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

IRS provides gift tax safe harbor for Trump account contributions

08/19/2026
The IRS just made it easier for families to fund Trump accounts without triggering an unexpected gift tax filing requirement. In Revenue Procedure 2026-25, the IRS established a safe harbor […]
Accounting News

Why homeowners need to track improvements before a sale or inheritance

08/13/2026
As home values rise, the federal home sale exclusion may no longer be enough to eliminate capital gains tax when a property is sold or inherited. The difference between a […]
Accounting News

Cash flow forecasting as a leadership tool

08/11/2026
Most business owners rely on backward-looking financials that tell them where they have been, not where they are going. A cash flow forecast fills that gap by projecting future inflows […]
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

AI Spend and the R&D Credit: What Qualifies and When

07/29/2026
Does your AI spend qualify for the R&D tax credit? Learn which costs count, how to classify them, and what documentation strengthens your position. […]
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 […]