172,042 |
| Accessorise Phone dba Smithy07 | | | tax violations | 2019 | UK-HMRC | £161,436 |
| Claremont Homes (UK) Limited | | | tax violations | 2019 | UK-HMRC | £146,418 |
| Roma Mini Market Ltd | | | tax violations | 2019 | UK-HMRC | £135,294 |
| O.B. Gallery Limited | | | tax violations | 2019 | UK-HMRC | £125,393 |
| ST Takeaway Ltd dba Marmaris Kebab House | | | tax violations | 2019 | UK-HMRC | £115,721 |
| Gooseberry Online Ltd | | | tax violations | 2019 | UK-HMRC | £109,137 |
| UEE Technology Co Limited | | | tax violations | 2019 | UK-HMRC | £107,439 |
| CWJ Developments Ltd | | | tax violations | 2019 | UK-HMRC | £101,972 |
| Shenzhen Shi Chenghaoming Kejiyouxiangongsi | | | tax violations | 2019 | UK-HMRC | £95,900 |
| Imperial Construction Recruitment Ltd | | | tax violations | 2019 | UK-HMRC | £93,297 |
| Mett&i Limited | | | tax violations | 2019 | UK-HMRC | £88,463 |
| Charlie Chans | | | tax violations | 2019 | UK-HMRC | £85,193 |
| Georgiou & Co. Limited | | | tax violations | 2019 | UK-HMRC | £84,037 |
| Ask Catering Ltd dba The Village Curry House | | | tax violations | 2019 | UK-HMRC | £83,263 |
| Theale Tandoori Ltd | | | tax violations | 2019 | UK-HMRC | £77,799 |
| Waverling Limited dba Leonardo's | | | tax violations | 2019 | UK-HMRC | £76,356 |
| Paving and Building Contractors Ltd | | | tax violations | 2019 | UK-HMRC | £73,882 |
| Interactive Asset Management Ltd dba Interactive Business Technology Limited | | | tax violations | 2019 | UK-HMRC | £70,008 |
| C And D Trading Group Inc dba Supreme Value | | | tax violations | 2019 | UK-HMRC | £62,468 |
| Blaze Tanning | | | tax violations | 2019 | UK-HMRC | £61,158 |
| R & P McDonald LTD | | | tax violations | 2019 | UK-HMRC | £59,041 |
| Bluevale Structures Ltd | | | tax violations | 2019 | UK-HMRC | £57,709 |
| Y Construction Ltd | | | tax violations | 2019 | UK-HMRC | £57,686 |
