| 1 Rippington Drive (Old Marston) Management Company Limited | Households | 2006 |
| 110 Oxford Road Residents Management Company Ltd | Households | 2024 |
| 124 Gordon Road Limited | Households | 2018 |
| 125 Banbury Road Limited | Households | 1992 |
| 13-15 Oxford Road (Old Marston) Management Company Limited | Households | 2005 |
| 140 Oxford Road Limited | Financial services | 2018 |
| 165 Woodstock Road Management Company Limited | Households | 1986 |
| 18 Chestnut Road Management Limited | Extraterritorial | 2014 |
| 188 Enterprises Limited | Agriculture & fishing | 2025 |
| 18TH Century House Residents Company Limited | Households | 1996 |
| 2 Yarnells Hill (Oxford) Management Company Limited | Households | 2007 |
| 2-SISTERS Afro Shop Ltd | Hospitality | 2024 |
| 22-32 Demesne Furze (Freehold) Limited | Households | 2019 |
| 228-230 Woodstock Road Management Company Limited | Households | 2000 |
| 24 Marcham Road Flats Management Limited | Households | 1978 |
| 24BI Ltd | Professional & scientific | 2026 |
| 28 East Street Fritwell Limited | Households | 1998 |
| 2BSCIENTIFIC Limited | Professional & scientific | 2009 |
| 3 Alexandra Avenue Management Ltd | Households | 2019 |
| 3 Stanway Road (Headington) Management Company Limited | Households | 2006 |
| 3/5 Swinburne Road Management Company Limited | Households | 2006 |
| 30 Temple Street (Manco) Limited | Households | 2024 |
| 31 Fairacres Road Management Company Limited | Households | 2000 |
| 327 Woodstock Road Limited | Households | 2026 |
| 3DF Innovations Ltd | Manufacturing | 2023 |
| 3ES Education Ltd | Other services | 2012 |
| 42BOXES Ltd | Information & communication | 2026 |
| 450 Argyle (Glasgow) Limited | Financial services | 2023 |
| 47 Upper Road Management Company Limited | Households | 2016 |
| 47 West Way Management Company Limited | Households | 2018 |
| 4THD Christmas Services Ltd | Administrative & support | 2024 |
| 4US Group Ltd | Transport & logistics | 2020 |
| 51-53 High Street (Wheatley) Management Company Limited | Real estate | 2005 |
| 61 Cumnor Hill (Oxford) Management Company Limited | Households | 2008 |
| 63EPR Limited | Arts & recreation | 2021 |
| 66 Nuffield Road NO: 2 Limited | Households | 2006 |
| 69 Woodstock Road (Oxford) Management Company Limited | Households | 2003 |
| 69 Woodstock Road Phase 2 (Oxford) Management Company Limited | Households | 2004 |
| 74 Westminster Way Management Company Limited | Real estate | 2014 |
| 75-81 Lime Walk (Headington) Management Company Limited | Households | 2013 |
| 8 Summerleaze Crescent Management Company Limited | Households | 2008 |
| 8A the Flat Limited | Real estate | 2026 |
| 9/11 the Garth RTM Company Limited | Households | 2019 |
| 97 Northcourt Road (Abingdon) Management Company Limited | Households | 2011 |
| A Burden Plumbing & Heating Ltd. | Construction | 2008 |
| A G Scaffolding (Oxford) Ltd | Construction | 2014 |
| A K Khera Logistics Ltd | Transport & logistics | 2024 |
| A&B Smart Materials Limited | Professional & scientific | 2022 |
| A.K. Halsey Electrical Limited | Construction | 2023 |
| A1 Bookkeeping and Payroll Services Ltd | Professional & scientific | 1999 |
| A2BEE Ltd | Agriculture & fishing | 2025 |
| A2Z Trading and Investment Limited | Administrative & support | 2015 |
| A6 Audio Limited | Financial services | 2017 |
| Abbey Farm Barns Management Ltd | Households | 2011 |
| Abbey Farm Mews Management Company Limited | Households | 2013 |
| Abhideep Ltd | Information & communication | 2011 |
| Abhideep Properties Ltd | Real estate | 2023 |
| Abily Hypnotherapy Limited | Health & social care | 2019 |
| Abingdon Complete Garden Service Ltd | Administrative & support | 2020 |
| ABM Cyber Ltd | Information & communication | 2020 |
| Ac&Co Trading Ltd | Construction | 2023 |
| Acacia Care and Education Limited | Education | 2001 |
| Ace Tackle & Bait Limited | Wholesale & retail | 2016 |
| Ace Training and Consultancy Limited | Professional & scientific | 2011 |
| ACH Flooring Services Ltd. | Construction | 2000 |
| Achet Trading Ltd | Wholesale & retail | 2025 |
| Acronym Group Ltd | Professional & scientific | 2024 |
| ADD Extra Years Limited | Wholesale & retail | 2020 |
| ADK Consultancy Ltd | Professional & scientific | 2013 |
| Adrian Mcclelland Limited | Administrative & support | 2016 |
| Advantage IT Consulting Ltd | Information & communication | 2016 |
| Adwent Holdings Limited | Financial services | 2021 |
| Aegis Fibretech Ltd | Manufacturing | 2024 |
| Aerium Holdings Limited | Financial services | 2022 |
| Africa Creative Publishing Limited | Information & communication | 2019 |
| Agileco Ltd | Information & communication | 2019 |
| AH Design & Sourcing Studio Ltd | Manufacturing | 2024 |
| AHC Events Limited | Administrative & support | 2026 |
| Ahcs One Limited | Construction | 2020 |
| Ahoura Mezda Ltd | Manufacturing | 2026 |
| AIE Media & Design Ltd | Information & communication | 2024 |
| AJ Holdco Limited | Extraterritorial | 2020 |
| AJ Networx Limited | Information & communication | 2020 |
| Akeman Financial Solutions Ltd | Information & communication | 2021 |
| AL Carpentry & Interiors Ltd | Construction | 2025 |
| AL Sham Academy Oxford CIC | Education | 2025 |
| Alex Antonoa Ltd | Transport & logistics | 2023 |
| ALEX-71 Ltd | Other services | 2022 |
| Alistair Redhouse Estate Agents Limited | Real estate | 2011 |
| ALL Aspects Cleaning Ltd | Administrative & support | 2025 |
| ALL Bases Ltd | Construction | 2026 |
| ALL Deep Clean Ltd | Information & communication | 2026 |
| Allgreasedout Ltd | Other services | 2016 |
| Allme Group Limited | Information & communication | 2026 |
| Allsorts Group Ltd | Arts & recreation | 2022 |
| Almark of Oxford Ltd | Wholesale & retail | 2024 |
| Alnuha Company Ltd | Education | 2021 |
| Alto Dawn Ltd | Information & communication | 2026 |
| Altocloud Limited | Professional & scientific | 2009 |
| AM Build Oxford Ltd | Construction | 2020 |