| 07027135 Limited | Health & social care | 2009 |
| 1 - 10 Olivia Court Property Management Co Ltd | Households | 2025 |
| 1 Gainsboro Road RTM Company Ltd. | Households | 2021 |
| 1-4 Olivia Court RTM Company Ltd | Households | 2025 |
| 1-9 Oakwood Court Management Company Limited | Households | 1999 |
| 10 10 Salon Ltd | Construction | 2020 |
| 10 Norfolk Road Limited | Real estate | 2012 |
| 100/102 Longford Road Limited | Real estate | 2023 |
| 106 Property Group Limited | Construction | 2015 |
| 116 Agar Grove Limited | Professional & scientific | 1998 |
| 135 Brighton Road Redhill Freehold Ltd | Households | 2007 |
| 136 Aldwick Road RTM Company Ltd | Households | 2014 |
| 14 Shakespeare Road (Worthing) RTM Company Limited | Households | 2020 |
| 14 Shelley Road (Worthing) RTM Limited | Real estate | 2012 |
| 1408 Retail Ltd | Wholesale & retail | 2025 |
| 15 Bloom Grove Limited | Households | 2003 |
| 15 Clifton Road Freeholders Limited | Households | 2019 |
| 16 Pagham Dental Ltd | Health & social care | 2025 |
| 1640-1648 Parkway Management Company Limited | Real estate | 2026 |
| 17-19 Seal Road Management Company Limited | Households | 2020 |
| 180 Hawthorn Road Management Company Limited | Real estate | 2006 |
| 19 Canada Grove Limited | Real estate | 2014 |
| 19 Family Ltd | Hospitality | 2025 |
| 1A Sandy Road Ltd | Hospitality | 2024 |
| 1ST Castle School of Motoring Limited | Education | 2012 |
| 1ST Choice Bathrooms, Plumbing & Heating Ltd | Construction | 2014 |
| 1T Testing Limited | Information & communication | 2016 |
| 2 ST Augustine Road RTM Company Limited | Households | 2020 |
| 20 Clifton Road (Littlehampton) Freeholders Limited | Households | 2018 |
| 20-26 Elmwood Road Limited | Extraterritorial | 2007 |
| 23 Upper Bognor Road RTM Company Ltd | Households | 2021 |
| 235 Chichester Road (Freehold) Limited | Hospitality | 2012 |
| 24 Wealth Limited | Financial services | 2025 |
| 251 Pagham Road Management Company Limited | Households | 2017 |
| 26 Motors Ltd | Wholesale & retail | 2026 |
| 26 Templesheen Road Limited | Real estate | 1995 |
| 26G Limited | Professional & scientific | 2026 |
| 28 Links Avenue RTM Company Limited | Households | 2019 |
| 289 VIP Vape Shop Ltd | Wholesale & retail | 2026 |
| 29 Bayford Road (Littlehampton) RTM Company Limited | Households | 2018 |
| 2GR LLP | | 2008 |
| 3 Bridge Solution CIC | Hospitality | 2021 |
| 3 Felpham Road Limited | Real estate | 2025 |
| 3-5 Goda Road Limited | Households | 2021 |
| 31 Boundary Road Freehold Limited | Households | 2023 |
| 31 Winchester Road RTM Company Limited | Households | 2023 |
| 311 Chichester Road Limited | Real estate | 2011 |
| 32 Glamis Street Limited | Households | 2013 |
| 32 Highfield Residents Limited | Real estate | 2002 |
| 32 Madeira Avenue (Worthing) RTM Company Limited | Households | 2011 |
| 32 Victoria Drive Limited | Households | 2010 |
| 35 Great James Street Limited | Real estate | 2017 |
| 36 South Terrace (Littlehampton) RTM Company Limited | Real estate | 2012 |
| 365 Heating Services Ltd | Construction | 2018 |
| 38 South Terrace Ltd | Households | 2015 |
| 3G International Limited | Administrative & support | 2003 |
| 4/5 Middle Street Limited | Households | 2024 |
| 45 Blackwater Road (Eastbourne) Residents Company Limited | Households | 1997 |
| 47 Charman Road Limited | Households | 2002 |
| 47 Norfolk Crescent (Freehold) Limited | Households | 2018 |
| 473 Caledonian Road (Freehold) Company Limited | Households | 2009 |
| 49 South Terrace Littlehampton Limited | Real estate | 1999 |
| 4LOW Industries Ltd | Wholesale & retail | 2024 |
| 4SIGHT Trading Ltd | Extraterritorial | 2003 |
| 4SIGHT Vision Support | Other services | 1999 |
| 5-10 Olivia Court RTM Company Ltd | Households | 2025 |
| 5/6 South Pallant Management Limited | Households | 2007 |
| 52 Portland Place Partners Ltd | Financial services | 2024 |
| 57 Bayford Road Littlehampton (Residents Company) Limited | Households | 1988 |
| 57-59 Wallace Avenue Management Limited | Households | 1968 |
| 59 & 59A Annandale Avenue RTM Company Limited | Households | 2019 |
| 5QS Consultancy Limited | Professional & scientific | 2016 |
| 5TC’S Ltd | Administrative & support | 2023 |
| 6 Atrtm Ltd | Households | 2014 |
| 6 Park Road Residents Ltd | Households | 2014 |
| 6 ST. Augustine Road (Littlehampton) Limited | Households | 2000 |
| 64 Essex Road Ltd | Administrative & support | 2018 |
| 6DEGREES (Sussex) Ltd | Professional & scientific | 2026 |
| 6DEGRESS Ltd | Professional & scientific | 2026 |
| 7 Gloucester Road Ltd | Households | 2026 |
| 7 Park Road Limited | Households | 2001 |
| 729K Ltd | Professional & scientific | 2002 |
| 786MAHBUB Limited | Hospitality | 2023 |
| 8LEG Websites Ltd | Professional & scientific | 2025 |
| 9 Hotel.Com Limited | Hospitality | 2026 |
| 9791 Media Ltd | Information & communication | 2026 |
| 98 Mora Road Limited | Hospitality | 2001 |
| A & D Crane Properties Holdings Ltd | Financial services | 2016 |
| A & D Crane Properties Ltd | Real estate | 2017 |
| A & K Investments Limited | Administrative & support | 2004 |
| A & P Lillywhite Property Holdings Limited | Real estate | 2019 |
| A and a Letting and Investments Limited | Real estate | 2024 |
| A BNB Property Care and Maintenance Ltd | Administrative & support | 2021 |
| A E Tiling Limited | Construction | 2016 |
| A Groome Construction Ltd | Construction | 2023 |
| A Little Zest Limited | Professional & scientific | 2011 |
| A to Z 2025 Delivery Ltd | Transport & logistics | 2025 |
| A V Design Ltd | Real estate | 1997 |
| A. & M. Barley Limited | Wholesale & retail | 1951 |
| A. F. Cooper 1962 Ltd | Administrative & support | 2025 |