Sigma Tax Pro offers professional tax preparation software with bank products and best-in-class technical and tax prep support. Including software for forms 1040, 1120 and 1065, Sigma has …

Sigma 1040-DR is Sigma Tax Pro’s best-selling tax preparation software and is powered by Drake Software®.

The professional tax software comparison chart lists the best tax software features to help you decide which is best for your tax preparation business.

Sigma 1040-TW is Sigma Tax Pro’s most customizable tax preparation software solution and is powered by TaxWise®.

From industry leading software solutions and technical support to business-building programs and strategies, Sigma Tax Pro provides tax preparers with a professional edge for their businesses.

Sigma 1040-SR is Sigma Tax Pro’s tax preparation software solution for high volume tax preparation firms.

Sigma Tax Pro guarantees prompt and professional responses to our clients’ inquiries. If you have basic questions about any of our software products or just have a general inquiry you can reach us via …

Find answers to your questions, including what is a bank product and do you need to use one, as well as more information on professional tax preparation software with bank products enabled.

Our staff has many years of experience using our software and preparing tax returns. They are able to answer any questions you may have when the pressure is on during tax season.

We are a team of professionals with extensive experience in the professional tax software industry. We provide professional tax preparation software solutions, premium technical support and tax …