| Haysmacintyre LLP | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £8,015 |
| Haysmacintyre LLP | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £5,319 |
| Hawksford Trust Company Jersey Limited | | | banking violation | 2021 | UK-JFSC | £0 |
| Hawkfield Investment Ltd | | | tax violations | 2018 | UK-HMRC | £129,176 |
| Hawk Rentals Ltd | | | tax violations | 2019 | UK-HMRC | £39,098 |
| Hawk Logistics Ltd | | | tax violations | 2019 | UK-HMRC | £28,243 |
| Haweli Twyford Ltd | | | tax violations | 2019 | UK-HMRC | £240,095 |
| Hattens Solicitors Limited | | | anti-money-laundering deficiencies | 2023 | UK-SRA | £13,300 |
| Hatfield & John Ltd | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £2,230 |
| Hatam & Co Accountancy Service Provider (ASP) | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £1,000 |
| Hastings International UK Limited | | | anti-money-laundering deficiencies | 2014 | UK-OFT | £47,966 |
| Hartwood Ltd | | | tax violations | 2018 | UK-HMRC | £85,966 |
| Hartel Ltd | | | tax violations | 2020 | UK-HMRC | £652,197 |
| Hart Shaw | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £11,018 |
| Harrisons Lettings & Management Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £14,000 |
| Harrison Holt | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £1,000 |
| Harris Bassett Limited | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £8,750 |
| Harris & Co Limited | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £350 |
| Harpers (Wetwang) Ltd | | | tax violations | 2020 | UK-HMRC | £172,902 |
| Harpers (Market Weighton) Ltd | | | tax violations | 2020 | UK-HMRC | £133,457 |
| Harpers (Brandesburton) Ltd | | | tax violations | 2020 | UK-HMRC | £260,404 |
| Harpers (A64) Limited | | | tax violations | 2020 | UK-HMRC | £57,560 |
| Harikrishan's Kitchen | | | tax violations | 2020 | UK-HMRC | £42,856 |
| Hargreave Music Management ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,439 |
| Hargreave Hale Ltd | | | insider trading | 2019 | UK-FCA | £306,300 |
| Hard Hat Logistics Limited | | | tax violations | 2020 | UK-HMRC | £45,460 |
| Happy Time 168 Ltd | | | tax violations | 2021 | UK-HMRC | £22,300 |
| Happy Sales Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £7,000 |
| Happy Meal | | | tax violations | 2023 | UK-HMRC | £102,795 |
| Happy House (Ely) Limited | | | tax violations | 2020 | UK-HMRC | £67,676 |
| Happy Garden Takeaway | | | tax violations | 2022 | UK-HMRC | £91,650 |
| Happiness Food Ltd fka Chopsticks | | | tax violations | 2022 | UK-HMRC | £23,369 |
| Hansard Limited | | | anti-money-laundering deficiencies | 2021 | UK-GFSC | £140,000 |
| Hansar and Co Limited dba Caddy Fried Chicken Takeaway | | | tax violations | 2017 | UK-HMRC | £46,696 |
| Hang up Pictures Limited AMP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £13,000 |
| Handyman Scott | | | tax violations | 2017 | UK-HMRC | £33,369 |
| Handsome Dog Ltd t/a Handsome Dog Pub Co | | | tax violations | 2023 | UK-HMRC | £42,000 |
| Hammonds Consultants Ltd | | | accounting fraud or deficiencies | 2022 | UK-ICAEW | £2,100 |
| Hamilton Graham Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,700 |
| Halo Trading Limited | | | tax violations | 2017 | UK-HMRC | £492,707 |
| Halls Property Group Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £1,100 |
| Hallam Solicitors | | | anti-money-laundering deficiencies | 2022 | UK-SRA | £2,600 |
| Hall FM Security Limited | | | tax violations | 2017 | UK-HMRC | £30,114 |
| Hall Brickwork Limited | | | tax violations | 2021 | UK-HMRC | £276,711 |
| Haiwai Consulting Ltd ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| Haines Watts Wirral Limited | | | accounting fraud or deficiencies | 2019 | UK-ICAEW | £11,655 |
| Haines Watts Leeds LLP | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £56,251 |
| Haines Watts Farnborough LLP | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £67,500 |
| Haines Watts Exeter LLP | | | accounting fraud or deficiencies | 2016 | UK-ICAEW | £15,613 |
| Haines Watts Chester Limited | | | accounting fraud or deficiencies | 2024 | UK-ICAEW | £4,000 |
| Haines Watts Birmingham LLP | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £4,136 |
