| 7PERCENT Ventures GP Limited | London | 2018 |
| 7PERCENT Ventures Ltd | London | 2018 |
| 7PR Holdings Limited | London | 2023 |
| 7RIDGE Limited | London | 2018 |
| 7S Security & Event Management Ltd | Dewsbury | 2025 |
| 7SKY Security Limited | Ilford | 2026 |
| 7X Holdings Limited | London | 2025 |
| 7Y4 Group Ltd | Leeds | 2026 |
| 8 CS Limited | Chelmsford | 2015 |
| 8 Darnaway Street Limited | Edinburgh | 2019 |
| 8 Dover Street Holdings Ltd | London | 2025 |
| 8 Equity SPV Limited | London | 2025 |
| 8 Financial Planning Limited | Telford | 2021 |
| 8 Holdings Limited | Exeter | 2021 |
| 8 Hours Ahead Ltd | Matlock | 2019 |
| 8 Lions Holdings Ltd | Folkestone | 2024 |
| 8 Massive Limited | Ross-On-Wye | 2023 |
| 8 NR Limited | Derry | 2024 |
| 8 Over 7 Capital Ltd | Leighton Buzzard | 2015 |
| 8 PEG Limited | Keighley | 2000 |
| 8 Property Investments Limited | Birmingham | 2021 |
| 8 Ridge Holdings Limited | Manchester | 2026 |
| 8 Signals Group Limited | Newcastle Upon Tyne | 2024 |
| 8 Technology Group Ltd | Exeter | 2017 |
| 8 Topco Ltd | London | 2026 |
| 8 Ventures Group Ltd | London | 2026 |
| 8 X 51 Limited | Farnborough | 2025 |
| 80 Charlwood Street Ltd | London | 2025 |
| 80 Eaton Square Limited | Beaconsfield | 2022 |
| 80 Financial Holdings US Ltd | London | 2023 |
| 80 Holdings Limited | Glasgow | 2020 |
| 80 Twenty Consultancy Limited | London | 2005 |
| 80'S Casual Classics Holdings Limited | Bedford | 2024 |
| 80-85 TCR Holdings Limited | London | 2026 |
| 801 Holdings Limited | Nottingham | 2024 |
| 8013B Limited | Lincoln | 2019 |
| 808 Investments Ltd | London | 2024 |
| 80VIN Ltd | Glasgow | 2021 |
| 81 Sports Services Limited | London | 2020 |
| 812 Holdings Limited | Brighton | 2026 |
| 82 Group Ltd | Calne | 2021 |
| 82-35 Holdco Limited | North Ferriby | 2020 |
| 824 Group Ltd | Milton Keynes | 2019 |
| 82SS Ltd | Nantwich | 2026 |
| 834 Co Limited | Blackheath | 2023 |
| 84 FX Limited | London | 2025 |
| 842 Investments | Kingswinford | 2024 |
| 848 Holdings Limited | Stafford | 2014 |
| 85 Degrees Renewable Holding Limited | Barnet | 2021 |
| 85 Degrees Renewable Management Holding Limited | Barnet | 2026 |
| 86 Holdings Limited | Preston | 2025 |
| 8633 Limited | London | 2021 |
| 8699 Investments Ltd | Dagenham | 2025 |
| 87 Gallery Limited | Hull | 2021 |
| 87 Investments Limited | London | 2019 |
| 87 Lakeside 1 Limited | London | 2022 |
| 8788 Ltd | London | 2019 |
| 87BCO Limited | Wimborne | 2024 |
| 87KJ Capital Limited | Somercotes | 2023 |
| 88 Capital Wealth Management Ltd | Bidford On Avon | 2023 |
| 88 East Ltd | London | 2026 |
| 88 Finance Limited | East Grinstead | 2025 |
| 88 Hudson Limited | Esher | 2015 |
| 88.LEGAL Limited | London | 2025 |
| 8808 Capital Limited | Grantham | 2011 |
| 8848 Communications Holdings Ltd | Wolverhampton | 2023 |
| 8848 Holdings Limited | London | 2026 |
| 8848 Momohouse UK Ltd | Aldershot | 2025 |
| 888 Capital Ltd | Manchester | 2025 |
| 888 Capital Ventures Ltd | Hayes | 2022 |
| 888 UK Interactive Holdings Limited | London | 2020 |
| 888 VHL UK Holdings Limited | London | 2020 |
| 8888 Investments Limited | Birmingham | 2013 |
| 88HOLDINGS Limited | London | 2025 |
| 89 Advisory Ltd | London | 2026 |
| 89 Elms Capital Limited | Harrow | 2025 |
| 89 Investments Ltd | Waltham Cross | 2023 |
| 89 Moseley Wood Drive Limited | Leeds | 2026 |
| 899 Enterprises Limited | Chester | 2023 |
| 8BUILD Group Limited | London | 2019 |
| 8C Financial Services Ltd | Barry | 2016 |
| 8DUK Group Limited | York | 2021 |
| 8F Investment Partners Ltd | London | 2018 |
| 8I Limited | Chesham | 2026 |
| 8IGHTY 9INE Ltd | Chinnor | 2022 |
| 8KAIZEN8 Ltd | London | 2024 |
| 8M Holdings Limited | Perry Barr | 2020 |
| 8RC Holding Limited | London | 2026 |
| 8SEP Limited | London | 2025 |
| 8TH Gear Holdings Limited | Mansfield | 2026 |
| 8TH Wonder Holdings Ltd | Wigan | 2017 |
| 8TH Wonder Ventures Limited | London | 2025 |
| 8TM Capital Limited | Winnersh | 2023 |
| 8X Holdings Limited | Hull | 2026 |
| 8X8 UK Investments Limited | London | 2013 |
| 9 Batoum Ltd | London | 2021 |
| 9 Green Street Freehold Limited | London | 2016 |
| 9 GT Ltd | Liverpool | 2023 |
| 9 JNC Ltd | Rustington | 2022 |
| 9 Venture Investments Ltd | London | 2021 |