About Les Bertram & Sons

Built on Integrity. Driven by Experience. Focused on Results Since 1939

For over 85 years, Les Bertram & Sons has been shaping the landscape of Simcoe County and surrounding regions with construction solutions that stand the test of time. Founded in 1939, our family-run business has evolved into a respected name in commercial, institutional, agricultural, and aviation construction, known not just for what we build, but how we build it.

Our longevity isn’t just about history, it’s about consistency. We’re proud to work with local trades, engineers, and designers who share our passion for excellence. With deep roots in the communities we serve and a portfolio that spans generations, Les Bertram & Sons continues to be the contractor of choice for clients who value trust, quality, and result

Our Mission

To deliver high-quality, purpose-driven construction solutions built on trust, craftsmanship, and lasting relationships, serving our clients, our communities, and our industry with integrity and excellence.

Our Core Values

Integrity First

We stand by our word, honour our commitments, and take pride in doing things the right way, even when no one’s watching.

Built on Craftsmanship

Every project is a reflection of our legacy. We believe in skilled work, attention to detail, and building structures that last generations.

Local Strength

We prioritize local partnerships, hire local trades, and invest in the communities where we live and work.

Client-Focused Delivery

We tailor every build to the client’s needs, offering flexible project delivery methods backed by transparent communication.

Innovation with Purpose

From aviation infrastructure to agricultural solutions, we embrace modern building techniques that improve quality, safety, and efficiency.

Safety & Accountability

We maintain a safety-first mindset on every site, ensuring the wellbeing of our team, partners, and clients.

Recognized for Excellence

Les Bertram & Sons is proud to be an award-winning authorized dealer for Robertson Building Systems and a long-standing member of respected industry associations. These partnerships reflect our ongoing commitment to building with integrity, adhering to the highest standards, and supporting the trades and communities we serve.