Small-volume credentialing organizations play a critical role in ensuring professional competence in specialized and emerging fields. However, maintaining rigor can be uniquely challenging when candidate volumes, item pools, and organizational resources are limited. This session examines the structural and psychometric challenges faced by small-volume accredited programs, including limited statistical power, constraints in traditional psychometric processes, SME dependence, and resource limitations for continuous improvement. The discussants will present solutions for maintaining rigor through alternative validation strategies, enhanced content governance, and scalable quality assurance practices. They will also explore how small programs can leverage methodological flexibility to meet accreditation requirements. Attendees will leave with actionable strategies to strengthen quality systems, sustain defensible testing practices, and uphold public trust despite limited scale.