Mainstreet Credit Union
Mainstreet Credit Union is a member-owned financial cooperative in Sarnia-Lambton offering personal, business, and agricultural banking services including chequing and savings accounts, mortgages, loans, GICs, and investment options. It provides relationship-based advice through branch and digital channels, a self-serve Open Anytime platform for remote account setup, and targeted business and ag advisory support. Mainstreet emphasizes community engagement through scholarships, bursaries, sponsorships, and local events while focusing on member satisfaction and local decision making.
🕰️ Organization Hours:
Last updated on Apr 2nd, 2026
Recent Activity
Member spotlight: Glen of Fox Farms
Mainstreet Credit Union highlights Glen, owner and operator of Fox Farms in Lambton County, with a member spotlight video on YouTube. The piece links to Mainstreet resources about commercial and agricultural banking and provides a booking link to schedule a meeting.
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Mainstreet Small Business Loan & Line of Credit
Mainstreet Credit Union is featuring two small business financing options, a Mainstreet Small Business Loan and a Line of Credit, with an invitation to watch a video and book an appointment. Visit the provided Mainstreet business loans page to explore which option fits your business needs and schedule a consultation.
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Business banking solutions
Mainstreet Credit Union highlights business chequing accounts, savings accounts, and GICs as solutions to manage cash flow and support long term goals. The post invites business owners to book an appointment via the provided link to explore which accounts fit their current stage.
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30-month GIC offer
Mainstreet Credit Union is offering 4.00% on a 30-month Guaranteed Investment Certificate, a limited time promotion inviting savers to explore this fixed term option. Visit the Mainstreet offer page at the provided link to review details and consider how a 30-month GIC fits your savings plan.
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EBITDA resource and advisory meeting offer
Mainstreet Credit Union published a practical EBITDA guide on October 13, 2026, that explains what EBITDA is and why business owners should care. Read the post at https://buff.ly/CYFCdBx or book a meeting with a local business advisor at mainstreetcu.ca for personalized help.
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Mainstreet Credit Union Thanksgiving Weekend Closure
Mainstreet Credit Union will close all staffed services and branch locations for Thanksgiving on Monday, October 12, 2026, and branches will reopen on Tuesday. Members should plan banking around the brief closure and use online or mobile banking for urgent needs.
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Credit Card balance transfer offer
Mainstreet Credit Union is offering 0% interest for nine months on balance transfers, with a one-time transfer fee of 3% of the transferred amount. Visit the provided link to review terms and apply if you want to pause interest charges for a limited period.
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International Credit Union Day celebration
Mainstreet Credit Union is hosting an International Credit Union Day celebration on October 15, 2026 from 10 AM to 2 PM at local branches, with reduced hours at Ailsa Craig and Port Lambton from 10 AM to 12 PM. Stop by for refreshments, member friendly activities, and a giveaway with over $1,000 in prizes including a $250 wealth booster pack and a $250 charity donation; enter at the provided link before Oct 15.
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Support for small businesses and member stories
Mainstreet Credit Union is sharing member stories that show how it supports small businesses and farmers, emphasizing local impact in Sarnia Lambton and Middlesex. Read the personal journeys and examples of how Mainstreet helps businesses grow at https://buff.ly/LZD9Npb.
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Business plan follow-up guidance and meeting invitation
Mainstreet Credit Union encourages entrepreneurs to move from planning to action, offering a blog with follow up guidance plus the option to book a meeting with a local Commercial, Ag, or Business Account Manager. Visit the provided link to read the full post and schedule one on one support tailored to your business plan.
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International Credit Union Day celebration
Mainstreet Credit Union invites the public to celebrate International Credit Union Day on Thursday, October 15 with treats, refreshments, and in‑branch giveaways. Most branches host the main celebration from 10 AM to 2 PM, while reduced hours branches like Ailsa Craig and Port Lambton run from 10 AM to 12 PM. Enter via the link in the organization bio for a chance to win prizes including a $500 wealth booster pack.
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Small Business Month: Ontario & Local Small Business Statistics
Mainstreet Credit Union marks Small Business Month with Ontario level data showing 410,154 small employer businesses in 2024, representing 98 percent of all employer businesses. The post also highlights local community patterns, noting nearly half of Chatham-Kent firms employ 1 to 4 people and over 75 percent of Middlesex County firms have fewer than 10 employees.
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Branch closures for National Day for Truth and Reconciliation
Mainstreet Credit Union will close all staffed services and branch locations for the National Day for Truth and Reconciliation on Wednesday, September 30, 2026. The notice honors children who never returned home, Survivors of residential schools, and their families, and is shared with the hashtags #NDTR and #EveryChildMatters.
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Financial savings and budgeting blog
Mainstreet Credit Union published a practical blog on budgeting and paying yourself first to help you save for your next big purchase, with a link to read the full post and an option to book a meeting for personalized support. The post is focused on simple, actionable steps and includes hashtags #MainstreetCU and #FinancialTips for follow up.
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Credit card application sweepstakes
Mainstreet Credit Union is running a sweepstakes where applying for a credit card enters you to win an Atlantic Canada escape valued at $14,000. The promotion emphasizes quick action and links applicants to the online application with terms and conditions noted.
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CU Succeed Youth Bursary Recipients Announcement
Mainstreet Credit Union announced the CU Succeed Youth Bursary recipients for 2026, congratulating members Neveah and Zoey and noting the Ontario Credit Union Foundation as sponsor. The bursary provides financial support to young adults pursuing post secondary education and aims to make continuing education more accessible.
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Open Anytime self-serve platform
Mainstreet Credit Union's Open Anytime self serve platform lets new members join and begin applications for chequing, savings, GICs, and registered investment accounts at any hour. Learn more or start your application at https://mainstreetcu.ca/join.
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Credit Card Basics
Mainstreet Credit Union published a Credit Card Basics blog on 2026-09-23 that explains what credit cards are, how interest and minimum payments work, and how to build credit responsibly. Read the full post on their website for practical tips and next steps at https://mainstreetcu.ca/blog/how-credit-cards-work.
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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.
