3 Platinum · 1 Gold. Independently ranked among the top 10% of estate agents in the UK, based on verified customer review data.
Frank Harris enters the Trusted Agent 2026 leaderboard with 4 winning offices — 3 Platinum and 1 Gold — backed by 2,711 Google reviews in aggregate and an average office rating of 4.88★.
That review volume represents ~678 reviews per winning office on average — well above the UK baseline of 110 reviews per office across the 20,000+ estate agent offices assessed.
The strongest performing office in the Frank Harris network for Trusted Agent 2026 is Frank Harris and Co in 123 Stamford Street, ranked #137 nationally with 686 reviews at 4.9★.
Recognition at this level is not editorial — it comes from a mechanical score across independently posted Google, Facebook, Trustpilot and Feefo reviews, combined with performance data on how well each office sells and lets homes.
| Office | Location | Tier | Rank | Reviews | Rating |
|---|---|---|---|---|---|
| Frank Harris and Co | 123 Stamford Street SE1 9NN | Platinum | #137 | 686 | 4.9★ |
| Frank Harris and Co | 205 Tooley Street SE1 2JX | Platinum | #269 | 752 | 4.8★ |
| Frank Harris and Co | 87 Long Lane EC1A 9ET | Platinum | #320 | 681 | 4.9★ |
| Frank Harris and Co | 81 Marchmont Street WC1N 1AL | Gold | #491 | 592 | 4.9★ |
Trusted Agent is powered by ViewAgents, a company that specialises in benchmarking estate agent performance across the UK. Each office is scored on a combination of performance data — how well agents sell and let homes in their area — and customer satisfaction, based on review data from platforms including Google, Facebook, Trustpilot and Feefo, across the 20,000+ UK estate agent offices on the platform.
Offices are ranked into three tiers. Platinum is the top 2% of UK estate agents. Gold extends the group to the top 5%. Trusted Agent extends it to the top 10% overall. No fees. No entries. No submissions. Just data.