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Accessibility Statement

Our commitment to making our website accessible to everyone.

Date of Statement: May 3, 2026

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Get In Touch

We're here to help you understand your assessment options. Please call us or send us a message.

Office Hours

Monday - Friday: 9:00 AM - 5:00 PM

Saturday: By appointment

Sunday: By appointment only

Contact Information

Phone: 416-284-5923

Our Location

1 Promenade Circle, Suite 300A
Thornhill, ON L4J 4P8


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Cornerstone Psychological Services

Evidence-based psychological and psychoeducational assessments for ages 4+ to adults for ADHD, executive functioning, learning disabilities, autism (ASD), neurodevelopmental, intellectual disabilities, and giftedness with flexible virtual, online and/or hybrid sessions.

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