The full answer
Because meat may pass through several companies before it reaches your plate:
Slaughterhouse → Processor → Distributor → Retailer or Restaurant → Consumer
Checking only the last business leaves unanswered questions upstream.
HMS's end-to-end model is designed to maintain traceability throughout that journey.
Answers in the Halal Knowledge Center reflect the standards followed by Halal Monitoring Services (HMS), which operates as part of the Shariah Board of America. HMS certifies only what it checks.