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16 organizations on the official OAP Provider List and 0 we checked list ABA therapy in Markham. 14 have a clinician accepting new clients. Confirm current status before booking.
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Official OAP Provider List · End The Wait Ontario provider directory · Ontario Autism Program (ontario.ca) · Verified July 17, 2026
| Directory record | Current snapshot | Source |
|---|---|---|
| Organizations on the official OAP Provider List | 17Official OAP Provider List | Official OAP Provider List |
| Organizations recording ABA therapy | 16Provider directory snapshot | Provider directory snapshot |
| Other organizations we checked | 0Public information checked by ETWO | Public information checked by ETWO |
| Accepting new clients | 15Provider directory snapshot | Provider directory snapshot |
| Services offered | ABA Therapy, Behavioural Therapy, Speech Therapy, Occupational TherapyProvider directory snapshot | Provider directory snapshot |
These organizations record ABA therapy in Markham. Each card shows the services the provider lists, how many of its listed clinicians are accepting new clients, and where the record comes from. Confirm every detail with the provider.
Our directory does not record which format a provider offers. Ask each one. Compare clinic-based and home-based ABA or read about ABA in Ontario schools.
The Ontario Autism Program is provincial, so funding rules do not change from city to city. An active Core Funding Agreement does not mean a child is receiving services. Rates differ by provider, and we do not publish a price for Markham.
AccessOAP care coordinators can help you understand your service options (ontario.ca, Ontario Autism Program). Finding a supervising clinician · Switching providers
These nearby city pages list ABA providers. Many providers serve more than one city.
Ontario publishes no wait times for Markham. The only wait figure we show is provincial: 5+ years for families registered in August 2021 (community-reported, Ontario Autism Coalition, July 2026). It is not a Markham figure. Counts on this page come from the official OAP Provider List and organizations we checked, as of July 17, 2026.
As of July 17, 2026, 16 organizations on the official OAP Provider List and 0 we checked list ABA therapy in Markham. These counts come from our provider directory and change when the official list changes.
14 of the 16 ABA organizations listed here have at least one clinician marked as accepting new clients as of July 17, 2026. That is a snapshot, not a promise of a spot. Confirm with each provider.
The Ontario Autism Program is provincial, so the rules are the same in every city. Our answer on OAP and ABA costs explains what funding can be used for. Being on the official OAP Provider List is separate from your child having funding.
We do not publish a price for Markham. Rates vary by provider and by how the service is funded. Ask each provider for its fees in writing before you sign up.
Our directory does not record whether a provider works in the home, in a centre or at school. Ask each provider which formats it offers.
Ontario does not publish wait times for Markham or any other city or region. The only wait figure we show is provincial: 5+ years for families registered in August 2021 (community-reported, Ontario Autism Coalition, July 2026). Ask each provider for its own intake timeline.
Families can change providers. Our guide on switching OAP providers explains the steps. Ask your AccessOAP care coordinator if you are unsure.
Yes, nearby city pages list ABA providers too: Richmond Hill, Toronto, Scarborough, North York. Many providers serve more than one city, so check each provider's service area.
Local resources
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