--- description: A CRM-to-HubSpot data migration involves auditing source data, mapping fields between systems, cleaning and deduplicating records, running test imports,… image: https://www.leanlabs.com/hubfs/LL%20V4.1/LL%20Featured%20Image.png title: What does a data migration from Salesforce or another CRM into HubSpot actually involve? --- HubSpot Implementation What does a data migration from Salesforce or another CRM into HubSpot actually involve? # What does a data migration from Salesforce or another CRM into HubSpot actually involve? A CRM-to-HubSpot data migration involves auditing source data, mapping fields between systems, cleaning and deduplicating records, running test imports, executing the full migration, and validating accuracy post-import. Salesforce migrations typically take around 3 months for a focused engagement, with timeline scaling based on data volume and integration complexity. The process starts with a needs assessment: deciding what data to migrate (contacts, deals, activity history, automations) and what to archive. Next comes field mapping, which is the most technically demanding step. Every property in the old system needs a corresponding field in HubSpot, and mismatches cause broken automations and reporting gaps. Salesforce adds specific complexity because its Leads object (a separate pre-conversion record) does not exist in HubSpot, where every person is a Contact from first interaction. Custom objects, Apex code, and legacy automations all need to be reimagined rather than copied over. A phased or parallel approach, running both systems simultaneously during transition, reduces disruption but requires designating one system as the master to avoid bidirectional sync conflicts. Data quality issues are the leading cause of migration delays. Organizations that audit and clean their data before migration see noticeably faster setup times compared to those who try to fix records after import. ### Ask AI about Lean Labs [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/chatgpt.svg) ChatGPT ](https://chat.openai.com/) [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/googlegemini%201.svg) Gemini ](https://www.google.com/search?udm=50) [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/perplexity%201.svg) Perplexity ](https://www.perplexity.ai/search/new) [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/claude%201.svg) Claude ](https://claude.ai/new) [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/copilot.svg) Copilot ](https://copilot.microsoft.com/) Ask AI ```json { "@graph": [ { "@id": "https://www.leanlabs.com/#organization", "url": "https://www.leanlabs.com/", "logo": { "url": "https://www.leanlabs.com/favicon.ico", "@type": "ImageObject", "width": 60, "height": 60 }, "name": "Lean 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