ABA Therapy Providers in Ontario: Ranked Lists by City (2026)
62 cities with a ranked listUpdated 0 paid placements in any rankingHow we rank →
We rank ABA therapy providers in 62 Ontario cities, 2,882 city rankings in all. The largest lists are Etobicoke (101), Toronto (100) and Windsor (97).
ABA therapy providers by city in Ontario
Every Ontario city with a ranked list of ABA therapy providers, largest first. Each list ranks practices within 64 km of the city.
Ranked by the RP Score from public listing data, not by treatment outcomes; Sponsored placements are shown separately and never change rank.
Highest RP Scores among Ontario ABA therapy providers
Each score is computed within its own city list, so use the city pages to compare businesses. Shown for orientation, not as a state ranking.
Ranked by the RP Score from public listing data, not by treatment outcomes; Sponsored placements are shown separately and never change rank.
| # | Practice | RP Score | City list | Google rating |
|---|---|---|---|---|
| 1 | Side by Side Therapy | 80 | #1 in Vaughan | 5.0★ (9) |
| 2 | ABA Therapy Services - SenseBloom Therapy | 79 | #1 in North York | 5.0★ (35) |
| 3 | Peak Learning Centre | 79 | #1 in Ajax | 4.9★ (34) |
| 4 | ABA Therapy Services - SenseBloom Therapy | 79 | #2 in Ajax | 5.0★ (25) |
| 5 | Autism Made Simple | 78 | #2 in Richmond Hill | 5.0★ (11) |
| 6 | SCRP Behavioural Services | 78 | #1 in Ottawa | 5.0★ (4) |
| 7 | Early Start Autism Services Toronto | 77 | #2 in Toronto | 4.4★ (13) |
| 8 | PrimeCare ABA Services Inc. | 77 | #1 in Brampton | 4.6★ (11) |
| 9 | Autism Made Simple | 77 | #1 in Scarborough | 5.0★ (7) |
| 10 | Orion for Behavioral and Support Services Inc. | ABA Therapy Mississauga | 77 | #1 in Mississauga | 5.0★ (7) |