--- title: Blog | HubSpot Data Quality description: HubSpot Data Quality | Explore tips on HubSpot Operations, CRM hygiene and especially HubSpot merging & deduplication --- [Skip to content](https://koalify.io/blog/tag/hubspot-data-quality#main-content) [![rectangle\_long\_koala\_with\_name\_bold\_200\_125\_white](https://koalify.io/hubfs/rectangle_long_koala_with_name_bold_200_125_white.png)](https://koalify.io) - Products Show submenu for Products - [Deduplication](https://koalify.io) - [Email Validation](https://koalify.io/hubspot-email-validation) - Pricing Show submenu for Pricing - [Deduplication](https://koalify.io/pricing) - [Email Validation](https://koalify.io/hubspot-email-validation-pricing-koalify) - [Partners](https://koalify.io/partners) - [Blog](https://koalify.io/blog) - Knowledge base Show submenu for Knowledge base - [Deduplication](https://koalify.io/knowledge-base) - [Email Validation](https://koalify.io/email-validation-knowledge-base) - Products Show submenu for Products - [Deduplication](https://koalify.io) - [Email Validation](https://koalify.io/hubspot-email-validation) - Pricing Show submenu for Pricing - [Deduplication](https://koalify.io/pricing) - [Email Validation](https://koalify.io/hubspot-email-validation-pricing-koalify) - [Partners](https://koalify.io/partners) - [Blog](https://koalify.io/blog) - Knowledge base Show submenu for Knowledge base - [Deduplication](https://koalify.io/knowledge-base) - [Email Validation](https://koalify.io/email-validation-knowledge-base) ![menu-toggle](https://21645388.fs1.hubspotusercontent-na1.net/hubfs/21645388/menu-toggle.svg) ![menu-close](https://21645388.fs1.hubspotusercontent-na1.net/hubfs/21645388/menu-close.svg) [Get Started Free](https://api.koalify.io/hubspot/install?utm_source=koalify&utm_medium=website&utm_campaign=navigation) ##### Topic # HubSpot Data Quality ![How to Undo a Merge in HubSpot (Including Bulk Unmerge)](https://koalify.io/hs-fs/hubfs/How%20to%20undo%20a%20merge%20in%20HubSpot%20(bulk%20unmerge).png?width=370&height=220&name=How%20to%20undo%20a%20merge%20in%20HubSpot%20(bulk%20unmerge).png) ###### [How to Undo a Merge in HubSpot (Including Bulk Unmerge)](https://koalify.io/blog/how-to-undo-a-merge-in-hubspot-bulk-unmerge) By [Jonas](https://koalify.io/blog/author/jonas) 21 October, 2026 A sales rep messages you on Monday morning: the account history for one of their biggest customers... [Read More](https://koalify.io/blog/how-to-undo-a-merge-in-hubspot-bulk-unmerge) ![HubSpot Database Cleanup: A 5-Step Plan to Get (and Stay) Clean](https://koalify.io/hs-fs/hubfs/HubSpot%20database%20cleanup%20a%20five-phase%20plan%20to%20get%20clean%20and%20stay%20clean.png?width=370&height=220&name=HubSpot%20database%20cleanup%20a%20five-phase%20plan%20to%20get%20clean%20and%20stay%20clean.png) ###### [HubSpot Database Cleanup: A 5-Step Plan to Get (and Stay) Clean](https://koalify.io/blog/hubspot-database-cleanup-a-5-step-plan-to-get-and-stay-clean) By [Jonas](https://koalify.io/blog/author/jonas) 16 October, 2026 Your campaign numbers don't match what sales sees in the pipeline. Sales can't tell which of the... [Read More](https://koalify.io/blog/hubspot-database-cleanup-a-5-step-plan-to-get-and-stay-clean) ![HubSpot hard bounce: what it is and how to fix it](https://koalify.io/hubfs/HubSpot%20hard%20bounce%20what%20it%20is%20and%20how%20to%20fix%20it%20with%20blur.svg) ###### [HubSpot hard bounce: what it is and how to fix it](https://koalify.io/blog/hubspot-hard-bounce) By [Jonas](https://koalify.io/blog/author/jonas) 