Sigma Tax Pro

Sigma Tax Pro serves professional Tax Preparers, Accountants, and CPAs with industry-leading software solutions. Our unparalleled customer service goes above and beyond, providing amazing technical support as well as business-building support to help you grow your business. We do things a little differently than the rest of the industry. We’re not just out to sell software. For us at Sigma Tax Pro, it’s really about building the relationship with our customers.