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42 Years
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Trusted Accounting and Tax Services in Northwest Wisconsin
Established in 1984, Johnson Agency Kupferschmidt is a trusted accounting and tax preparation firm serving clients across northwest Wisconsin. With offices in Barron, Cumberland, and Rice Lake, our team of Enrolled Agents and certified professionals delivers customized solutions for accounting, payroll, tax planning, and compliance. We prioritize accuracy, timeliness, and confidentiality, adhering to rigorous continuing education standards to maintain expertise in evolving tax regulations.

Our firms legacy of excellence began with Gerald Joe Johnson and has grown through strategic partnerships, ensuring personalized service for individuals and businesses. We specialize in federal and state tax preparation, QuickBooks consulting, and year-round payroll management, supporting clients with IRS representation and financial strategy. By combining technical proficiency with a client-centric approach, we empower businesses and individuals to achieve financial clarity and compliance.
Services
Accounting Services Tax Preparation Payroll Services QuickBooks Consulting Tax Planning
Details
  • Year established: 1984
Highlights and features
  • We are Enrolled Agents with specialized expertise in tax law and IRS compliance.
  • Our firm has served northwest Wisconsin since 1984, offering deep local market knowledge.
  • Competitively priced services tailored to individual and business financial needs.
  • Year-round availability for tax planning and consultation, not just seasonal support.
  • Certified professionals maintain rigorous continuing education standards for up-to-date expertise.
Associations and certifications
  • Internal Revenue Service (IRS)
  • Enrolled Agents
Services
Accounting Services
Our accounting services include monthly bank reconciliations, financial statement preparation, sales tax reporting, and accounts receivable/payable management. We ensure accurate financial records for informed business decisions. Clients receive personalized support to maintain compliance and operational efficiency.
Tax Preparation
We prepare federal and state tax returns for individuals, businesses, farms, trusts, and nonprofits. Services include tax planning, IRS audit representation, and quarterly estimated tax calculations. Our Enrolled Agents ensure compliance with evolving tax codes and maximize eligible deductions.
Payroll Services
Full-service payroll includes direct deposit, federal/state tax filings, W-2/W-4 processing, and quarterly reporting. We handle payroll registers, new hire submissions, and compliance with Wisconsin My Tax Account requirements, ensuring timely and accurate employee payments.
QuickBooks Consulting
We offer QuickBooks setup, training, and troubleshooting for small businesses. Services include chart of accounts optimization, transaction reconciliation, and customized reporting. Our experts streamline financial workflows to improve accuracy and efficiency for business owners.
Tax Planning
Year-round tax planning services help clients minimize liabilities through strategic deductions, retirement contributions, and entity structuring. We provide monthly, quarterly, or annual consultations to align tax strategies with long-term financial goals and regulatory changes.
People
Brenda Kupferschmidt
Partner, EA
Brenda Kupferschmidt, a partner since 2001, specializes in tax preparation and compliance. With over 30 years of experience, she serves clients across three Wisconsin locations, combining technical expertise with personalized service.
Susan Reynolds
Partner, EA
Susan Reynolds, a partner since 2008, focuses on business tax strategy and payroll services. Her 20+ years in accounting emphasize client education and regulatory compliance, serving Barron and Rice Lake communities.
Deanna Snow
Accountant/Tax Preparer
Deanna Snow, with 24 years of experience, provides tax and accounting services in Cumberland. Her expertise includes small business returns and community theater involvement, reflecting local engagement and financial proficiency.
Sandy Harelstad
Accountant/Tax Preparer
Sandy Harelstad, a tax professional since 2006, serves clients with a focus on individual returns and retirement planning. Her hobbies include travel and obstacle course racing, mirroring her problem-solving approach to tax challenges.
Crystal Otto
Accountant/Tax Preparer
Crystal Otto specializes in individual and fiduciary tax returns. With a decade of experience, she combines technical skill with a passion for logic puzzles, ensuring meticulous attention to detail in every clients financial strategy.
Questions
What accounting services do you offer for small businesses?
We provide monthly reconciliations, financial statements, accounts receivable/payable management, and sales tax reporting tailored to small business needs.
Do you handle both individual and business tax returns?
Yes, we prepare federal and state returns for individuals, farms, partnerships, LLCs, corporations, trusts, and nonprofit organizations.
Can you assist with payroll tax filings and reporting?
We manage full payroll services including direct deposit, federal/state deposits, quarterly reports, and Wisconsin My Tax Account compliance.
Are you available for tax questions outside of tax season?
Yes, our team offers year-round tax consultation, audit representation, and planning services to address ongoing client needs.
Do you provide QuickBooks support for business owners?
We offer QuickBooks setup, training, and troubleshooting to streamline accounting processes for small businesses and self-employed individuals.