| Name | Category | Address | Opening times |
|---|---|---|---|
| ACW | Marketing consultant | Studio 3, 30 Vineyard Path, Mortlake High St | Mon–Fri 09:30–18:00 |
| Circle Research - B2B market research | Market researcher | The Woolyard, 54 Bermondsey St | Mon–Fri 08:30–18:00 |
| The Market Research Society | Marketing agency | 15 Northburgh St | Mon–Fri 09:00–18:00 |
| Brand Research | Market researcher | 24A Hampstead High St | Mon–Fri 09:00–18:00 |
| Market Research Hub | Market researcher | Suite 2556 Unit 3a 34, 35 Hatton Garden | Mon–Thu 08:30–17:30 |
| Marketest | Marketing agency | United House, North Road | Mon–Thu 09:00–18:00 |
| marketresearchstrategy | Market researcher | 76 Kennington Rd | Mon–Fri Open 24 hours |
| MRFGR - Market Research Company | Market researcher | Berkeley Square House, Berkeley Square | Mon–Fri 08:00–23:00 |