| 60-62 Pembroke Crescent Management Limited | Real estate | 2001 |
| 60/64 New Church Road,Hove Limited | Households | 1971 |
| 61C Limited | Households | 2001 |
| 63 Beaconsfield Villas Brighton Limited | Households | 2003 |
| 63 Shanklin Road Limited | Extraterritorial | 2003 |
| 65 Lorna Road Hove Limited | Hospitality | 2003 |
| 65 Norman Road Limited | Households | 2022 |
| 65 Shaftesbury Road (Brighton) Limited | Households | 1991 |
| 68 Ashford Road Limited | Administrative & support | 2004 |
| 68 Pembroke Crescent Hove Limited | Households | 1989 |
| 69 Royal Parade (Eastbourne) Ltd | Real estate | 2005 |
| 7 Adelaide Crescent Residents Association Limited | Households | 1999 |
| 7 Linden Road (Bexhill) Limited | Households | 2007 |
| 7 Portland Road (Management) Hove Limited | Households | 1998 |
| 7 Third Avenue Hove Limited | Households | 2001 |
| 71 Millers Road (Brighton) Limited | Professional & scientific | 2006 |
| 73 Preston Road Brighton Limited | Households | 2006 |
| 74 Lansdowne Place Limited | Hospitality | 2001 |
| 8 Arundel Street Management Limited | Real estate | 2001 |
| 8 Belgrave Place Management Limited | Real estate | 1998 |
| 8 Lansdowne Road Hove Limited | Real estate | 2003 |
| 8 Palmeira Avenue Hove Management Limited | Administrative & support | 1994 |
| 8 the Mount Residents Association Limited | Households | 1994 |
| 8, Powis Road (Brighton) Limited | Households | 2000 |
| 80 Rose Hill Terrace (Brighton) Limited | Households | 2007 |
| 80 Tisbury Road Hove Limited | Households | 1992 |
| 81 Montpelier Road Residents Association Limited | Real estate | 2002 |
| 85 Pevensey Road Ltd. | Extraterritorial | 2002 |
| 88 Marine Parade Brighton Limited | Professional & scientific | 2000 |
| 9 and 9A Meads Street Limited | Real estate | 2007 |
| 9 Selborne Road Residents Limited | Households | 1993 |
| 9 ST Annes Road (Eastbourne) Limited | Real estate | 2005 |
| 9 Upper Market Street Management Limited | Households | 1997 |
| 90 Cromwell Road Hove (Management) Limited | Households | 2000 |
| 91/93 Hartington Road Management Company Limited | Households | 2004 |
| 92 Denbigh Street Residents RTM Company Limited | Households | 2003 |
| 93-95 Bear Road (Brighton) Limited | Households | 2006 |
| 94-96 Lewes Road Residents Association Limited | Real estate | 1998 |
| 95 Oval Road (Croydon) Limited | Real estate | 1999 |
| 98 Buckingham Road Brighton Limited | Real estate | 2003 |
| A & a Metals (Kent) Limited | Water & waste | 2007 |
| A Gilani Limited | Health & social care | 2015 |
| A L D Lighting Limited | Manufacturing | 2007 |
| A M (Sussex) Limited | Professional & scientific | 2005 |
| A P Property Enterprises Limited | Construction | 2006 |
| A P Westbrook Limited | Information & communication | 1954 |
| A&J Consultancy Services Limited | Administrative & support | 2009 |
| A&Z Solutions Limited | Other services | 2007 |
| A. a. Taylor Limited | Manufacturing | 1997 |
| A.C.M.Webb(Publishing)Limited | | 1967 |
| A.K. & Co (Consultancy Services) Limited | Professional & scientific | 2001 |
| A.P.D.J. Limited | Other services | 1998 |
| A.S.C. Property Holding Limited | Real estate | 1960 |
| A1 Locksmiths (Hastings) Limited | Construction | 2005 |
| AAP Solutions Ltd | Information & communication | 2012 |
| Abaco Media & Publishing Ltd. | Arts & recreation | 1988 |
| Abacus Main Limited | Administrative & support | 1998 |
| Abbeycan Limited | Hospitality | 1997 |
| ABC Transport | | 1999 |
| Abedin Ventures Ltd | Hospitality | 2025 |
| Abmec Limited | Professional & scientific | 2002 |
| Accountancy UK Limited | Professional & scientific | 2002 |
| Acevale Management Company Limited | Households | 1988 |
| Achieve Coaching & Training Ltd | Administrative & support | 2006 |
| Acme Ventures Limited | Professional & scientific | 2001 |
| Acorn Chiropody & Podiatry Limited | Health & social care | 2008 |
| Active Fire Management Limited | Public administration | 2001 |
| Active SCG Limited | Other services | 2004 |
| Acumen Intelligence Ltd | Information & communication | 2004 |
| Acutel Limited | Information & communication | 2001 |
| ACW Brickwork Limited | Construction | 2002 |
| AD Valorem Advisers Limited | Financial services | 2005 |
| Adams & Remers Limited | Professional & scientific | 1996 |
| Addam Limited | Information & communication | 2003 |
| Adelaide Investments (Hove) Limited | Real estate | 1960 |
| Admarine Limited | | 1984 |
| Advance Computer Services Limited | Information & communication | 1992 |
| Advanta Business Services Limited | Professional & scientific | 2005 |
| Advanta Corporate Services Limited | Professional & scientific | 2006 |
| Advartex Leisurewear Limited | Manufacturing | 2004 |
| Adventum Hire Limited | Administrative & support | 1960 |
| ADW Marketing Solutions LLP | | 2006 |
| Adymo Limited | Professional & scientific | 2005 |
| Aegis Defence Limited | Manufacturing | 2003 |
| AEI Security & Communications Ltd | Other services | 1993 |
| AFC Europe (Holdings) Limited | Financial services | 2006 |
| Affordfuture Limited | Professional & scientific | 1995 |
| AFH Payroll Solutions Ltd | Administrative & support | 2007 |
| Africa Marine Services (Europe) Limited | Administrative & support | 2001 |
| African Online Shop Limited | Wholesale & retail | 2001 |
| Afterglow Arts Ltd | Arts & recreation | 2005 |
| Agency for International Visits Limited | Professional & scientific | 2005 |
| Agon Systems Limited | Wholesale & retail | 2006 |
| Agrosol Limited | Wholesale & retail | 2006 |
| AHM Genisys Ltd | Financial services | 2025 |
| AI Integration Technologies Ltd | Information & communication | 2025 |
| Airtrace Sheet Metal Limited | Manufacturing | 2005 |
| Aktis Ltd | Professional & scientific | 2006 |
| Alawites Ltd | Wholesale & retail | 2026 |
| Albert J.Bridle.Limited | Real estate | 1931 |