Professional tax software and practical ERO support—brought together in one premium ecosystem for tax professionals ready to grow.
Start as a preparer working toward your own tax business, or launch your own ERO office and build a team.
For beginners starting their own tax-preparation business while preparing returns under our office.
Build your foundation with training, software access, and practical support through tax season.
The $1,500 founding price is available to the first 8 EROs. After the first 8, the program is $1,999.
Launch and manage your own tax office with co-branded software, structure, guidance, and support.
We help you choose the right program and understand what comes next.
Select software, ERO business support, or training based on where you are today.
Receive clear setup guidance, expectations, and the resources needed to begin.
Move forward with ongoing education, practical systems, and a team behind you.
AOA Pro Systems was founded by Cassandra Medrano to give tax professionals more than access to software. Her vision brings together professional tools, practical education, strong systems, and personal support—so preparers and EROs can build businesses with confidence.
Every program is shaped by real tax-office experience and a commitment to helping professionals move from uncertainty to structure, leadership, and long-term growth.
Tell us where you are in your tax career, and we’ll help you choose your next step.