A financial institution created by members, for members.

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You come first at Alliant

When you join Alliant, you are not just an account number. Alliant Credit Union is a not-for-profit financial cooperative, which means that all of our members are also owners.

Our members-first philosophy has always served us well. With over 85 years of history and more than $19 billion in assets, Alliant Credit Union is the largest credit union in Illinois and one of the largest in the nation. Our excellent online, mobile and phone banking services, combined with our full suite of competitive products, make banking simpler for our 800,000+ members nationwide. 

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Values

At Alliant, we share a common set of values that guide us:

Wow Members:
We delight our members: the why of all we do.

Unleash Talent:
We seek different perspectives and maximize potential to achieve more.

Be Bold:
We think big, move fast and own the outcome.

Build Together:
We innovate, deliver and celebrate as a team.

Do Good:
We change something for the better each day.

Alliant History

  1. October 26, 1935

    A small group of United Airlines employees came together to organize a credit union. Originally founded as the United Airlines Employees’ Credit Union, this tight-knit group of employees had a vision of providing a safe place to save and get loans at fair rates. By year end, the credit union had grown to:

    146

    Members

    $5,088

    In Assets

    38

    Loans

    $4,210

    Loan Totals
  2. Alliant Through the Years

    From this modest start, Alliant increasingly expanded products, services and digital capabilities while still maintaining a low-cost business model. Through the decades, we continued to grow through innovation and responsive member care and service.

    Our success is due, in part, to our strong focus on member benefits. Potential offerings are evaluated by our Board of Directors based on overall benefit to the membership and impact to earnings. New products and services must meet strict criteria of quality, competitive pricing, and the ability to enhance credit union earnings and “giveback” to members.

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  3. Alliant Today

    Alliant ranks as the one of the largest credit unions in the nation, serving 800,000 members nationwide with more than $19 billion in assets. We offer better-than-bank rates, allowing our members to save more and earn more. As a digital credit union, Alliant also provides members with top-notch online banking, an award-winning mobile banking app, retirement and investment services, ongoing personal finance education, and member-acclaimed 24/7 customer service, even on holidays!

    800,000

    Members

    $19 billion

    In Assets

    $10 billion

    Loan Totals

★★★★★

Best Overall Credit Union

CNBC

★★★★★

2024 Best Credit Union

Nerdwallet

★★★★★

2024 Best Credit Union

BankRate

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