B2B Data Hygiene Checklist

A practical checklist for deduplicating contacts, verifying emails, and keeping CRM data accurate before outreach.

Before you launch an outbound campaign, run through this checklist. Fixing data issues upfront protects sender reputation, improves reply rates, and stops your CRM from filling up with junk records.

Checklist

• Remove duplicates by email, company domain, and phone
• Standardize company domains and websites
• Verify emails and phone numbers
• Enrich missing firmographics
• Score and prioritize contacts
• Quarantine uncertain enrichment changes for review