Photo of Mark  McClughen

Mark McClughen

TEL: 312-726-8353FAX: 312-726-2657

Mark McClughen is an Audit Manager with Shepard Schwartz & Harris LLP. He has significant experience in the areas of accounting and assurance serving a diverse client base with a focus in the real estate & construction, manufacturing & distribution, and not-for-profit sectors (including private yacht and country clubs). Mark provides a variety of services, including:

  • Overseeing financial statement audits, reviews, and compilations.
  • Reviewing tax returns for organizations exempt from income tax.
  • Performing agreed-upon procedures.
  • Evaluating IT environments and IT general controls as it relates to internal controls over financial reporting systems.
  • Evaluating and providing recommendations on clients’ internal controls over financial reporting systems.
  • Advising clients on potential accounting and auditing issues affecting business operations and not-for-profit organizations.

Mark focuses on building client relationships, providing quality service, improving audit efficiency, and ensuring overall successful completion of audits and other assurance engagements in a timely manner.  In his role as the Manager on several of the firm’s not-for-profit client engagements, Mark is responsible for monitoring accounting standards updates and other changes within the not-for-profit accounting and assurance area.

Mark started with SS&H in 2012 as a staff accountant, relocated to Florida in 2015 while working for a top twenty public accounting firm, and returned to SS&H in 2020. He and his wife live in Chicago’s Streeterville neighborhood where they enjoy spending their free time running and cycling on the lake front path, traveling, and spending time with family.

Professional Activity

  • American Institute of CPAs
  • Illinois CPA Society


  • Certified Public Accountant (IL, FL)
  • Certified Information Technology Professional


B.S., Financial Accounting, Illinois State University