Oak Brook 312.345.6201 | Merriville 219-769-6000 pschimmel@hmscpatax.com

HMS, Advisors you can trust

When you want expert CPA Services, take a closer look at HMS CPA, you’ll get professional results, and free friendly advice when you call us now.

Small Business Accounting

Hegre, McMahon, & Schimmel, LLC is a full-service middle market certified public accounting (CPA).


Quickbooks assistance to clients in various industries.

Tax Preparation

Income tax return preparation, compilations, tax preparation services

What we Do

At HMS, We Cover an Array of Individual & Corporates Accounting Services

Pete Schimmel

Peter T. Schimmel, CPA, MST
Senior Managing Member; Tax & Accounting Services

Steve Lombardo

Steve Lombardo, CPA
Member; Audit & Tax Services

Sean E. McMahon

Sean E. McMahon, JD, LLM, CPA
Member; Tax & Accounting Services

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HMS Can Help You Free Yourself from The Burdensome Complexities of Your Financials

We have seen many clients with unique financial concerns, some big, some small.  We helped them work through them all,  this gives us the ability to look at your situation from an experienced perspective, then offer the right approach, designed with your unique concerns in mind. When you decide to take a closer look at our client services page, you will see how we can help you. Click client services below and start now.

About Us