Building Client Value

MMA helps businesses, families, and high-net-worth individuals focus on the drivers that make them more profitable. We have a young leadership team who will be there to support you through different stages of your lifecycle.

Our firm uses technology to optimize our ability to analyze financial results and communicate with our clients.

Our Services


Optimizing Tax Positions

Client Accounting Services

Making Accounting Easy


Audits & Controls


Solutions Oriented Support

Wealth Services

Building Family Assets

We Deliver Advice That Matters

Thinking Beyond Compliance

Depth. The only way to materially affect the outcome of our clients is to get to know them. Not just their financial reporting, tax, or accounting needs, but to understand what they value.

Connectivity. We develop strong client relationships because it is the best way to deliver exceptional advice. Personal connections with our clients make us feel good about what we do and adds that extra element that makes an impact for our clients.

About MMA Advisors

We create exceptional client experience and work with clients who need solutions. Our professionals help optimize their tax position, develop accounting systems that capture the data they need, and provide financial statement assurance support. Our clients come to us for more than accounting-related needs. They expect us to provide ideas that build the value of their business.

Mathieson, Moyski, Austin & Co., LLP (MMA) was established in 1987 and supports clients in the greater Chicagoland area and throughout the U.S. Our team is very connected to our clients, and we bring the experience needed to take them to the next level and make progress on their goals. Our firm is a member of CPAmerica, which provides our clients with access to the resources of one of the largest CPA firms in the world, Crowe Global.


Complex. We realize it is a big world with complex regulatory needs that vary by state and by country. As the world evolved and started crossing more borders with the expansion of the Internet, global communication capabilities, and increased technology the needs of our clients changed as well.

Diverse. Our clients have customers all across the United States and internationally. They need advice that can help them address the different regulatory needs of these diverse geographies. Our clients also need a firm that can help them as they work through the different stages of their lifecycle.

Change. Change occurs and to help our clients, MMA became an independent member of one of the largest CPA Associations, CPAmerica. CPAmerica members have access to the Crowe Global network that consists of more than 200 independent accounting and advisory services firms and is in more than 120 countries.

Solutions. In short, MMA has access to solutions to any business or individual need. If we do not have the expertise residing in our office, we have the expertise anywhere on the globe that we can access with an email or a quick call to get the support you might need for an unusual or complex matter.

Team. MMA is deeply connected to the people we serve. Our mission is to be the trusted advisor to all our clients, from business enterprises to families, providing responsive, professional financial services of the highest quality.

Community. Our firm is deeply rooted in our community, whether it is participation on a Chamber of Commerce Board, commitment to a service club like the Lions Club, the Rotary Club, or the Exchange Club, or dedication to a community organization like CASA of DuPage for Court-Appointed Special Advocates working on behalf of children in the justice system. We understand that giving back is a big part of our responsibility as business owners ourselves.

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CPAmerica is a member of Crowe Global, providing our firm access to the eighth largest accounting network in the world, with over 200 independent accounting and advisory firms in 130 countries.

As a client of our firm, you receive the best of both worlds: the personal attention and sincere concern of a local firm and the knowledge and resources of an international association.