| "YES" Car Rental Ltd | Administrative & support | 2010 |
| "YES" Van Rental Ltd | Administrative & support | 2010 |
| 1-8 East Cliff Residents Limited | Real estate | 2017 |
| 12-14 Jetty Street Limited | Real estate | 2003 |
| 1ST Choice Travel ( Cromer ) Ltd | Transport & logistics | 2012 |
| 25 Cabbell Limited | Households | 2015 |
| 39 POW (Cromer) Limited | Households | 2009 |
| 5-5C Cabbell Road Freeholders Limited | Households | 2023 |
| 7428 Limited | Real estate | 2014 |
| 8 Cliff Avenue (Cromer) Limited | Households | 2010 |
| 8 Retail Consulting Ltd | Professional & scientific | 2017 |
| 9/11 Hamilton Road Management Limited | Real estate | 2020 |
| 98 Leisure Limited | Hospitality | 2011 |
| A and E Property Doctor Ltd | Construction | 2023 |
| A&A International Properties Limited | Real estate | 2023 |
| A.G.Brown(Builders)Limited | Construction | 1946 |
| A.L.L. Waste Collection Ltd | Water & waste | 2024 |
| About With Friends Hospitality Limited | Hospitality | 2023 |
| Absolutely! Holidays Ltd | Hospitality | 2023 |
| Ady's Wood Splitting Services Ltd | Agriculture & fishing | 2014 |
| Aerofact (UK) Limited | Health & social care | 2006 |
| Albany Coastal LLP | | 2011 |
| Albany Smith Management Limited | Professional & scientific | 2009 |
| Albany Smith Rail LLP | | 2011 |
| Aldis Close Upkeep Company Limited | Households | 2020 |
| Aldis Motors Limited | Wholesale & retail | 2002 |
| Alternative Norfolk Limited | Extraterritorial | 2019 |
| Amber Rose Property Development Limited | Real estate | 1999 |
| Anglia Angels Limited | Information & communication | 2014 |
| Anglia Home Support Services Ltd | Health & social care | 2025 |
| Anglia Mowers Limited | Wholesale & retail | 2007 |
| Animaru Limited | Information & communication | 2010 |
| Apris Medical Services Ltd | Wholesale & retail | 2008 |
| Artesano Food Consultancy Limited | Administrative & support | 2013 |
| Aurora Bar and Restaurant Limited | Hospitality | 2025 |
| B Gauci Limited | Administrative & support | 2015 |
| B&C STP Management Limited | Households | 2012 |
| Bamboo International Holdings Limited | Financial services | 2023 |
| Bamwoo Ltd | Wholesale & retail | 2018 |
| Barclay Mews Management Company Limited | Administrative & support | 2006 |
| BC Competitions Ltd | Wholesale & retail | 2025 |
| BDK Race Engineering Limited | Wholesale & retail | 2007 |
| Beach Road Flats Limited | Households | 2016 |
| Beast to Block Ltd | Wholesale & retail | 2021 |
| Believe Charge Point Solutions Limited | Construction | 2025 |
| BEN Sharman Plastering Limited | Construction | 2008 |
| Berta's Dining Ltd | Hospitality | 2018 |
| Beyond Grades Education Limited | Education | 2025 |
| Beyond the Fence CIC | Education | 2016 |
| BGL Cleaning Services Limited | Administrative & support | 2015 |
| Birchwood Learning Ltd | Education | 2014 |
| Blended Solutions Limited | Information & communication | 2017 |
| Bloomin Clean Ltd | Administrative & support | 2025 |
| Blueoak Property Solutions Ltd | Real estate | 2025 |
| Boost Consulting Services Ltd | Professional & scientific | 2020 |
| Boyers Body Centre Ltd | Wholesale & retail | 2012 |
| Boyers Service Centre Ltd | Wholesale & retail | 2014 |
| Brackenhurst Ltd | Professional & scientific | 2023 |
| Brambles Farm Tankering Limited | Extraterritorial | 2009 |
| Brazilia Limited | Arts & recreation | 2005 |
| Butter Beam Ltd | Manufacturing | 2025 |
| Butterfly Castle Limited | Arts & recreation | 2005 |
| C & S Norfolk Ltd | Construction | 2017 |
| C&F International Investments Limited | Financial services | 2023 |
| C.H. Green & SON (Oundle) Limited | Real estate | 1980 |
| Cabbell Holdings Ltd | Financial services | 2013 |
| Cabbell Road Flats Ltd | Households | 2019 |
| Cabbell Towers Management Co. Ltd. | Real estate | 2017 |
| Camellia Cottage Ltd | Hospitality | 2019 |
| Cannister Hall Barns Limited | Real estate | 2012 |
| Cannister Hall Barns Management Limited | Other services | 2012 |
| Carlyle House Residents Association Limited | Households | 1988 |
| Chandler Hospitality Limited | Hospitality | 2014 |
| Chargz Ltd | Construction | 2024 |
| Charlsbury Developments Ltd | Construction | 2004 |
| Cheverton & SON Limited | Manufacturing | 1998 |
| Chipbuckets Ltd | Hospitality | 2023 |
| Chris Palmer Plumbing & Heating Limited | Construction | 2007 |
| Church Meadow (Northrepps) Residents Management Company Limited | Households | 2006 |
| Cincomas Lettings Ltd | Real estate | 2023 |
| Cincomas Limited | Real estate | 2018 |
| Circus Games Ltd | Arts & recreation | 2012 |
| Cliff Road Ltd | Real estate | 2021 |
| Coast 2 Coast Trading Limited | Professional & scientific | 2007 |
| Coast Pizza Ltd | Extraterritorial | 2018 |
| Cocoa Collective Chocolatiers Ltd | Manufacturing | 2018 |
| Colimarc Construction Limited | Construction | 1986 |
| Constance & Thyme Ltd | Wholesale & retail | 2021 |
| Coxfords Butchers Ltd | Wholesale & retail | 2014 |
| Crab POT Cafe Limited | Hospitality | 2026 |
| Create FM Ltd | Financial services | 2008 |
| Creative Tourism Ideas and Solutions Limited | Administrative & support | 1997 |
| Creature Comforters Limited | Extraterritorial | 2017 |
| Cromer and District Independent Funeral Services Ltd | Other services | 2012 |
| Cromer Facilities Limited | Other services | 2021 |
| Cromer Food Ltd | Hospitality | 2018 |
| Cromer Football Club Ltd | Arts & recreation | 2025 |
| Cromer Gift Shop Limited | Wholesale & retail | 2001 |
| Cromer Heights Ltd | Other services | 2024 |
| Cromer Kebab Ltd | Hospitality | 2025 |