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Join Mainstreet

Why join Mainstreet?

Member-Owned

You’re not just a customer, you’re a member and an owner. That means our focus is helping you succeed, not maximizing profits

Personalized Advice

Our advisors take the time to understand you, your goals, and your financial aspirations, providing guidance and solutions tailored to your needs.

Committed to Our Communities

Each year, we reinvest 5% of our income back into the communities we serve through local partnerships and initiatives that strengthen the places we call home.

Local Decisions

Decisions are made right here by advisors who live and work in your community, so you get knowledgeable support that understands your local market.

When you join Mainstreet, you become part of a financial institution built around people, not profits.

We’re a member-owned credit union rooted in Southwestern Ontario, offering a full range of banking, lending, and investment solutions to support every stage of your financial journey. From everyday banking to long-term planning, we focus on helping individuals, families, and businesses feel confident in their financial future.

That means taking the time to understand what matters to you and providing advice and solutions that fit your life.

As a member, you’re also an owner, and that shapes how we make decisions, support our communities, and serve you every day.

  • 1

    Join in person or online

    Personal members can open accounts online or book an appointment with an advisor in person or virtually. Business members typically meet with an advisor so we can understand their needs.

  • 2

    Tell us what matters

    We take the time to get to know you, your goals, and your financial priorities so we can recommend the accounts and services that fit best.

  • 3

    Start banking with confidence

    Once your membership is set up, you can start banking, borrowing, and planning with advice from a team that’s invested in your success.

Know someone who should bank with Mainstreet?

Our Refer a Friend program rewards both you and the person you refer when they become a new Mainstreet member and open qualifying accounts or services. You may each receive up to $50 per qualifying product, with the opportunity to earn up to $250 in referral rewards.

Chequing Account

$50 Cash

Mortgage

$100 Cash

Loan

$50 Cash

Investment Services

$50 Cash

See full terms and conditions

Ready to join Mainstreet?

Start your membership today and discover banking that’s invested in you.