Mainstreet Credit Union
Mainstreet Credit Union is a member-owned financial cooperative in Sarnia-Lambton providing personal, business, and agricultural banking, mortgages, loans, investment products including GICs, and student banking. It offers relationship-based financial advice through in-branch and digital channels, a self-serve Open Anytime platform for remote account setup, and limited-time savings and mortgage offers. Mainstreet emphasizes community engagement through scholarships, sponsorships, and local events while focusing on member satisfaction and local decision making.
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Last updated on Apr 2nd, 2026
Recent Activity
Fraud prevention reminder
Mainstreet Credit Union reminds you to check messages, emails, and accounts before clicking, sharing, or sending to reduce fraud risk. The brief post points to a short set of practical tips and encourages following the credit union for more safety guidance.
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Financial planning reminder and call-to-action
Mainstreet Credit Union invites you to use the new season as a prompt to check your financial plan or begin one if you have not yet. Swipe through their short guide to learn why a plan matters and simple first steps to get started, with actionable tips shared under #FinancialWellness and #FinancialPlanning.
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Five-year milestone for President & CEO Chris
Mainstreet Credit Union congratulates President and CEO Chris on his five year milestone, thanking employees, leaders, directors, and members for their role in the organization’s progress. The announcement emphasizes shared achievements, resilience through challenges, and optimism about the future.
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Branch Holiday Closure
Mainstreet Credit Union will close all staffed services and branch locations for Labour Day on Monday, September 7, 2026, with branches reopening Tuesday. This brief notice helps members plan routine banking before the holiday, while online and mobile banking remain available.
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Corunna Street Festival
Corunna Street Festival returns as a community day of fun on September 19, 2026, with Mainstreet Credit Union on site inviting you to stop by. Expect a neighborhood festival atmosphere focused on local connection and casual family friendly activities; check Mainstreet channels for any schedule updates.
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Mainstreet x Sarnia Sting Junior VIP experience
Mainstreet Credit Union is offering a Mainstreet Youth VIP sweepstakes with the Sarnia Sting for the 2026 to 2027 season, featuring prime gameday seating for a junior fan and three guests, a swag bag with jersey and puck, a behind the scenes dressing room tour, and exclusive bench viewing. Enter through Mainstreet's website to register and see full rules and entry details.
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Mortgage advisory service announcement
Mainstreet Credit Union announced a friendly, lighthearted mortgage advisory message on September 1, 2026, highlighting support for first time buyers and those moving into forever homes. The post uses a playful social trend to emphasize that advisors make the mortgage process easy and comfortable while staying professional and supportive.
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Open Anytime self-serve platform
Mainstreet Credit Union's Open Anytime self serve platform lets you begin applications for chequing and savings accounts, GICs, and registered investment accounts whenever it suits you. The service emphasizes simple, secure remote account setup; visit https://mainstreetcu.ca/join to become a member and get started.
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Employee 5-year milestone announcement
Mainstreet Credit Union celebrates Travis for five years as their Director of Commercial and Agricultural Experience, highlighting his leadership with Commercial, Ag, and Business Account Managers and his hands on member work. He says the best part of his time is working with members, supporting his team, and joining community events to learn about the people they serve.
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Being an Executor of an Estate webinar
Doug Carroll from Aviso Wealth Inc. leads a free, 60 minute webinar on becoming and acting as an executor of an estate, hosted by Mainstreet Credit Union. The session is scheduled for September 10, 2026 at 12:00 PM, and registrants who cannot attend will be emailed a recording.
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Student budgeting tips and guide promotion
Mainstreet Credit Union published a Student Budgeting Guide on 2026-08-26 designed to bust common student budgeting myths and show how to budget without giving up social life. Read the guide at the provided link or book a meeting for personalized advice.
