| Revery Technologies Ltd | Information & communication | 2025 |
| Rococo Florist Ltd | Wholesale & retail | 2012 |
| Rodarl Ltd | Hospitality | 2019 |
| Rogue Notes Ltd | Information & communication | 2022 |
| Roneill Automotive Ltd | Wholesale & retail | 2022 |
| Rosemary Lane Management Company Limited | Households | 2014 |
| RWB Property Management Ltd | Households | 2021 |
| SAM Perry Gardening Limited | Administrative & support | 2015 |
| Samphyre Ltd | Professional & scientific | 2024 |
| Scilly Watch Company Limited | Wholesale & retail | 2019 |
| Scion Logic Limited | Professional & scientific | 1999 |
| Seabuild Limited | Water & waste | 1989 |
| Sepa Limited | Real estate | 2016 |
| Shattered Raven Studios Ltd | Professional & scientific | 2024 |
| Shazwig Ltd | Other services | 2022 |
| Sheepdown Properties Ltd | Real estate | 2017 |
| Shepperton Watersports Limited | Wholesale & retail | 2021 |
| Shirley Court Residents Management Company Limited | Households | 2001 |
| Simon Cooke Films Limited | Information & communication | 2013 |
| Simply Glass Bottles Limited | Wholesale & retail | 2025 |
| Sinclair Advisory Services Ltd. | Wholesale & retail | 2011 |
| Sinclair Investment Services Ltd | Financial services | 2024 |
| Singular Media Ltd | Information & communication | 2023 |
| Sister Build Ltd | Real estate | 2004 |
| Slow Grown Farm Ltd | Agriculture & fishing | 2021 |
| Smash.Ing.Bits Limited | Administrative & support | 2019 |
| Smooth Red Productions Ltd | Wholesale & retail | 2012 |
| Smuggled From Cornwall Ltd | Other services | 2016 |
| Social Housing & Planning Limited | Real estate | 2016 |
| Sodiva Limited | Professional & scientific | 2021 |
| Soffiettos Limited | Manufacturing | 2025 |
| Sorella Clothing Limited | Wholesale & retail | 2014 |
| Sounds the Business Limited | Wholesale & retail | 2019 |
| South Downs Bloodstock Ltd | Arts & recreation | 2023 |
| Special Apps Limited | Information & communication | 2025 |
| Spiral of Scale Ltd | Professional & scientific | 2025 |
| Spitaki Properties Ltd | Real estate | 2019 |
| SPP Holdings Limited | Real estate | 2017 |
| Stable Bar Vintners Limited | Hospitality | 2021 |
| Stack Corporate Services Limited | Professional & scientific | 2011 |
| Stash Studio Ltd | Arts & recreation | 2026 |
| STB Service Centre Ltd | Wholesale & retail | 2019 |
| Steve Holland Ltd | Extraterritorial | 2015 |
| Steve's Book Shelf Ltd | Wholesale & retail | 2021 |
| Stickertricks Limited | Wholesale & retail | 2000 |
| Stockbridge Farm Limited | Professional & scientific | 2013 |
| Stockwell & Co Ltd | Professional & scientific | 2012 |
| Stratford Fields (Bickley) Management Limited | Households | 1994 |
| Strengthability Ltd | Arts & recreation | 2020 |
| Strongvale Development Limited | Real estate | 1991 |
| Studio Raff Ltd | Arts & recreation | 2019 |
| Surrey Auctions Limited | Wholesale & retail | 2019 |
| Sussex Business Class Limited | Transport & logistics | 2020 |
| Sussex Develop & Build Ltd | Construction | 2023 |
| Sussex Meadow LLP | | 2020 |
| Sussex Soho Ltd | Hospitality | 2020 |
| Sustainable Industrial Technologies Ltd | Manufacturing | 2024 |
| SW Advisory Ltd | Professional & scientific | 2024 |
| Swift Car Trading Limited | Wholesale & retail | 2018 |
| Swirral Edge Limited | Financial services | 2024 |
| Sydney House Limited | Households | 2005 |
| Sødt Ltd | Manufacturing | 2017 |
| Talk Assure Limited | Administrative & support | 2018 |
| Tallulah FOX Limited | Wholesale & retail | 2015 |
| Tancol Investments Limited | Real estate | 1960 |
| Tandiz Music Limited | Information & communication | 1995 |
| Target EYE Limited | Information & communication | 2002 |
| Tattersall Groundworks Ltd | Construction | 2025 |
| Taylor's Tree Services Ltd | Agriculture & fishing | 2025 |
| Teambear Nutrition Limited | Wholesale & retail | 2020 |
| Teamsearch Limited | Real estate | 1986 |
| Tents N Events Ltd | Arts & recreation | 2014 |
| THE Anderson Communications Consultancy Limited | Administrative & support | 2015 |
| THE Artisan Food Shop Limited | Manufacturing | 2011 |
| THE Chiddingfold Leconfield & Cowdray Hunt | Arts & recreation | 2004 |
| THE Communications Atelier Ltd | Professional & scientific | 2022 |
| THE Corr Consultancy Limited | Financial services | 2011 |
| THE Coultershaw Trust | Arts & recreation | 2002 |
| THE Damned NFT Ltd | Arts & recreation | 2023 |
| THE East Head Partnership LP | | 2014 |
| THE Ecology Co-Operation Limited | Professional & scientific | 2014 |
| THE Forth Mole Limited | Hospitality | 2017 |
| THE Hub South Coast Ltd | Hospitality | 2024 |
| THE Leconfield Singers | Arts & recreation | 2012 |
| THE Lodsworth Garage Ltd | Wholesale & retail | 2003 |
| THE Lurgashall Cricket Pavilion Limited | Arts & recreation | 1987 |
| THE North Street Petworth Residents Company Limited | Real estate | 2001 |
| THE Oriental RUG Company Limited | Wholesale & retail | 2008 |
| THE Other HAT Ltd | Information & communication | 2016 |
| THE Petworth Bookshop Limited | Wholesale & retail | 2006 |
| THE Shed Notting Hill Ltd | Hospitality | 2020 |
| THE Star @ Petworth Limited | Hospitality | 2018 |
| THE Stonemason Petworth Limited | Hospitality | 2018 |
| THE Surgery Design and Digital Holdings Limited | Financial services | 2023 |
| THE Sussex Sleepover Ltd | Hospitality | 2023 |
| Theresourcecentre.Co.Uk Ltd | Administrative & support | 2022 |
| This Time Films Ltd | Extraterritorial | 2018 |
| Through the Noise Coaching Ltd | Professional & scientific | 2023 |
| Thunderbird SKI Limited | Hospitality | 2009 |
| Thursley House RTM Company Limited | Professional & scientific | 2009 |