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McMahon & Associates Certified Public Accountants, P.C.


10010 Calumet Avenue
Munster, IN 46321
Fax: 219-924-1640
Last Updated: September 25, 2017




About McMahon & Associates Certified Public Accountants, P.C.

McMahon & Associates Certified Public Accountants, P.C. proudly has served the community since 1971 by enabling local businesses to grow. Locally owned and operated, we have been heralded as Northwest Indiana's No. 1 CPA firm for seven consecutive years by the Best of Northwest Indiana Business.

We are your partner for growth! For more than 40 years, clients from Northwest Indiana and Chicago’s South Suburbs have trusted locally-owned McMahon & Associates CPAs to help them grow their business and become more profitable. Why? Because we offer a unique blend of big firm services and small firm caring.

From advanced technical tax expertise, including IRS Enrolled Agent designation, to basic bookkeeping and payroll services, clients find the services they need for every stage of business… and every stage of life. Whether you are a new entrepreneur or an established multi-state business owner, our dedicated professionals can help your bottom line. At McMahon & Associates your success is always our goal.

Stop by and visit us today at 10010 Calumet Avenue in Munster. You can also call us at 219-924-3450 or fax us at 219-924-1640. You can even visit us on our website at, or email us at

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Focus on what you do best – running your business – and let us handle all your accounting and tax needs. As a local leader for over 40 years, McMahon & Associates has helped a wide and diverse range of businesses maximize their profits and minimize their taxes. We have the talent, expertise, and experience to fulfill roles from bookkeeper to CFO.

McMahon & Associates has experienced bookkeepers that can assist you in maintaining your company’s books and records. From monthly bookkeeping to year-end adjustments, our office can help you keep your books organized and assist you in making the important business decisions. Your success is our goal.

Our menu of service offerings can be provided on a monthly, quarterly, or annual basis, depending on your needs.

The following are just some of the services we can perform for you:

☼ Bookkeeping Services
☼ Check Writing (Weekly, Monthly, Quarterly, Annually)
☼ Bank Reconciliations
☼ QuickBooks Assistance
☼ Preparation of Amortization Schedules
☼ Depreciation Tracking of Equipment, Furniture, Vehicles, Buildings, and Improvements
☼ Sales Tax Return Preparation
☼ Payroll Check Processing
☼ Payroll Tax Reporting including W-2 Forms


McMahon & Associates currently provides accounting services for the following industries:

☼ Condo/Homeowner Associations
☼ Construction
☼ Consulting
☼ Funeral Homes
☼ Insurance
☼ Law Firms
☼ Medical Practices & Clinics
☼ Manufacturing
☼ Not-for-Profit Organizations
☼ Petroleum Industry and Service
☼ Professional Services Industries
☼ Real Estate
☼ Restaurants & Bars
☼ Retail
☼ Schools & Educational Facilities
☼ Specialized Service Providor
☼ Townships & Municipalities
☼ Veterinary Clinics


Our other vast array of professional and personal services include:

* Individual Planning and Taxation
* Business Planning and Taxation
* Consulting
* Estate, Trust, and Gift Taxation
* Payroll
* Business Valuation
* Assurance

From the moment you walk in our front door, you will notice that we have a distinctly different atmosphere - friendly and caring. In addition, we pride ourselves on staying abreast of current tax laws and accounting techniques by regularly attending regional and national training seminars and classes. You can expect that our advice reflects today’s tax and business climate.

You can also expect timeliness, accuracy, confidentiality, and superior customer service every time. Whatever your accounting needs may be, you will always enjoy hands-on service by dedicated professionals, who are committed to your personal and professional success.


Your Partner For Growth

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  • Accepts:
  • American Express
  • Cash
  • Check
  • MasterCard
  • Visa



This can be a complex endeavor filled with seemingly endless questions.  Leave it to the experts at McMahon & Associates to be your resour…




McMahon & Associates Certified Public Accountants, P.C. proudly has served the community since 1971 by enabling local businesses to grow. …

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