| 18one Cleaning Services Ltd | Painters & decorators | S75 2SW | 2019 |
| 1st Choice Seamless Gutters Ltd | Builders | S74 9JB | 2022 |
| 2 S Plumbing & Heating Ltd | Plumbing & heating | S70 2BB | 2012 |
| 4 Thebest Ltd | Hair & beauty | S70 1QQ | 2019 |
| 7 Hills Plastering Ltd | Plasterers | S35 4DB | 2026 |
| A & C Construction (Yorkshire) Ltd | Builders | S75 4SG | 2020 |
| A B Rooftech Ltd | Roofers | S70 2BP | 2024 |
| A Creighton Plant Hire Ltd | Builders | S70 1TL | 2013 |
| A M Multi-Utilities Ltd | Builders | S70 1TL | 2006 |
| A O Site Services Ltd | Builders | S75 6JE | 2018 |
| A Premier Roofing & Cladding Ltd | Roofers | S35 3HP | 2023 |
| A&A Motors (Wombwell) Ltd | Garages & mechanics | S35 2XH | 2024 |
| A-Side Boilers Ltd | Builders | S75 3DY | 2026 |
| A-Z Home Improvements Ltd | Plumbing & heating | S70 1TL | 2019 |
| A.B.S Property Specialists Ltd | Joiners & carpenters | S35 4NY | 2015 |
| A.D.E Installations Ltd | Builders | S70 2BB | 2020 |
| A.L.Fenton Roofing Ltd | Roofers | S70 6PF | 2014 |
| A.M.Roofing Ltd | Roofers | S74 0PB | 2015 |
| A.N.S Construction Ltd | Builders | S70 2BP | 2011 |
| A.N.S. Homes Ltd | Builders | S70 2BP | 2017 |
| A2z Mobile Barbers Ltd | Hair & beauty | S35 2UP | 2023 |
| Aa Ground Ltd | Hair & beauty | S70 2LW | 2023 |
| Aa Pvt Clients Ltd | Hair & beauty | S70 2LW | 2023 |
| Ab&H Safety Services Ltd | Builders | S75 1JL | 2020 |
| Abbey-Tek Doors Ltd | Builders | S75 3LS | 2022 |
| Abseilute Access Ltd | Builders | S35 3HT | 2020 |
| Abstract Building and Maintenance Ltd | Builders | S70 2NP | 2020 |
| Abydoz Ltd | Builders | S75 1JL | 2021 |
| Acahm&Co Ltd | Hair & beauty | S70 2RP | 2023 |
| Ace (South Yorkshire) Ltd | Electricians | S75 3LS | 2011 |
| Acura Energy Controls Ltd | Electricians | S75 2RG | 2012 |
| Acura Network Installations Ltd | Electricians | S75 2RG | 2024 |
| Ada & Iris Ltd | Hair & beauty | S75 5QP | 2026 |
| Adaptafit Property Solutions Ltd | Builders | S75 3QY | 2026 |
| Addicted Ltd | Hair & beauty | S70 2LW | 2013 |
| Adrian Allen Ltd | Hair & beauty | S70 2LW | 2014 |
| Advance Vehicle Solutions Ltd | Garages & mechanics | S74 9DF | 2022 |
| Advanced Excavation Ltd | Groundworks & demolition | S75 1JL | 2015 |
| Adx Environmental Services Ltd | Cleaners | S35 9TU | 2026 |
| Aerials & Cctv By Kal Ltd | Electricians | S74 0DQ | 2023 |
| Agqs Ltd | Builders | S70 6PQ | 2011 |
| Air Centric Facilities Ltd | Plumbing & heating | S35 2XH | 2018 |
| Air Centric Ventilation Ltd | Plumbing & heating | S35 2XH | 2021 |
| Air Source Heating and Servicing Ltd | Plumbing & heating | S35 9YR | 2023 |
| Aj Interiors Ltd | Painters & decorators | S35 4FQ | 2026 |
| Aj Wardrobes Ltd | Joiners & carpenters | S74 0DQ | 2025 |
| Ajh Site Services Ltd | Builders | S75 5PT | 2025 |
| Ak Ceramics Ltd | Flooring & tiling | S70 6PF | 2025 |
| Akw Installations Ltd | Glaziers | S35 9YR | 2011 |
| Al & Di'S Ltd | Garages & mechanics | S70 1AQ | 2014 |
| Al Control Solutions Ltd | Plumbing & heating | S70 3BY | 2014 |
