| THE Mind Agent Ltd | Other services | 2024 |
| THE Mind Paradigm Ltd | Professional & scientific | 2017 |
| THE Mindfulness Baker Ltd | Hospitality | 2022 |
| THE Mini Hamper Company Ltd | Wholesale & retail | 2018 |
| THE Money FOX Ltd | Education | 2025 |
| THE Money Underdog Ltd | Wholesale & retail | 2026 |
| THE Mortgage Centre (Mildenhall) Limited | Financial services | 2016 |
| THE Music Rehab Project CIC | Education | 2026 |
| THE Musician Experience Ltd | Professional & scientific | 2024 |
| THE Naeun Solutions Ltd | Administrative & support | 2024 |
| THE Nature Remedy CIC | Health & social care | 2025 |
| THE Navigation Station Ltd | Administrative & support | 2025 |
| THE Neat Life Ltd | Other services | 2026 |
| THE Network Penguin Ltd | Information & communication | 2025 |
| THE Northgate (Bury ST. Edmunds) Limited | Hospitality | 2016 |
| THE Nurture Studio CIC | Education | 2026 |
| THE Office Chair Cleaning Company Limited | Administrative & support | 2012 |
| THE Old Goat Collective Ltd | Arts & recreation | 2023 |
| THE Old Reading Room Limited | Professional & scientific | 2013 |
| THE Old School House Owners Management Limited | Real estate | 2004 |
| THE Online Bazaar Ltd | Wholesale & retail | 2013 |
| THE OPS Room Ltd | Professional & scientific | 2022 |
| THE Original Alternative Limited | Wholesale & retail | 2018 |
| THE Outreach Orchestra Ltd | Information & communication | 2026 |
| THE Oxbridge Portfolio Limited | Information & communication | 2013 |
| THE Oxford Portfolio Limited | Arts & recreation | 2009 |
| THE Packhorse Inn (Moulton) Limited | Hospitality | 2013 |
| THE Palm Room Ltd | Other services | 2020 |
| THE Pandabee Company Ltd | Wholesale & retail | 2026 |
| THE Pantry Couple Ltd | Manufacturing | 2025 |
| THE Parents Lottery Ltd | Arts & recreation | 2026 |
| THE Partnership Collective Ltd | Professional & scientific | 2023 |
| THE Party Office Ltd | Administrative & support | 2026 |
| THE Pathology Catalyst Ltd | Professional & scientific | 2026 |
| THE Pear Pantry Ltd | Hospitality | 2024 |
| THE Penguin Emporium Limited | Wholesale & retail | 2024 |
| THE People Keeper Ltd | Administrative & support | 2023 |
| THE Pilates Vault Limited | Arts & recreation | 2025 |
| THE PIN Theory Ltd | Wholesale & retail | 2026 |
| THE Pines Management Company (Mildenhall) Limited | Households | 1988 |
| THE Pizza People Ltd | Hospitality | 2024 |
| THE Planlab Ltd | Professional & scientific | 2026 |
| THE Point RMC Ltd | Households | 2018 |
| THE Polo Collective Ltd | Arts & recreation | 2026 |
| THE Porch Fairies Limited | Arts & recreation | 2015 |
| THE Productivity Playground Ltd | Professional & scientific | 2023 |
| THE Property Barn Ltd | Real estate | 2019 |
| THE Psychology Mentor Ltd | Education | 2011 |
| THE Radical Store Ltd | Wholesale & retail | 2021 |
| THE Readiness Company Limited | Information & communication | 2001 |
| THE Reading Room Radiology Reporting Services Ltd | Health & social care | 2025 |
| THE Real Suya Ltd | Hospitality | 2020 |
| THE Reconnect Programme Ltd | Education | 2025 |
| THE Recroot Group Limited | Financial services | 2016 |
| THE Relentless Approach Ltd | Other services | 2025 |
| THE Renascent Co Ltd | Manufacturing | 2025 |
| THE Renovation Advisor UK Ltd | Professional & scientific | 2025 |
| THE Retro Emporium Limited | Wholesale & retail | 2016 |
| THE Reveal and Play Ltd | Arts & recreation | 2025 |
| THE Right Vibe Limited | Administrative & support | 2005 |
| THE Roofing Company East Anglia Limited | Construction | 2021 |
| THE Rupert Brooke (Grantchester) Limited | Hospitality | 2014 |
| THE Rural Group Ltd | Transport & logistics | 2022 |
| THE Savoury Table Ltd | Hospitality | 2025 |
| THE Seamless Spa Company Ltd | Construction | 2023 |
| THE Send Friend Ltd | Education | 2023 |
| THE Sensory Storyteller CIC | Education | 2024 |
| THE Serenity Project CIC | Arts & recreation | 2025 |
| THE Shay Community Stadium Ltd | Real estate | 2025 |
| THE Shed Warehouse Ltd | Wholesale & retail | 2026 |
| THE Ship (Dunwich) & the Westleton Crown Limited | Hospitality | 2004 |
| THE Shutter Expert Limited | Wholesale & retail | 2019 |
| THE Silverlined Heart Ltd | Health & social care | 2012 |
| THE Simple Teacher Ltd | Education | 2025 |
| THE Skin Consultant Ltd | Wholesale & retail | 2026 |
| THE Slow Moving Stock Guys Ltd | Wholesale & retail | 2026 |
| THE Social Work Awards Ltd. | Health & social care | 2011 |
| THE Sole Governor Limited | Wholesale & retail | 2023 |
| THE Sparkling Sake Brewery Ltd | Manufacturing | 2020 |
| THE Special Dress Company Ltd | Wholesale & retail | 2016 |
| THE Spectrum (Hadleigh Road) Management Company Limited | Households | 2015 |
| THE Spicy Muffin Ltd | Manufacturing | 2024 |
| THE Spires (Snettisham) Residents Management Company Limited | Households | 2025 |
| THE Spirit of Suffolk Limited | Manufacturing | 2026 |
| THE Split Moon Publishing House Ltd | Information & communication | 2022 |
| THE Starting Concept Ltd | Professional & scientific | 2022 |
| THE Stehouwer Family Ltd | Manufacturing | 2022 |
| THE Stehouwer Family Secure Ltd | Manufacturing | 2023 |
| THE Strategy Bureau Ltd | Professional & scientific | 2019 |
| THE Study Access Network Ltd | Education | 2025 |
| THE Suffolk Circle Ltd | Wholesale & retail | 2023 |
| THE Suffolk Workshop Ltd | Manufacturing | 2020 |
| THE Support Yard CIC | Professional & scientific | 2026 |
| THE Sweet Guys LLP | | 2017 |
| THE Sweet Onion Company Limited | Agriculture & fishing | 2010 |
| THE Sycamores (Bury ST Edmunds) Management (NO 2) Limited | Households | 1991 |
| THE Sycamores (Bury ST Edmunds) Management (NO 3) Limited | Real estate | 1993 |
| THE Sycamores (Bury ST Edmunds) Management (NO 4) Limited | Households | 1992 |
| THE T Total Coach Ltd | Education | 2022 |
| THE Tanning Boutique Knutsford Ltd | Other services | 2021 |