11 JUL 2025 / M&A UPDATES

Platform Accounting Group Deepens Midwest Reach with Madison Street Advisors

- MYCPE ONE Insights Team

Summary

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Chicago-based Madison Street Advisors, formerly known as McCormick Tax Group, has been acquired by Salt Lake City's Platform Accounting Group, boosting the firm's Midwest presence as well as its proficiency in complex tax planning, audit mitigation, tax defense, and IRS dispute resolution. The move is part of Platform Accounting Group's broader strategy to build a self-sustaining network of tax, accounting, ERP, and wealth management professionals while preserving firm autonomy and local connections.

Salt Lake City-based Platform Accounting Group has expanded its growing national presence with the addition of Chicago-based Madison Street Advisors, formerly McCormick Tax Group. Known for its sharp focus on audit mitigation, tax defense, and IRS dispute resolution, Madison Street strengthens Platform’s reach in the Midwest and enhances its expertise in complex tax planning.

Led by managing partner Michael T. McCormick, Madison Street Advisors brings a seasoned team of attorneys, CPAs, and enrolled agents. Their services range from bookkeeping and audit defense to business consulting, tailored to meet the evolving needs of clients facing heightened IRS scrutiny. “We understand our clients deeply,” said McCormick. “This partnership lets us scale our capabilities without compromising on the relationships that define our work.”

Platform Accounting Group continues to scale rapidly, doubling its size annually over the last decade. With nearly 1,000 employees in 16 states and an industry-leading low turnover rate, the firm prioritizes both localized client service and national resource leverage. The Madison Street Advisors combination reflects Platform’s ongoing mission to build a next-gen ecosystem of tax, accounting, ERP, and wealth management professionals, all while preserving firm autonomy and local roots.

Until next time…

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