Updated by Attorney Derek DePetrillo on April 12, 2024 Qualia Collection Services Debt Collection Harassment? Qualia Collection Services Debt Collection Harassment? Is Qualia Collection Services (QCS) calling you? Stop Qualia Collection Services phone harassment. Do they threaten to take legal action or garnish your wages? Are they calling you at all hours or several times … Continue reading Qualia Collection Services Debt Collection Harassment?