Addsum Business Software, Inc

We publish Advanced Accounting 8 and 9 (previously Advanced Accounting 7i and 6.1) and TAS Premier 7i developer software, and we support and develop updates relating to these two primary products plus all legacy versions published by Business Tools, Inc. We also provide custom programming services using these products normally as a platform. And, we provide consulting/web/design services related to the above and in the areas of our technology, business management, and accounting expertise. Our flagship product, Advanced Accounting 7i has been periodically reviewed by CPA Practice Advisor (formerly CPA Technology Advisor and CPA Software News) for many years including in 2004 (the 6.1 version), 2006, 2007, 2009, 2010, 2011, 2013, 2014, 2016 thru 2019.