| East of England | Petrol station | Samson's Rd | Mon–Sat 06:30–21:00 |
| Eateasy Ltd | E-commerce service | 69 Godmans Ln | Daily Open 24 hours |
| Escape Colchester | Escape room centre | 26 Long Wyre St | Mon–Sat 10:00–22:00 |
| Essex & Suffolk Limousine Hire | Limousine service | The Old Bt Repeater Station, Park Ln | Daily 09:00–17:00 |
| Essex county Angling | Hunting and fishing shop | 73a London Rd | Mon–Sat 08:00–18:00 |
| Essex Marine Training | Training centre | Essex Marine Training, Shipyard Est | Daily 09:00–17:00 |
| Essex Wildlife Trust Abberton Reservoir Nature Discovery Park | Visitor centre | Rows Farm, Church Rd | Daily 10:00–16:00 |
| Essex Wildlife Trust Fingringhoe Wick Nature Discovery Park | Nature reserve | South Green Road, Fingringhoe | Daily 10:00–16:00 |
| Everlast Gyms | Gym | Clarendon Way | Mon–Thu 06:00–22:00 |
| Exeter Drive - Anchor | Housing association | Exeter Dr | Daily Open 24 hours |
| F&F Clothing | Clothing shop | Highwoods Square | Mon–Sat 06:00–00:00 |
| Fabdiggs, Homes in Colchester Essex | Student accommodation centre | 15 Gladstone Rd | Daily 00:00–23:30 |
| Fiveways Fruit Farm | Farm | Warren Ln | Mon–Fri 08:30–17:30 |
| Fred's DIY | DIY store | 34 Kingsland Rd | Mon–Sat 08:30–17:30 |
| Freedom Wills Ltd | Estate planning lawyer | Fornham House, 227 London Rd | Daily 10:00–22:00 |
| Garden Games Hire UK | Event planning service | 6 Withrick Walk | Daily 08:00–20:00 |
| Gem Exterior Cleaning LTD | Pressure washing service | 5 Glisson Square | Daily Open 24 hours |
| Gift Box HeRo | Gift basket shop | 36 Maltings Rd | Daily Open 24 hours |
| Go Bananas Colchester Limited | Indoor playground | Cowdray Centre, 9&10, Mason Rd | Mon 09:30–16:00 |
| Graceville Colchester | Non-denominational church | First Site, Art Gallery, Lewis Gardens, High St | Sun 11:00–12:00 |
| Greenstead Evangelical Free Church | Colchester | Evangelical church | Magnolia Dr | Sun 10:00–13:00 |
| Hallwell Specialist Contractors | Waste water and sewage treatment company | The Maltings, Rosemary Ln | Sun Open 24 hours |
| Heartland Studios | Movie studio | Unit E, Pump Farm, Tendring Rd | Daily 08:00–20:00 |
| Heathvale Construction | General contractor | 2 Constantine Rd | Mon–Sat 08:30–20:30 |
| High Woods Lake | Fishing pond | Unnamed Road | Daily Open 24 hours |
| Hilly Fields | Nature reserve | Cymbeline Way | Daily Open 24 hours |
| Hog Roast Colchester | Mobile caterer | Mason Rd | Daily Open 24 hours |
| Island Inflatables | Bouncy castle hire | Church Rd | Daily Open 24 hours |
| Jacqui Robinson Education Centre | Tutor | 348-350 Ipswich Rd | Mon 09:30–17:30 |
| JN Massage & Recovery Centre | Massage therapist | Clarendon Way | Mon–Thu 08:00–22:00 |