We do our job, so you can keep doing yours.
We know numbers, and won’t ever treat you like one.
We file smart, not out of fear.

DeDecker Wertz CPAs – Elevate Your Financial Experience

We know – numbers can be dry. But they’re also the magic behind every success story.

At DeDecker Wertz CPAs, we specialize in providing personalized financial solutions tailored to the needs of dynamic business owners. With a focus on individualized service and strategic tax advisory, our firm is dedicated to assisting clients in optimizing their financial outcomes.

Operating as a firm attuned to the unique requirements of each client, we offer expertise in business tax returns, real estate entity returns, and trust estate returns, excelling in providing comprehensive tax advisory support.

Located in Wisconsin, with offices in Brookfield and Germantown, our firm has built a strong reputation over 25 years for delivering results-driven solutions. At DeDecker Wertz CPAs, we are deeply committed to the success of our clients and take pride in our role as trusted advisors in their financial journeys.

We get to know your business and you.

Our Services

Tax Preparation & Planning
We file smart, not out of fear.

With our seasoned tax and accounting professionals leading the way, you gain the ability to effectively handle your financial responsibilities, enhance cash flow, and leverage the system to your advantage. In a constantly evolving environment of regulations and tax legislation, our team remains vigilant, ensuring you stay informed and reducing the likelihood of encountering IRS scrutiny.

Business Financial Consulting
We know numbers, and won’t ever treat you like one.

We offer support in crafting business strategies, offering insights on tax management, capital allocations, and insurance considerations to propel your ventures onward. Leveraging our extensive experience collaborating with lenders and investors, we guide you through the intricacies of securing the necessary capital for expansion, enhancements, and sustained growth.

Bookkeeping & Payroll Accounting
We do our job, so you can keep doing yours.

Our comprehensive monthly bookkeeping and payroll solutions empower business owners to concentrate on their core competencies – managing and developing their businesses. As you prioritize customer satisfaction and business expansion, our proactive support operates discreetly in the background, enabling you to maintain unwavering focus on your growth trajectory.


The DeDecker Wertz Difference

At DeDecker Wertz CPAs, we thrive on resolving the daunting challenges that burden every business owner but often fall by the wayside due to time constraints. While we delve into the intricate realm of financial maintenance and tax obligations, our clients can redirect their focus towards nurturing the growth of their ventures. Our collaborative approach ensures mutual accountability and transparency, relieving clients of the need to micromanage our processes and allowing them to resume full control over their business operations.

Gone are the days of apprehension when dealing with your accountant – we streamline the management of your company’s finances, making the process virtually effortless. Navigating the complexities of taxes and regulations can be arduous and time-consuming, which is why we stand by your side. With our guidance and tailored programs, you can take proactive measures to safeguard both yourself and your business against potential regulatory scrutiny. Ultimately, DeDecker Wertz CPAs instills peace of mind and bolsters credibility with regulatory bodies and financial institutions, empowering you to focus on running your business without the burden of financial concerns.

We solve the problems you didn’t even know were holding you back.


When will my IRS refund be sent?
Get Status

When will my WI refund be sent?
Get Status

I would like to make an electronic Federal estimated tax payment.
Make A Payment

I would like to make an electronic State of WI estimated tax payment.
Make A Payment

Contact Us

Main Office
325 North Corporate Drive, Suite 150
Brookfield, WI 53045

Call or Text Us!
(262) 512-1099

When it comes to your financials, security is number one.
Due to increased phishing and human engineering hacker attacks targeting CPA firms, our website, by design, does not have a contact form – however, we would still welcome the opportunity to speak with you. If you’re interested in setting up a no cost or obligation discovery meeting, please call or text us any time during our regular office hours at (262) 512-1099. Our team is ready to accommodate you with an initial meeting via Zoom video chat or an in-person conversation.