Tax Services

Comprehensive tax services for businesses, individuals, nonprofit organizations, trust and estates by combining proactive planning, accurate and complete compliance, and strategic guidance to minimize liabilities and drive financial growth.

Experienced CPA Firm for IRS & Tax Support

With offices in Madison, Mineral Point, La Crosse, and Viroqua, Johnson Block serves individuals, businesses, non-profit organizations, trusts and estates throughout these communities and beyond. Our team has local insight and extensive expertise to support clients with tax planning and preparation, as well as provide year-round guidance tailored to your goals and compliance requirements.

Tax Services

Tax Planning

Planning is the key to successfully and legally reducing your tax liability. We go beyond tax compliance and proactively recommend tax saving strategies to maximize your after-tax income.

Tax Preparation

Ensures accuracy, maintains full compliance with ever-changing tax laws, and identifies opportunities to minimize your tax liability.

Non-Profit Federal & State Tax Returns

Maintaining federal and state tax-exempt status requires properly filing annual informational returns with the IRS. Non-profits also need to track mission-related revenue, manage payroll taxes for employees, and address any tax obligations on income generated from activities outside their primary purpose.

Tax Audit Representation

Handles communication, prepares documentation, and represents you directly with tax authorities. Our goal is to resolve issues efficiently, protect your interests, and minimize stress.

Divorce Financial Planning

Evaluate and structure the division of assets, liabilities, and financial responsibilities during divorce. Our goal is to support fair, tax-efficient settlements that consider both immediate needs and long-term financial stability.

Collaborate With Us

Connect with Johnson Block today to learn more about how we can assist you with our various tax services.

Divorce and your tax return: what the settlement may not resolve

10/14/2026
A divorce settlement divides assets and establishes legal rights, but it does not resolve every tax question that follows. Filing status, child-related benefits, property basis, […]

Accounting News

Compensation, conflicts, and related parties: what your nonprofit needs to know

10/7/2026
Nonprofit boards regularly decide on compensation, vendors, and relationships with affiliated organizations. But when someone with influence stands to benefit, those decisions deserve a closer […]

Accounting News

Security, Privacy, and AI Compliance Moving Into 2027: What Tech Leaders Need to Know

10/7/2026
Some new cybersecurity, privacy, and AI rules already apply. Here’s what tech leaders need to know about key deadlines, AI governance, and ISO 42001. […]

Accounting News

Q4 tax planning: what needs to happen, and when?

09/30/2026
Q4 tax planning is not a single deadline; it’s a series of decisions that each have their own timing. Some strategies require lead time to […]

Accounting News

The IRS has a new mobile app. Here’s what taxpayers can do with it.

09/30/2026
The IRS has launched a new mobile app that replaces IRS2Go, giving taxpayers quick access to refund status, payment history, tax records, IRS notices, and […]

Accounting News

Fraud prevention strategies for nonprofit organizations

09/23/2026
Nonprofits are disproportionately vulnerable to occupational fraud due to small administrative teams, part-time board oversight, and heavy reliance on cash-based transactions. Asset misappropriation schemes such […]

Accounting News

From the Blog