| Newlife Medical Limited | Health & social care | 2023 |
| Newlove Repair Service Limited | Manufacturing | 2015 |
| Newshore Investments Limited | Health & social care | 2022 |
| Nexus North Yorkshire Limited | Construction | 2018 |
| Nexus Shield Security Ltd | Financial services | 2025 |
| Nexus Solar Power Ltd | Construction | 2024 |
| NHL Limited | Manufacturing | 2026 |
| Nick Fletcher Electrical Ltd | Construction | 2003 |
| Nick Owen Drain Services Ltd | Administrative & support | 2018 |
| Nick Simpson & Sons Ltd | Transport & logistics | 2008 |
| Nikolas Shaw Limited | Arts & recreation | 1977 |
| Nikolas SRL Limited | Transport & logistics | 2025 |
| Nina.Pickering Ltd | Hospitality | 2020 |
| Nippy Taxis Limited | Transport & logistics | 2018 |
| Niraa UK Trading Ltd | Wholesale & retail | 2024 |
| NJC Builders & Landscapers Limited | Construction | 2023 |
| NMA Style Ltd | Other services | 2025 |
| Nnrollitright Ltd | Wholesale & retail | 2023 |
| NO 14 ST Johns Square Ltd | Households | 2022 |
| NO 7 ST Johns Square Limited | Households | 2023 |
| NO 9 ST Johns Square Limited | Households | 2023 |
| NO Limits Martial Arts & Fitness Centre Ltd | Arts & recreation | 2019 |
| NO.1 Hair Ltd | Other services | 2022 |
| Nobles Seaton Carew | Arts & recreation | 1962 |
| Nolan Property Lettings Ltd | Hospitality | 2017 |
| Nomoli Ventures 1 Ltd | Real estate | 2025 |
| Nomoli Ventures Ltd | Real estate | 2025 |
| Nooden Limited | Administrative & support | 2014 |
| Nordic Aktiv Property Fund 2 L.P. | | 2007 |
| Nordic Aktiv Property Fund L.P. | | 2006 |
| Nordic Sport (UK) Limited | Manufacturing | 2018 |
| Norlands Hotel Ltd | Hospitality | 2019 |
| North Bay Bites Ltd | Hospitality | 2026 |
| North Bay Builders Ltd | Construction | 2017 |
| North Bay Fisheries Limited | Hospitality | 2008 |
| North Bay Golf Ltd | Arts & recreation | 2024 |
| North Bay Properties Ltd | Real estate | 2020 |
| North Bay Railway Company Limited | Transport & logistics | 2005 |
| North Cliffe Heights Management Company (NO.1) Limited | Households | 1995 |
| North Cliffe Heights Management Company (NO.2) Limited | Households | 1996 |
| North Cliffe Park (Scarborough) Management Company Limited | Households | 1995 |
| North East Care Services Ltd | Public administration | 2019 |
| North East Yorkshire World CUP Cricket Legacy 2019 | Arts & recreation | 2020 |
| North Leas Stores Ltd | Wholesale & retail | 2025 |
| North Marine Minin Maket Ltd | Wholesale & retail | 2025 |
| North Marine Road Ltd | Wholesale & retail | 2020 |
| North Riding Brewery Limited | Manufacturing | 2014 |
| North Sea Laundry Ltd | Other services | 2026 |
| North Sea Property Ltd | Wholesale & retail | 2026 |
| North Star Limited | Professional & scientific | 1995 |
| North Yorkshire Centre for Independent Living | Health & social care | 2009 |
| North Yorkshire Chiropractic Limited | Health & social care | 2013 |
| North Yorkshire Property Maintenance and Management Limited | Construction | 2025 |
| Northbay Mortgages Ltd | Financial services | 2018 |
| Northern Airport Transfers Limited | Transport & logistics | 2025 |
| Northern Bay Fisheries Limited | Hospitality | 2022 |
| Northern Care Supplies Ltd | Health & social care | 2021 |
| Northern Retail Services (Scarborough) Limited | Wholesale & retail | 1991 |
| Northern Steel Buildings Ltd | Construction | 2018 |
| Northride Ltd | Transport & logistics | 2026 |
| Northstead Manor Gardens Leisure Limited | Arts & recreation | 2006 |
| Northstead Manor Limited | Wholesale & retail | 2007 |
| Northstone Events Ltd | Other services | 2022 |
| Northway Ltd | Hospitality | 2017 |
| Northwind Developments Ltd | Construction | 2026 |
| Norton Grove Stud Limited | Agriculture & fishing | 1977 |
| Novia Hair Limited | Other services | 2023 |
| NR Electrical Services (Scarborough) Limited | Construction | 2012 |
| Nram Property Ltd | Real estate | 2022 |
| NSD Developments Ltd | Hospitality | 2016 |
| NSG North Street Garage Ltd | Wholesale & retail | 2025 |
| Nspl Ventures Ltd | Wholesale & retail | 2025 |
| NTL Electrical Services Limited | Construction | 2006 |
| Nu-Gen Plumbing and Heating Ltd | Construction | 2024 |
| NV Retail Ltd | Wholesale & retail | 2026 |
| NYG Daycare Limited | Education | 2016 |
| O & D Limited | Real estate | 2021 |
| O G L (Yorkshire) Limited | Extraterritorial | 2012 |
| O Musu Limited | Hospitality | 2025 |
| O'Brien Training Services Ltd | Professional & scientific | 2024 |
| O'Sullivan's Complementary Health Clinic Limited | Health & social care | 2014 |
| Oak Construction (Whitby) Limited | Construction | 2020 |
| Oakley Plant Limited | Construction | 1992 |
| Oaks Farm Stables Limited | Agriculture & fishing | 2003 |
| Oaks Farm Stables Trading Limited | Agriculture & fishing | 2023 |
| Oakside Investments Limited | Real estate | 2003 |
| Oasis Event Door Limited | Manufacturing | 2012 |
| Oasis Restaurant Limited | Hospitality | 2010 |
| Ocean Spray (Scarborough) Ltd | Agriculture & fishing | 2013 |
| OCS Properties Ltd | Real estate | 2020 |
| Octagon Focus Group Limited | Wholesale & retail | 2022 |
| OFF the Hook Scarborough CIC | Education | 2021 |
| Offshore Ship Design and Consultants Ltd | Professional & scientific | 2015 |
| Often Ltd | Hospitality | 2025 |
| Oghb Hospitality Ltd | Hospitality | 2024 |
| Ogma Limited | Professional & scientific | 2022 |
| OH Beaut Lash Bar Limited | Other services | 2020 |
| OIL Heating Specialist Ltd | Construction | 2015 |
| Okent Ltd | Health & social care | 2023 |
| OL Events UK Ltd | Extraterritorial | 2021 |