| AJ Digital Creative Limited | Bourne | 2019 |
| AJ Doyle Ltd | High Peak | 2016 |
| AJ Earp Limited | London | 2017 |
| AJ Ecology Services Ltd | Blackpool | 2026 |
| AJ Economic Consultancy Limited | London | 2025 |
| AJ Elite Marketing Ltd | Eastleigh | 2023 |
| AJ Engineering Consultancy Ltd | Warrington | 2023 |
| AJ Engineering Design Limited | York | 2015 |
| AJ Engineers Consulting Limited | | 2006 |
| AJ Event Alchemy Ltd | Edinburgh | 2014 |
| AJ Financial and Immigration Ltd | Woodford Green | 2023 |
| AJ Fire Risk Consultants Limited | Barnet | 2024 |
| AJ Fleet and Co Limited | Hyde | 2014 |
| AJ Focus Limited | Dewsbury | 2022 |
| AJ FOX Limited | London | 2018 |
| AJ Garden Care Ltd | Edinburgh | 2026 |
| AJ Geotechnics Limited | Derby | 2022 |
| AJ Gibb Solutions Ltd | Dunfermline | 2020 |
| AJ Gibson Limited | York | 2012 |
| AJ Global Mobility Ltd | London | 2024 |
| AJ Global Trade Ltd | Dungannon | 2026 |
| AJ Goose Ltd | Woking | 2020 |
| AJ Graphics Designing Limited | Ipswich | 2025 |
| AJ Gray Ltd | Thatcham | 2011 |
| AJ Growth Limited | Aylesbury | 2022 |
| AJ Grønn Ltd | London | 2013 |
| AJ Hannah Ltd | Sheerness | 2025 |
| AJ Health Services Limited | Ilford | 2019 |
| AJ Highway Consultancy Ltd | Darlington | 2017 |
| AJ Hold Co Ltd | Cheadle | 2024 |
| AJ Holdings (DK) Ltd | Southampton | 2022 |
| AJ Hoskins Consulting & Development Ltd | Taunton | 2018 |
| AJ Hure Limited | London | 2013 |
| AJ Hyde Property Limited | Macclesfield | 2019 |
| AJ Industrial Services Ltd | Liverpool | 2024 |
| AJ Insight Consultancy Ltd | Hemel Hempstead | 2025 |
| AJ Inspection Limited | Swansea | 2007 |
| AJ International Consulting Holding Ltd | London | 2011 |
| AJ Isherwood Consulting Ltd | Biggleswade | 2017 |
| AJ IT Specialist Ltd | Stockport | 2025 |
| AJ Jackson Media Ltd | Bristol | 2026 |
| AJ Kelly Joinery & Property Services Ltd | Montrose | 2021 |
| AJ Lakes Ltd | Windermere | 2020 |
| AJ Lakes Training Academy Ltd | Manchester | 2020 |
| AJ Landscaping Ltd | Torquay | 2020 |
| AJ Law Limited | Hornchurch | 2018 |
| AJ Leaseplans Limited | Edgware | 2012 |
| AJ Legal Consultancy Ltd | Leicester | 2024 |
| AJ Legal Consultants Ltd | Ilford | 2013 |
| AJ Locke Consulting Engineers Ltd | Ashford | 2008 |
| AJ Lowe Business Consultancy Limited | Marlow | 2009 |
| AJ Lyon Limited | Edinburgh | 2008 |
| AJ Macdonald Copywriting Limited | Burnley | 2024 |
| AJ Main Consultancy Limited | Romford | 2025 |
| AJ Management Accountants Limited | London | 2002 |
| AJ Marketing Ltd | Maidstone | 2026 |
| AJ Marketing Solutions Ltd | Manchester | 2020 |
| AJ Mccann Consultants Ltd | Carryduff | 2003 |
| AJ Mech Engineering Ltd | Stockport | 2025 |
| AJ Mech Technical Services Ltd | Middlesbrough | 2022 |
| AJ Mechanical Services (NE) Limited | Middlesbrough | 2022 |
| AJ Media Consultants Limited | Tonbridge | 2017 |
| AJ Medical Reporting Ltd | London | 2025 |
| AJ Motorsport Tuning Ltd | Westcliff-On-Sea | 2021 |
| AJ Mullins Limited | Harrow | 2025 |
| AJ Murray Ltd | Doncaster | 2024 |
| AJ Northern Group Ltd | Nottingham | 2021 |
| AJ O'Neill Wealth Consultancy Ltd | Newport | 2026 |
| AJ Oliver and Company Ltd | Usk | 2014 |
| AJ Online Advertising Ltd | Bath | 2019 |
| AJ Paws Limited | Hope Valley | 2021 |
| AJ Pelley Ltd | Hemel Hempstead | 2022 |
| AJ Peters Consulting Limited | London | 2011 |
| AJ Photography (NW) Ltd | Dalton-In-Furness | 2022 |
| AJ Planning and Development Ltd | Newport | 2016 |
| AJ Planning Services Limited | Aberdeen | 2019 |
| AJ PMC Ltd | Montrose | 2015 |
| AJ Premier Ltd | Stevenage | 2016 |
| AJ Prestige Customz Ltd | Hertfordshire | 2017 |
| AJ Private Management Company Ltd | Brentford | 2017 |
| AJ Prive Ltd | London | 2015 |
| AJ Process Engineering Ltd | Cheltenham | 2015 |
| AJ Project Consulting Ltd | Slough | 2026 |
| AJ Project Management Consultancy Limited | London | 2010 |
| AJ QS Ltd | London | 2020 |
| AJ Qualitative Consultancy Ltd | Truro | 2009 |
| AJ Quantity Surveying Ltd | Newcastle Upon Tyne | 2023 |
| AJ Racing Ltd | Abingdon | 2021 |
| AJ Raeburn Ltd | Taunton | 2026 |
| AJ Ramsden Ltd | Llanelli | 2026 |
| AJ Reddy Limited | Driffield | 2019 |
| AJ Remote Sales Limited | Bodmin | 2022 |
| AJ Renewables Limited | London | 2016 |
| AJ Research Associates Ltd | Bedford | 2024 |
| AJ Resources Advisory Ltd | Henfield | 2026 |
| AJ Reubens Solicitors Limited | Beckenham | 2018 |
| AJ Reynolds Consulting Ltd | Southsea | 2020 |
| AJ Richardson Holdings Ltd | London | 2023 |
| AJ Richardson Ltd | London | 2024 |
| AJ Rudd Brickwork Ltd | Portsmouth | 2020 |