American Animal Hospital Association
Veterinary ServicesColorado, United States201-500 Employees
The American Animal Hospital Association (AAHA) is a veterinary services organization headquartered at 14142 Denver West Parkway, Suite 245, Lakewood, Colorado, 80401, United States. It serves as the sole accrediting body for veterinary hospitals in the United States and Canada, establishing a benchmark for pet health care through voluntary evaluations against roughly 900 standards. AAHA has accredited over 3,600 small animal veterinary hospitals, reflecting its role in promoting high-quality veterinary care; the organization provides ongoing consultant support and site visits to ensure compliance. The association employs 201-500 people and operates in the veterinary services industry, with its website at aaha.org. In recent years, AAHA has expanded its accreditation and guideline programs, including End-of-Life Care accreditation (2025) and the 2025 One Health Guidelines, and announced executive leadership changes with the appointment of a new CEO effective April 1, 2026.