--- title: Blog | Jonas description: Explore tips on HubSpot Operations, CRM hygiene and especially HubSpot merging & deduplication --- [Skip to content](https://koalify.io/blog/author/jonas#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) ##### KOALIFY BLOG ## HubSpot Data Quality & Deduplication Blog Practical guides, best practices, and tutorials on HubSpot deduplication, duplicate management, bulk merging, and CRM data quality. Learn how to find, manage, and remove duplicates in HubSpot across contacts, companies, deals, and more. ![How Helion B2B Merged 35,000 Duplicates After a HubSpot Portal Merger](https://koalify.io/hs-fs/hubfs/Group%2048096196.jpg?width=370&height=220&name=Group%2048096196.jpg) ###### [How Helion B2B Merged 35,000 Duplicates After a HubSpot Portal Merger](https://koalify.io/blog/how-helion-b2b-merged-35000-duplicates-after-a-hubspot-portal-merger) By [Jonas](https://koalify.io/blog/author/jonas) 12 November, 2026 When Frederik, Senior HubSpot & Tech Specialist at Elite HubSpot Partner Helion B2B, merges several... [Read More](https://koalify.io/blog/how-helion-b2b-merged-35000-duplicates-after-a-hubspot-portal-merger) ![HubSpot Shopify Integration: Fix Duplicates Without Breaking the Sync](https://koalify.io/hs-fs/hubfs/HubSpots%20data%20sync%20matches%20Shopify%20companies%20to%20HubSpot%20compay%20by%20comparing%20company%20name%20%26%20domain.png?width=370&height=220&name=HubSpots%20data%20sync%20matches%20Shopify%20companies%20to%20HubSpot%20compay%20by%20comparing%20company%20name%20%26%20domain.png) ###### [HubSpot Shopify Integration: Fix Duplicates Without Breaking the Sync](https://koalify.io/blog/hubspot-shopify-integration-fix-duplicates-without-breaking-the-sync) By [Jonas](https://koalify.io/blog/author/jonas) 10 November, 2026 A customer checks out with their Gmail address in March. In June they order again from the office,... [Read More](https://koalify.io/blog/hubspot-shopify-integration-fix-duplicates-without-breaking-the-sync) ![How Reaching 8 Merged 60,000 Duplicate Companies for a SaaS Company in HubSpot](https://koalify.io/hs-fs/hubfs/How%20I%20Fixed%20Your%20Data%20-%20Kazim%20Yukruk.jpg?width=370&height=220&name=How%20I%20Fixed%20Your%20Data%20-%20Kazim%20Yukruk.jpg) ###### [How Reaching 8 Merged 60,000 Duplicate Companies for a SaaS Company in HubSpot](https://koalify.io/blog/how-reaching-8-merged-60000-duplicate-companies-for-a-saas-company-in-hubspot) By [Jonas](https://koalify.io/blog/author/jonas) 5 November, 2026 When Kaz, founder of RevOps consultancy Reaching 8 and partner at Domestique, starts a new client... [Read More](https://koalify.io/blog/how-reaching-8-merged-60000-duplicate-companies-for-a-saas-company-in-hubspot) ![How to Manage HubSpot Duplicates with the Microsoft Dynamics 365 Integration](https://koalify.io/hs-fs/hubfs/Microsoft%20Dynamics%20365%20Integration.png?width=370&height=220&name=Microsoft%20Dynamics%20365%20Integration.png) ###### [How to Manage HubSpot Duplicates with the Microsoft Dynamics 365 Integration](https://koalify.io/blog/how-to-manage-duplicate-contacts-and-companies-with-the-hubspot-dynamics-365-integration) By [Jonas](https://koalify.io/blog/author/jonas) 30 October, 2026 When marketing lives in HubSpot and sales lives in Microsoft Dynamics 365, duplicates stop being a... [Read More](https://koalify.io/blog/how-to-manage-duplicate-contacts-and-companies-with-the-hubspot-dynamics-365-integration) ![How to Merge Leads in HubSpot (Manually or in Bulk)](https://koalify.io/hs-fs/hubfs/Can%20You%20Merge%20Leads%20in%20HubSpot.png?width=370&height=220&name=Can%20You%20Merge%20Leads%20in%20HubSpot.png) ###### [How to Merge Leads in HubSpot (Manually or in Bulk)](https://koalify.io/blog/how-to-merge-duplicate-leads-in-hubspot) By [Jonas](https://koalify.io/blog/author/jonas) 27 October, 2026 Your SDR opens the prospecting workspace and sees the same person twice. One lead was created when... [Read More](https://koalify.io/blog/how-to-merge-duplicate-leads-in-hubspot) ![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) ![SPF, DKIM and DMARC in HubSpot: a setup checklist for marketing email](https://koalify.io/hs-fs/hubfs/SPF%2c%20DKIM%20and%20DMARC%20in%20HubSpot%20a%20setup%20checklist%20for%20marketing%20email.png?width=370&height=220&name=SPF%2c%20DKIM%20and%20DMARC%20in%20HubSpot%20a%20setup%20checklist%20for%20marketing%20email.png) ###### [SPF, DKIM and DMARC in HubSpot: a setup checklist for marketing email](https://koalify.io/blog/hubspot-spf-dkim-dmarc-setup) By [Jonas](https://koalify.io/blog/author/jonas) 14 October, 2026 You inherited a HubSpot portal that's been sending marketing email for years. Nobody can tell you... [Read More](https://koalify.io/blog/hubspot-spf-dkim-dmarc-setup) ![Why your HubSpot emails are going to spam (and how to fix it)](https://koalify.io/hs-fs/hubfs/Why%20your%20HubSpot%20emails%20are%20going%20to%20spam%20(and%20how%20to%20fix%20it).png?width=370&height=220&name=Why%20your%20HubSpot%20emails%20are%20going%20to%20spam%20(and%20how%20to%20fix%20it).png) ###### [Why your HubSpot emails are going to spam (and how to fix it)](https://koalify.io/blog/hubspot-emails-going-to-spam) By [Jonas](https://koalify.io/blog/author/jonas) 12 October, 2026 Your open rate was 28% last month. This week's newsletter came in at 9%. HubSpot says 98%... [Read More](https://koalify.io/blog/hubspot-emails-going-to-spam) ![How to unbounce a contact in HubSpot](https://koalify.io/hs-fs/hubfs/If%20the%20address%20was%20right%20unbounce%20it%20in%20HubSpot.png?width=370&height=220&name=If%20the%20address%20was%20right%20unbounce%20it%20in%20HubSpot.png) ###### [How to unbounce a contact in HubSpot](https://koalify.io/blog/unbounce-contact-hubspot) By [Jonas](https://koalify.io/blog/author/jonas) 9 October, 2026 A customer replies to a sales email asking why they never got your newsletter. You check their... [Read More](https://koalify.io/blog/unbounce-contact-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 Integration Duplicates](https://koalify.io/blog/tag/hubspot-integration-duplicates) - [HubSpot Revenue Operations](https://koalify.io/blog/tag/hubspot-revenue-operations) - [HubSpot Deduplication](https://koalify.io/blog/tag/hubspot-deduplication) - [HubSpot Associations](https://koalify.io/blog/tag/hubspot-associations) ###### 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/author/jonas/page/1) [2](https://koalify.io/blog/author/jonas/page/2) [3](https://koalify.io/blog/author/jonas/page/3) [4](https://koalify.io/blog/author/jonas/page/4) [5](https://koalify.io/blog/author/jonas/page/5) ... 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