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About us

Honest | Reliable | Professional

Tosa Accounting & Tax Service has been providing quality, personalized financial guidance to individuals and small businesses throughout the Metropolitan Milwaukee area since 1985.  

Our expertise includes... 

  • Accounting, bookkeeping, payroll services and financial goal setting
    for local, family-owned small businesses

     
  • Tax preparation for individuals and small businesses

 

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Our Mission

is to act as an extension of our clients by providing a 

personal
connection and open communication in order to reach 

an understanding of their individual needs, and then focus our efforts on

helping them
achieve their financial goals

 

 

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Our Team

Randall R. Lauer

Owner / Operator

Over 20 years of experience in the tax and accounting field

Education: University of Whitewater, class of 1997
Degree: BS Accounting and Business Administration
Certifications: Licensed Wisconsin CPA since 2001

"My parents were small business owners, and as a small business owner myself, I have a unique perspective on the financial liabilities and stresses of running a business. I am here to share my passion for numbers / accounting / tax preparation so that my clients can focus on following their passion!"

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Kirsten Wilke

Nearly 20 years experience in small business accounting and tax preparation

Education: University of Winona State
Degree: BS Accounting and Business Administration
Certifications: Licensed Wisconsin CPA

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Stacy Prowse

Nearly 20 years experience in small business marketing and management

Education: Carroll University
Degree: BS Business Management with an emphasis in Marketing and BS Graphic Communication with an emphasis on Design