---
title: Blog (5)
description: Explore tips on HubSpot Operations, CRM hygiene and especially HubSpot merging & deduplication (5)
---

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##### 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 to include associated record data in HubSpot duplicate detection (with Koalify)](https://koalify.io/hs-fs/hubfs/How%20to%20include%20associated%20record%20data%20in%20HubSpot%20duplicate%20detection%20%28with%20Koalify%29%20resized.png?width=370&height=220&name=How%20to%20include%20associated%20record%20data%20in%20HubSpot%20duplicate%20detection%20%28with%20Koalify%29%20resized.png)

###### [How to include associated record data in HubSpot duplicate detection (with Koalify)](https://koalify.io/blog/how-to-include-associated-record-data-in-hubspot-duplicate-detection-with-koalify)

By [Jonas](https://koalify.io/blog/author/jonas)  29 December, 2025

When identifying duplicates in HubSpot, detection typically relies on properties that live directly...

[Read More](https://koalify.io/blog/how-to-include-associated-record-data-in-hubspot-duplicate-detection-with-koalify)

![How to avoid merging contacts that are still enrolled in HubSpot workflows](https://koalify.io/hs-fs/hubfs/How%20to%20avoid%20merging%20contacts%20that%20are%20still%20enrolled%20in%20HubSpot%20workflows%20resized.png?width=370&height=220&name=How%20to%20avoid%20merging%20contacts%20that%20are%20still%20enrolled%20in%20HubSpot%20workflows%20resized.png)

###### [How to avoid merging contacts that are still enrolled in HubSpot workflows](https://koalify.io/blog/hubspot-deduplication-avoid-merging-contacts-in-workflows)

By [Jonas](https://koalify.io/blog/author/jonas)  29 December, 2025

Keeping your CRM clean is key to running effective marketing, sales, and service teams. But when it...

[Read More](https://koalify.io/blog/hubspot-deduplication-avoid-merging-contacts-in-workflows)

![Dirty Data Secrets: Why Duplicate Data Breaks HubSpot (with Ryan Gunn)](https://koalify.io/hs-fs/hubfs/Dirty%20Data%20Secrets%20Why%20Duplicate%20Data%20Breaks%20HubSpot%20with%20Ryan%20Gunn%20V3.png?width=370&height=220&name=Dirty%20Data%20Secrets%20Why%20Duplicate%20Data%20Breaks%20HubSpot%20with%20Ryan%20Gunn%20V3.png)

###### [Dirty Data Secrets: Why Duplicate Data Breaks HubSpot (with Ryan Gunn)](https://koalify.io/blog/dirty-data-secrets-why-duplicate-data-breaks-hubspot-with-ryan-gunn)

By [Jonas](https://koalify.io/blog/author/jonas)  17 December, 2025

Duplicate data is one of the most underestimated problems in HubSpot—and it’s quietly breaking...

[Read More](https://koalify.io/blog/dirty-data-secrets-why-duplicate-data-breaks-hubspot-with-ryan-gunn)

![How Pyxis Growth Partners Cleaned 300,000 Duplicate HubSpot Contacts from 3 Phone Integrations](https://koalify.io/hs-fs/hubfs/How%20Pyxis%20Growth%20Partners%20Cleaned%20300%2c000%20Duplicate%20HubSpot%20Contacts%20from%203%20Phone%20Integrations.png?width=370&height=220&name=How%20Pyxis%20Growth%20Partners%20Cleaned%20300%2c000%20Duplicate%20HubSpot%20Contacts%20from%203%20Phone%20Integrations.png)

###### [How Pyxis Growth Partners Cleaned 300,000 Duplicate HubSpot Contacts from 3 Phone Integrations](https://koalify.io/blog/how-pyxis-growth-partners-cleaned-300000-duplicate-hubspot-contacts-from-3-phone-integrations)

By [Jonas](https://koalify.io/blog/author/jonas)  29 October, 2025

When three different phone systems, two call tracking tools, and over 20 brands all push leads into...

