The market for ABA therapy services in Miami-Dade County has grown substantially over the past decade. Families navigating a new autism diagnosis now encounter dozens of providers — national chains, local practices, clinic-based programs, in-home providers, and telehealth-only services. The credential requirements for operating an ABA agency are minimal, which means the quality variation across providers is significant.
Making the right choice matters beyond convenience. Research consistently shows that the quality of the BCBA supervising a child's program — their caseload, their supervision practices, their clinical training, and their involvement with the family — is the primary determinant of treatment outcomes. A child receiving mediocre ABA loses developmental time that cannot be recovered. A child receiving high-quality ABA during the critical early intervention window can make gains that fundamentally change their trajectory.
This guide gives you the specific questions and criteria that distinguish a high-quality ABA program from an average one. It is designed to make your evaluation calls and intake meetings more productive, so you can make a confident decision faster.
Verify credentials before anything else
The BCBA credential — Board Certified Behavior Analyst — is issued by the Behavior Analyst Certification Board (BACB) and requires a master's degree in behavior analysis or a related field, 2,000 supervised fieldwork hours, and a passing score on a national certification exam. You can verify any individual's BCBA certification, supervision history, and disciplinary record at the BACB's public registry at bacb.com. Do this before your first phone call.
The RBT credential — Registered Behavior Technician — is issued by the same organization and requires 40 hours of training, a competency assessment, and passage of a national exam. RBTs deliver the direct therapy your child receives in every session. A quality agency employs only certified RBTs, not uncredentialed "behavior technicians" or "ABA aides" who lack verified training.
Ask specifically: Is the person who will supervise my child's program a BCBA or a BCaBA? A BCaBA (Board Certified Assistant Behavior Analyst) holds a bachelor's-level credential and must be supervised by a BCBA. While BCaBAs can provide valuable services, a child's program should have a BCBA as the clinical lead, not a BCaBA operating without adequate BCBA oversight. Confirm the supervisory chain explicitly.
Caseload size is the number that matters most
A BCBA's caseload — the number of active clients they supervise — directly determines how much clinical attention your child receives. A BCBA managing 10 clients can spend twice as much time reviewing your child's data, observing sessions, training their RBT, and meeting with your family compared to a BCBA managing 20 clients. The BACB provides ethical guidance on caseload limits but does not mandate a specific number, which means caseloads vary dramatically across agencies.
Industry standard for quality practice is a maximum of 10 to 12 active clients per BCBA. National chain providers frequently assign BCBAs caseloads of 15 to 20 or more clients, which mathematically constrains the supervision and family contact each child can receive. Ask this question directly in your intake call: how many active clients does the BCBA who would supervise my child currently manage?
If the answer is more than 12, or if the agency is unable or unwilling to provide a specific number, that is actionable information. It does not mean you cannot receive good services there — but it means you need to probe harder on supervision hours and family contact frequency to assess whether the caseload load is being managed responsibly.
Assessment: the foundation of clinical quality
A high-quality ABA program begins with a comprehensive, individualized assessment — not a generic intake form and a cookie-cutter treatment plan. The assessment should be conducted by the BCBA who will supervise the program, should involve direct observation of your child in natural settings, and should use validated assessment tools appropriate to your child's age and presentation.
Standard validated tools include the VB-MAPP (Verbal Behavior Milestones Assessment and Placement Program) for younger children with language delays, the ABLLS-R (Assessment of Basic Language and Learning Skills — Revised) for children at early learning stages, the AFLS (Assessment of Functional Living Skills) for adaptive behavior, and the PEAK (Promoting the Emergence of Advanced Knowledge) for more advanced learners. For children with significant challenging behavior, a formal Functional Behavior Assessment (FBA) should be conducted before a behavior intervention plan is written. Ask which tools the agency uses and why.
Red flags in the assessment process include agencies that schedule therapy start dates before the assessment has been completed, agencies that propose identical goals across multiple children, agencies that conduct assessments via parent interview alone without direct observation of the child, and agencies that use proprietary assessment systems they cannot describe in terms of the standard published instruments. A quality BCBA can tell you exactly which tools they use, what domains they assess, and how long the assessment process takes.
Supervision structure and family involvement
The BACB requires a minimum of 5% supervision of an RBT's direct therapy hours, but this is a floor, not a standard. Quality agencies supervise at 10% or more, which translates to the BCBA directly observing and providing feedback on therapy sessions at least once per week for a child receiving 20 or more therapy hours. Ask how often the BCBA observes sessions in person and how they provide feedback to the RBT.
Caregiver training is not optional — it is a clinical requirement. Your child's outcomes depend on generalization: the ability to apply skills learned in therapy to real-life contexts with different people. That generalization requires you, as the parent, to implement behavioral strategies consistently at home. A BCBA who does not build parent training into the program is clinically cutting corners. Ask how many hours per month are dedicated to caregiver training and what format that training takes.
Finally, ask about data reporting. You should receive regular written progress reports — not just verbal updates at the end of sessions. These reports should show whether your child's skill acquisition targets are moving in the right direction and whether challenging behaviors are declining. Objective data is what separates ABA from other therapies. If a provider cannot commit to regular data-based reporting, they are not practicing ABA at an acceptable standard.
Local vs. national chain: what the research shows
Miami-Dade County has a growing number of national ABA chain providers — companies that operate across multiple states with centralized management, standardized protocols, and high-volume intake models. These agencies have legitimate advantages: they typically accept a wide range of insurance plans and can often start services quickly due to their staffing scale.
The trade-off is clinical individualization. National chains tend to assign higher caseloads to their BCBAs, use more standardized treatment templates across children, and have higher staff turnover — a significant problem in ABA, where the therapeutic relationship between the child and their RBT is a meaningful factor in outcomes. A local practice with a stable, experienced team and lower caseloads will typically deliver more individualized and carefully supervised care.
The right answer depends on your child's needs, your insurance situation, and the specific agency. A national chain with an excellent local clinical director can outperform a small local practice with an overextended BCBA. Evaluate the individual provider, not just the brand. The questions in this article will help you assess quality regardless of the agency's size or ownership structure.



