| 9'ER Financial Limited | Lancaster | 2014 |
| 9.12 Holdings Limited | London | 2023 |
| 90 Degree H Ltd | Nantwich | 2025 |
| 90 Degrees (CG) Ltd | Nantwich | 2025 |
| 90 Eaton Place Limited | London | 2024 |
| 90 Fitzjohns Avenue Limited | London | 2017 |
| 90 Squared Ltd | Birmingham | 2022 |
| 9008 Holdings Ltd | London | 2026 |
| 901 Brickell Key Blvd 605 Ltd | London | 2020 |
| 90TF Limited | Edinburgh | 2022 |
| 912 Property Ltd | Birmingham | 2024 |
| 917 Holdings Limited | Brighton | 2024 |
| 928 Ltd | Broxburn | 2020 |
| 92834623434 Limited | Lytham St. Annes | 2026 |
| 93 Energy Investments 1 Limited | London | 2023 |
| 93 Holding Ltd | London | 2025 |
| 9392 Ltd | Manchester | 2024 |
| 94 Group Holdings Limited | London | 2022 |
| 94 JY Limited | Bradford | 2025 |
| 949 Investments Ltd | Louth | 2026 |
| 949 Unlimited | London | 2025 |
| 95 AM Ltd | Bury | 2022 |
| 95 Group Ltd | Southampton | 2025 |
| 95NCS 1 Limited | London | 2024 |
| 95NCS 2 Limited | London | 2024 |
| 96 Armstrong Ltd | Manchester | 2023 |
| 96 Partners Ltd | Birmingham | 2026 |
| 961 Holdings Limited | London | 2025 |
| 964 Holdings Limited | London | 2025 |
| 97 Creative Holdings Limited | London | 2024 |
| 97 Group Limited | Ramsgate | 2021 |
| 97 Holdings Ltd | Edgware | 2025 |
| 978 Finance Ltd | Lancaster | 2018 |
| 978 Group Ltd | Lancaster | 2013 |
| 978 Property Holdings Ltd | Lancaster | 2022 |
| 9786 Zaki Limited | Brentford | 2023 |
| 98 Buchanan Street Holdings Limited | Manchester | 2024 |
| 988 Capital Ltd | Harrogate | 2022 |
| 98BEAUTY Limited | Glasgow | 2025 |
| 98RH Holdings Ltd | Norwich | 2025 |
| 99 Acre Ltd | Harrow | 2016 |
| 99 Dream Limited | London | 2026 |
| 99 Hatherley Road Management Company Limited | | 2007 |
| 99% Proof Direct Marketing Limited | Brighton | 2005 |
| 999 Holdco Limited | Liverpool | 2021 |
| 999FOREX Ltd | Ruislip, | 2025 |
| 9CK Sports Holdings Limited | London | 2022 |
| 9INEFIGURES Ltd | Luton | 2020 |
| 9JAPAY Holding Company Limited | London | 2022 |
| 9LIVINGS Limited | London | 2022 |
| 9MILES47 Limited | St. Albans | 2026 |
| 9MONEY Limited | Nottingham | 2024 |
| 9NINETY Group Ltd | London | 2024 |
| 9ROK Limited | Oban | 2025 |
| 9SC Freehold Ltd | Sutton | 2025 |
| 9TB Limited | London | 2024 |
| 9X Group UK Limited | Hambrook | 2026 |
| 9Y Capital Limited | Brentwood | 2023 |
| 9Y Funding 1 Limited | Brentwood | 2023 |
| 9Y Funding 2 Limited | Brentwood | 2023 |
| 9Y Holdings Limited | Brentwood | 2023 |
| @Home Holdings Limited | Derby | 2020 |
| @Lpha Capital Limited | London | 2012 |
| @Sipp (Pension Trustees) Limited | Glasgow | 2001 |
| @Sipp Group Holdings Limited | Glasgow | 2022 |
| @Sipp Limited | Glasgow | 2001 |
| @Ssas (Pension Trustees) Ltd | Glasgow | 2001 |
| @Voytek Holdings Limited | Ashtead | 2018 |
| A King (Investments) Limited | London | 1964 |
| A & a Agricultural Contractors and Plant Hire Ltd | Todber | 2019 |
| A & a Automatics ( Holdings) Limited | Telford | 2024 |
| A & a Bahadur Limited | Eastbourne | 2024 |
| A & a Consultants Ltd | Belfast | 2025 |
| A & a Family Investment Company Limited | Liverpool | 2025 |
| A & a Financial Consulting Ltd | Leyton | 2026 |
| A & a Group Limited | Tadworth | 2025 |
| A & a Holdings and Management Consultancy Limited | Leicester | 2020 |
| A & a Hung Limited | Leigh-On-Sea | 2020 |
| A & a Invest Limited | Slough | 2021 |
| A & a Lodge Holdings Ltd | Halesowen | 2022 |
| A & a Mortgages Limited | Leicester | 2009 |
| A & a Trading Holdings Ltd | London | 2025 |
| A & a Walters Holdings Limited | Tipton | 2022 |
| A & a Wilcox Ltd | Peterborough | 2024 |
| A & B CH Holdings Limited | London | 2025 |
| A & B Financial Ltd | Liverpool | 2015 |
| A & B Flooring Holdings Ltd | London | 2019 |
| A & B Glass Group Limited | Sudbury | 2022 |
| A & B Orridge Ltd | Tamworth | 2023 |
| A & B Partnership Limited | Immingham | 2008 |
| A & B Properties Manchester Limited | Oldham | 2025 |
| A & B Properties Trafford Park Limited | Oldham | 2025 |
| A & C Contracts Group Holding Company Limited | Wolverhampton | 2023 |
| A & C Contracts Holdings Limited | Wolverhampton | 2023 |
| A & C Holdings (Halifax) Limited | Halifax | 2020 |
| A & C Holdings Bristol Limited | Bristol | 2026 |
| A & C Holdings Limited | Ryde | 2022 |
| A & C Properties Hampshire Ltd | Fareham | 2026 |
| A & C Property Estates Limited | Basingstoke | 2017 |
| A & C Rushton Ltd | Chadderton | 2014 |