Business Details
50+ Years
experience
Trusted Accounting and Tax Services in Washington, MO
At Unnerstall & Unnerstall, we combine the experience of a large firm with the personalized attention of a small practice, serving clients since 1958. Our team of certified professionals specializes in strategic tax planning, accounting services, payroll execution, and business consulting, tailored to meet individual and corporate needs. We prioritize long-term relationships, offering timely communication and technical expertise to help clients minimize tax liabilities and optimize financial outcomes.Rooted in traditional accounting principles, we adapt to modern challenges with services like on-site bookkeeping and state/local tax compliance. Our peer-reviewed quality standards and membership in the American Institute of CPAs underscore our commitment to excellence and client trust.
Services
Tax Services
Accounting Services
Payroll Services
Consulting Services
On-Site Bookkeeping
Details
- Year established: 1958
Highlights and features
- We offer decades of experience in accounting and tax services since 1958.
- Our team provides personalized service with large-firm expertise and small-firm attention.
- We specialize in strategic tax planning to minimize liabilities for individuals and businesses.
- Our peer-reviewed quality standards ensure reliable and accurate financial services.
- We offer comprehensive solutions, including payroll, consulting, and on-site bookkeeping.
Associations and certifications
- American Institute of Certified Public Accountants (AICPA)
- Missouri Society of Certified Public Accountants (MSCPA)
Services
Tax Services
We provide federal and state tax compliance, accounting method reviews, and strategic planning to minimize liabilities. Our team offers nexus consulting, sales tax determination, and estate tax planning. Clients benefit from tailored strategies that maximize savings and ensure compliance with evolving regulations.
Accounting Services
We offer compilations, reviews, and agreed-upon procedures for accurate financial statements. Our services ensure compliance with industry standards and help businesses maintain transparency. We focus on error-free reporting and regulatory adherence for third-party requirements.
Payroll Services
We manage full-service payroll for businesses of all sizes, including tax filings and supplemental services. Our solutions reduce administrative burdens, ensuring accurate and timely processing while complying with state and federal regulations.
Consulting Services
Our consulting services include financial process optimization, risk management, and business planning. We help organizations improve cash flow, regulatory compliance, and operational efficiency through data-driven strategies and expert analysis.
On-Site Bookkeeping
We provide on-site bookkeeping for platforms like QuickBooks and Sage 50. Our team ensures accurate financial records, streamlining accounting processes for businesses needing hands-on support and software expertise.
People
Tim Unnerstall
CPA
Tim has been a CPA since 1990, serving Washington, MO. He leads the firm with expertise in tax and accounting, actively contributing to community organizations like the Rotary Club and Exceptional Equestrians.
Steven G. Unnerstall
CPA
Steven joined the firm in 1991 after graduating with honors. He specializes in tax services and brings over three decades of experience in accounting and client advisory roles.
Nancy Feldmann
Office Manager
Nancy has managed office operations since 1992, overseeing customer service and accounts receivable. Her organizational skills ensure smooth day-to-day operations for the firm.
Kathy Heeger
Senior Tax Consultant
Kathy has specialized in personal, trust, and business taxes since joining the firm in 1976, providing expertise in complex tax return preparation and planning.
Jennifer Gildehaus
Corporate Tax Consultant
Jennifer focuses on corporate tax returns and on-site bookkeeping, leveraging her expertise in accounting software to streamline financial processes for business clients.
Questions
How do you bill for your services?
We bill monthly and require payment upon receipt. Accepted methods include cash, check, and money orders.
What are your off-season office hours?
Monday through Thursday: 8:30 AM - 5:00 PM; Fridays: 8:30 AM - 12:00 PM from April 17 - January 31.
What are your tax season hours?
February 1 - April 15: Monday-Thursday 8:30 AM - 7:00 PM; Fridays 8:30 AM - 3:30 PM; Saturdays 8:30 AM - 12:00 PM.
What role do you play if the IRS audits me?
We provide up to one hour of free consultation to review your return; regular fees apply beyond that.
What preparation is needed for my tax return?
We provide a tax organizer in January; new clients can access blank copies at our office for efficient filing.
