| 4FOUR Motorsports Ltd | Arts & recreation | 2013 |
| 4I Civils & Groundworks Ltd | Construction | 2026 |
| 4I Financial Services Limited | Financial services | 2022 |
| 4I Mechanical Services Ltd | Water & waste | 2021 |
| 4I Synergy Limited | Financial services | 2017 |
| 4I Water Services Ltd | Professional & scientific | 2002 |
| 4K Footcare Services Ltd | Health & social care | 2022 |
| 4SEEN Music Ltd | Wholesale & retail | 2026 |
| 4TUNED Solutions Ltd. | Information & communication | 2018 |
| 4X Empire Ltd | Wholesale & retail | 2025 |
| 5 - 12 Sabah Court Residents' Association Ltd | Households | 2023 |
| 5 College Street Bury ST Edmunds Limited | Households | 2023 |
| 5 Milton Road Croydon Ltd | Households | 2024 |
| 5 Star Cutz Ltd | Other services | 2021 |
| 5 Star Trading London Ltd | Wholesale & retail | 2022 |
| 5 to 8 Ramplin Close Bury ST. Edmunds Management Company Limited | Households | 2021 |
| 513 Oriental Cuisine Limited | Hospitality | 2016 |
| 527STUDIOS Limited | Information & communication | 2026 |
| 59-60 Long Brackland Limited | Real estate | 2010 |
| 5K Cleaning Co. Ltd | Administrative & support | 2025 |
| 6 Levers Business Coaching Limited | Professional & scientific | 2020 |
| 6 Trading Ltd | Manufacturing | 2011 |
| 61 Real Estate Limited | Real estate | 2023 |
| 66 Hollow Road Property Management Company Limited | Households | 2022 |
| 67 Limited | Wholesale & retail | 2025 |
| 69 Yummy Limited | Hospitality | 2025 |
| 6IXSIDE Digital Ltd | Professional & scientific | 2026 |
| 6TH International Films Ltd | Information & communication | 2015 |
| 7 Faith Ltd | Other services | 2026 |
| 71 Compayne Gardens Limited | Professional & scientific | 2003 |
| 73HL Limited | Real estate | 2022 |
| 786 IT Autos Ltd | Professional & scientific | 2024 |
| 789 Capital Limited | Financial services | 2025 |
| 7RAK Limited | Information & communication | 2025 |
| 7TWELVE Limited | Real estate | 2024 |
| 808 Consulting Ltd | Professional & scientific | 2014 |
| 81 Hamilton Road Management Limited | Households | 2014 |
| 818 Studio Ltd | Information & communication | 2025 |
| 828 Management Limited | Real estate | 2006 |
| 852 Developments Limited | Real estate | 2019 |
| 8BIT Threads Ltd | Wholesale & retail | 2025 |
| 8E3 Networks Ltd | Information & communication | 2025 |
| 9 Trees Business Services Limited | Real estate | 2019 |
| 91ST Minute Ltd | Education | 2026 |
| 925 Solutions Ltd | Wholesale & retail | 2025 |
| 95TH AVE. Ltd | Information & communication | 2019 |
| 999 Pest Control Limited | Agriculture & fishing | 2014 |
| 9TWOX Tech Solutions Ltd | Wholesale & retail | 2024 |
| @Accounts Easy Returns Limited | Information & communication | 2026 |
| A & a Medical Care Ltd | Health & social care | 2024 |
| A & G Residential Lettings Ltd | Real estate | 2022 |
| A & H Ladham Property Limited | Real estate | 2017 |
| A & J FAT Point Properties Ltd | Administrative & support | 2002 |
| A & N Property Rental Ltd | Real estate | 2024 |
| A & O MIX Ltd | Wholesale & retail | 2015 |
| A & R Holdings (Suffolk) Ltd | Real estate | 2018 |
| A & S Coachworks Ltd | Wholesale & retail | 2010 |
| A Amber & Gold Limited | Information & communication | 2025 |
| A and J Garden Services Limited | Administrative & support | 2012 |
| A B Sculptech Ltd | Other services | 2023 |
| A Braver YOU Limited | Wholesale & retail | 2024 |
| A Bridging Lender Ltd | Professional & scientific | 2025 |
| A C Grounds Services Ltd | Administrative & support | 2012 |
| A Centre of Light (UK) Limited | Other services | 2012 |
| A D'Souza Ltd | Information & communication | 2006 |
| A Dowds Electrical Limited | Construction | 2013 |
| A F Poole Builders Limited | Construction | 2022 |
| A H Sawyer Consulting Ltd | Professional & scientific | 2018 |
| A Jules Ltd | Health & social care | 2021 |
| A K Recovery & Logistics Ltd | Wholesale & retail | 2025 |
| A Licence to Chill Ltd | Construction | 2014 |
| A Matter of Code Ltd | Information & communication | 2024 |
| A N Escapes Ltd | Administrative & support | 2025 |
| A Red House Ltd | Extraterritorial | 2024 |
| A S R Travel Limited | Transport & logistics | 2010 |
| A Smart CV Ltd | Information & communication | 2025 |
| A Tennis Hub Ltd | Wholesale & retail | 2025 |
| A Thornton Developments Ltd | Real estate | 2024 |
| A to B Traffic Management Ltd | Construction | 2025 |
| A to Z Psychological Therapies Ltd | Health & social care | 2023 |
| A W Borrett Agri Limited | Manufacturing | 2018 |
| A&A Doctors Ltd | Health & social care | 2012 |
| A&A Just Ltd | Wholesale & retail | 2025 |
| A&A Key Estates and Lettings Ltd | Real estate | 2026 |
| A&A Medical Services Limited | Health & social care | 2014 |
| A&A Property Hub Group Ltd | Hospitality | 2023 |
| A&A Unique Ltd | Administrative & support | 2019 |
| A&Co Payments Ltd | Administrative & support | 2026 |
| A&O Decorating Ltd. | Construction | 2023 |
| A&P Beauty Salon Ltd | Other services | 2025 |
| A&P Pigs Limited | Construction | 2013 |
| A&P Stores Ltd | Wholesale & retail | 2025 |
| A&P Ventures Limited | Real estate | 2024 |
| A&S Commerce Ltd | Wholesale & retail | 2025 |
| A&S Vehicle Hire Ltd | Administrative & support | 2023 |
| A&T Teesside Properties Ltd | Real estate | 2024 |
| A-Cyber Solutions Ltd | Information & communication | 2025 |
| A-L Carruth Ltd | Professional & scientific | 2016 |
| A-S Holdings (G) Ltd | Real estate | 2024 |
| A-Team Handyman Services Ltd | Construction | 2024 |