| Chelmer Property Care Limited | Construction | 2015 |
| Chelmsford Builders Warehouse Limited | Extraterritorial | 2018 |
| Chelmsford Dance Academy Limited | Arts & recreation | 2026 |
| Chelmsford House Management Limited | Real estate | 1987 |
| Chelmsford Physio Limited | Health & social care | 2015 |
| Chewevents Limited | Arts & recreation | 2013 |
| Christchurchgrove Limited | Professional & scientific | 2023 |
| Churchill Contracts Limited | Real estate | 2016 |
| Clapton Hall Barns Management Company Limited | Administrative & support | 2008 |
| Clean and Coat Ltd | Construction | 2016 |
| CM2 Architectural Design Consultants Limited | Professional & scientific | 2017 |
| Cmsas Limited | Professional & scientific | 2021 |
| Cohen & Bourne Assets Limited | Real estate | 2017 |
| Combustion Order Ltd | Professional & scientific | 2017 |
| Containerlift Holdings Limited | Professional & scientific | 2008 |
| Containerlift Limited | Transport & logistics | 1998 |
| Containerlift Sales Limited | Extraterritorial | 1997 |
| Containerlift Services Limited | Transport & logistics | 1989 |
| Containerlift Shipping Services Limited | Transport & logistics | 2009 |
| Containerlift Transport Services Ltd | Transport & logistics | 2006 |
| Contemporary Renovations Ltd | Construction | 2024 |
| Core Power Generation Limited | Manufacturing | 2019 |
| County Caravan Services Limited | Manufacturing | 2005 |
| Crofton Limited | Administrative & support | 2025 |
| Crowfull Holdings Limited | Financial services | 2025 |
| CUL 50 (UK) Limited | Real estate | 2020 |
| CUL 50 Holdings Limited | Financial services | 2020 |
| Curran Trading Ltd | Wholesale & retail | 2004 |
| CUT 7 Advisers Ltd | Professional & scientific | 2022 |
| D.V.Marlow Logistics Limited | Transport & logistics | 2017 |
| David Wright Close Ltd | Households | 2009 |
| Daytona Bodyworks Limited | Wholesale & retail | 2021 |
| Delta 4 Aviation Limited | Education | 2023 |
| Denise Real Estate Capital Consultancy Ltd | Real estate | 2021 |
| Design Mania Limited | Wholesale & retail | 1998 |
| DHA Investment Ltd | Financial services | 2021 |
| Diamond Nights Entertainments Limited | Administrative & support | 2003 |
| Didar Consultants UK Limited | Health & social care | 2008 |
| Directors Management Limited | Professional & scientific | 2018 |
| DM Crane Services Ltd | Administrative & support | 2014 |
| DN Taxis London Limited | Transport & logistics | 2015 |
| Dominic Cantone Solutions Limited | Information & communication | 2018 |
| Doodle Images Limited | Wholesale & retail | 2013 |
| Douglas Ross Properties Limited | Real estate | 2026 |
| Dunmow Court Management Limited | Real estate | 2013 |
| Dunmow Emporium Ltd | Wholesale & retail | 2016 |
| Dunnevany Ltd | Construction | 2019 |
| E J Flooring Solutions Ltd | Construction | 2025 |
| Easton Interiors Ltd | Construction | 2020 |
| Easton Leisure Limited | Wholesale & retail | 2025 |
| Easton Leisure Retail Limited | Wholesale & retail | 2026 |
| EBD Medi Spa Ltd | Other services | 2022 |
| EBD Skincare Ltd | Wholesale & retail | 2021 |
| EJK Group Ltd | Other services | 2025 |
| Elated Management Ltd | Professional & scientific | 2018 |
| Elevation CAD Solutions Limited | Professional & scientific | 2004 |
| Elite Finishes Limited | Wholesale & retail | 2002 |
| Elite Prestige Developments Ltd | Construction | 2020 |
| Elsie Marketing Ltd | Professional & scientific | 2005 |
| Emither Ltd | Wholesale & retail | 2018 |
| Epic 4 Ltd | Professional & scientific | 2021 |
| Essex Camper Hire Ltd | Administrative & support | 2022 |
| Essex Camper Sales Ltd | Wholesale & retail | 2022 |
| Essex Office Installations Limited | Administrative & support | 2020 |
| Euan & Miller Upholstery Limited | Manufacturing | 2022 |
| Eurowire Ltd | Wholesale & retail | 1991 |
| EXO Planet Tech Limited | Information & communication | 2024 |
| Extrayard Limited | Professional & scientific | 2011 |
| F.C. Evolution CIC | Arts & recreation | 2022 |
| FAD Pubs Limited | Hospitality | 2023 |
| Farr Properties Limited | Real estate | 2019 |
| Fashion Brand Agency Limited | Wholesale & retail | 2021 |
| Fawsley Holdings Limited | Professional & scientific | 2018 |
| Field Mews Management Company Limited | Real estate | 2022 |
| Fire Door Inspections Ltd | Construction | 2022 |
| Fish Weisse & Ice Limited | Extraterritorial | 2015 |
| Flitch Ltd | Professional & scientific | 2014 |
| Focus IT Solutions Limited | Information & communication | 2020 |
| Foort Tayler Limited | Professional & scientific | 2015 |
| FOX & Duck (Richmond) Limited | Hospitality | 2024 |
| Freedom Day Care Nursery Limited | Education | 2008 |
| Freight Forward Delivery Ltd | Transport & logistics | 2024 |
| Frosso Limited | Wholesale & retail | 2023 |
| G a Stevenson Limited | Agriculture & fishing | 2012 |
| G S Craft Limited | Construction | 2009 |
| G Smith Property Limited | Real estate | 2021 |
| G.K.M. (Aerospace) Limited | Manufacturing | 1986 |
| Genesis Canine Hydrotherapy Ltd | Professional & scientific | 2020 |
| Godfrey Freehold Limited | Households | 2021 |
| Gore Promotions Limited | Professional & scientific | 2025 |
| Gratis Trades Limited | Construction | 2014 |
| Grays Wealth Management Limited | Financial services | 2012 |
| Graze & Grape Limited | Wholesale & retail | 2022 |
| Great Hayes Limited | Real estate | 2024 |
| Great Yarmouth Rentals Limited | Real estate | 2022 |
| Greendale Young Ltd | Professional & scientific | 2025 |
| Gunn Enterprises Limited | Other services | 2023 |
| Haldenby Associates Limited | Professional & scientific | 2019 |
| Hamilton Jane Limited | Professional & scientific | 2025 |
| Hammond Consulting Ltd | Information & communication | 2024 |