[Read More](https://koalify.io/blog/how-pyxis-growth-partners-cleaned-300000-duplicate-hubspot-contacts-from-3-phone-integrations)

![How The Insight Studio Fixed 2,000+ Duplicates in HubSpot’s Commercial Real Estate Data (with Koalify)](https://koalify.io/hs-fs/hubfs/How%20The%20Insight%20Studio%20Fixed%202%2c000%2B%20Duplicates%20in%20HubSpot%E2%80%99s%20Commercial%20Real%20Estate%20Data%20%28with%20Koalify%29.png?width=370&height=220&name=How%20The%20Insight%20Studio%20Fixed%202%2c000%2B%20Duplicates%20in%20HubSpot%E2%80%99s%20Commercial%20Real%20Estate%20Data%20%28with%20Koalify%29.png)

###### [How The Insight Studio Fixed 2,000+ Duplicates in HubSpot’s Commercial Real Estate Data (with Koalify)](https://koalify.io/blog/how-the-insight-studio-fixed-2000-duplicates-in-hubspots-commercial-real-estate-data-with-koalify)

By [Jonas](https://koalify.io/blog/author/jonas)  10 October, 2025

**When contact ownership equals commission, duplicates can cost real money.**

In this episode of *How I...*

[Read More](https://koalify.io/blog/how-the-insight-studio-fixed-2000-duplicates-in-hubspots-commercial-real-estate-data-with-koalify)

![How ProsperoHub Fixed 30,000+ Duplicate HubSpot Records for a Global Client (with Koalify)](https://koalify.io/hs-fs/hubfs/How%20ProsperoHub%20Fixed%2030%2c000%2B%20Duplicate%20HubSpot%20Records%20for%20a%20Global%20Client%20%28with%20Koalify%29.png?width=370&height=220&name=How%20ProsperoHub%20Fixed%2030%2c000%2B%20Duplicate%20HubSpot%20Records%20for%20a%20Global%20Client%20%28with%20Koalify%29.png)

###### [How ProsperoHub Fixed 30,000+ Duplicate HubSpot Records for a Global Client (with Koalify)](https://koalify.io/blog/how-prosperohub-fixed-30000-duplicate-hubspot-records-for-a-global-client-with-koalify)

By [Jonas](https://koalify.io/blog/author/jonas)  9 October, 2025

When your CRM starts to grow fast, duplicates follow even faster.For one global organization, that...

[Read More](https://koalify.io/blog/how-prosperohub-fixed-30000-duplicate-hubspot-records-for-a-global-client-with-koalify)

![How to Avoid a Duplicate Disaster When Migrating to HubSpot](https://koalify.io/hs-fs/hubfs/How%20to%20Avoid%20a%20Duplicate%20Disaster%20When%20Migrating%20to%20HubSpot.png?width=370&height=220&name=How%20to%20Avoid%20a%20Duplicate%20Disaster%20When%20Migrating%20to%20HubSpot.png)

###### [How to Avoid a Duplicate Disaster When Migrating to HubSpot](https://koalify.io/blog/how-to-avoid-a-duplicate-disaster-when-migrating-to-hubspot)

By [Jonas](https://koalify.io/blog/author/jonas)  8 October, 2025

Migrating to HubSpot is exciting — new workflows, automation, cleaner data… right?Until the first...

[Read More](https://koalify.io/blog/how-to-avoid-a-duplicate-disaster-when-migrating-to-hubspot)

![How Jon Mogard Fixed 18,000 Duplicate HubSpot Records for a Swedish SaaS Company (with Koalify)](https://koalify.io/hs-fs/hubfs/How%20Jon%20Mogard%20Fixed%2018%2c000%20Duplicate%20HubSpot%20Records%20for%20a%20Swedish%20SaaS%20Company%20%28with%20Koalify%29.png?width=370&height=220&name=How%20Jon%20Mogard%20Fixed%2018%2c000%20Duplicate%20HubSpot%20Records%20for%20a%20Swedish%20SaaS%20Company%20%28with%20Koalify%29.png)

###### [How Jon Mogard Fixed 18,000 Duplicate HubSpot Records for a Swedish SaaS Company (with Koalify)](https://koalify.io/blog/how-jon-mogard-fixed-18000-duplicate-hubspot-records-for-a-swedish-saas-company-with-koalify)

By [Jonas](https://koalify.io/blog/author/jonas)  8 October, 2025

When you connect multiple systems to HubSpot — ERP, e-commerce, licensing, and a legacy CRM — data...

