Castle Building Centres Group Ltd.

Independence Amplified.

Castle is Canada's fastest-growing, member-owned buying group serving independent lumber, building material and hardware retailers. Built for independents and powered by collaboration.You keep your independence. We amplify it.

Keep your independence.

Increase your purchasing power.

Access national vendor programs.

Strengthen your local business.

Grow with confidence.

Join a community invested in your success.

Keep your independence.

Increase your purchasing power.

Access national vendor programs.

Strengthen your local business.

Grow with confidence.

Join a community invested in your success.

Who We Are

The Castle Difference.

Every member has a unique story, a unique community and a unique way of doing business. That's why our model is built around flexibility, collaboration and long-term relationships — not a one-size-fits-all solution.

Because when independent businesses succeed, communities thrive.

Why Independents Choose Castle
  • Keep your independence.

  • Increase your purchasing power.

  • Access national vendor programs.

  • One-on-one attention from dedicated Business Development Manager

  • Unwavering support from the Castle Head office Team

  • Strengthen your local business.

  • Grow with confidence.

  • Join a community invested in your success.

Our Full Story
Castle member store
60+ years
Building communities
across Canada
Our 4 Pillars

Built on four principles.

These aren't words on a wall. They're the foundation of Castle and the reason 350+ independents chose Castle over every other banner.

Integrity
Castle operates with honesty and steadfast integrity in everything we do. You can ask any question and be certain of an honest answer. Always.
Simplicity
No complicated fee structures. No hidden costs. Straightforward membership agreements and the lowest cost of affiliation available to independents.
Transparency
Transparent governance. Audited financials shared with every member annually. What you see is exactly what you get — and what you earn.
Community
The Castle Culture is all about Community. Our collective network cultivates strong relationships invested in the success of our members. We are a community that wins together.
Why Castle

Keep Your Independence. Amplify Your Success.

Independence doesn't mean alone. Castle supports you every step of the way. Our buying group is designed to help our members compete, grow and thrive, without sacrificing what makes them unique.

View All Programs
Our Reach

Coast to coast, community to community.

You're Not Just a Location. You're a Leader.

Castle members are the backbone of their local communities. Our 350+ locations are made up of entrepreneurs, community builders, and industry leaders. From small towns to major markets, Castle locations are deeply rooted in the communities they serve — employing local teams, supporting local initiatives, and building lasting customer trust.

When you join Castle, you're not joining a chain. You're joining a collective of independents who believe community matters.

350+
Member Locations
Animated map of Castle member locations across Canada
Ready to amplify
your independence?
Let's Talk