Business Details
29 Years
experience
Your Trusted Accounting Partner in Madison, WI
Founded in 1997, Porter & Sack CPAs has built a reputation for delivering high-quality tax, accounting, and business consulting services tailored to individuals and businesses across diverse industries. Our team of certified professionals combines the personalized attention of a small firm with the technical expertise of a large firm, ensuring clients receive customized solutions aligned with their unique goals. With a focus on long-term client relationships, we provide tax planning, business advisory, QuickBooks training, and comprehensive accounting services, supported by continuous education to stay ahead of evolving industry standards.Our merger with Lucida enhances our ability to offer innovative financial guidance while maintaining our core values of integrity and client-centric service. Recognized for community leadership through partnerships with organizations like United Way and the National MS Society, we remain committed to empowering clients through clarity, transparency, and a deep understanding of their financial needs.
Services
Tax Consulting
Business Advisory
QuickBooks Training
Accounting Services
Tax Representation
Details
- Year established: 1997
Highlights and features
- We offer personalized tax and accounting services tailored to your unique needs
- Our team includes CPAs with decades of combined industry experience
- Specialized QuickBooks training and support for small businesses
- Active community involvement through partnerships with local organizations
- Merged with Lucida to provide enhanced financial innovation and resources
Associations and certifications
- QuickBooks ProAdvisor
Services
Tax Consulting
Our tax consulting services help individuals and businesses navigate complex tax regulations while optimizing financial outcomes. We provide strategic planning, return preparation, and representation for IRS and state tax matters. With expertise in multiple industries, we ensure compliance while identifying opportunities for tax savings and long-term financial growth.
Business Advisory
We offer comprehensive business advisory services covering entity selection, succession planning, and operational strategy. Our team helps clients with business growth planning, merger/acquisition guidance, and financial management solutions tailored to their specific industry requirements and long-term objectives.
QuickBooks Training
As certified QuickBooks ProAdvisors, we provide customized training and implementation services. Our experts help businesses set up accounting systems, train staff on efficient software use, and offer ongoing support to improve financial management and reporting capabilities.
Accounting Services
We deliver full-service accounting solutions including bookkeeping, financial statement preparation, and payroll processing. Our services help businesses maintain accurate records, meet compliance requirements, and make informed financial decisions through detailed reporting and analysis.
Tax Representation
Our tax representation services include IRS and state tax audit support, dispute resolution, and compliance guidance. We advocate for clients during tax examinations and work to resolve back tax liabilities while ensuring proper documentation and legal compliance.
People
Janet Hartung Renfert
Managing Shareholder
CPA with exceptional attention to detail who ensures top-quality service for all clients. Actively involved in client education and office operations while balancing family life with two active sons.
Justin Johnson
Shareholder
CPA known for positive office atmosphere and dedicated client service. Active in local sports leagues while maintaining technical excellence in accounting services for diverse clients.
Mark D. Krebsbach
Shareholder
Longest-tenured CPA at the firm with expertise in explaining complex financial concepts. Builds strong client relationships while enjoying family time with his children's artwork in his office.
Karen Prochaska
Shareholder
CPA with practical approach to client challenges. Combines technical knowledge with personal guidance while enjoying country living and baking in her free time.
Erich Palecek
Shareholder
CPA with competitive spirit and strong sports background. Provides expert accounting services while balancing family life with his wife and daughter in Wisconsin.
Questions
What accounting services do you offer?
We provide financial statement preparation, bookkeeping, payroll processing, and outsourced accounting services tailored to your business needs.
How does your QuickBooks training work?
We offer personalized one-on-one training sessions and group seminars to help businesses maximize QuickBooks efficiency for their specific operations.
What tax services do you specialize in?
We handle individual and business tax return preparation, tax planning, estate planning, IRS representation, and state/local tax compliance.
What industries do you serve?
We work with clients in professional services, retail, real estate, construction, manufacturing, restaurants, and nonprofit organizations.
What changed after merging with Lucida?
Our team and core values remain the same, but the merger enhances our resources and technological capabilities to better serve clients.
