| Art of Ping Pong Limited | London | 2021 |
| Art of Strength Ltd | Bathgate | 2026 |
| Art of the Loom Ltd | Clitheroe | 2010 |
| Art of WAR Studios Ltd | Borehamwood | 2014 |
| Art of Work Printing Ltd | Hull | 2025 |
| Art on Glass Limited | Wisbech | 1994 |
| Art on Metal Ltd | Portsmouth | 2025 |
| Art OR NOT Ltd | Milton Keynes | 2025 |
| Art Parcel Limited | Newport | 2016 |
| Art Pattern Ltd | Leicester | 2011 |
| Art Pewter-Silver Limited | Glasgow | 1968 |
| Art Please Ltd | Glasgow | 2015 |
| Art Printed Ltd | Market Harborough | 2024 |
| Art Printers Ltd | Bognor Regis | 2008 |
| Art Robotics Ltd | Kingston Upon Thames | 2023 |
| Art Rugs Ltd | Hove | 2007 |
| Art Screen Prints Limited | Preston Farm Business Park | 2002 |
| Art Sign & Graphics Limited | Benfleet | 2002 |
| Art Stone Concrete Ltd | Walkerburn | 2025 |
| Art Stone International UK Ltd | Hull | 2024 |
| Art Sweets Limited | Luton | 2023 |
| Art Vivid Ltd | Isleworth | 2013 |
| Art With Glass Ltd | Penge | 2022 |
| Art With Stone Ltd | Preston | 2023 |
| Art Wood DE Corfu Limited | Rickmansworth | 2021 |
| Art X Construct Ltd | Romford | 2025 |
| Art YOU Wear Ltd | Nottingham | 2022 |
| Art-Pol Joinery Limited | Mitcham | 2007 |
| Art-Sew-Design Limited | Basildon | 2009 |
| Art.Tex Ltd | Manchester | 2021 |
| ART3DWOOD Ltd | London | 2021 |
| ART4FOLK Limited | London | 2022 |
| ART4SITE Ltd | Ashford | 2008 |
| Artabilia Ltd | Edinburgh | 2022 |
| Artaero Limited | Ipswich | 2024 |
| Artah Nutrition Ltd | London | 2021 |
| Artathlon Games Limited | London | 2018 |
| Artathlon Water Limited | London | 2018 |
| Artavia Limited | Hitchin | 2016 |
| Artbeat Limited | Derbyshire | 2003 |
| Artbloc Company Ltd | Coventry | 2005 |
| Artcadia Limited | Shrewsbury | 2018 |
| Artcave Ltd | Leicester | 2023 |
| Artcharter Limited | London | 2023 |
| Artchocolat Ltd | Hailsham | 2019 |
| Artclear Ltd | London | 2016 |
| Artcol Limited | Reading | 2021 |
| Artcon Electronics Ltd | Rushden | 2023 |
| Artcool Ltd | Gosport | 2002 |
| Artcoustic International Ltd | London | 2000 |
| Artcuts Limited | Haywards Heath | 2012 |
| Artdetail Ltd | London | 2019 |
| Arte Creative Design Limited | Smethwick | 2008 |
| Arteafinity Ltd | Manchester | 2019 |
| Artec Boxer UK Ltd | Bristol | 2023 |
| Artec Engineering Limited | Emsworth | 1964 |
| Artech Lighting (Caledonia) Limited | Durham | 2021 |
| Artech Lighting (London) Limited | Durham | 2021 |
| Artech Lighting Limited | Durham City | 2013 |
| Artech Reduction Technologies Limited | Manchester | 2003 |
| Artech Services Limited | Cannock | 1997 |
| Arteche UK Limited | Worthing | 2022 |
| Arteco Designs Limited | Camberley | 2012 |
| Artee Ltd | Chepstow | 2026 |
| Artee.Ee Ltd | Milton Keynes | 2024 |
| Artefact Brewing Ltd | Bury St. Edmunds | 2019 |
| Artefact Coffee Ltd | Farnham | 2023 |
| Artefact Fine Furnishings Limited | Altrincham | 2013 |
| Artefekz Limited | Coventry | 2002 |
| Artel Rubber Company Limited | Alcester | 2008 |
| Artel Rubber Holdings Limited | Alcester | 2006 |
| Artemas Joseph Holdings Ltd | Abingdon | 2019 |
| Artemis Aerospace Limited | Hove East Sussex | 1999 |
| Artemis Bakery Ltd | London | 2025 |
| Artemis Bloom Ltd | Petworth | 2025 |
| Artemis Brew Ltd | Womersley | 2015 |
| Artemis Hera Ltd | Glasgow | 2026 |
| Artemis Kitchens Ltd | Edinburgh | 2018 |
| Artemis Metal Ltd | London | 2025 |
| Artemis Optical (Holdings) Limited | Plymouth | 2008 |
| Artemis Optical Limited | Plymouth | 1952 |
| Artemis Robotics Limited | London | 2026 |
| Artemis Studio Limited | Newmarket | 2025 |
| Artemis Technologies Ltd | Salisbury | 2015 |
| Artemisa Natural UK Ltd | London | 2023 |
| Artemystica Ltd | Bridport | 2020 |
| Arteng Limited | Kidderminster | 2022 |
| Arterfacts Ltd. | Moreton | 2018 |
| Arterlix Limited | London | 2014 |
| Artery Print Ltd | Glasgow | 2023 |
| Artesian Waters Ltd | Manchester | 2023 |
| Artevo Windows Limited | Wirral | 2024 |
| Artex LG Ltd | Ilkeston | 2015 |
| Artfab Solutions Ltd | Rainham | 2022 |
| Artfe by K Paxton Blacksmiths Ltd | Broxburn | 2011 |
| Artfinnest OLX Ltd | Sunderland | 2025 |
| Artfitz Ltd | Bingley | 2009 |
| Artfix Maintenance Ltd | Canvey Island | 2020 |
| Artflow Technology Limited | Reading | 2026 |
| Artforest Ltd | Rotherham | 2015 |