Banking that is invested in you

What can we help you with?

Experience banking that is
Invested in you.

We're a co-op

Unlike the banks, we exist for you. Period.

Great rates

We provide great rates and prices on accounts, loans, mortgages, and more, to help you get ahead.

We give advice

As a cooperative we exist solely for you. Without commissions, or the need to make shareholders rich, we can focus solely on what products and services are best for you, nothing else.

We are local

We understand Southwestern Ontario. Decisions are made here. Profits go back to our communities.

We share

When's the last time your bank paid you? Never? We do through our profit-sharing program.

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Sarnia-Lambton Branch Channel Strategy

See updates on our Sarnia-Lambton branch channel strategy.

Refer A Friend

You and the person who referred you could each earn up to $250 in referral rewards.

When purchasing the farm financing wasn’t a pleasant experience, my parents recommended we go to Mainstreet and when we did it was like a breath of fresh air. I was surprised at how I felt cared for as a person and not a number. The employees know you personally and understand the unpredictable nature of farming finances. At Mainstreet we feel invested in… that we matter.

— Sarah & Barry More Stories