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September 7, 2026 Please be advised that all Mainstreet branches and staffed services will be closed on Monday, September 7, 2026 for Labour Day. We will see you back in the branch on Tuesday!

Letter of Credit

A letter of credit is a financial guarantee issued by Mainstreet on behalf of your business. It assures a supplier or partner that payment will be made once agreed upon terms are met, helping transactions move forward with confidence.

Benefits of a letter of credit

Stronger supplier confidence

Provide suppliers and partners with the assurance that payment is guaranteed by your financial institution once agreed terms are met.

Reduced transaction risk

Protect both parties in large or complex transactions by ensuring payment conditions are clearly defined and secured.

Trading confidence

Facilitate domestic transactions with secure, bank-backed payment guarantees.

Strengthened negotiations

Demonstrate financial credibility when entering contracts, helping you negotiate terms with greater confidence.

Explore more business solutions

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Mortgages →

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Loans →

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Lines of credit →

Business solutions →

Finance-backed confidence, when it matters

Connect with our team to get started with a letter of credit.