| Alan Wood (Plumbing & Heating Contractors) Ltd | Plumbing & heating | S75 1HT | 1998 |
| Aldan Building Solutions Ltd | Plasterers | S35 1TX | 2013 |
| Aleksandr Ltd | Builders | S70 3QT | 2023 |
| Alex Taxi Ltd | Builders | S70 6HW | 2018 |
| Alexander Heating Installations Ltd | Plumbing & heating | S75 3TF | 2025 |
| Alexio Plumbing Ltd | Plumbing & heating | S35 4JF | 2025 |
| Alfresco Air Ltd | Plumbing & heating | S75 2PQ | 2012 |
| Ali Logistics & Removal Ltd | Removals | S70 2RP | 2026 |
| All Aspects Roofing Contractors Ltd | Roofers | S70 2BP | 2025 |
| All Dry Damp Proofing Ltd | Builders | S70 1TL | 2011 |
| All In One Group Ltd | Builders | S75 1JU | 2004 |
| Alliance Roofing Yorkshire Ltd | Roofers | S75 1LG | 2021 |
| Alltek Plastering & Rendering Ltd | Builders | S75 5QH | 2026 |
| Almaznaz Ltd | Hair & beauty | S70 1YL | 2019 |
| Alo Electrical Ltd | Electricians | S74 0PB | 2025 |
| Alpha Joinery & Carpentry Ltd | Joiners & carpenters | S74 0DQ | 2023 |
| Am Building & Developments Ltd | Joiners & carpenters | S75 2RG | 2019 |
| Am Building Services (Yorkshire) Ltd | Builders | S35 2PH | 2013 |
| Amb Electrical Contractors Ltd | Electricians | S75 5DG | 2023 |
| Amg Electrical Engineers Ltd | Electricians | S35 2XH | 2025 |
| Amma Access Ltd | Roofers | S74 8EZ | 2025 |
| Ams Builders (Yorkshire) Ltd | Builders | S75 3LS | 2014 |
| Amy Lou Artistry Ltd | Hair & beauty | S75 4QS | 2026 |
| Anchor Projects Barnsley Ltd | Builders | S70 1TL | 2020 |
| Andy White Electrical Services Ltd | Electricians | S35 3PA | 2016 |
| Angle Roofing Ltd | Roofers | S75 2RG | 2024 |
| Anglo Roofing Ltd | Roofers | S35 4HF | 2011 |
| Annabel Leah Interiors Ltd | Joiners & carpenters | S75 2RG | 2003 |
| Another Dimension Hair Emporium Ltd | Hair & beauty | S70 2RS | 2025 |
| Antscapes and Groundworks Ltd | Gardeners & landscapers | S35 9XX | 2020 |
| Any Electrical Contractors Ltd | Electricians | S75 5PL | 2025 |
| Aol Mot & Service Centre Ltd | Garages & mechanics | S75 6BP | 2013 |
| Aphrodite Day Spa Ltd | Hair & beauty | S70 2LW | 2013 |
| Apj Automotive Ltd | Garages & mechanics | S70 5XB | 2026 |
| Appleton Handy Services Ltd | Builders | S70 2BB | 2024 |
| Aquaforce Plumbing Solutions Ltd | Plumbing & heating | S75 2RG | 2003 |
| Ar Construction & Project Management Ltd | Builders | S70 1BA | 2014 |
| Arbern Carpentry & Building Services Ltd | Builders | S75 2RG | 2020 |
| Arc Power Solutions Ltd | Builders | S75 3SP | 2012 |
| Ariande Ltd | Hair & beauty | S70 2LW | 2020 |
| Aries Motor Engineers Ltd | Garages & mechanics | S75 6DT | 1990 |
| Aries Trading (UK) Ltd | Builders | S75 2RG | 2011 |
| Armtech Developments Ltd | Electricians | S70 6PL | 2019 |
| Arnold Construction Services Ltd | Joiners & carpenters | S70 2BB | 2021 |
| Artopia 22 Ltd | Glaziers | S74 9AR | 2023 |
| Ashaps&M Ltd | Plumbing & heating | S70 2BP | 2023 |
| Asl Electrical Contractors Ltd | Electricians | S70 2SB | 2016 |
| Asphalt Grid Systems Ltd | Builders | S35 9WA | 2003 |
| Athersley Commercial Ltd. | Builders | S75 1BB | 2010 |
