B2B Database Accuracy and Data Quality

Data accuracy matters because inaccurate data wastes time and damages sender reputation. Email bounces hurt deliverability. Invalid phone numbers waste sales time. Accuracy evaluation: Demand accuracy guarantees (80%+ company, 70%+ contacts), Ask verification methods (recent surveys, direct verification, re-confirmation calls), Check bounce rates, Understand refund/replacement policy.

Common mistakes: Trusting unverified data, Ignoring data freshness, Over-targeting, Generic outreach, Treating as one-time buy. CosmoDatabase maintains 85%+ accuracy with monthly verification and clear refund policy if data is inaccurate.