| & Halt Brighton Limited | Wholesale & retail | 2024 |
| & Halt Limited | Wholesale & retail | 2021 |
| &Smile Tablets Limited | Manufacturing | 2021 |
| 'Save OUR Capability Brown Heritage Wimbledon Park' Ltd | Information & communication | 2022 |
| 02350852 Limited | Information & communication | 1989 |
| 03609414 Limited | Transport & logistics | 1998 |
| 06885151 Realisations Limited | Wholesale & retail | 2009 |
| 07371658 Ltd | Information & communication | 2010 |
| 0X 0000 Dead Beef Cafe Ltd | Information & communication | 2024 |
| 1 Ashhurst Avenue Management Company Limited | Hospitality | 2019 |
| 1 Brittany Road Limited | Real estate | 2015 |
| 1 Buckingham Road Ltd | Real estate | 1996 |
| 1 Denmark Terrace (Freehold) Limited | Administrative & support | 2016 |
| 1 First Avenue Hove Management Company Limited | Households | 1990 |
| 1 Foot in Reality Limited | Professional & scientific | 2025 |
| 1 Gladstone Terrace Limited | Households | 2001 |
| 1 Mall Villas (London W6) Limited | Households | 2021 |
| 1 Millers Road (Brighton) Freehold Limited | Households | 2012 |
| 1 Neutral Ltd | Construction | 2013 |
| 1 Norfolk Terrace (Brighton) Limited | Households | 2009 |
| 1 Norway Street Freeholders Limited | Households | 2024 |
| 1 Page Websites Ltd | Information & communication | 2023 |
| 1 Podmore Road Management Company Limited | Households | 2023 |
| 1 Unified Collaborations Limited | Professional & scientific | 2006 |
| 1 Vernon Terrace Brighton Limited | Households | 1997 |
| 1 Walpole Terrace Brighton Limited | Real estate | 2005 |
| 1 Westbourne Grove Hove Limited | Households | 2021 |
| 1&3 Saltdean Drive Limited | Households | 2023 |
| 1/1A ST Aubyns Road Management Company Limited | Households | 2025 |
| 10 Bath Street (Brighton) Limited | Households | 2009 |
| 10 Brunswick Terrace Hove Limited | Households | 1996 |
| 10 Compton Avenue Limited | Households | 2023 |
| 10 Fernhurst Road (SW6) Limited | Households | 2025 |
| 10 Marine Square Brighton Limited | Hospitality | 1994 |
| 10 Market Street Limited | Wholesale & retail | 2007 |
| 10 Print Games Ltd | Information & communication | 2024 |
| 10 Upper Hamilton Road Brighton Management Company Limited | Households | 2023 |
| 10 Vernon Terrace Brighton Limited | Households | 2004 |
| 10 Windmill Street Brighton Limited | Households | 1996 |
| 10 York Road (Hove) Limited | Households | 2016 |
| 10-12 Nicholson Place (Rottingdean) Freehold Limited | Households | 2026 |
| 10/11 Montpelier Place Brighton Limited | Professional & scientific | 1999 |
| 100/100A Stanford Avenue (Management) Ltd | Households | 2011 |
| 101 Conway Limited | Real estate | 2003 |
| 101 Roundhill Crescent Limited | Households | 2019 |
| 103 Roundhill Crescent Freehold Limited | Households | 2026 |
| 104 Edward Street Brighton Limited | Households | 2017 |
| 104 Islingword Road Brighton Limited | Households | 2007 |
| 104 Marine Parade (Brighton) Limited | Real estate | 2006 |
| 10465413 Limited | Professional & scientific | 2016 |
| 10537574 Limited | Other services | 2016 |
| 106 Sackville Road Limited | Households | 2005 |
| 1066 IT Solutions Limited | Information & communication | 2011 |
| 1066 Visual Media Ltd | Information & communication | 2017 |
| 107 Roundhill Crescent Limited | Households | 2013 |
| 10STARRECRUITMENT T/A 10 Star Care Ltd | Other services | 2022 |
| 11 & 11A Bembridge Street (Brighton) Freehold Limited | Households | 2012 |
| 11 & 13 Albany Villas (Hove) Limited | Households | 2021 |
| 11 Bedford Square Limited | Real estate | 1991 |
| 11 Belgrave Place (Brighton) RTM Company Limited | Households | 2014 |
| 11 Breakspears Road (London SE4) Limited | Households | 2021 |
| 11 Chesham Place Management Company Limited | Households | 1997 |
| 11 Chesham Place RTM Company Limited | Households | 2020 |
| 11 College Road Brighton Management Limited | Households | 1995 |
| 11 College Terrace Management Company Limited | Households | 2026 |
| 11 Dorset Gardens Limited | Households | 1974 |
| 11 Florence Road Limited | Households | 2013 |
| 11 Gladstone Terrace (Brighton) Limited | Households | 2005 |
| 11 Lyndhurst Road (Hove) Ltd | Real estate | 2011 |
| 11 Montpelier Road Brighton Limited | Households | 1998 |
| 11 Montpelier Street (Brighton) Limited | Households | 2008 |
| 11 Norfolk Road Management Ltd | Households | 2017 |
| 11 Oriental Place RTM Company Limited | Extraterritorial | 2024 |
| 11 Paston Place Ltd | Professional & scientific | 2016 |
| 11 Powis Road (Brighton) Limited | Households | 2020 |
| 11 PPA Limited | Hospitality | 2012 |
| 11 Preston Park Avenue (Management Company) Limited | Households | 2018 |
| 11 ST Michael's Place BN1 3FT Limited | Households | 2024 |
| 11 Sussex Square Brighton Limited | Households | 1989 |
| 11 Warleigh RD Limited | Households | 2015 |
| 110 Ditchling Rise Brighton Limited | Households | 2024 |
| 111STANFORDBN1 Limited | Households | 2022 |
| 114 Marine Parade (Brighton) Limited | Households | 1989 |
| 115 Beaconsfield Villas Brighton Limited | Households | 2003 |
| 115 Bonchurch Road (Freehold) Limited | Households | 2018 |
| 115TH Dream Limited | Information & communication | 2009 |
| 117 Albert Bridge Road Limited | Households | 2008 |
| 119 Ditchling Rise Management Company Limited | Households | 2024 |
| 119 Ladbroke Grove Freehold Ltd | Households | 2023 |
| 11:11 Limited | Construction | 2022 |
| 11ELDER Place Ltd | Households | 2021 |
| 11SK Ltd | Real estate | 2020 |
| 11WIZARDS (U.K.) Limited | Information & communication | 2022 |
| 12 Bedford Place Brighton Limited | Households | 2016 |
| 12 College Terrace Management Limited | Real estate | 2004 |
| 12 Kingdon Road Ltd | Real estate | 2021 |
| 12 Marine Square (Brighton) Limited | Households | 2014 |
| 12 New Steine Freehold Company Limited | Households | 2024 |
| 12 Palmeira Avenue Hove Freeholders Company Limited | Households | 2005 |
| 12 Springfield Road (Brighton) Limited | Households | 2019 |