| 2 Hart's Ltd | Leeds | 2025 |
| 2 Hayes Avenue (Bournemouth) Freehold Limited | Bournemouth | 2000 |
| 2 Hearts Health Care Limited | Bexhill-On-Sea | 2022 |
| 2 Impress Ltd | Alexandria | 2014 |
| 2 in Tents Marquee Hire Limited | Faversham | 2014 |
| 2 Innovative Packaging Ltd | Leicester | 2024 |
| 2 J'S Travel Limited | Wedmore | 2005 |
| 2 Lancaster Grove (Management) Limited | London | 1993 |
| 2 Little Ducks Limited | Macclesfield | 2016 |
| 2 Locally Limited | High Wycombe | 2020 |
| 2 M Partnership Limited | Kidwelly | 2006 |
| 2 Mennie Cooks Limited | Inverurie | 2010 |
| 2 Nite Ltd | Portslade | 2015 |
| 2 of a Kind Cleaning Company Ltd | Huddersfield | 2025 |
| 2 Oxford Road Property Maintenance Ltd | Exeter | 2018 |
| 2 Plan Limited | Leeds | 2008 |
| 2 Priory Houses Ltd | Hastings | 2017 |
| 2 R'S Trading Ltd | Wimborne | 2021 |
| 2 Recruitment Specialists Ltd | Ilford | 2017 |
| 2 Rent Global Limited | London | 2012 |
| 2 Rent UK Limited | Newton-Le-Willows | 2008 |
| 2 Rochfort Place Bath Management Company Limited | Bath | 1990 |
| 2 Shineshine Ltd | Newcastle | 2021 |
| 2 Store Ltd | Bolton | 2020 |
| 2 Strategy Ltd | London | 2025 |
| 2 Tone Commercial & Home Ltd | Bo'Ness | 2026 |
| 2 Toni Ltd | Hove | 2023 |
| 2 Touch BPO Services Ltd | London | 2014 |
| 2 Travel 2 Ltd | Harlow | 2022 |
| 2 Way Leisure Ltd | Peterhead | 2016 |
| 2'ZZ Plenty Cleaning/ Removals Ltd | Chippenham | 2023 |
| 2, 4, 6 and 8 Brunswick Street West Limited | Brighton | 2014 |
| 2-1-3 (Global)Investigations and Consultancy Ltd | Barnard Castle | 2022 |
| 2-24 Netherend Lane and 192-210 Apperley Way Halesowen RTM Company Limited | Shrewsbury | 2010 |
| 2-4 OQS Limited | London | 2022 |
| 2-BIT Entertainment Company Limited | Renfrew | 2024 |
| 2-RECRUIT Ltd | Newbury | 2017 |
| 2-TONE Entertainment Limited | London | 2014 |
| 2.0 & Partners Ltd | Potters Bar | 2016 |
| 2.0 Administration Ltd | Doncaster | 2022 |
| 2.PLO Ltd | Aylesford | 2023 |
| 20 & Twenty Services Limited | London | 2016 |
| 20 Bridge Street Limited | Bedford | 2022 |
| 20 DSL Limited | Maidstone | 2023 |
| 20 Fenchurch Street (GP) Limited | London | 2010 |
| 20 Fenchurch Street Nominee NO. 2 Limited | London | 2010 |
| 20 Fenchurch Street Nominee NO.1 Limited | London | 2010 |
| 20 Great Stanhope Street Limited | Gloucester | 2002 |
| 20 Mansfield Road Limited | London | 2017 |
| 20 Marigold Limited | Bedford | 2023 |
| 20 Marlborough Road, London N19 Limited | London | 2009 |
| 20 Montpelier Court Ltd | Bristol | 2017 |
| 20 Nelson Road RTM Company Limited | London | 2012 |
| 20 Nightingale Road, Southsea, Residents Association Ltd | Hampshire | 1994 |
| 20 the Circus Bath Limited | | 1991 |
| 20 Twenty Initiative CIC | London | 2024 |
| 20 Twenty Limited | Manchester | 2010 |
| 20 Victoria Road (Plymouth) Limited | Newquay | 2017 |
| 20 Watkin Terrace (Northampton) Freehold Limited | Northampton | 2020 |
| 20 Ways Ltd. | London | 2014 |
| 20-20 Accounts Ltd | Highbridge | 2016 |
| 20-20 Promotions Limited | Wakefield | 2025 |
| 20-20 Stocks Ltd | Highbridge | 2016 |
| 20/20 Cleaning Ltd | Bourne | 2007 |
| 20/20 Cleaning Services Ltd | Norwich | 2024 |
| 20/20 Ehealth Limited | Bury | 2012 |
| 20/20 Fitness Hire Limited | Warmley | 2016 |
| 20/20 Intellectual Property Limited | New Town | 2009 |
| 20/20 LDN Ltd | London | 2016 |
| 20/20 Limited | Birmingham | 1988 |
| 20/20 Sharp Vision Limited | London | 2017 |
| 20/20 Window Cleaning Ltd | Norwich | 2025 |
| 20/21 Art Fair Limited | London | 2018 |
| 20/80 Limited | London | 2017 |
| 200 Degrees Franchising Limited | London | 2015 |
| 200 North Green UK Limited | London | 2016 |
| 2000 BC Publishing Ltd | Lewes | 2012 |
| 2001 Fraser Investment Company | Edinburgh | 2023 |
| 2001 Travel Limited | London | 1983 |
| 2002 Studios Media Limited | London | 2011 |
| 2008 Franchised Business Ltd | Stevenage | 2008 |
| 2010 Machinery Ltd | Weston-Super-Mare | 2010 |
| 2012 Security Ltd | London | 2009 |
| 2015 Security Services Ltd | London | 2015 |
| 2016 Crest Holding Limited | London | 2016 |
| 2017 Investments Ltd | Camberley | 2017 |
| 20170418 Limited | Ipswich | 2017 |
| 20170419 Limited | Ipswich | 2017 |
| 2018 Truck Driver Limited | Maidstone | 2019 |
| 202 Music Limited | Sheffield | 2008 |
| 202 Specialist Operations Ltd | Darlington | 2026 |
| 2020 AD Limited | Sheffield | 2000 |
| 2020 Assist Ltd | Swansea | 2019 |
| 2020 Cyber Investigations Limited | Harpenden | 2020 |
| 2020 Detailing Limited | Oldbury | 2020 |
| 2020 Digital Recruitment Solutions Limited | Macclesfield | 2019 |
| 2020 Display Limited | Trowbridge | 2019 |
| 2020 Financial Ltd | Reading | 2007 |
| 2020 Marquee and Events Essentials Hire Limited | Dagenham | 2023 |
| 2020 PAY Limited | Wynyard | 2018 |