ABA Therapy for Children with Autism in Ontario — Expert, BCBA-Supervised, No Waitlist
Orion for Behavioral and Support Services (OBSS) delivers personalised, evidence-based Applied Behaviour Analysis therapy — in your home or at our Mississauga centre. OAP-approved, accepting new clients now.
Start ABA Therapy Today
✅ Currently Accepting New ClientsSat–Sun 9:00am – 5:00pm
Ontario's Trusted BCBA-Supervised ABA Therapy Provider
Evidence-Based, Child-Centred Care
OBSS — Orion for Behavioral and Support Services Inc. — provides expert, BCBA-supervised Applied Behaviour Analysis (ABA) therapy for children with autism across Southern Ontario. Every programme is designed by a Board Certified Behavior Analyst (BCBA), delivered by trained therapists, and continuously monitored with data-driven adjustments.
In-Home and In-Centre — Your Choice
OBSS is uniquely able to offer both in-home ABA therapy across the GTA and Hamilton, and in-centre ABA therapy at our Mississauga location — or a seamless blend of both. Most families find a combination delivers the fastest, most durable results.
OAP Approved — We Handle the Paperwork
As an approved Ontario Autism Program (OAP) provider, OBSS manages all clinical documentation, progress reports, and OAP compliance on your behalf. You focus on your child — we handle the rest.
ABA Therapy & Autism Services Across Ontario
OBSS provides a full range of evidence-based autism and behavioural services across the GTA and Southern Ontario — all designed and overseen by our BCBA team.
ABA Therapy — In-Home & In-Centre
BCBA-supervised Applied Behaviour Analysis in your home across the GTA and Hamilton, or at our Mississauga centre. Personalised to every child.
IBI Therapy — Intensive Intervention
High-intensity ABA (20–40 hrs/week) for younger children who benefit from intensive early intervention. BCBA-supervised with regular progress reviews.
Group Therapy — Social Skills
Structured peer group sessions building communication, turn-taking, and friendship skills for children with autism across Ontario.
Parent & Caregiver Training
Practical ABA strategies for Ontario caregivers — in-home or virtual. Evidence-based tools for daily routines, behaviour support, and communication.
Speech-Language Therapy
Certified SLP services supporting communication, language delays, AAC, fluency, and feeding challenges for children with autism across Ontario.
Occupational Therapy
OT programmes targeting sensory processing, fine motor skills, self-care, and school readiness — coordinated with your child's ABA programme.
ABA Therapy Across Southern Ontario — Find Your City
OBSS serves families across the GTA, Hamilton, and Halton Region. Select your city to see local coverage and get started.
How to Start ABA Therapy in Ontario — 4 Simple Steps
From your first phone call to your child's first session, OBSS guides you through every step of the process — clearly and without stress.
Free Clinical Intake
A free 30-45 minute call to discuss your child's needs, confirm your city, and answer OAP and funding questions.
BCBA Assessment
A Board Certified Behavior Analyst conducts a comprehensive, strengths-based skills assessment — in your home or at our Mississauga centre.
Personalised Plan
Our BCBA designs a tailored ABA programme with measurable goals aligned with your child's profile and your family's priorities.
Therapy Begins
In-home or in-centre sessions start with data tracked every session, regular written progress reports, and ongoing caregiver coaching.
Why Ontario Families Choose OBSS for ABA Therapy
No Waitlist — Start Now Across Ontario
Ontario ABA waitlists can stretch 12–18 months. OBSS is currently accepting new clients across all service areas with no waitlist. Early intervention delivers the best long-term outcomes — don't wait.
In-Home AND In-Centre — Only OBSS Offers Both
Unlike most Ontario providers who offer only one setting, OBSS delivers both in-home ABA across the GTA and Hamilton and in-centre ABA at our Mississauga location — and a seamless blend of both for families who benefit from each.
Data-Driven Progress — Every Session Tracked
Our BCBAs track progress at every session and share written reports regularly. Goals are reviewed and adjusted based on data — not guesswork — ensuring your child is always moving forward.
Multidisciplinary — School & Clinician Coordination
OBSS coordinates with your child's school, SLP, OT, and paediatrician — with your consent — to deliver a unified, comprehensive approach. We work with TDSB, HDSB, PDSB, and school boards across our service areas.
Ontario Autism Program (OAP) Funding for ABA Therapy
Ontario families with children on the autism spectrum may be eligible for government funding through the Ontario Autism Program (OAP) to cover ABA therapy and related services.
