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St. Louis

Get results that transform from a top accounting and business consulting firm

As needs arise in an ever-changing business environment, you need the resources of a firm with a broad array of resources.

At Wipfli, a top 20 national firm, we’re proud to give our clients the value and experience of a diverse firm that specializes in a wide range of services and industries.

With assurance, accounting, tax and consulting services customized to your needs, Wipfli helps you overcome challenges, achieve your goals and plan for future success.

St. Louis

7733 Forsyth Blvd.
Suite 1200
Clayton, MO

Phone: 314.862.2070
Fax: 314.862.1549

Specialized services in the St. Louis area

Our associates focus on specific areas to be able to provide in-depth knowledge and industry-specific solutions. Some of the industries our St. Louis accountants and business consultants specialize in include healthcare, manufacturing and distribution, nonprofit, real estate and construction.

Our St. Louis office also offers many specialized services for businesses and individuals, including tax services, audit and assurance, R&D tax credit services, cost segregation studies, 401k audits, transaction advisory and business valuation services.

Learn more about Wipfli here.

Our St. Louis, Missouri office, formerly Mueller Prost, joined Wipfli effective June 1, 2021 to provide their clients with expanded capabilities, additional cutting-edge services and more technology consulting.


Our Missouri offices have been recognized for the following:

  • Accounting Today Regional Leaders – Top 100 Firms: Midwest 2020, 2021
  • Inside Public Accounting Top 200 & Top 200 Fastest Growing Firms, 2018-2020
  • St. Louis Post Dispatch, Best Places to Work, 2021
  • St. Louis Business Journal Best Places to Work, 2016-2020
  • St. Louis Business Journal, Largest Accounting Firms List, 2015-2020
  • Small Business Monthly in St. Louis Best Accounting Firm 2015-2022
  • St. Louis Business Journal, St. Louis’ biggest corporate philanthropists – midsize, 2020
  • St. Louis Business Journal, Who’s Who in Law and Accounting 2015

Community involvement

We are invested in the communities where we work and live, and are involved with the following organizations:

  • Alzheimer’s Association
  • Cystic Fibrosis Foundation
  • American Heart Association
  • American Foundation for Suicide Prevention
  • Junior Achievement of Greater St. Louis
  • Boys & Girls Clubs of America
  • Children’s Hospital, St. Louis
  • Ronald McDonald House Charities
  • College Bound
  • St. Jude Children’s Research Hospital
  • LeadingAge Missouri
  • Missouri Healthcare Association
  • Missouri Alliance for Home Care
  • Associated General Contractors – Missouri Chapter
  • Construction Forum St. Louis
  • Home Builders Association of St. Louis and Eastern Missouri
  • Commercial Real Estate Women St. Louis
  • Construction Financial Management Association St. Louis
  • Building Owners and Managers Association of Metropolitan St. Louis
  • Association for Corporate Growth St. Louis
  • Missouri Chamber of Commerce and Industry
  • Missouri Association of Manufacturers
  • Missouri Restaurant Association 

Partners, principals and associates

Crystal Brucato
Crystal A. Brucato
Manager, Healthcare
Stacy Campbell
Stacy Campbell, CPA
Eric Castellano
Eric Castellano, CPA
Senior Manager
MaryPat Davitz
MaryPat Davitz, CPA, CITP
Michael Devereux
Mike Devereux, CPA, CMP
John Ferrara
John Ferrara
Michael Goff
Michael Goff, CPA
Senior Manager, Tax
Jason Grunlund
Jason Grunlund, CPA
Adam Herman
Adam J. Herman, CPA/ABV/CFF, CVA, ASA, CFE
St. Louis Market Leader
Joel Hundelt
Joel Hundelt, CPA
Doug Kolker
Doug Kolker, CPA
Tiffany Kuntemeier
Tiffany Kuntemeier, CPA, CSEP
Sandy McCluskey
Sandy McCluskey
Doug Mueller
Doug Mueller, CPA
Karyn Nunn
Karyn Nunn, CPA
Claren O’Bannon
Claren O’Bannon, CPA/ABV/CFF, CVA, ASA
Tim O'Neill
Tim O’Neill, CPA
Senior Manager
Mike Prost
Michael Prost, CPA/ABV/CFF, CVA, ASA
Teri Samples
Teri Samples, CPA
Michele Smith
Michele Smith, CPA
Christina Solomon
Christina Solomon, CPA, CFF, CFE
Roy Tegenkamp
Roy Tegenkamp, CMI
Senior Manager
Natalie Tocco
Natalie Tocco, CPA
Chris Volz
Christopher Volz, CPA/ABV/CFF, ASA
From curiosity to clarity to results. That's Wipfli.

Our clients rely on us because we see their success the same way they do: As a continual process. We know that business is fluid and results aren’t an endpoint; they’re waypoints on a trajectory toward success.