| &Partners IT Ltd | Information & communication | 2015 |
| 08711975 Limited | Construction | 2013 |
| 1 & 2 Percival Terrace (Freehold) Limited | Households | 1999 |
| 1 Adelaide Crescent Limited | Households | 2005 |
| 1 Clarence Square (Brighton) Limited | Households | 2011 |
| 1 Wilbury Gardens Limited | Households | 1996 |
| 10 Cambridge Road RTM Company Limited | Households | 2011 |
| 10 Grand Avenue (Hove) Limited | Households | 1995 |
| 10 Langdale Road RTM Company Limited | Households | 2012 |
| 10 Montpelier Road (Freeholders) Brighton Limited | Households | 1999 |
| 10 Tisbury Road (Hove) Limited | Households | 1998 |
| 101, Beaconsfield Villas Ltd | Households | 2023 |
| 101-107 Ingleside Crescent Management Company Limited | Households | 2000 |
| 113 Lansdowne Place (Hove) Limited | Households | 2006 |
| 14 Clyde Road (Brighton) RTM Company Limited | Households | 2016 |
| 15 Clifton Street (BN1) Ltd | Households | 2015 |
| 16 Montpelier Crescent Residents Association Limited | Households | 1989 |
| 16 Victoria Road (Brighton) Limited | Households | 2003 |
| 161 Consulting Ltd | Professional & scientific | 2010 |
| 17 Compton Avenue (Brighton) Limited | Households | 2000 |
| 17 Sussex Square (Brighton) Limited | Households | 2013 |
| 17/19 ST Aubyns Hove Limited | Households | 2004 |
| 19 Carlisle Road (Hove) Limited | Households | 2002 |
| 2 Adelaide Crescent Limited | Households | 1996 |
| 20 Bedford Square (Brighton) RTM Company Limited | Households | 2005 |
| 20 Brighton Road Freeholders Limited | Real estate | 2010 |
| 20 Sackville Gardens (Hove) Limited | Households | 2009 |
| 21 Belvedere Terrace Freehold Company Limited | Households | 2020 |
| 21 Powis Square Freehold Limited | Households | 2016 |
| 21 Powis Square Limited | Households | 1994 |
| 22 Estates Limited | Real estate | 2018 |
| 23 Buckingham Road (RTM) Company Limited | Households | 2008 |
| 23 Buckingham Road Brighton Limited | Households | 2018 |
| 24A ST James's Street Management Company Limited | Real estate | 2011 |
| 25 Upper Rock Gardens (Residents' Association) Limited | Households | 1991 |
| 26 Norfolk Square Brighton Limited | Households | 2002 |
| 26 Upper Lewes Road (Freehold) Limited | Households | 2016 |
| 27 Buckingham Place Limited | Households | 1999 |
| 272 New Church Road Limited | Hospitality | 2012 |
| 278 Dyke Road Management Company Limited | Households | 2004 |
| 28 Bedford Square Brighton Limited | Administrative & support | 1999 |
| 28 Norton Road Hove Limited | Households | 2011 |
| 29 Brunswick Place Management Company Limited | Households | 1987 |
| 29 Clanricarde Gardens Freehold Limited | Households | 2016 |
| 3 Kings Gardens (Hove) Limited | Households | 2006 |
| 3 Norfolk Terrace (Brighton) Limited | Households | 2007 |
| 30 Montpelier Street Management Company Limited | Households | 1995 |
| 31 Clarendon Villas RTM Company Limited | Households | 2015 |
| 32 Thorn Road RTM Company Limited | Households | 2026 |
| 33 Bedford Square Limited | Households | 2000 |
| 33 Cambridge Road Hove Limited | Households | 1996 |
| 33 Devonshire RTM Company Limited | Households | 2011 |
| 36 Brunswick Square Hove Limited | Households | 1990 |
| 36 Montpelier Crescent Limited | Households | 1999 |
| 36 Wilbury Road Hove (Management) Limited | Households | 1993 |
| 360 Finish Ltd | Manufacturing | 2021 |
| 360 Hair Clinic Limited | Other services | 2012 |
| 360 Hair Group Limited | Other services | 2017 |
| 37 Kempsford Gardens Residents Limited | Households | 1993 |
| 37 Pembroke Residents Association Limited | Households | 1996 |
| 39 Pizza on the Road Ltd | Hospitality | 2025 |
| 39 ST Aubyns Limited | Real estate | 2022 |
| 4 & 5 Chichester Terrace Management Company Limited | Households | 1998 |
| 4 Boss Ltd | Wholesale & retail | 2018 |
| 42 Rowlands Road RTM Company Limited | Households | 2015 |
| 45 Marine Parade (Brighton) Company Limited | Households | 2006 |
| 45 Norfolk Square Limited | Households | 1997 |
| 5 Brunswick Road Hove Limited | Households | 2000 |
| 5 Buckingham Road (Management) Limited | Households | 1998 |
| 50 Buckingham Road Residents Limited | Households | 1991 |
| 52 Waterloo Street (Hove) Limited | Households | 2003 |
| 52/54 First Avenue Hove Limited | Households | 1998 |
| 55 Clarendon Villas Limited | Households | 2015 |
| 55 the Martlett Limited | Financial services | 2012 |
| 55 the Martlett Subsidiary Limited | Real estate | 2012 |
| 57 Buckingham Limited | Households | 2015 |
| 59 Gordon Road (Shoreham) Limited | Extraterritorial | 2014 |
| 5P Limited | Other services | 2022 |
| 6 Charlotte Street Brighton Limited | Households | 2015 |
| 6 Lingfield Avenue Management Limited | Households | 2010 |
| 6 Sackville Road (Hove) Limited | Households | 2008 |
| 6 Third Avenue Limited | Households | 2018 |
| 60 Sackville Road Hove Management Company Limited | Households | 2002 |
| 66 Brunswick Place Hove Limited | Households | 2002 |
| 7 Brunswick Square (Hove) Limited | Households | 2001 |
| 7 Shaad Limited | Hospitality | 2024 |
| 72 Payne Avenue (Hove) Limited | Real estate | 2019 |
| 72 the Drive Freehold Limited | Households | 2000 |
| 73 Shaftesbury Road RTM Company Limited | Households | 2013 |
| 75 Lorna Road Limited | Households | 1996 |
| 817 Garratt Lane (London) RTM Company Limited | Households | 2013 |
| @Work Computers Limited | Information & communication | 2002 |
| A Harrison Sussex Glazing Limited | Real estate | 2022 |
| A K N Consulting Ltd | Professional & scientific | 2014 |
| A Number of Venues Ltd | Hospitality | 2024 |
| A Star Garage Limited | Wholesale & retail | 2022 |
| A Y Estates Ltd | Real estate | 2020 |
| A&G.Mq Limited | Wholesale & retail | 2024 |
| A&Ggoods Ltd | Wholesale & retail | 2025 |
| A&M Exclusive Travel Services Ltd | Administrative & support | 2024 |