25 August, 2026 You sent a campaign, and a chunk of it came back marked "hard bounce." Now those contacts have a... [Read More](https://koalify.io/blog/hubspot-hard-bounce) ![Dirty Data Secrets: Your Sales Team Can't Trust the CRM (with Markus from vizrm)](https://koalify.io/hs-fs/hubfs/Dirty%20Data%20Secrets%20Your%20Sales%20Team%20Cant%20Trust%20the%20CRM%20with%20Markus%20from%20vizrm.jpg?width=370&height=220&name=Dirty%20Data%20Secrets%20Your%20Sales%20Team%20Cant%20Trust%20the%20CRM%20with%20Markus%20from%20vizrm.jpg) ###### [Dirty Data Secrets: Your Sales Team Can't Trust the CRM (with Markus from vizrm)](https://koalify.io/blog/dirty-data-secrets-your-sales-team-cant-trust-the-crm-with-markus-from-vizrm) By [Jonas](https://koalify.io/blog/author/jonas) 12 August, 2026 You take over a patch of accounts from a rep who's moved on. You open the first company in HubSpot... [Read More](https://koalify.io/blog/dirty-data-secrets-your-sales-team-cant-trust-the-crm-with-markus-from-vizrm) ![Deduplicate first, then enrol the clean contact in a HubSpot sequence](https://koalify.io/hs-fs/hubfs/Koalify%20%26%20Flowner.webp?width=370&height=220&name=Koalify%20%26%20Flowner.webp) ###### [Deduplicate first, then enrol the clean contact in a HubSpot sequence](https://koalify.io/blog/deduplicate-first-then-enrol-the-clean-contact-in-a-hubspot-sequence) By [Jonas](https://koalify.io/blog/author/jonas) 23 July, 2026 If you automate outreach in HubSpot, duplicate contacts break the process quietly. The workflow... [Read More](https://koalify.io/blog/deduplicate-first-then-enrol-the-clean-contact-in-a-hubspot-sequence) ![Dirty Data Secrets: Your HubSpot Workflows Are a Black Box (with Christian Baun)](https://koalify.io/hs-fs/hubfs/Dirty%20Data%20Secrets%20Your%20HubSpot%20Workflows%20Are%20a%20Black%20Box%20%28with%20Christian%20Baun%29.jpg?width=370&height=220&name=Dirty%20Data%20Secrets%20Your%20HubSpot%20Workflows%20Are%20a%20Black%20Box%20%28with%20Christian%20Baun%29.jpg) ###### [Dirty Data Secrets: Your HubSpot Workflows Are a Black Box (with Christian Baun)](https://koalify.io/blog/dirty-data-secrets-your-hubspot-workflows-are-a-black-box-with-christian-baun) By [Jonas](https://koalify.io/blog/author/jonas) 23 June, 2026 Most HubSpot portals have more automation than anyone fully understands. Workflows get created by... [Read More](https://koalify.io/blog/dirty-data-secrets-your-hubspot-workflows-are-a-black-box-with-christian-baun) ![How Revunami Merged 275,000 Duplicate Contacts for a Multi-Brand B2C Client](https://koalify.io/hs-fs/hubfs/How%20I%20Fixed%20Your%20Data%20Hope%20ADair.jpg?width=370&height=220&name=How%20I%20Fixed%20Your%20Data%20Hope%20ADair.jpg) ###### [How Revunami Merged 275,000 Duplicate Contacts for a Multi-Brand B2C Client](https://koalify.io/blog/how-revunami-merged-duplicate-hubspot-contacts-multi-brand) By [Jonas](https://koalify.io/blog/author/jonas) 20 May, 2026 When Hope Adair and her team at Revunami took on a large multi-brand B2C client, they ran into a... [Read More](https://koalify.io/blog/how-revunami-merged-duplicate-hubspot-contacts-multi-brand) ![How to Handle Duplicates in HubSpot When NetSuite Is Integrated](https://koalify.io/hs-fs/hubfs/How%20to%20Handle%20Duplicates%20in%20HubSpot%20When%20NetSuite%20Is%20Integrated.jpg?width=370&height=220&name=How%20to%20Handle%20Duplicates%20in%20HubSpot%20When%20NetSuite%20Is%20Integrated.jpg) ###### [How to Handle Duplicates in HubSpot When NetSuite Is Integrated](https://koalify.io/blog/how-to-handle-duplicates-in-hubspot-when-netsuite-is-integrated) By [Jonas](https://koalify.io/blog/author/jonas) 18 May, 2026 When NetSuite is your finance system of record, a careless HubSpot merge can do real damage.... [Read More](https://koalify.io/blog/how-to-handle-duplicates-in-hubspot-when-netsuite-is-integrated) ![Dirty Data Secrets: When HubSpot's Unique Identifier Is Wrong (with Sarah Lane-Hawn)](https://koalify.io/hs-fs/hubfs/Dirty%20Data%20Secrets%20When%20HubSpots%20Unique%20Identifier%20Is%20Wrong%20%28with%20Sarah%20Lane-Hawn%29.jpg?width=370&height=220&name=Dirty%20Data%20Secrets%20When%20HubSpots%20Unique%20Identifier%20Is%20Wrong%20%28with%20Sarah%20Lane-Hawn%29.jpg) ###### [Dirty Data Secrets: When HubSpot's Unique Identifier Is Wrong (with Sarah Lane-Hawn)](https://koalify.io/blog/hubspot-unique-identifier-wrong-data-architecture-rebuild) By [Jonas](https://koalify.io/blog/author/jonas) 14 May, 2026 When a company's CRM pain reaches breaking point, the instinct is to clean the data. But sometimes... [Read More](https://koalify.io/blog/hubspot-unique-identifier-wrong-data-architecture-rebuild) ![What happens to your data when you merge duplicate records in HubSpot?](https://koalify.io/hs-fs/hubfs/What%20happens%20to%20your%20data%20when%20you%20merge%20duplicate%20records%20in%20HubSpot.jpg?width=370&height=220&name=What%20happens%20to%20your%20data%20when%20you%20merge%20duplicate%20records%20in%20HubSpot.jpg) ###### [What happens to your data when you merge duplicate records in HubSpot?](https://koalify.io/blog/what-happens-to-data-when-you-merge-records-in-hubspot) By [Jonas](https://koalify.io/blog/author/jonas) 12 May, 2026 Before you merge anything, you want to know one thing: what's going to survive? It's the right... [Read More](https://koalify.io/blog/what-happens-to-data-when-you-merge-records-in-hubspot) ###### Blog Sidebar ###### Search Search ###### Category - [HubSpot Data Quality](https://koalify.io/blog/tag/hubspot-data-quality) - [HubSpot Email Validation](https://koalify.io/blog/tag/hubspot-email-validation) - [HubSpot Revenue Operations](https://koalify.io/blog/tag/hubspot-revenue-operations) - [HubSpot Integration Duplicates](https://koalify.io/blog/tag/hubspot-integration-duplicates) - [HubSpot Associations](https://koalify.io/blog/tag/hubspot-associations) - [HubSpot Deduplication](https://koalify.io/blog/tag/hubspot-deduplication) ###### Popular Post - [HubSpot best practices for contacts that leave a company](https://koalify.io/blog/hubspot-best-practices-for-contacts-that-leave-a-company) - [How to Bulk Merge HubSpot Duplicates: Contacts, Companies, Deals and More](https://koalify.io/blog/how-to-bulk-merge-hubspot-duplicates-contacts-companies-more) - [How to Merge Companies in HubSpot (Safely, Manually or in Bulk)](https://koalify.io/blog/how-to-merge-companies-in-hubspot-manual-or-in-bulk) - [HubSpot Deduplication: How to Find, Manage, and Remove Duplicates in HubSpot](https://koalify.io/blog/hubspot-deduplication-the-ultimate-guide-to-zero-duplicates-in-hubspot) - [How to Merge Duplicate Contacts in HubSpot Without Losing Data](https://koalify.io/blog/how-to-merge-contacts-in-hubspot-manual-or-in-bulk) ###### Page: [1](https://koalify.io/blog/tag/hubspot-data-quality/page/1) [2](https://koalify.io/blog/tag/hubspot-data-quality/page/2) [3](https://koalify.io/blog/tag/hubspot-data-quality/page/3) [4](https://koalify.io/blog/tag/hubspot-data-quality/page/4) [5](https://koalify.io/blog/tag/hubspot-data-quality/page/5) ... 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