Debt Collection Agency | Los Angeles | Debt Collection Los Angeles | Santa Monica | Burbank: We are a premier commercial collection agency that collects past due invoices for businesses in California. Contact us today for a free consultation. Welcome to JMH & Associates, your trusted debt collection partner based in Los Angeles, California, proudly serving clients nationwide. As a professional debt collection company, we specialize in effectively collecting your past due invoices. Our mission is to ensure that you receive full payment for your outstanding invoices!