How has McMahon & Associates, Certified Public Accountants, P.C.'s team size changed over time?

McMahon & Associates, Certified Public Accountants, P.C.'s team has decreased from approximately 25 to 22 employees based on available data.

McMahon & Associates, Certified Public Accountants, P.C. Employee Directory

Q: What is the largest department at McMahon & Associates, Certified Public Accountants, P.C.?

The largest department at McMahon & Associates, Certified Public Accountants, P.C. is Engineering with 3 employees.

AccountingIndiana, United States11-50 Employees

McMahon & Associates, Certified Public Accountants, P.C., is a locally owned accounting firm based in Munster, Indiana. It offers a broad suite of services, from advanced tax work to bookkeeping and payroll, supported by IRS Enrolled Agent credentials. The firm combines the resources expected of larger firms with the personal attention typical of smaller practices.

The firm serves clients across Northwest Indiana and Chicago’s south suburbs, working with both new entrepreneurs and established multi-state businesses. Having operated for more than four decades, it maintains a long-standing local presence and focuses on supporting clients’ financial performance through comprehensive accounting and tax services.

McMahon & Associates, Certified Public Accountants, P.C. Global Highlights

North America
72

United States Of America
72

Oceania
1

Australia
1

McMahon & Associates, Certified Public Accountants, P.C.'s Leadership

C. A.
Vice President And General Manager - Exton
Mobile Phone
Email
N. S.
President
Mobile Phone
Email
A. L.
Owner
Mobile Phone
Email
D. D.
Associate Director Of Admissions
Mobile Phone
Email
A. K.
Service Leader
Mobile Phone
Email
G. R.
Regional Service Leader - Transit
Mobile Phone
Email
Q. S.
Project Manager
Mobile Phone
Email
D. C.
Senior Project Engineer
Mobile Phone
Email

McMahon & Associates, Certified Public Accountants, P.C. Employee Metrics

100%

50%

0%

2026

2025

Accounting
Administrative
Analytics
Arts & Design
Banking
Other

Contact profiles from McMahon & Associates, Certified Public Accountants, P.C.

Name

Title

Contact Info

Location

Last Update

A. L.
Owner
Mobile Phone
Email
Oct 22, 2024
N. S.
President
Mobile Phone
Email
Oct 16, 2024
C. A.
Vice President And General Manager - Exton
Mobile Phone
Email
Oct 23, 2024
D. D.
Associate Director Of Admissions
Mobile Phone
Email
Oct 18, 2024
A. K.
Service Leader
Mobile Phone
Email
Oct 22, 2024
G. R.
Regional Service Leader - Transit
Mobile Phone
Email
Oct 16, 2024
Q. S.
Project Manager
Mobile Phone
Email
Oct 23, 2024
D. C.
Senior Project Engineer
Mobile Phone
Email
Oct 16, 2024
J. H.
Staff Accountant
Mobile Phone
Email
Oct 23, 2024
R. G.
Senior Transportation Planner Iii
Mobile Phone
Email
Oct 17, 2024

Frequently Asked Questions

What is McMahon & Associates, Certified Public Accountants, P.C. known for?

McMahon & Associates, Certified Public Accountants, P.C. was founded in 1971 operates in the Accounting industry; you can contact the main corporate office by phone at

+1-219-924-****

. Explore McMahon & Associates, Certified Public Accountants, P.C.'s company overview page for more information.

What is McMahon & Associates, Certified Public Accountants, P.C.'s most common email format?

McMahon & Associates, Certified Public Accountants, P.C. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more McMahon & Associates, Certified Public Accountants, P.C. email formats with LeadIQ.

How many employees does McMahon & Associates, Certified Public Accountants, P.C. have currently?

McMahon & Associates, Certified Public Accountants, P.C. has approximately 30 employees as of August 2026. These team members are located across 2 continents, including North AmericaOceania.

Who are McMahon & Associates, Certified Public Accountants, P.C.'s key employees and leadership?

As of August 2026, McMahon & Associates, Certified Public Accountants, P.C.'s key employees include:

Vice President And General Manager - Exton: C. A.
President: N. S.
Owner: A. L.
Associate Director Of Admissions: D. D.
Service Leader: A. K.

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McMahon & Associates, Certified Public Accountants, P.C. Employee Directory

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