| 20 Stone Ventures Limited | Blackpool | 2025 |
| 20 Twenty Wealth Management Limited | Ashtead | 2016 |
| 20.31 Capital Management Ltd | London | 2025 |
| 20/20 Business Group Limited | Edinburgh | 2013 |
| 20/20 Holdings (South) Limited | Gillingham | 2025 |
| 20/20 Investments Ltd | Welham Green | 2012 |
| 20/20 Mortgage Services Ltd | Horsham | 2019 |
| 200 Degrees Holdings Limited | London | 2016 |
| 2000 Mortgages.Co.Uk Ltd | Plymouth | 2003 |
| 2016 Investment Limited | London | 2023 |
| 2017 Holdings Limited | Alford | 2025 |
| 2017ZEE Holds Ltd | Morden | 2024 |
| 202 Holdings Limited | London | 2023 |
| 2020 Finance Group Ltd | Macclesfield | 2018 |
| 2020 Financial Advice Limited | Shrewsbury | 2020 |
| 2020 Hold Co Ltd | Great Chesterford | 2023 |
| 2020 Holdings (England) Limited | Luton | 2015 |
| 2020 Holdings Limited | Reading | 2019 |
| 2020 Home Loans Limited | Chester | 2000 |
| 2020 Innovation Training Holdings Ltd | Birmingham | 2018 |
| 2020 NEWCO1 Ltd | Bolton | 2020 |
| 2020 NEWCO2 Ltd | Bolton | 2020 |
| 2020 NEWCO3 Ltd | Bolton | 2020 |
| 2020 Securities Limited | Shrewsbury | 2022 |
| 2020 Vision Group Limited | Nottingham | 2020 |
| 2020 Workhub Ltd | Plymouth | 2019 |
| 2020.02 Ltd | London | 2020 |
| 2020410 Limited | London | 1986 |
| 2022 HE Holding Ltd | London | 2022 |
| 2026 Group Ltd | Harlow | 2023 |
| 2026 Holdings Limited | Penrith | 2026 |
| 2026 Investments Ltd | Alloa | 2026 |
| 2034 Limited | Newcastle Under Lyme | 2020 |
| 2038 WRS Limited | Glasgow | 2011 |
| 2040 Capital Partners Ltd | Sevenoaks | 2026 |
| 2049 Holdings Limited | Farnham | 2022 |
| 2050 Group Limited | London | 2024 |
| 2055 Ltd | London | 2024 |
| 2061ALI Holdings Limited | Luton | 2025 |
| 207 Resolution Limited | Watford | 2025 |
| 208 Investments Limited | Antrim | 2023 |
| 2097 Holdings Limited | Lincoln | 2017 |
| 20:20 Financial Planning Ltd | Huddersfield | 2023 |
| 20G Partnerschaftskapital Ltd | London | 2025 |
| 20MM Limited | Cambridge | 2020 |
| 20SCHEMESRETRAIN C.I.C. | Edinburgh | 2021 |
| 20TWENTY Investments Limited | Wakefield | 2020 |
| 21 Davenport Road Coventry Limited | London | 2017 |
| 21 Finance & Associates Ltd | London | 2022 |
| 21 New Fraser Street Limited | London | 2015 |
| 21 SIX Investments Limited | Curdridge | 2020 |
| 21 SIX Platform Limited | Curdridge | 2021 |
| 21 WS Nominee Limited | London | 2019 |
| 21/7 Hyde Park Limited | Redhill | 2024 |
| 210 Investments Limited | London | 2019 |
| 210E3 Ltd | Sale | 2021 |
| 2112 Holdings Ltd | London | 2022 |
| 21159C Limited | Grantham | 2013 |
| 211S (Holdings) Ltd | Aberdeen | 2025 |
| 213 JAM Fiasco Limited | London | 2021 |
| 216 Finance Limited | Manchester | 2023 |
| 21ALC Ltd | Castleford | 2024 |
| 21C Digital Holdings Ltd. | Canterbury | 2021 |
| 21CFM Ltd | Carmarthen | 2024 |
| 21D Group Holdings Limited | Birchwood | 2022 |
| 21D Holdings Limited | Birchwood | 2021 |
| 21ST April Holdings Limited | Ilford | 2022 |
| 21ST Century Global Logistics Ltd | Eastleigh | 2014 |
| 21ST Century Holdings Ltd | Accrington | 2017 |
| 21ST Century Mortgage Finance Limited | Blackpool | 2014 |
| 21ST Century Motors Limited | Preston | 2014 |
| 21ST Century Television Holdings Limited | Kingston Upon Thames | 2017 |
| 22 DS Lease Limited | London | 2025 |
| 22 Holdco Limited | London | 2022 |
| 22 Investment Management Limited | Shrewsbury | 2020 |
| 22 Keys Ltd | Ilford | 2016 |
| 22 Knots Limited | London | 2020 |
| 22 Point 4 Limited | Hockley | 2019 |
| 22 Property Ltd | Manchester | 2022 |
| 22 Southend Road Management Company Ltd | West Wickham | 2020 |
| 22 Ventures Group Ltd | Liverpool | 2023 |
| 22 West Street Alresford Ltd | Wimborne | 2026 |
| 22 Woodborough Road Limited | London | 2017 |
| 220 Blackfriars Holdco Limited | London | 2022 |
| 2203 Ltd | Blackburn | 2022 |
| 2204 Holdings Limited | Edinburgh | 2022 |
| 2211 Holdings Ltd | Middlesbrough | 2023 |
| 2213 UK Holding Ltd | Cardiff | 2020 |
| 222 Group Ltd | Manchester | 2025 |
| 222 WSR Limited | Preston | 2025 |
| 2222 Holdings Ltd | Huntingdon | 2024 |
| 2222GROUP Limited | Romford | 2024 |
| 224 Group Ltd | Pudsey | 2025 |
| 224 Investments Ltd | Milton Keynes | 2020 |
| 225 City Limited | London | 2020 |
| 225 Ventures Ltd | Salford | 2025 |
| 229 Group Ltd | Walsall | 2025 |
| 229 Mitcham Lane Holding Limited | London | 2021 |
| 22KNIGHTS Ltd | Chatham | 2022 |
| 22VG Property Holding Ltd | Liverpool | 2025 |