| Atlas Refurbishment (Northern) Ltd | Builders | S35 9TG | 1997 |
| Atta Homes Ltd | Builders | S70 2EU | 2014 |
| Aura Special Projects Ltd | Builders | S35 0GP | 2026 |
| Auto Body Solutions Ltd | Garages & mechanics | S75 1JT | 2026 |
| Avedi Solutions Ltd | Electricians | S70 1AW | 2017 |
| Avey Homes Ltd | Builders | S74 0PB | 2023 |
| Ay Building and Landscaping Ltd | Builders | S70 1TL | 2024 |
| Azar Fire Ltd | Builders | S75 3UB | 2022 |
| B & A Door Solutions Ltd | Builders | S75 3LS | 2019 |
| B & D Electrical Contractors Ltd | Electricians | S75 2RG | 2013 |
| B M Plumbing Services Ltd | Plumbing & heating | S35 2ZQ | 2014 |
| B Nails and Beauty Ltd | Hair & beauty | S70 2QX | 2024 |
| B-Line Property Services Ltd | Builders | S75 2QQ | 2019 |
| B.A. Haxby (Barnsley) Ltd | Joiners & carpenters | S70 2BB | 1984 |
| B.Raine Plastering Ltd | Plasterers | S70 2NP | 2024 |
| Bach Barbers Ltd | Hair & beauty | S35 4LE | 2016 |
| Bamford Timber Frame Specialists Ltd | Joiners & carpenters | S70 2BP | 2017 |
| Bamforth Construction Ltd | Builders | S35 3XX | 2015 |
| Bamo Barber Shop Ltd | Hair & beauty | S70 2QX | 2025 |
| Bar De Beaute Ltd | Hair & beauty | S70 4JJ | 2023 |
| Barberlanduk Ltd | Hair & beauty | S70 1HS | 2024 |
| Barberworxs Ltd | Hair & beauty | S74 0PB | 2026 |
| Barlows Bespoke Interiors Ltd | Joiners & carpenters | S70 1TL | 2025 |
| Barnbrook Landscaping Ltd | Gardeners & landscapers | S75 1FY | 2026 |
| Barnes Green Landscapes Ltd | Gardeners & landscapers | S35 1RS | 2003 |
| Barnsley Barbers Ltd | Hair & beauty | S70 1BH | 2025 |
| Barnsley Brickwork Academy Ltd | Builders | S70 2HT | 2020 |
| Barnsley Contract Flooring Ltd | Flooring & tiling | S70 3BE | 2026 |
| Barnsley Tyre Centre Ltd | Garages & mechanics | S70 5PG | 2012 |
| Barrett Earthworks Ltd | Builders | S75 2DH | 2018 |
| Basement Dreams Ltd | Builders | S35 7DA | 2025 |
| Bdb Design Build Ltd | Builders | S35 2PY | 1994 |
| Bdt Plumbing and Heating Ltd | Plumbing & heating | S75 3SP | 2017 |
| Be Cleanz Ltd | Cleaners | S70 6RW | 2025 |
| Bear Skin Aesthetics Ltd | Hair & beauty | S70 6EA | 2024 |
| Beauty Nest H&G Ltd | Hair & beauty | S35 0PD | 2022 |
| Beauty Trixx Ltd | Hair & beauty | S35 8PX | 2018 |
| Beaut㉠Academy & Training Ltd | Hair & beauty | S70 5ET | 2025 |
| Bee Green Energies Ltd | Plumbing & heating | S35 2XH | 2025 |
| Bem Electrical Services Ltd | Electricians | S70 3PN | 2014 |
| Berg Detailing Rotherham Ltd | Cleaners | S35 4GD | 2024 |
| Bespoke Bathrooms Plumbing & Tiling Ltd | Builders | S35 8PB | 2015 |
| Bespoke Improvements Ltd. | Builders | S74 0DQ | 2008 |
| Beyond Beauty Treatments and Training Ltd | Hair & beauty | S35 2UJ | 2025 |
| Beyond Magnolia Ltd | Painters & decorators | S70 2LW | 1994 |
| Bh Bathroom Specialists & Interiors Ltd | Builders | S35 9TU | 2022 |
| Bh Joinery Ltd | Joiners & carpenters | S70 4DT | 2024 |
| Bigseed Projects Ltd | Builders | S35 3HS | 2026 |
| Bingham & Clarkson Ltd | Electricians | S35 9YW | 2014 |
| Binks Executive Homes Ltd | Builders | S75 4EJ | 1991 |