| "Ippokrates" Medical Services Limited | Health & social care | 2014 |
| 06449000 Ltd | Professional & scientific | 2007 |
| 08020242 Limited | Financial services | 2012 |
| 3D Protection Ltd | Administrative & support | 2013 |
| AB UK Medical Ltd | Health & social care | 2015 |
| AC Tyres Limited | Water & waste | 2008 |
| AJT Identity Limited | Information & communication | 2022 |
| Aletheia Transport Ltd | Transport & logistics | 2018 |
| Another Squirrel Limited | Professional & scientific | 2016 |
| Aratellus Assets Limited | Administrative & support | 2023 |
| Arcus Ventures Ltd | Agriculture & fishing | 2013 |
| ASH Newsagents Limited | Wholesale & retail | 2004 |
| Aurizon Ltd | Construction | 2023 |
| B.Smiths (Thirsk) Limited | Construction | 1951 |
| Barclay Warwick Consulting Limited | Information & communication | 2019 |
| BCF Recruitment Ltd | Administrative & support | 2017 |
| Better Business Publishing Ltd. | Professional & scientific | 2018 |
| BIT Building Services Ltd | Construction | 2021 |
| Brickles & Co. Ltd | Hospitality | 2023 |
| Brickwork Services Limited | Construction | 2005 |
| Brierley Windows Limited | Construction | 2011 |
| Buckleyav Limited | Information & communication | 2013 |
| Camxmedia Ltd | Administrative & support | 2012 |
| Cancon Ltd | Professional & scientific | 2019 |
| CBS (Featherstone) Limited | Wholesale & retail | 2010 |
| Cleveland & Highland Holdings Ltd | Agriculture & fishing | 1922 |
| Clifton Day Solicitors Limited | Professional & scientific | 2016 |
| Creative and Learning Media Ltd | Information & communication | 2009 |
| David Jackson Butchers Ltd | Wholesale & retail | 2002 |
| DR D J Scoones Pathology Services Ltd | Health & social care | 2017 |
| EDM Technical Ltd | Professional & scientific | 2018 |
| Enable Building Products Ltd | Wholesale & retail | 2020 |
| Exswift Fuels Ltd | Other services | 2017 |
| Extreme Cleaning Midlands Limited | Administrative & support | 2018 |
| Finn’S Bakery & Catering Ltd | Manufacturing | 2021 |
| Forrest Environmental Services Limited | Administrative & support | 2022 |
| Freeman (Vehicle Distributors) Holdings Limited | Real estate | 1964 |
| Funkit World Limited | Administrative & support | 2003 |
| Furniture Reclamation and Delivery Enterprise | Wholesale & retail | 1993 |
| Grano Restaurants Ltd | Hospitality | 2017 |
| Guldari Ltd | Manufacturing | 2025 |
| Harkin Associates Limited | Professional & scientific | 2017 |
| Hartlepool Care Services Limited | Health & social care | 2000 |
| Here Tomorrow Advisory Ltd | Professional & scientific | 2023 |
| Herondata Sales Limited | Administrative & support | 1984 |
| High Tunstall Construction Ltd | Construction | 2023 |
| Holsec Ltd | Information & communication | 2014 |
| JGN Property Investment Limited | Real estate | 2019 |
| JPC Community Farm | Health & social care | 2016 |
| LJB Heating and Plumbing Ltd | Construction | 2011 |
| LTM Teesside Ltd | Professional & scientific | 2019 |
| M&S Importers & Distribution Limited | Wholesale & retail | 2016 |
| M.S.G Electrical Limited | Construction | 2018 |
| Maitreya Properties Limited | Real estate | 2014 |
| Marty Mcfry's Boho Limited | Hospitality | 2020 |
| Marty Mcfry's Hudson Quay Limited | Hospitality | 2020 |
| MB of Darlington Ltd | Wholesale & retail | 2011 |
| Mphair Limited | Other services | 2018 |
| MSA Survey Ltd | Professional & scientific | 2018 |
| Mulberry Imports Limited | Wholesale & retail | 1990 |
| N N C Electrical Limited | Construction | 2007 |
| Nathan Bell Upvc Limited | Construction | 2012 |
| North Eastern Technology Solutions Ltd | Information & communication | 2013 |
| P Michael Construction Limited | Construction | 2021 |
| Proagile Ltd | Agriculture & fishing | 2011 |
| PT7 Group Ltd | Wholesale & retail | 2019 |
| RAY Main Creative Ltd | Administrative & support | 2019 |
| Reclaimed for YOU Ltd | Water & waste | 2015 |
| Regdan Housing Services C.I.C. | Health & social care | 2018 |
| Retro Revivals Ltd | Wholesale & retail | 2016 |
| RKW Hospitality & Events Ltd | Hospitality | 2025 |
| RS Industrial Services (Tyne & Wear) Limited | Professional & scientific | 2012 |
| RSR Drainage Limited | Water & waste | 2009 |
| Sfpss Ltd | Professional & scientific | 2018 |
| Shortgrove Renovation & Construction Ltd | Professional & scientific | 2011 |
| SN Botanicals Ltd | Wholesale & retail | 2015 |
| Stokesley Garage Ltd | Wholesale & retail | 2020 |
| Storehouse Kitchen Ltd | Hospitality | 2019 |
| STUFF4LIFE Ltd | Other services | 2020 |
| TN Smile Solutions Ltd | Health & social care | 2020 |
| Tommy B Limited | Financial services | 2012 |
| UP North Cabinet Makers Ltd | Manufacturing | 2021 |