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Marketing Agencies

CRM Data Hygiene for Marketing Teams: A Practical Playbook

A CRM full of duplicate contacts, wrong email domains, and stale records wastes marketing budget and undermines attribution. Here's a practical playbook for keeping it clean.

Key Takeaways
  • Marketing teams are the primary victims of CRM data problems even when they don't own the CRM
  • Duplicate contacts cause triple sends and inflate engagement metrics falsely
  • Stale records hurt deliverability for everyone — not just the stale contacts
  • Free-text lead source values make channel attribution impossible — standardize to a defined list
  • Frame CRM hygiene to stakeholders as a revenue problem with quantified impact

Why Marketing Teams Own CRM Data Quality

CRM data quality is typically owned by sales or operations — but marketing teams are the primary victims of CRM data problems. Your email campaigns bounce. Your segments don't exclude the right people. Your attribution is wrong because lead sources were captured inconsistently.

Marketing teams that don't actively participate in CRM data hygiene pay for others' data problems with their own campaign performance.

The Four Biggest CRM Data Problems for Marketing

1. Duplicate contacts The same person with three records: one from a webinar registration, one from a trade show import, one from a direct sales entry. Your marketing campaigns now reach them three times — tripling your unsubscribes and distorting your engagement metrics.

Sohovi automatically finds every duplicate in your dataset — including near-matches — and shows you exactly which rows are affected.

2. Stale or inactive records People who haven't opened an email in 18 months, or whose companies have been acquired. Emailing them drags down your engagement rates and signals to ESPs that you're sending to uninterested contacts — hurting deliverability for everyone on your list.

3. Missing or inconsistent lead source Records with no lead source, or lead source entered as free text ("met at conference in Chicago 2024") instead of a standard code. You can't analyze your marketing channel effectiveness if lead source is captured inconsistently.

4. Wrong or outdated email addresses People who changed jobs (common for B2B), people who gave a junk email at signup, people whose companies' email domains changed due to acquisitions.

The Monthly CRM Hygiene Session

Schedule 2 hours once a month:

Week 1: Deduplication Run your CRM's merge suggestions or export contacts and sort by email to find exact duplicates. Merge duplicate records, keeping the most complete version.

Week 2: Re-engagement and suppression Identify contacts with no email activity in 12+ months. Run a re-engagement campaign. Suppress anyone who doesn't engage after two re-engagement attempts. Move them to a suppressed segment rather than deleting (for CAN-SPAM record requirements).

Week 3: Field standardization Review lead source values and standardize: map free-text variations to canonical codes. Update any phone numbers to consistent format. Remove punctuation from company names that breaks personalization.

Week 4: Data enrichment For your top 20% of contacts by potential value, verify employment status and email validity. One hour of enrichment on high-value records prevents significant waste in targeted campaigns.

Getting Buy-In From Sales and Ops

Frame CRM hygiene as a revenue problem, not a data problem:

Sohovi finds gaps, duplicates, and format errors in your CRM data — so your team is working from records they can trust.

"Our current CRM has 1,400 duplicate contacts. Our email campaigns reach 32% of our list — likely because 20%+ of addresses are stale or duplicated. Cleaning this data would recover approximately 200 contacts we're currently missing and improve deliverability across all campaigns."

Numbers make the case. Abstractions don't.

Frequently Asked Questions

How do I find duplicate contacts in Salesforce or HubSpot?

Both platforms have built-in duplicate management. In HubSpot: Contacts → Actions → Manage Duplicates. In Salesforce: use the Potential Duplicates component or a tool like Dedupely. For large databases, Dedupely or Cloudingo provide more control.

What's a re-engagement campaign?

A 2–3 email sequence to inactive contacts (no open or click in 12 months) with a simple message: 'Are you still interested in hearing from us?' Include an easy way to confirm continued interest. Anyone who doesn't engage goes to your suppressed segment.

Should I delete stale contacts or just suppress them?

Suppress rather than delete. CAN-SPAM and GDPR may require you to retain opt-out records. Suppressed contacts don't receive campaigns but remain in your database for compliance purposes. Archive rather than delete.

Selva Santosh

Data quality, for people who ship

Selva writes practical guides on data quality, profiling, and governance to help teams ship better data.

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