| Name | Category | Address | Opening times |
|---|---|---|---|
| EcoTarget | Green energy supplier | 3rd Floor, 207 Regent St. | Mon–Fri 09:00–18:00 |
| Efficient Energies | Certification agency | Unit 7301, 11 W India Dock Rd | Mon–Fri 09:00–17:00 |
| The Big Switch | Electric utility company | 75 Palmerston Rd | Mon–Sat 08:00–20:00 |
| Atlantica Sustainable Infrastructure | Green energy supplier | Building 7, Floor 2, 566 Chiswick High Rd. | Mon–Fri 09:00–19:00 |
| Octopus Energy (London) | Energy supplier | 5th Floor, United Kingdom House, 164-182 Oxford St | Mon–Thu 09:00–17:00 |
| Alker Industries, LLC | Holding company | One Canada Square | — |
| Hydrogen Solutions | Green energy supplier | One Canada Square | — |