The largest brokerages in Wiarton
3 offices, 22 agents counted at the 2026-08-07 scan. Sutton - Sound Realty leads with 9 agents — 40.9% of the tracked roster, ahead of REMAX Grey Bruce Realty Inc at 7. The local market is unusually concentrated — three offices hold most of it (top three hold 100%).
Every office we track in Wiarton
| # | Office | Network | Agents | Share |
|---|---|---|---|---|
| 1 | Sutton - Sound Realty | Sutton | 9 | 40.9% |
| 2 | REMAX Grey Bruce Realty Inc | RE/MAX | 7 | 31.8% |
| 3 | CENTURY 21 Millennium Inc. Brokerage | Century 21 | 6 | 27.3% |
Offices with fewer than 10 agents appear in this table but don't get their own page.
Network mix in Wiarton
Coverage: these are the 3 national networks we scrape — about 44.4% of Canadian REALTORS® nationally. Independents and brokerages outside those networks aren't counted, so read this as the largest offices among the networks we track in Wiarton. Methodology →
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