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Data Hygiene

GlossaryData enrichmentUpdated March 23, 2026

Definition
The ongoing process of maintaining clean, accurate, and up-to-date information in your databases and CRM systems.

Data hygiene refers to the practices and processes used to keep business data clean, accurate, and current. In B2B sales and marketing, this primarily involves maintaining the quality of contact records ensuring email addresses are valid, job titles are current, company information is accurate, and duplicate records are merged or removed. Poor data hygiene leads to wasted effort, damaged sender reputation, and missed revenue opportunities.

The cost of bad data is substantial. Sales reps waste hours reaching out to contacts who have changed jobs, emails bounce from invalid addresses, and marketing campaigns underperform because they target the wrong audience. Studies estimate that B2B data decays at roughly 30% per year as people change roles, companies merge, and contact information becomes obsolete. This makes regular data maintenance not optional but essential.

Implementing strong data hygiene practices involves regular verification cycles, standardized data entry processes, and the use of automated tools. Integrating verification into your data management workflow ensures that your team always works with reliable information.

Key Points

  • Data hygiene maintains the accuracy and reliability of contact information in your systems
  • B2B data degrades significantly each year, making regular cleaning essential

Best Practices

  • Schedule regular data audits to identify and correct inaccurate or outdated records
  • Standardize data entry processes to prevent quality issues from entering your systems

Free Tools

// 02 · in practice with tomba

The API calls behind this term

Turn an email into the person behind it, and a domain into a company profile with industry, size and location.

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Type a company's domain to see its people, their roles and verified work emails, each with the pages it was found on. Free account, no card.