Fifth Third Bank Completed Comerica Account Integration

Former Comerica customers now have their accounts moved to Fifth Third as the $10.9 billion merger integration finishes.

Updated on Sept. 19, 2026 in Banking

Fifth Third Bank Completed Comerica Account Integration

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Fifth Third Bancorp has completed the technical conversion of nearly 600,000 former Comerica customer accounts and 293 banking centers. The transition marks the final stage of an all-stock merger that officially closed earlier this year.

Why it matters

The integration expands Fifth Third's presence into high-growth Sun Belt markets and consolidates its position as a major institution with over $300 billion in assets. For customers, the move standardizes account operations across a larger network of 293 banking centers.

The bank converted 600,000 accounts and 293 branches as part of its $10.9 billion acquisition. Following the merger, the institution saw its net interest margin widen 6 basis points sequentially to 3.36%.

The players

Fifth Third Bancorp

A major retail and commercial bank that recently increased its quarterly dividend to 42 cents per share.

Comerica

A regional banking institution that merged its operations into the Fifth Third network.

The details

The conversion, which took place over Labor Day weekend, integrates the former Comerica locations into Fifth Third's operational infrastructure. This merger allows the combined bank to sharpen its focus on commercial payments and middle-market lending while utilizing cost synergies projected to reach $850 million by the fourth quarter of 2026.

February 1, 2026: The merger between the two institutions officially closed.
Labor Day weekend 2026: The technical conversion of customer accounts and branches occurred.
Q4 2026: The bank expects to reach $850 million in run-rate cost synergies.
2029: The bank plans to complete the opening of 150 new financial centers.

Money Landscape

This merger follows a trend of regional bank consolidation designed to boost scale and operational efficiency. The move places Fifth Third in a position to better compete for commercial and retail deposits across its expanded Sun Belt footprint.

Former Comerica customers should review their account statements for any changes to fee structures or service terms following the transition. If you have questions regarding your specific account status, contact your local branch or consult with a qualified financial professional.

The takeaway

The merger solidifies Fifth Third as a major player with a expanded regional footprint and improved margins. Affected customers should verify their account balances and confirm that all automated payments or direct deposits have migrated correctly following the weekend conversion.