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Proud to Be #1 in the QC

Voted Best of the QC by the Quad City Times, Best Accounting Firm in the region & Fastest Growing Business by QCBJ, top business in Accounting Services by Locals Love Us and one of the Coolest Places to Work.

Our Trusted Legacy

Welcome Hammar & Associates

We are excited that Hammar & Associates has merged with Centennial Tax & Accounting. We now have 40 local professionals with over 600 years of combined experience to serve our valued clients.

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Planning for tomorrow, today

Financial worries don’t wait for tax season. We’ll help you prepare for what’s next.

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Bridging you to financial success

Proudly connecting the Quad Cities to financial opportunities with 300+ years of combined expertise.

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Timely insights, accessible expertise

Read our Knowledge Center articles and find helpful resources.

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Thinking ahead

Helping Quad Cities families and businesses navigate financial decisions and pandemic re-emergence.

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Our Services

As your Quad Cities tax and accounting experts, we connect clients to the best financial opportunities through trusted advice and service. Explore our services and see all the ways we can help.

Local. And proud of it.

We’re part of this community. And we are driven to build your success, so that together we can advance the community we love.

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Knowledge Center

Managing your finances starts with strategy and expertise. Our knowledge center is designed to share the latest industry insights from our team to keep you updated, informed and always in-the-know.

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