| Rocco Retro Imports Ltd | Wholesale & retail | 2022 |
| Rock Consultancy Services Ltd | Professional & scientific | 2021 |
| Rowlands Woodhouse (Holdings) Limited | Manufacturing | 2002 |
| Rowlands-Woodhouse Equipment Limited | Manufacturing | 1977 |
| Rumford Limited | Agriculture & fishing | 2023 |
| Runton West Ltd | Professional & scientific | 2025 |
| Russell Road & Racing Ltd | Wholesale & retail | 2018 |
| Rustic Media Limited | Information & communication | 2012 |
| S Wang 2023 Limited | Hospitality | 2023 |
| S.R. Print and Design Ltd. | Manufacturing | 1999 |
| Safe Venue Consulting Ltd | Administrative & support | 2026 |
| Salik Caterers Ltd | Hospitality | 2022 |
| Salik Properties Limited | Real estate | 2017 |
| Sam's Pets Limited | Wholesale & retail | 2012 |
| Sampson Leisure Limited | Administrative & support | 1998 |
| Sandbanks Norfolk Limited | Administrative & support | 2018 |
| Sarsyan 80 Ltd | Hospitality | 2023 |
| Saunders & Davies Properties Ltd | Financial services | 2026 |
| Saxon Motors (Norfolk) Ltd | Manufacturing | 2013 |
| Sayer Music Limited | Arts & recreation | 2007 |
| SDK Software Solutions Limited | Information & communication | 2010 |
| Sedibus Ltd | Professional & scientific | 2020 |
| Senior Installations Ltd | Construction | 2026 |
| Serene Freedom Supported Living Ltd | Health & social care | 2024 |
| Signature Sign and Graphic Installations Ltd | Professional & scientific | 2023 |
| Signland Limited | Manufacturing | 2009 |
| Simpler Change Ltd | Professional & scientific | 2020 |
| Skilled Simian Services Ltd | Mining & quarrying | 2026 |
| SKW Pigs Ltd | Agriculture & fishing | 2020 |
| Smith Holdings (Blofield) Ltd | Real estate | 2024 |
| Snobdog Ltd | Wholesale & retail | 2024 |
| Soft Synergy Limited | Information & communication | 2002 |
| Songbird Holdings Limited | Financial services | 2016 |
| Soul Management Resources Ltd | Professional & scientific | 2025 |
| Southrepps Developments Ltd | Construction | 2001 |
| Spanish Express Limited | Extraterritorial | 2018 |
| Speedworks Remaps Ltd | Wholesale & retail | 2024 |
| Sport Disciplinary Services Limited | Arts & recreation | 2024 |
| Spotty Herberts Limited | Wholesale & retail | 2013 |
| SRN Accountancy Limited | Professional & scientific | 2018 |
| SRN Management Ltd | Real estate | 2017 |
| SRN Media Enterprises Ltd | Information & communication | 2025 |
| ST Investment Properties Limited | Real estate | 2025 |
| ST Motor Services Limited | Wholesale & retail | 2024 |
| ST Nicholas Education Ltd | Education | 2013 |
| ST North Walsham Limited | Other services | 2022 |
| Starlings Transport & Storage Limited | Transport & logistics | 2004 |
| Starting Handle Club Limited | Other services | 2017 |
| Stellar Construction Group East Anglia Ltd | Construction | 2023 |
| Steve Beaton Limited | Arts & recreation | 2012 |
| Strange Farm Limited | Manufacturing | 2010 |
| SUE Foster Textiles Limited | Extraterritorial | 2012 |
| Suffolk Cleaning Ltd | Administrative & support | 2019 |
| Suishui Limited | Wholesale & retail | 2011 |
| Sunnybarn Ltd | Real estate | 2023 |
| Sunnyhold Ltd | Financial services | 2023 |
| Sunnyprop Ltd | Real estate | 2023 |
| SUP Norfolk Ltd | Administrative & support | 2024 |
| Swafield Barns Limited | Real estate | 2020 |
| Swash Nosh Catering and Events Ltd | Hospitality | 2026 |
| T & Co Property Ltd | Real estate | 2025 |
| Talosites Ltd | Information & communication | 2014 |
| Tank Clad Ltd | Construction | 2020 |
| Target Pest Solutions Limited | Administrative & support | 2016 |
| Tavern Tasty Meats Ltd | Wholesale & retail | 2003 |
| Taylor Minns Limited | Professional & scientific | 2003 |
| TCP 01 Blackborough Ltd | Construction | 2026 |
| TCP Property Ltd | Construction | 2026 |
| TCP Two Duck Ltd | Real estate | 2026 |
| Teal and Co Property Ltd | Real estate | 2025 |
| THE Aesthetic Lounge by Lucyanne Ltd | Other services | 2022 |
| THE Flowers Day Nursery Limited | Health & social care | 2004 |
| THE Miller PUB Group LLP | | 2026 |
| THE Old Canal Company Limited | Professional & scientific | 1999 |
| THE One Norfolk Food Company Ltd | Manufacturing | 2018 |
| THE Peasants Tavern Limited | Hospitality | 2024 |
| THE Plankton Project CIC | Professional & scientific | 2023 |
| THE Raymond James Quigley Legacy Community Interest Company | Other services | 2026 |
| THE Seven Workshop Limited | Wholesale & retail | 2013 |
| THE Trading Card Accountant Ltd | Professional & scientific | 2026 |
| THE Vape Gurus Aylsham Limited | Wholesale & retail | 2016 |
| THE Vape Gurus Norfolk Ltd | Wholesale & retail | 2016 |
| THE Vape Gurus Sheringham Ltd | Wholesale & retail | 2021 |
| THE Worstead Larder Ltd | Agriculture & fishing | 2025 |
| Thermopool Ltd | Transport & logistics | 2011 |
| Thirty Property Group Ltd | Real estate | 2023 |
| Thomas DIX Court Management Company Limited | Real estate | 2009 |
| Thorpe Plumbing & Heating Services Ltd | Construction | 2024 |
| Tiffin's Kitchen Limited | Administrative & support | 2010 |
| TL Accountants Ltd | Professional & scientific | 2025 |
| TM Distributions Ltd | Wholesale & retail | 2026 |
| Toll Barn Veterinary Centre Limited | Professional & scientific | 2013 |
| Topsail Marine Yacht Brokers Ltd | Wholesale & retail | 2024 |
| TPG Blofield Ltd | Real estate | 2024 |
| TPG Project 11 BA Ltd | Real estate | 2023 |
| TPG Project Eleven Ltd | Real estate | 2025 |
| TRANS4MATIVE Minds Ltd | Professional & scientific | 2025 |
| TRE Enterprises Ltd | Wholesale & retail | 2023 |
| Trunch Garage Limited | Wholesale & retail | 2014 |
| Tsgl Estates Limited | Real estate | 2024 |