Accounting SolutionsFor the Modern Professional

Technology ConsultingFor Every Business

Work Where You MatterCareers at JBC

We provide trusted accounting guidance built on long-term relationships, helping individuals and businesses make confident decisions for today and the future.

Specializing in virtualization, mobile and cloud solutions.

With multiple locations across Wisconsin, Johnson Block offers meaningful work, supportive teams, and opportunities to grow.

Johnson Block is Wisconsin's Certified Public Accountants with a leading edge in audit, tax, client accounting services, municipal accounting services and technology services for businesses and individuals.

42 years

Of Service

4 Offices

In Southern Wisconsin

Over 75

Employees

Johnson Block started in 1985 with the first office in Madison, followed by the addition of the Mineral Point office in 1990, the Viroqua office in 2012, and the La Crosse office in 2016. We have provided professional services to our clients for more than 42 years. The firm’s philosophy emphasizes direct personal service from experienced professionals. We strive to learn first‑hand about each client’s operations and directly share our experience and knowledge. Our goal is to maintain long-term professional relationships between our clients and our staff. This assures our clients have access to professionals who are familiar with their operations and intricacies.

Business
Technology Services

Navigating the quickly changing world of technology can be difficult. Allow our Technology Service team to help you understand technology and make informed decisions. We offer advisory, purchasing, and implementation services. 

Industry Highlights

Accounting News

Tax mistakes new business owners make in their first profitable year

08/5/2026
Your first profitable year in business is worth celebrating. But it can also bring expensive tax surprises, especially if you’re still managing the business like you did when revenue was […]
Accounting News

State tax nexus in 2026: what business owners need to know about unexpected tax obligations

07/29/2026
If your business sells online, has remote employees, or uses third-party fulfillment, you may owe taxes in states where you’ve never filed a return. Learn how physical presence and economic […]
Accounting News

Transfer pricing and related entities: what business owners need to know

07/21/2026

If you own or control more than one business entity, you likely move money, goods, or services between them on a regular basis. Maybe your holding company charges a management […]

Accounting News

When and why every business owner needs a business valuation

07/15/2026

Most business owners have a rough number in their heads of what they think the business is worth. That number is usually based on some combination of what a competitor […]

Accounting News

When a Rental Loss Isn’t a Tax Deduction: Passive Activity Rules and the Real Estate Professional Exception

07/10/2026

Authored by Aprio One may think that a loss generated by rental real estate will offset other income, but for most real estate investors that is not the case. Whether […]

Accounting News

Hiring family members in your small business: tax advantages and mistakes to avoid

07/7/2026

You may already know that hiring a family member in your small business can create tax advantages. In the right situation, the arrangement can support a business deduction, shift income […]