| Coffee Latino Limited | Wholesale & retail | 2007 |
| Coldwell Legal Ltd | Professional & scientific | 2022 |
| Commercial Insulation Services Ltd | Construction | 2011 |
| Compass Point Solutions Ltd | Construction | 2026 |
| Complete Flooring Solutions (Blaydon) Ltd | Wholesale & retail | 2024 |
| CPH Logistics Limited | Transport & logistics | 2019 |
| CR21 Coaching Ltd | Arts & recreation | 2025 |
| Creative Signmakers Limited | Professional & scientific | 2008 |
| Cribbs Transport Solutions Limited | Transport & logistics | 2021 |
| Crisp Roofing Solutions Ltd | Construction | 2026 |
| Cruickshank Consultants Limited | Information & communication | 2015 |
| CT UK Holdings Ltd | Wholesale & retail | 2022 |
| Curtain Store Holdings Limited | Financial services | 2022 |
| Curtain Superstore Blaydon Ltd | Wholesale & retail | 2008 |
| Custom Electronic Fire & Security Limited | Construction | 1999 |
| D & G W Consultancy Ltd | Professional & scientific | 2014 |
| D & M Inspection Services Ltd | Professional & scientific | 2024 |
| D S Bibby Limited | Administrative & support | 2006 |
| DAN Gill Electrical Limited | Construction | 2018 |
| Dauntless Fitness Limited | Arts & recreation | 2017 |
| Dauntless Gymnastics Limited | Arts & recreation | 2019 |
| Dave Mullen Contract Brickwork Ltd | Construction | 2024 |
| Dayloom Ltd | Wholesale & retail | 2026 |
| Debmaylin Administration and Training Services Ltd | Administrative & support | 2019 |
| Decimal Tenths Ltd | Wholesale & retail | 2020 |
| Derwent Laser Crafts Limited | Wholesale & retail | 2014 |
| Devicetech Systems Ltd | Administrative & support | 2017 |
| DHY Traders Limited | Construction | 2011 |
| Digital Mapping Ltd | Construction | 2023 |
| Digital Voice for Communities C.I.C. | Information & communication | 2007 |
| Digpal News (NE) Ltd | Wholesale & retail | 2026 |
| Discount Garden Statues Limited | Wholesale & retail | 2012 |
| Diverse Home Group Limited | Real estate | 2018 |
| Dixon & Wardle Joinery Ltd | Construction | 2014 |
| Doors and Floors Direct Limited | Wholesale & retail | 2010 |
| Down Memory Lane Ltd | Arts & recreation | 2024 |
| Dragonfly Redevelopments Limited | Construction | 2004 |
| Dravero Limited | Professional & scientific | 2026 |
| Driftstone Dynamics Limited | Information & communication | 2024 |
| DS Screen Printing Ltd | Manufacturing | 2020 |
| Dynamic PER4MANCE Ltd | Wholesale & retail | 2021 |
| Dynamo Bidco Limited | Financial services | 2023 |
| Dynamo Holdco Limited | Financial services | 2023 |
| Dynamo Topco Limited | Financial services | 2023 |
| E 4 Electrical Services Limited | Construction | 2007 |
| E3MAKES Limited | Wholesale & retail | 2021 |
| East Farm Barns Management Limited | Real estate | 2009 |
| Eastmed Locum Ltd | Health & social care | 2023 |
| Echelon Smart Systems Ltd | Construction | 2026 |
| Eighteen TEN Limited | Wholesale & retail | 2000 |
| Elephant Crew Limited | Information & communication | 2023 |
| Ellis Signs and Design Limited | Manufacturing | 2017 |
| ELT JAM Learning Limited | Education | 2016 |
| Emperor Roofing NE Ltd | Construction | 2022 |
| Emperor Scaffolding NE Ltd | Construction | 2019 |
| Endeavour Fitness Ltd | Arts & recreation | 2022 |
| Endor IT Limited | Information & communication | 2012 |
| Enright Environmental Ltd | Construction | 2008 |
| Equinox Management NE Limited | Construction | 2019 |
| ESD Property Services Ltd | Households | 2017 |
| Estar Education Awarding Limited | Education | 2024 |
| Estar Group Limited | Professional & scientific | 2023 |
| Executive on Line Retail Ltd | Wholesale & retail | 2015 |
| Exodus Holdings Ltd | Financial services | 2018 |
| Exotic World NE Ltd | Wholesale & retail | 2024 |
| Expert Business Support Services Limited | Administrative & support | 2018 |
| Express Drinks Ltd | Wholesale & retail | 2012 |
| Express Lasers Limited | Professional & scientific | 2005 |
| Families of Deaf Children Essex CIC | Health & social care | 2025 |
| FED & Watered Events MHF Ltd | Hospitality | 2025 |
| FED and Watered MHF Ltd | Hospitality | 2021 |
| Felicityworks Ltd | Administrative & support | 2026 |
| Fhab Limited | Arts & recreation | 2012 |
| Finco (NE) Ltd | Construction | 2021 |
| Findmymeds Ltd | Financial services | 2024 |
| Flame and Fragrance Limited | Wholesale & retail | 2013 |
| Flow & Reform Ltd | Arts & recreation | 2026 |
| Form to Function Ltd | Manufacturing | 2025 |
| Fortis Advisors Limited | Real estate | 2023 |
| Foxglove Property Ltd | Construction | 2015 |
| Frank Communications CIC | Education | 2022 |
| Freehold 1798 Ltd | Extraterritorial | 2025 |
| Galaxy Desserts Ltd | Hospitality | 2026 |
| Gamma Suppliers Limited | Wholesale & retail | 2025 |
| GAP Vehicle Movements Ltd | Transport & logistics | 2023 |
| Garage Door Support Ltd | Construction | 2011 |
| Garner Property and Rentals Ltd | Real estate | 2022 |
| Gejw Properties Limited | Real estate | 2019 |
| Gelt Gladiator Ltd | Arts & recreation | 2025 |
| German Kitchen Specialist Ltd | Professional & scientific | 2019 |
| GET UP and Go! (Gateshead) CIC | Health & social care | 2014 |
| Gimzware Ltd | Information & communication | 2025 |
| GKS Trade Ltd | Professional & scientific | 2023 |
| Global TVA Manager Ltd | Extraterritorial | 2023 |
| Gold Box Holdings Limited | Financial services | 2022 |
| Gold Box UK Ltd | Wholesale & retail | 2023 |
| Graham Property Management Ltd | Professional & scientific | 2021 |
| Gravity Films Ltd | Information & communication | 2024 |
| Green Door Enterprises Limited | Hospitality | 2019 |
| Grow Transform Belong CIC | Professional & scientific | 2022 |