We provide tax, accounting, and business services to individuals and businesses
bringing clear customized solutions.

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    We provide high-quality professional tax and business advice, while applying our practical, relationship-oriented approach. We offer the personal attention of a small firm with the expertise of a large firm. 

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We are excited for you to be part of this positive change and look forward to continuing our partnership!

The Porter & Sack, CPAs team will remain located at our Madison location and will continue as your main point of contact. Joining forces with Lucida will help us further address the challenges in our industry and allow us to continue to provide the best service for our clients and best working environment for our staff. While our name has changed, our team, core values and unwavering commitment to client success remain the same. We believe that this change will enhance the value of our tax and accounting services.


Lucida, meaning the “brightest star in the constellation”, represents the guiding principle behind our firm’s mission. At Lucida, we are committed to illuminating financial possibilities and empowering our clients through exceptional accounting services. With expertise, integrity, and a client-centric approach, we aim to provide clarity, transparency and peace of mind in navigating the complexities of financial management.