| Haci Boo Ltd dba Oakleigh Kebab House | | | tax violations | 2019 | UK-HMRC | £20,164 |
| Habitat SPV Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £3,200 |
| Habibi Exchange Limited MSB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £29,721 |
| Habib Bank AG Zurich | | | anti-money-laundering deficiencies | 2012 | UK-FSA | £525,000 |
| H.L. Barnes & Sons | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £700 |
| H Miller Limited | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £1,000 |
| H Lucky House Limited dba Golden Valley | | | tax violations | 2022 | UK-HMRC | £16,870 |
| H Barnes & Co Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,750 |
| H & H Security Services Ltd | | | tax violations | 2018 | UK-HMRC | £27,735 |
| Gwaddol Accounting Ltd ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £5,600 |
| GVM Scarborough Ltd | | | tax violations | 2020 | UK-HMRC | £128,595 |
| Guy Fallows Enterprises Limited | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £350 |
| Guspa Ltd | | | tax violations | 2017 | UK-HMRC | £36,917 |
| Gurus House Of Luxury Ltd | | | tax violations | 2023 | UK-HMRC | £18,824 |
| Guru Baba Limited | | | tax violations | 2016 | UK-HMRC | £42,992 |
| Gurnard Pines Sales And Lettings Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £4,500 |
| Gurmail Construction Ltd | | | tax violations | 2023 | UK-HMRC | £312,400 |
| Gurkha Kitchen | | | tax violations | 2018 | UK-HMRC | £29,267 |
| Gurkha Khukuri Ltd dba The Gurkha | | | tax violations | 2018 | UK-HMRC | £180,247 |
| Guri Contractors UK Limited | | | tax violations | 2023 | UK-HMRC | £54,025 |
| Guilfoyle, Sage & Co | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £29,115 |
| Guilfoyle, Sage & Co | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £2,000 |
| Guernsey Insurance Brokers Limited | | | investor protection violation | 2014 | UK-GFSC | £8,000 |
| Guernsey Financial Consultants Limited | | | investor protection violation | 2015 | UK-GFSC | £42,000 |
| Guaranty Trust Bank (UK) Limited | Guaranty Trust Bank PLC | financial services | anti-money-laundering deficiencies | 2013 | UK-FCA | £525,000 |
| Guaranty Trust Bank (UK) Limited | Guaranty Trust Bank PLC | financial services | anti-money-laundering deficiencies | 2023 | UK-FCA | £7,671,800 |
| Guangzhou Xuqiao Trading Ltd | | | tax violations | 2018 | UK-HMRC | £208,040 |
| Guangzhou Wenyi Communication Equipment Co Ltd | | | tax violations | 2019 | UK-HMRC | £229,938 |
| Guangzhou Tongqiao Trade Company | | | tax violations | 2020 | UK-HMRC | £45,855 |
| Guangzhou City Qianluo Trading Co Ltd dba La Isla | | | tax violations | 2018 | UK-HMRC | £143,577 |
| GT Restaurants Limited | | | tax violations | 2018 | UK-HMRC | £37,362 |
| GSW Accounting Services Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,100 |
| GSL Agents Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £13,400 |
| GS Trading VI (Chesterfield) Ltd dba The Chesterfield Hotel | | | tax violations | 2017 | UK-HMRC | £130,258 |
| Grundy Homes Ltd | | | tax violations | 2018 | UK-HMRC | £23,089 |
| Grow Cleaning Ltd | | | tax violations | 2023 | UK-HMRC | £141,902 |
| Groundwork Landscapes | | | tax violations | 2022 | UK-HMRC | £24,363 |
| Grosvenor Hill Estates Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £1,500 |
| Griffiths Marshall | | | accounting fraud or deficiencies | 2022 | UK-ICAEW | £7,000 |
| Grenfell James Audit LLP | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £821 |
| Gregory Priestley & Stewart | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £22,695 |
| Gregory Brady Motors | | | tax violations | 2022 | UK-HMRC | £68,626 |
| Greenlight Capital Inc. | | | insider trading | 2012 | UK-FSA | £3,650,795 |
| Greengrass | | | tax violations | 2018 | UK-HMRC | £14,165 |
| Greenback Alan LLP | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £700 |
| Greenaway Residential Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £13,000 |
| Green Spectrum Limited | | | tax violations | 2024 | UK-HMRC | £52,731 |
| Green Man (The) | | | tax violations | 2017 | UK-HMRC | £26,639 |
| Great Fortune | | | tax violations | 2022 | UK-HMRC | £72,126 |
| Graylaw International Freight Group Ltd | | | tax violations | 2017 | UK-HMRC | £86,667 |
