Mainstreet Credit Union
Mainstreet Credit Union is a member-owned financial cooperative in Sarnia-Lambton offering personal, business, and agricultural banking services, including mortgages, loans, investing options, and GICs. The credit union emphasizes relationship-based, personalized financial guidance and a community-focused approach, reinvesting in local causes through donations, sponsorships, and volunteer efforts.
🕰️ Organization Hours:
Last updated on Apr 2nd, 2026
Recent Activity
CU Succeed Youth Bursary program
The CU Succeed Youth Bursary program, backed by the Ontario Credit Union Foundation, is awarding $100,000 in bursaries for Ontario post secondary students. Mainstreet members pursuing college or university should apply by June 30, 2026; details and the application are at https://cusyb.ocuf.org/.
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Cash Back World Elite® Mastercard rebate offer
Mainstreet Credit Union is offering a promotion for the Cash Back World Elite Mastercard that provides a $120 first year fee rebate and bonus Flex Rewards points for cards activated between April 1, 2026 and June 30, 2026. Visit the Mainstreet Credit Union website to learn more and apply, terms and conditions apply.
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Mortgage cash incentive offer
Mainstreet Credit Union is offering up to $4,500 cash when you buy, refinance, or switch your mortgage to Mainstreet, plus a dedicated advisor to guide you. Learn more and start the process via the offer page at https://mainstreetcu.ca/mortgage-offer; terms and conditions apply.
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5-year employee milestone
Mainstreet Credit Union celebrates Alyssa on her five year milestone, recognizing her growth from Member Service Representative to Community Engagement and CSR Coordinator. The post thanks her for dedication to serving communities and building lasting partnerships, and includes hashtags #MainstreetCU and #InvestedInYou.
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Five-year employee milestone recognition
Mainstreet Credit Union celebrates Nikhil on his five year milestone as Commercial and Agricultural Account Manager in Sarnia, noting his role in supporting local businesses and farmers. The post credits the organization’s community focused culture and leadership mentorship for his growth, and shares thanks from Mainstreet and its members.
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Fill the Bus CAMPaign
Mainstreet Credit Union and the YMCA of Southwestern Ontario are running the Fill the Bus CAMPaign, reporting a $40,000 contribution and hosting community bus push events in Chatham on June 6, London on June 18, and Sarnia on July 10. Registration is open for teams to raise funds or donate to help send kids to YMCA summer camp; see Push the Bus | YMCA of Southwestern Ontario for details.
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Cottage and cabin succession planning webinar
Mainstreet Credit Union hosts a free 60 minute webinar on cottage and cabin succession planning with Aviso Wealth tax expert Doug Carroll on June 11 at 12 PM, delivered over Zoom. Register now to attend live or get a recording emailed to you after the session.
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Youth sports team ticket giveaway (25 tickets)
Mainstreet Credit Union and the London Majors are giving one youth sports team 25 tickets to a London Majors home game. Enter at https://mainstreetcu.ca/giveaway by May 22, 2026 at 11:59 PM, and the winning team entrant and coach will be notified by email.
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Branch closure announcement
Mainstreet Credit Union will close all branches and staffed services for Victoria Day on Monday, May 18, 2026, and will resume branch service on Tuesday, May 19, 2026. The brief notice is intended to help members plan branch visits and rely on online or mobile banking on the holiday.
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Ice Cream Galore
Mainstreet Credit Union spotlights Ice Cream Galore in Point Edward, a nearly 50 year local favorite known for fresh waffle cones and generous scoops. The piece frames the shop as a seasonal tradition to support during the May long weekend and links to a longer story on the credit union website.
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Student credit cards and student banking offerings
Mainstreet Credit Union is promoting student credit cards and student banking offerings to help you build credit and manage school expenses before the fall semester. Explore low fee or no fee card options, student banking products, and book a meeting with an advisor via their student and youth page at https://mainstreetcu.ca/student-and-youth.
