About Company

About Us

Professional Engineering Solutions You Can Trust in Ontario

At PES Associates, we believe great design goes beyond aesthetics — it’s about safety, functionality, and lasting value. Based in Ontario, we are a trusted multidisciplinary firm offering architectural design, structural and geotechnical engineering, and permit consulting services tailored to homeowners, developers, and contractors.

 

With over a decade of experience, we support projects of every scale — from custom homes and basement renovations to large commercial developments. Our team is dedicated to delivering practical, code-compliant solutions backed by thorough site assessments, accurate documentation, and responsive client service.

Founder’s Message

As an engineer, I believe our work must extend beyond drawings to create spaces that are safe, sustainable, and functional for the people who rely on them.

 

I founded PES Associates to deliver practical, code-compliant engineering solutions that simplify the building process. Whether your project is a residential addition or a commercial development, my team and I bring dedication to accuracy, efficiency, and long-term value.

 

Thank you for considering PES Associates. We look forward to being your trusted partner in building better

Dr. Premnath Selvarajah, Ph.D., P.Eng.
Founder & Professional Engineer

Marketing & Sales

We understand that every client is unique — whether you’re a homeowner managing your first renovation, a contractor juggling deadlines, or a developer overseeing complex builds. Our services and website are designed to be user-friendly, mobile-responsive, and fast-loading, providing you with clear, straightforward information so you can make confident decisions.

 

At PES Associates, we offer more than just engineering — we provide peace of mind. From your initial consultation through to final approvals, we are a reliable partner who listens carefully, provides expert advice, and delivers solutions with honesty and professionalism.

Our Mission

To help clients build better by prioritizing safety, durability, and regulatory compliance. From concept development to post-construction inspections, PES Associates is with you every step of the way, delivering expert guidance and reliable solutions that stand the test of time.

Ready to Get Started?

Contact PES Associates today to schedule a consultation and discover how we can help you build smarter, safer, and better.

Why Choose PES Associates?

13+ Years of Local & International Expertise

Proven experience across residential, commercial, and infrastructure projects.

Permit-Ready Drawings & Certified Engineering Reports

Trusted leadership ensuring precision, safety, and accountability.

Permit-Ready Drawings & Certified Engineering Reports

We streamline approvals with professionally prepared documentation.

End-to-End Project Management

From planning to completion, we ensure smooth execution at every stage.

Code-Compliant & Regulation-Ready

Every design meets local building codes and industry standards—guaranteed.