Brokerage Rankings: real estate brokerages AI recommends in Portland, ME
When buyers and sellers ask ChatGPT, Claude, Gemini and Grok for a real estate agent in Portland, ME, the engines name individual agents, and every one of those agents works somewhere. Of the 48 agents the engines have named in Portland, ME, 42 have a brokerage on record: 9 work for Sotheby's International Realty, 5 for Keller Williams and 4 for Redfin. This page rolls the AI Citation Index up to core brokerage brands, so offices, teams and franchise affiliates count toward their parent, and ranks 19 brokerages by named agents, then by the responses that named them. It measures presence in AI recommendations, not sales volume, headcount or quality, and payment plays no part.
| Rank | Brokerage | Agents named | Share | Responses | Engines |
|---|---|---|---|---|---|
| 1 | Sotheby's International Realty national | 9 | 19% | 40 | ChatGPT Claude Gemini Grok |
| 2 | Keller Williams national | 5 | 10% | 32 | ChatGPT Claude Gemini Grok |
| 3 | Redfin national | 4 | 8% | 14 | ChatGPT Claude Gemini |
| 4 | Waypoint Brokers Collective independent | 3 | 6% | 32 | ChatGPT Claude Gemini Grok |
| 5 | Vitalius Real Estate Group independent | 3 | 6% | 32 | ChatGPT Gemini Grok |
| 6 | Portside Real Estate Group independent | 3 | 6% | 21 | ChatGPT Claude Grok |
| 7 | eXp Realty national | 2 | 4% | 7 | Claude Gemini Grok |
| 8 | Signature Homes Real Estate Group independent | 2 | 4% | 7 | Gemini Grok |
| 9 | RE/MAX national | 1 | 2% | 23 | ChatGPT Claude Gemini Grok |
| 10 | F.O. Bailey Real Estate independent | 1 | 2% | 9 | Gemini Grok |
| 11 | Benchmark Real Estate independent | 1 | 2% | 7 | ChatGPT Gemini Grok |
| 12 | Breakwater Realty Group independent | 1 | 2% | 7 | Gemini |
| 13 | Sage Hill Real Estate independent | 1 | 2% | 5 | Claude Gemini |
| 14 | Steven Chicoine Real Estate Team independent | 1 | 2% | 4 | Claude Grok |
| 15 | King + Miller Real Estate independent | 1 | 2% | 4 | Gemini |
| 16 | Marsden Real Estate independent | 1 | 2% | 4 | Gemini |
| 17 | Duston Leddy Real Estate independent | 1 | 2% | 2 | Claude |
| 18 | The Flaherty Group independent | 1 | 2% | 2 | Claude |
| 19 | U&R Real Estate independent | 1 | 2% | 2 | Claude |
How this ranking is built
In Portland, ME, 48 AI-named agents work at 19 brokerages; 42 carry a brokerage on record and 6 do not. Sotheby's International Realty leads with 9 named agents (19% of the metro), ahead of Keller Williams (5) and Redfin (4). The agents were named by ChatGPT, Claude, Gemini and Grok across 254 distinct responses, most recently in Sep 2026. The engines were last probed on Sep 16, 2026. Offices, teams and franchise affiliates count toward their core brand. How the Brokerage Rankings are built.
Frequently asked questions
- Which brokerage has the most AI-named agents in Portland, ME?
- Sotheby's International Realty, with 9 of the 48 named agents (19%); then Keller Williams (5) and Redfin (4).
- How many brokerages in Portland, ME have AI-named agents?
- 19. 6 of the 19 listed here have three or more named agents, which is the bar for a brokerage's own page in this metro.
- How many of Portland, ME's AI-named agents have no brokerage on record?
- 6 of 48 (13%). They count in the metro total but belong to no row until a brokerage is recorded for them.
- How is this ranking ordered?
- By named agents, then distinct responses, then distinct engines; offices and teams roll up to their core brand and payment plays no part. The full method is at https://geogenius.ai/about#brokerage-rankings.
- How does my brokerage move up?
- More of your agents need to clear the bar — named in two responses, or by two engines. GeoGenius runs roster programs for brokerages that want that done systematically; see https://geogenius.ai/for-brokerages.