An Accounting and Tax Preparation Firm

Serving Clients Throughout Northwest Wisconsin


335 E. LaSalle Avenue
Barron, WI 54812
Phone: 715-537-5929


1225 2nd Avenue 
Cumberland, WI 54829
Phone: 715-822-8287

Rice Lake:

1203 W. Knapp Street
Rice Lake, WI 54868
Phone: 715-234-2440

Who We Are

Welcome to Johnson, Agen, Kupferschmidt & Associates, Inc.

Johnson, Agen, Kupferschmidt & Associates is an accounting and tax preparation firm serving clients throughout northwest Wisconsin. Formally Johnson Accounting and Tax Service, we have offices located in Cumberland, Barron and Rice Lake Wisconsin.

  • Business Services Customized to YOUR Business and Personal Needs
  • Enrolled to Practice Before the Internal Revenue Service
  • Electronic Filing of Federal and State Returns
  • All Tax Preparers Required to Maintain Continuing Education
  • Competitively Priced
  • References Available Upon Request

Office Hours

Regular Season Hours

Monday - Thurs 8:00am - 4:30pm
Fridays 8:00am - 12:00pm
Closed Saturday 

Tax Season Hours

Mid January - Mid April
Monday - Friday 8:00am - 6:00pm
Saturdays from 8:00am - 12:00pm

Accounting Services

Provide us with your monthly check register, bank statement and sales information.

Tax Services

We are available throughout the year to assist with your tax questions. Tax Planning and Consultation available monthly, quarterly or annually.

Payroll Services

Check Preparation, Direct Deposit, Federal Deposits, State Deposits, WI “My Tax Account” Reporting, Quarterly Reporting and more.


Our firm was established in March of 1984 by Gerald “Joe” Johnson, EA in Barron, Wisconsin.

Currently Johnson, Agen, Kupferschmidt & Associates employs accountants/tax preparers, payroll administrators, administrative assistants and seasonal support staff members.

News & Tax Tips

Our Clients Are Like Family

Take a few minutes and give some attention to a few small tax chores.

It will make your life a lot easier when it comes time to do next year’s taxes.


Our Mission

Our mission is to provide customized services in the areas of accounting, payroll, consulting and tax preparation.

We aim in meeting the needs of the client’s financial requests with a high level of accuracy, timeliness, and confidentiality. Johnson, Agen, Kupferschmidt & Associates have demonstrated professional excellence by meeting educational and work field experience through continuing education and licensing requirements for Enrolled Agents.