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 business and the individual.

41 years

Of Service

4 Offices

In Southern Wisconsin

Over 75

Employees

Johnson Block & Company, Inc. 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 been providing professional services to our clients for more than 41 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

Paper Tax Checks Are Ending: How New IRS Electronic Payment Rules Affect You

02/18/2026
A new federal requirement will eliminate most paper checks for tax payments and refunds starting with 2025 returns. Here’s what this transition to electronic payments means, how refunds will be […]
Accounting News

Understanding the IRS’s new deduction for qualified overtime compensation

02/11/2026
The IRS has introduced a new federal income tax deduction for qualified overtime compensation, effective for tax years 2025 through 2028. Eligible workers can deduct up to $12,500 (or $25,000 […]
Accounting News

S-corporations 101: FAQs for business owners

02/4/2026
S-corporations are one of the most frequently discussed (but often misunderstood) tax structures for small business owners. While they can offer real savings on self-employment taxes, the benefits aren’t automatic […]
Accounting News

Understanding the OBBBA car loan interest deduction

02/2/2026
Car loan interest deduction, OBBBA and IRS proposed rules—learn who qualifies, income limits, vehicle requirements and what it means for taxpayers. […]
Accounting News

Restored 100% bonus depreciation: IRS interim guidance helps clarify OBBBA rules

01/27/2026
RSM US outlines IRS guidance in Notice 2026-11 on restored 100% bonus depreciation and key timing and eligibility rules. […]
Accounting News

IRS clarifies 100% first-year bonus depreciation rules

01/27/2026
The IRS recently issued new guidance clarifying how the permanent 100% bonus depreciation deduction will work moving forward. This allows businesses to fully deduct the cost of qualified property in […]