| (Un)Common MAN Productions LLC | | 2002 |
| 12 Springs Home Care Ltd | Real estate | 2024 |
| 1209 Limited | Arts & recreation | 2020 |
| 121 Homes Limited | Real estate | 2024 |
| 122 Holdings Limited | Financial services | 2024 |
| 17 - 25 Violet Grove RTM Company Ltd | Households | 2015 |
| 18 Gunter Grove RTM Company Limited | Households | 2016 |
| 181 Classic Motors Ltd | Wholesale & retail | 2016 |
| 182 Classic Motors Limited | Wholesale & retail | 2017 |
| 19/24 ST. Olaf's Road Residents Association Limited | Households | 1999 |
| 1INTENT Limited | Information & communication | 2020 |
| 1ONES Construction Ltd | Construction | 2022 |
| 1ST Fabs Ltd | Manufacturing | 2022 |
| 1ST GAS Limited | Construction | 2016 |
| 207 Grange Road RMA Ltd | Households | 2016 |
| 20TEN Racing Limited | Wholesale & retail | 2008 |
| 21CL LLP | | 2024 |
| 21ST Century Law Limited | Professional & scientific | 2012 |
| 24/THREE Consultants Ltd | Professional & scientific | 2021 |
| 25SEVENIT Limited | Extraterritorial | 2006 |
| 29 Vartry Road Management Company Limited | Real estate | 2015 |
| 2DRIVE Recruitment Ltd | Administrative & support | 2022 |
| 2P Limited | Real estate | 2016 |
| 2SDC Projects Limited | Professional & scientific | 2026 |
| 31 North Park Road Management Company Limited | Households | 1997 |
| 360 Elite Property Ltd | Real estate | 2024 |
| 360 Estate Solutions Ltd | Real estate | 2023 |
| 3RD Wave Web Solutions Ltd | Information & communication | 2010 |
| 3WM Limited | Information & communication | 2008 |
| 4 Garden Ltd | Transport & logistics | 2017 |
| 4 X 4 Cars Limited | Wholesale & retail | 2014 |
| 40/42 Robin Hood Lane Residents Management Company Limited | Households | 2005 |
| 404 Marketing Limited | Information & communication | 2023 |
| 4D Medical Ltd | Health & social care | 2014 |
| 4F Media Ltd | Information & communication | 2020 |
| 4G Consulting Ltd | Administrative & support | 2024 |
| 4GOLD Associates Limited | Hospitality | 2025 |
| 5 Boroughs Lubricants Ltd. | Manufacturing | 2014 |
| 500 Owners' Association Limited | Other services | 1992 |
| 5GCIVILS Ltd | Construction | 2022 |
| 5YT Ltd | Professional & scientific | 2018 |
| 6 Wellington Road RTM Company Limited | Professional & scientific | 2006 |
| 6A-C Management Company Ltd | Households | 2025 |
| 73 ST. James's Street RTM Company Limited | Real estate | 2004 |
| 79 Windham Road Management Limited | Households | 2005 |
| 8 Stage Limited | Manufacturing | 2006 |
| 92 Harlaxton Road Ltd | Real estate | 2014 |
| A & a Henson Limited | Hospitality | 2007 |
| A & C Parker Ltd | Transport & logistics | 2017 |
| A & I Kooner UK Limited | Hospitality | 2025 |
| A & N Associates Ltd | Health & social care | 2024 |
| A & R Properties (Lincoln) Limited | Real estate | 2017 |
| A B Conveyors (Holdings) Limited | Financial services | 2024 |
| A B Plumbing & Heating (1992) Limited | Construction | 2006 |
| A E M Lifting Limited | Extraterritorial | 2014 |
| A Fine Experience Limited | Administrative & support | 2026 |
| A G Optics Ltd | Wholesale & retail | 2022 |
| A Given Gift Ltd | Other services | 2020 |
| A Howe Plumbing & Heating Ltd | Construction | 2012 |
| A J C Land Ltd | Real estate | 2011 |
| A J T Electrical (Notts) Ltd | Construction | 2014 |
| A L a Services Limited | Construction | 2023 |
| A Little BIT Wilder Ltd | Education | 2021 |
| A M Repairs Ltd | Wholesale & retail | 2018 |
| A Place to Call OUR Own Limited | Health & social care | 2003 |
| A R Wilson Agricultural Limited | Agriculture & fishing | 2022 |
| A to Z Wellness Coaching Limited | Extraterritorial | 2024 |
| A W Bellamy Properties Limited | Real estate | 2016 |
| A W S Tyres & SON Limited | Manufacturing | 2003 |
| A&H Bedding Supplies Ltd | Wholesale & retail | 2025 |
| A&Mw Properties Limited | Hospitality | 2024 |
| A-Game Consultancy Ltd | Health & social care | 2020 |
| A-Sprayer Limited | Construction | 2015 |
| A. M. Wightman Ltd. | Construction | 2003 |
| A. Norcross & SON Limited | Agriculture & fishing | 1975 |
| A. Rose (Newark) Limited | Wholesale & retail | 1948 |
| A. W. Trucking Company Ltd | Transport & logistics | 2018 |
| A.E. Willows & SON Limited | Agriculture & fishing | 1972 |
| A.T.L. Electrical Ltd | Construction | 2003 |
| A1 Barber Newark Ltd | Other services | 2025 |
| A1 Controls (Newark) Limited | Construction | 2006 |
| A1 Fish Bar Limited | Hospitality | 2019 |
| A2SME Ltd | Professional & scientific | 2026 |
| A8MT Holdings Ltd | Professional & scientific | 2013 |
| Aabi Ltd | Wholesale & retail | 2025 |
| AAR Green Air Ltd | Information & communication | 2024 |
| Aarsleff Ground Engineering Limited | Construction | 1991 |
| AB Translation & Benefits Ltd | Professional & scientific | 2018 |
| Aba's Soup Ltd | Wholesale & retail | 2025 |
| Abbie Fitzpatrick Designs Ltd | Administrative & support | 2022 |
| Abbott & Co. (Newark) Limited | Manufacturing | 1993 |
| ABC Safety Ltd | Professional & scientific | 2023 |
| Abergavenny Professional Services Limited | Other services | 2020 |
| ABG Maintenance Ltd | Professional & scientific | 2018 |
| Abib Private Ltd | Wholesale & retail | 2016 |
| Ablehomes Limited | Construction | 1982 |
| ABM Precast Solutions Ltd | Manufacturing | 2005 |
| Abode Mortgage & Protection Solutions Limited | Financial services | 2017 |
| Abode Wills & Estate Planning Limited | Other services | 2024 |
| ABR Construction Limited | Construction | 2015 |