Start with a foundation.
Learn the preparation process, build good habits, and begin preparing under our office with the starter program.
Explore the starter program →Your next chapter starts with AOA. Explore professional tax software, practical training, and personal support for the path you want to build.

You bring the vision. Let’s find the program that fits your next step.
Learn the preparation process, build good habits, and begin preparing under our office with the starter program.
Explore the starter program →Looking for training, software access, and a team? Tell us about your experience so we can discuss preparing under AOA.
Discuss my next step →Compare a guided business launch with software only access for an established ERO with an active EFIN.
Explore ERO options →Start with training and software access, launch an ERO office with guidance, or choose software access for an established ERO.
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.
Low back-end fees. Afterpay and payment plans available.
Start or grow your own tax office with a dedicated software sublicense, structure, guidance, and support. Beginners are welcome.
You must already have an active EFIN. For EROs who need software access for their own office.
Use AOA Pro Systems software for your own office without enrolling in the full ERO business launch program.
We help you choose the right program and understand what comes next.
Choose the training program, guided ERO launch, or ERO software only option that fits your experience.
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. As a business owner, she understands the dedication it takes to turn a vision into a business. AOA stands for Access, Opportunity & Advancement—a reflection of her commitment to making professional tools, practical education, and personal guidance more accessible. Her goal is to help preparers and EROs strengthen their skills, build organized businesses, and move forward with confidence.
You do not have to have every answer on day one. Bring your willingness to learn and a commitment to doing the work. Together, we can focus on building stronger processes, serving clients well, and growing your skills one step at a time.
Explore the kinds of skills covered in AOA training. Training and mentorship are included with the starter and guided ERO launch programs; software only includes basic software onboarding.
ERO leadership topics are part of the guided launch path.
What questions would you ask? How would you help organize the available records? What needs clarification before the return moves forward?
AOA class discussions connect client conversations, documentation, and review habits so you can practice thinking through the process.
Beginners are welcome. The Tax Preparer Business Starter Program offers training and software access under our office. Tell Cassandra about your experience so we can discuss the right fit.
The starter path is for preparing under our office. ERO Software Only requires your own active EFIN. For the guided ERO launch, contact Cassandra about your current status and the setup steps that apply before you begin operating.
The guided ERO Business Launch Program includes business setup guidance, training, and mentorship. ERO Software Only is designed for EROs with an active EFIN who need software access and basic software onboarding.
Payment plans can be discussed directly with Cassandra. The ERO launch program also offers Afterpay. Confirm current availability, terms, and payment instructions before enrolling.
Program prices are shown above. Additional fees and, where applicable, preparer compensation terms are explained in your agreement. Review the complete fee schedule with Cassandra before enrolling.
Contact Cassandra to discuss remote training, onboarding, and the office arrangement for your chosen program. Confirm the schedule and requirements before enrolling.
Cassandra reviews your inquiry and contacts you to discuss your goals, program fit, requirements, and next steps. Enrollment and payment instructions follow that review.
Complete the application below to tell Cassandra about your next steps.
Applications are reviewed before enrollment and payment instructions are provided.
Start as a preparer, grow your own tax business, or build your skills through training. Tell us a little about yourself so we can help you find your next step.