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Mother's Day greeting
Mainstreet Credit Union posted a heartfelt Happy Mother's Day message on 2026-05-10, thanking mothers and mother figures and using #MainstreetCU, #Investedinyou, and #Mothersday. The brief social greeting is a friendly, community focused note from the organization that day.
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Push the Bus
Mainstreet Credit Union is promoting the Push the Bus campaign to raise mobile donations for YMCA of SWO summer programs. You can contribute instantly by texting BUS to 30333, a simple action that helps local children, youth, and families access vital services.
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Why you should get pre-approved for a mortgage
Mainstreet Credit Union recommends getting pre approved before you shop to gain clarity, confidence, and peace of mind during your home buying journey. Read the full blog at MainstreetCU.ca and connect with an advisor when you are ready to move forward.
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GIC special
Mainstreet Credit Union is running a limited time GIC special with 3.60% for 18 months and 3.65% for 30 months, available through May 31, 2026. Visit the Mainstreet offer page to review details or book a meeting to open a GIC while these rates remain available.
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Employee 10-year milestone announcement
Mainstreet Credit Union is celebrating James for reaching his 10 year milestone as Branch Manager of the Goderich branch, with a personal message about teamwork and community. The post thanks James for his commitment and invites recognition using #MainstreetCU and #InvestedInYou.
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2025 Annual Report Release
Mainstreet Credit Union has posted its 2025 Annual Report online, featuring 2025 financials, the opening of a new Petrolia branch, 16 percent growth in assets under administration, 900 volunteer hours, and more than $189,000 shared with the community. Read or download the full report at the link provided for leadership notes, team highlights, and detailed financial statements.
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New Business Account Manager announcement
Mainstreet Credit Union announced Tiffany Burnett as their new Business Account Manager for Sarnia on 2026-04-30. With eight years at Mainstreet and a relationship first approach, she will deliver personalized guidance and seamless banking experiences to local businesses.
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Socially responsible investing overview
Mainstreet Credit Union offers a concise introduction to socially responsible investing, showing how to weigh environmental, social, and governance factors alongside long term performance. The piece links to a blog post that walks through building a values aligned investment approach with clarity and practical next steps.
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First-time home buyer tips announcement
Mainstreet Credit Union posted concise, practical advice for first time home buyers focusing on three steps: get pre approved, budget for ownership costs, and assemble a reliable team including your lender, a lawyer, and a real estate agent. The announcement links to a dedicated resource page at MainstreetCU for next steps and tools.
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Guidance on borrowing and HELOC blog announcement
Mainstreet Credit Union published a blog on April 27, 2026 offering advisor guidance about home equity lines of credit and how to fit borrowing into your financial plan. Read the blog for practical tips on HELOCs and to book a meeting with Mainstreet advisors using the link provided.
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Community volunteering & giving summary — National Volunteer Week
Mainstreet Credit Union marked National Volunteer Week by sharing a year of community impact: staff contributed 900 volunteer hours, the organization supported 52 community events, and $189,000 was shared through sponsorships, donations, and scholarships. The post highlights the credit union's ongoing investment in local communities and invites readers to follow their hashtags for more updates.
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Investing guidance and advisor resources
Mainstreet Credit Union published a blog on 2026-04-23 offering advisor perspectives on investing during economic uncertainty and the option to book a meeting. It emphasizes that volatility is part of investing and that a clear plan plus ongoing support can help you stay focused on long term goals.
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Earth Day donation and beach clean-up update
Mainstreet Credit Union marked Earth Day by donating $1,000 to the Lake Huron Coastal Centre and joining the Coastal Centre's beach clean-up at St. Christopher Beach on April 18, 2026. Staff volunteers helped remove 180 pounds of garbage from Goderich shorelines, supporting education, restoration, and research for a healthier Lake Huron coast.
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Mainstreet World Elite Business Mastercard
Mainstreet Credit Union is offering the Mainstreet World Elite Business Mastercard with a $130 first-year fee rebate and bonus Flex Rewards points when you activate the card between April 1 and June 30, 2026. The card also includes access to business optimization tools as an ongoing benefit, with full terms and application details available on the linked offer page.
