| 27 Gladstone Place (Brighton) Limited | Professional & scientific | 2000 |
| 27 Hartington Road Limited | Households | 2024 |
| 27 Shanklin Road (Brighton) Limited | Real estate | 2020 |
| 27 ST Michaels Place (Brighton) Limited | Households | 2006 |
| 27 Sussex Square Brighton Limited | Real estate | 1998 |
| 27 Warleigh Road RTM Company Limited | Real estate | 2015 |
| 277 Eastern Road Brighton (Management) Limited | Hospitality | 1995 |
| 27CG Ltd | Real estate | 2024 |
| 28 Cannon Place (Brighton) Limited | Households | 2005 |
| 28 Chatham Place Limited | Households | 2013 |
| 28 Islingword Road RTM Company Limited | Real estate | 2004 |
| 28 Lansdowne Place Ltd | Households | 2006 |
| 28 Lewes Crescent Limited | Households | 1998 |
| 28 Palmeira Avenue Company Limited | Real estate | 2012 |
| 28-30 Old Shoreham Road Hove Limited | Households | 2013 |
| 28A Crescent RD Ltd. | Households | 2019 |
| 28WW Ltd | Professional & scientific | 2015 |
| 29 Buckingham Place Limited | Real estate | 2013 |
| 29 Buckingham Street (Brighton) Limited | Professional & scientific | 2006 |
| 29 ELM Grove Brighton Freehold Limited | Households | 2011 |
| 29 Highfield Road, Bognor Ltd | Households | 2023 |
| 29 Montpelier Road Brighton Limited | Households | 1997 |
| 29 Springfield Road Brighton Freehold Limited | Households | 2021 |
| 2AJO Ltd | Real estate | 2012 |
| 2B Arts Limited | Professional & scientific | 2020 |
| 2B Ventures Limited | Information & communication | 2023 |
| 2D23 Limited | Construction | 2023 |
| 2DTOM Ltd | Information & communication | 2020 |
| 2EM Services Ltd | Administrative & support | 2019 |
| 2ND Byte Limited | Wholesale & retail | 2022 |
| 2SGT RTM Company Ltd | Households | 2016 |
| 2TB Consultancy Group Ltd | Professional & scientific | 2017 |
| 2TECH Limited | Wholesale & retail | 2003 |
| 3 Albert Road Brighton Limited | Households | 2000 |
| 3 Atlingworth Street Limited | Households | 2001 |
| 3 Bath Street (Brighton) Limited | Households | 2003 |
| 3 Belgrave Place Management Limited | Households | 1999 |
| 3 Chatham Place (Brighton) Limited | Households | 2004 |
| 3 Dots Talent Ltd | Professional & scientific | 2019 |
| 3 Eaton Place Brighton (Residents) Limited | Households | 2001 |
| 3 Florence Road Limited | Households | 1998 |
| 3 Flow Creative Ltd | Professional & scientific | 2012 |
| 3 Montpelier Terrace Limited | Hospitality | 2001 |
| 3 Nicholson Place (Rottingdean) Freehold Limited | Households | 2026 |
| 3 Powis Square Limited | Households | 2000 |
| 3 Prestonville Road Residents Association Limited | Households | 1995 |
| 3 Queens Square Brighton Management Limited | Households | 1996 |
| 3 Roundhill Crescent Freehold Limited | Households | 2023 |
| 3 Spoons Sussex Ltd | Hospitality | 2026 |
| 3 Stags PUB Co Ltd | Hospitality | 2023 |
| 3 Steine Street (Freehold) Company Limited | Households | 2019 |
| 3 Sudeley Terrace (Brighton) Limited | Households | 2006 |
| 3 Third Avenue (Hove) Limited | Households | 2011 |
| 30 Bonchurch Road Limited | Hospitality | 2011 |
| 30 Buckingham Street Brighton Limited | Households | 2021 |
| 30 College Road Brighton Limited | Hospitality | 2006 |
| 30 Cromwell Road (Hove) Freehold Limited | Households | 2019 |
| 30 Gladstone Place BN2 Limited | Households | 2020 |
| 30 Norfolk Square Limited | Households | 1988 |
| 30 Superfoods Ltd | Manufacturing | 2024 |
| 301 Studio Limited | Professional & scientific | 2025 |
| 31 College Road (Kemp Town) Limited | Households | 1994 |
| 31 Edinburgh Road Management Company Ltd | Households | 2025 |
| 31 Preston Road Brighton Ltd | Real estate | 2021 |
| 31 Queens Park Road (Brighton) Limited | Households | 2011 |
| 31 Rose Hill Terrace (Brighton) Limited | Households | 2007 |
| 31 ST George's Terrace (Brighton) Limited | Real estate | 1991 |
| 31 Vernon Terrace RTM Company Limited | Households | 2007 |
| 313 Music Publishing Ltd | Information & communication | 2023 |
| 32 Classics Ltd | Wholesale & retail | 2023 |
| 32 Hardwicke Road Freehold Limited | Households | 2023 |
| 32 Hardwicke Road RTM Company Limited | Households | 2005 |
| 32 Montpelier Road Limited | Households | 2021 |
| 32 New England Road Freehold Ltd | Households | 2019 |
| 32 Sussex Square Limited | Households | 2005 |
| 33 & 35 Sandown Road (Brighton) Freehold Limited | Households | 2020 |
| 33 Beaconsfield Villas Brighton Limited | Households | 2020 |
| 33 Clyde Road Brighton Limited | Households | 1983 |
| 33 Limited | Real estate | 2000 |
| 33 Medina Villas (Hove) Management Limited | Real estate | 1973 |
| 33 Montpelier Crescent Limited | Professional & scientific | 2000 |
| 33 Park Street Brighton (RTM) Ltd | Households | 2012 |
| 33 Western Street (Brighton) Freeholders Limited | Real estate | 2007 |
| 33 York Avenue Residents Association Limited | Households | 2001 |
| 338 Ditchling Road, Brighton RTM Company Limited | Households | 2007 |
| 338 South Coast Road Limited | Real estate | 2004 |
| 34 Brunswick Place (Hove) Limited | Extraterritorial | 2005 |
| 34 Buckingham Road Brighton Limited | Households | 2014 |
| 34 Dyke Road Management Co-Operative Limited | Administrative & support | 2008 |
| 34 Preston Park Mansions Limited | Households | 2020 |
| 34 Preston Park NO.2 Ltd | Households | 2019 |
| 34 Queens Park Road RTM Company Limited | Households | 2011 |
| 34 Riley Road Freehold Company Ltd | Households | 2026 |
| 34 Sackville Road (Hove) Limited | Real estate | 2004 |
| 34 Tidy Street Limited | Households | 2022 |
| 34-35 Sussex Square Limited | Households | 1998 |
| 348 King Street Limited | Real estate | 2008 |
| 34BUS CIC | Construction | 2022 |
| 35 Boundary Road Freehold Ltd | Real estate | 2021 |
| 35 Boundary Road Ltd | Real estate | 2019 |