# Addsuminc

> Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed September 18, 2026.

> Addsum Business Software, Inc. publishes and supports Advanced Accounting, a desktop accounting software offering a complete financial application with a point of sale module, and TAS Premier, a developer software for business and accounting computer software programming. They provide solutions with a one-time purchase model, emphasizing data control and non-outsourced support.

- Business Profile: https://optimly.ai/brand/addsuminc
- Publisher: Optimly (https://optimly.ai)
- Dataset: Optimly AI Brand Index (https://optimly.ai/brand)
- Official website: https://addsuminc.com/
- Logo: https://logo.clearbit.com/addsuminc.com
- Slug: addsuminc
- Brand Authority Index tier: Contender
- Category: Desktop Accounting Software
- Last Analyzed: September 18, 2026