What causes 40,000 duplicates in CRM migration?

Pre-existing rot from manual entry and imports, plus mapping mismatches, email variations, and company name tweaks that exact matching misses.

How to fix duplicates in Salesforce after HubSpot migration ?

Ditch exact rules for fuzzy matching with Jaro-Winkler on names/companies, confidence scores, and tools like Dedup apps—90% cleanup fast.

Does CRM data quality really cost six figures?

Yes—wasted rep time, overpaid email lists, bogus reports. Gartner: $12.9M average annually across orgs.

☁️ Cloud & Databases

CRM Migration Blowup: 40,000 Duplicates Haunt HubSpot-to-Salesforce Switch

Six months post-migration, a sales team uncovers 40,000 duplicates in Salesforce—42% of their CRM database. This isn't rare; it's a market-wide trap costing millions.

Open Source Beat Apr 11, 2026 3 min read

Bar chart of 40,000 duplicate contacts discovered in Salesforce after CRM migration

⚡ Key Takeaways

CRM databases degrade 30% yearly; migrations expose hidden duplicates. 𝕏
Fuzzy matching outperforms exact rules, catching 90% vs. 60%. 𝕏
Duplicates cost $100K+ yearly in time, emails, and bad reporting. 𝕏

Published by

Open Source Beat

Community-driven. Code-first.

#CRM migration #HubSpot Salesforce #HubSpot migration #Salesforce duplicates #data deduplication

Worth sharing?

Get the best Open Source stories of the week in your inbox — no noise, no spam.

Originally reported by Dev.to

⚡ Key Takeaways

The 60-Second TL;DR

Open Source Beat

Share this article

Worth sharing?

Related Stories

PostgreSQL's Brutal Truth: Indexes That Backfire on Big Tables

Bad Data's $12.9 Million Sting: Why Fixes Fail and What's Next

AWS S3 Files: No More Hacky Syncs, But Who's Cashing In on the Fix?

Postgres Patch Hacks Materialized Views to O(Delta) Refreshes — Finally

Stay in the loop