| Aarde Landscape Architecture Ltd | London | 2022 |
| Aardech Engineering Ltd | Derry | 2026 |
| Aarden Engineering Ltd | Wath Upon Dearne | 2017 |
| Aardian Ltd | Eastbourne | 2020 |
| Aardkloot Consulting Limited | Edinburgh | 2015 |
| Aardman Associates Limited | Glastonbury | 2004 |
| Aardman Employee Ownership Trustee Limited | Bristol | 2018 |
| Aardmann Limited | Wimbledon | 2002 |
| Aardun Limited | Wimborne | 2021 |
| Aardvark Abacus Limited | Leeds | 2019 |
| Aardvark Accounting Ltd | Wimborne | 2016 |
| Aardvark Accounting Services Limited | Sevenoaks | 2008 |
| Aardvark Aerial Ltd | St Albans | 2017 |
| Aardvark Aerospace Ltd | Ashford | 2010 |
| Aardvark Associates Ltd | Huddersfield | 2015 |
| Aardvark Base Ltd | Paignton | 2020 |
| Aardvark Business Consultancy Ltd | Derby | 2022 |
| Aardvark Certification Limited | Devon | 2016 |
| Aardvark Copy Ltd | Southam | 2016 |
| Aardvark Copywriters Limited | London | 2011 |
| Aardvark Creative Ltd | Wimborne | 2026 |
| Aardvark Design Services Limited | Buckingham | 2017 |
| Aardvark Designs Limited | Leicestershire | 2006 |
| Aardvark Europe Limited | Plymouth | 2005 |
| Aardvark Financial Ltd | Haslemere | 2009 |
| Aardvark FX Ltd | Keynsham | 2014 |
| Aardvark Goldstone Legal Ltd | Twickenham | 2022 |
| Aardvark Hygiene Consultants Limited | Bruton | 2014 |
| Aardvark INK Limited | Whitstable | 2016 |
| Aardvark Language Services Ltd | York | 2011 |
| Aardvark Legal Services Limited | Worcester | 2016 |
| Aardvark Marketing Consultants Ltd | Solihull | 2008 |
| Aardvark Occupational Health Ltd | Highbridge | 2009 |
| Aardvark Rail & Civil Engineering Ltd | Doncaster | 2025 |
| Aardvark Research Limited | Surrey | 2007 |
| Aardvark Surveying Limited | West Malling | 2013 |
| Aardvark Taxation Services Limited | Dartford | 1996 |
| Aardvarker.Com Limited | Chester | 2010 |
| Aarete UK Limited | London | 2019 |
| Aari & Zari Ltd | Chichester | 2013 |
| Aari Consultancy Limited | East Kilbride | 2020 |
| Aari Inter Hire UK Ltd | Brentford | 2025 |
| Aari Investments Ltd | Leicester | 2024 |
| Aariv Services Limited | London | 2022 |
| Aariva Law Limited | Stanmore | 2026 |
| Aariz & Co. Ltd | Worcester Park | 2019 |
| Aarken Consultancy Services Limited | Leeds | 2017 |
| Aarkiq Limited | Accrington | 2026 |
| Aarkri Ltd | Hayes | 2017 |
| Aarkz Design Limited | Loughton | 2014 |
| Aarley Accounting Ltd | London | 2025 |
| Aarlo Designs Limited | Winchester | 2010 |
| Aarmaa Finance Management Ltd | Leicester | 2025 |
| Aarmadillo Limited | Ruislip | 2015 |
| Aarmill Marketing Consultancy Ltd | Manchester | 2013 |
| Aarmon Consulting Limited | Middlesex | 2005 |
| Aarnastec Limited | Harrow | 2022 |
| Aarnex Law Ltd | London | 2025 |
| Aarnic Ltd | Watford | 2015 |
| Aaro Capital Limited | London | 2018 |
| Aarogyam Radiology Services Limited | Horley | 2023 |
| Aarohan Ltd | London | 2013 |
| Aaron & Partners (Chester) Limited | Chester | 1994 |
| Aaron Anderson & Mckinsey Limited | London | 1994 |
| Aaron Anthony Solutions Ltd | London | 2026 |
| Aaron Architectural Limited | Lincoln | 2023 |
| Aaron Associates (UK) Limited | Wallington | 2004 |
| Aaron B Consultancy Limited | Manchester | 2023 |
| Aaron Barbour Consultancy Ltd | Lancing | 2023 |
| Aaron Barnes Consultancy Limited | Alcester | 2024 |
| Aaron Bash AV Ltd | Mildenhall | 2022 |
| Aaron Brookes Architects Limited | Warwick, Warwickshire | 2023 |
| Aaron D Costa Design Limited | London | 2018 |
| Aaron David Consulting Limited | Sheffield | 2017 |
| Aaron Dean Engineering Ltd | Carlisle | 2023 |
| Aaron Desmond Consulting Limited | Chelmsford | 2014 |
| Aaron ESH Ltd | Witham | 2022 |
| Aaron Evans Architects Limited | Bath | 1986 |
| Aaron FEE Ltd | Manchester | 2014 |
| Aaron Figgett Photography Ltd | Romford | 2023 |
| Aaron Gale Ltd | Fareham | 2026 |
| Aaron GAS Limited | St Annes | 2007 |
| Aaron J Powis Bsc(Hons) FCA CTA Ltd | Ludlow | 2020 |
| Aaron Lotey Ltd | Waltham Abbey | 2019 |
| Aaron Mcfeely Ltd | Scunthorpe | 2015 |
| Aaron MCG Consulting Ltd | Belfast | 2025 |
| Aaron Mclean Engineering Limited | Exeter | 2015 |
| Aaron Millar Associates Limited | Milton Keynes | 1998 |
| Aaron Murray Images Limited | Kingston Upon Thames | 2013 |
| Aaron PAY Limited | Stockport | 2021 |
| Aaron Peacock Inspection Limited | Longfield | 2016 |
| Aaron Powell Consultancy Services Limited | Dunstable | 2012 |
| Aaron Probyn Limited | Birmingham | 2015 |
| Aaron Russell Photography Ltd | Swadlincote | 2018 |
| Aaron Smith Limited | Bideford | 2015 |
| Aaron Tait Ltd | Basildon | 2026 |
| Aaron Tawny Mortgages Limited | Northamptonshire | 2000 |
| Aaron Thomas Consulting Ltd | Chelmsford | 2025 |
| Aaron Tolley Graphic Design Ltd | Stafford | 2014 |
| Aaron Toombs Contracting Ltd | Derby | 2019 |