OBSS is an OAP-approved provider across all our service areas. We have extensive experience helping families across the GTA and Southern Ontario navigate the funding process from start to finish. We handle all clinical documentation, reporting, and OAP compliance on your behalf.
Information provided is general guidance and not legal or financial advice. Contact us to discuss your specific situation.
Ask About OAP Funding →Core Clinical Services
Direct ABA therapy hours for eligible Ontario children. OBSS creates a compliant clinical plan and manages all OAP documentation and reporting.
Foundational Family Services
Available while waiting for Core Clinical Services. Includes parent workshops via the OAP Access Portal — available now to families with a registered child.
Private Insurance & Self-Pay
We provide all documentation required for private insurance claims. Flexible self-pay options also available — ask during your free consultation.
No Diagnosis Required to Start
A diagnosis is required for OAP funding. However, you can begin private ABA therapy with OBSS immediately while awaiting a formal diagnosis.
What Ontario Families Say About OBSS
"The progress our daughter has made since starting ABA therapy with OBSS is nothing short of remarkable. Within weeks she was using language she never had before. We could not be happier with the care and professionalism of this team."
"I cannot recommend OBSS highly enough. Everyone at the Mississauga centre has been genuinely life-changing for our family. My son's communication and independence have grown more in six months than in the previous two years."
"OBSS is highly professional, caring, and genuinely focused on each child's progress. From the first consultation, we felt heard and supported. Our son has thrived under their care and the results have exceeded our expectations."
"I chose OBSS for my son's autism therapy and it was the best decision we made. The staff are welcoming, the sessions are engaging, and the improvement in his social skills and daily routines has been incredible."
"The in-home sessions fit perfectly into our family's daily routine in Toronto. Our therapist built a real connection with our son and the progress has been clear from the very first month. Evening availability made all the difference for us."
"OBSS guided us through the entire OAP process — we didn't have to figure it out alone. The BCBA was thorough, the therapists were skilled and kind, and our daughter started school this year with confidence we never thought possible."
ABA Therapy in Ontario — Frequently Asked Questions
Everything Ontario families need to know before starting ABA therapy with OBSS.
View All FAQs →Applied Behaviour Analysis (ABA) therapy is the most evidence-based intervention for autism. It helps develop communication, social skills, daily living skills, and school readiness — while reducing challenging behaviours — through structured, positive, data-driven teaching supervised by a Board Certified Behavior Analyst (BCBA).
Yes. OBSS is an approved OAP provider for Core Clinical Services across all our locations. We help Ontario families navigate OAP eligibility and handle all clinical documentation, progress reports, and compliance on your behalf — across Mississauga, Toronto, Brampton, Hamilton, Oakville, and Burlington.
No. OBSS is currently accepting new clients across all Ontario service areas with no waitlist for daytime and select evening and weekend sessions. Contact us today — early intervention delivers the strongest long-term outcomes.
A formal autism diagnosis is required for OAP funding. However, you do not need a diagnosis to begin private ABA therapy with OBSS. We can start building your child's skills immediately while you await a formal assessment.
OBSS provides in-home ABA therapy across Mississauga, Toronto (all 6 boroughs), Etobicoke, Brampton, Hamilton, Oakville, and Burlington. We also offer in-centre therapy at our Mississauga head office and virtual parent coaching province-wide.
In-home ABA therapy is delivered in your home — ideal for daily living skills, behaviour support, and skill generalisation in natural routines. In-centre ABA at our Mississauga location provides a structured environment with peer interaction, ideal for school readiness. Many families blend both settings for the best outcomes. Your BCBA will recommend the right combination during your free consultation.
It depends on age, goals, and the results of your child's BCBA assessment. Most children start with 6–20 hours per week for standard ABA, or 20–40 hours per week for intensive IBI programmes. Your BCBA will recommend a schedule after the initial assessment that balances clinical best practice with your family's routine.
Yes. OBSS offers flexible scheduling including weekday evenings (until 8pm) and weekend sessions across all Ontario service areas — designed to accommodate working families and busy school schedules throughout the GTA and Southern Ontario.
Ready to Start? Book Your Free Consultation Today
OBSS is accepting new clients across Mississauga, Toronto, Etobicoke, Brampton, Hamilton, Oakville, and Burlington — no waitlist, OAP-approved, flexible scheduling, and free clinical consultation.