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Limited-time GIC rate offers
Mainstreet Credit Union is offering time limited GIC rates, including a 3.00% 1-year cashable GIC and a 3.65% 30-month GIC, with offers ending on August 31, 2026. Visit https://mainstreetcu.ca/gic to learn more or book a meeting to secure these rates while they are available.
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Student line of credit blog announcement
Mainstreet Credit Union published a blog on August 24 about student lines of credit, covering how they work, the benefits, and when to consider one. Read the post at the provided URL and connect with a Mainstreet advisor for personalized help planning tuition and living expenses.
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Personal mortgage services
Mainstreet Credit Union offers personal mortgage services in Southwestern Ontario, focusing on personalized advice and local decision making for buying, renewing, or switching a mortgage. Book a one on one meeting online to review options and next steps at https://mainstreetcu.ca/personal-mortgages.
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Student banking options
Mainstreet Credit Union is promoting student banking options to help students open accounts, build budgeting skills, and manage everyday spending this school year. Visit your local Mainstreet branch or go to https://mainstreetcu.ca/student-and-youth to learn more about available accounts and resources in Southwestern Ontario.
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Mainstreet balance transfer offer
Mainstreet Credit Union is offering a balance transfer promotion with 0% interest for nine months and a one time 3% transfer fee. Visit the linked offer page to review terms and begin a transfer to a Mainstreet Credit Card.
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Student financial tips social post
Mainstreet Credit Union shared quick financial tips for students heading to college or university this fall and invites readers to book a meeting at https://mainstreetcu.ca/. The social post emphasizes budgeting, building good habits early, and encourages students to share their own money tips using hashtags like #StudentBanking and #FinancialLiteracy.
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Move your mortgage cash back offer
Mainstreet Credit Union is offering up to $4,500 cash back for a limited time when you move your mortgage to them. Book an appointment with an advisor at https://mainstreetcu.ca/mortgage-offer to learn how the offer could apply to buying, moving, or refinancing your mortgage; terms and conditions apply.
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Promotional social post: Financial confidence
Mainstreet Credit Union shares a stylish prompt to boost financial confidence, encouraging intentional saving and investing while inviting followers to define their own money moves. The short social post uses friendly language and hashtags to start conversations about financial wellness.
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30-month GIC rate promotion
Mainstreet Credit Union is offering a 3.65 percent guaranteed rate on a 30 month GIC as a limited time rate offer that ends on August 31, 2026. Visit https://mainstreetcu.ca/gic to learn more or book a meeting to start saving.
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Student Scholarship Program
Mainstreet Credit Union is awarding three $1,000 scholarships to Mainstreet members aged 17 to 23 who will attend a Canadian post secondary institution in September 2026. Applications require a short essay on community involvement and an essay or video about healthy financial habits and are due August 14, 2026; apply online at the link provided.
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Employee 20-year milestone celebration
Mainstreet Credit Union celebrates Chelsey for 20 years of service, noting her journey from Greeter to Executive Assistant to the CEO and now to Member Experience Support on the Operations team. The announcement thanks her for two decades of dedication and highlights her role in creating positive experiences for members and colleagues.
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Credit card application sweepstakes
Apply for a Mainstreet Credit Union credit card for a chance to win a trip to Canada’s East Coast valued at $14,000, per the published sweepstakes. Follow the provided link to view the offer and the terms and conditions before applying.
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1-Year Cashable GIC and 30-Month GIC offers
Mainstreet Credit Union is running a limited time GIC promotion offering a 1-Year Cashable GIC at 3.00% and a 30-Month GIC at 3.65%, with the offers available through August 31, 2026. Visit mainstreetcu.ca/gic to book an appointment with a Mainstreet Advisor and compare which option best suits your savings goals.
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Graduation financial planning support
Mainstreet Credit Union is offering graduation financial planning support to help new graduates build budgets, savings strategies, and next step plans. Visit their blog at mainstreetcu.ca/blog to learn more and to book a meeting with a planner tailored to students and recent graduates.
