SMS General Info

Empower those in need with an Online Master of Science in Assistive Technology Engineering or Assistive Technology Studies and Human Services

Earn the Seating and Mobility Specialist Certification.

The SMS certification recognizes demonstrated competence in seating and mobility assessment, funding resources, implementation of intervention, and outcome assessment and follow-up.

The Seating and Mobility Specialist (SMS) is a specialty certification for professionals working in seating and mobility. While the ATP is a broad-based exam covering all major areas of assistive technology, the SMS exam is focused specifically on seating, positioning, and mobility. The program is intended for clinicians, suppliers, engineers and others involved in seating and mobility service provision.


For Applicants For Certificants General Information

Eligibility Requirements

Exam Application

Exam Application Appendices

Exam Outline

Register for an Exam

Scheduling Your Exam (or Exam Retake)

Code of Ethics

Disclosure Guidelines

Marketing your Credential(s)

Renewing Certification

Request a Copy

Standards of Practice


ATP Directory

ATP Statistics

Certification Policies


Exam Development

Professional Standards Board



For questions about the SMS certification, please email us at, or call (202) 367-1121.