[Read More](https://koalify.io/blog/how-jon-mogard-fixed-18000-duplicate-hubspot-records-for-a-swedish-saas-company-with-koalify)

![How Cogent Fixed Duplicate Data Between HubSpot and OrderWise (with Koalify)](https://koalify.io/hs-fs/hubfs/How%20Cogent%20Fixed%20Duplicate%20Data%20Between%20HubSpot%20and%20OrderWise%20%28with%20Koalify%29.png?width=370&height=220&name=How%20Cogent%20Fixed%20Duplicate%20Data%20Between%20HubSpot%20and%20OrderWise%20%28with%20Koalify%29.png)

###### [How Cogent Fixed Duplicate Data Between HubSpot and OrderWise (with Koalify)](https://koalify.io/blog/how-cogent-fixed-duplicate-data-between-hubspot-and-orderwise-with-koalify)

By [Jonas](https://koalify.io/blog/author/jonas)  7 October, 2025

When integrating CRMs and ERPs, duplicate data is almost guaranteed.Migrating from **Freshsales** and **...**

[Read More](https://koalify.io/blog/how-cogent-fixed-duplicate-data-between-hubspot-and-orderwise-with-koalify)

![How Jasper Meurs Fixed Duplicate HubSpot Companies in Higher Education (with Koalify)](https://koalify.io/hs-fs/hubfs/How%20Jasper%20Meurs%20Fixed%20Duplicate%20HubSpot%20Companies%20in%20Higher%20Education%20%28with%20Koalify%29.png?width=370&height=220&name=How%20Jasper%20Meurs%20Fixed%20Duplicate%20HubSpot%20Companies%20in%20Higher%20Education%20%28with%20Koalify%29.png)

###### [How Jasper Meurs Fixed Duplicate HubSpot Companies in Higher Education (with Koalify)](https://koalify.io/blog/how-jasper-meurs-fixed-duplicate-hubspot-companies-in-higher-education-with-koalify)

By [Jonas](https://koalify.io/blog/author/jonas)  7 October, 2025

In higher education, subdomains are everywhere:`math.university.edu`, `engineering.university.edu`, `...`

[Read More](https://koalify.io/blog/how-jasper-meurs-fixed-duplicate-hubspot-companies-in-higher-education-with-koalify)

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###### 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)

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## Deduplication

[Deduplication for HubSpot](https://koalify.io)

[Pricing](https://koalify.io/pricing)

[Knowledge Base](https://koalify.io/knowledge-base)

[Terms of Service](https://koalify.io/terms-of-service)

[Data Processing Addendum](https://koalify.io/data-processing-addendum)

[HubSpot Deduplication Tools](https://koalify.io/best-hubspot-deduplication-apps)

[vs. HubSpot Native](https://koalify.io/compare/koalify-vs-hubspot-native-deduplication)

[vs. Insycle](https://koalify.io/compare/koalify-vs-insycle-hubspot-deduplication)

[vs. Dedupely](https://koalify.io/compare/koalify-vs-dedupely)

[HubSpot Deduplication Guide](https://koalify.io/blog/hubspot-deduplication-the-ultimate-guide-to-zero-duplicates-in-hubspot)

[Merge HubSpot Contacts](https://koalify.io/blog/how-to-merge-contacts-in-hubspot-manual-or-in-bulk)

[Merge HubSpot Companies](https://koalify.io/blog/how-to-merge-companies-in-hubspot-manual-or-in-bulk)

[Merge HubSpot Deals](https://koalify.io/blog/how-to-merge-deals-in-hubspot-manual-or-in-bulk)

[Bulk Merge HubSpot](https://koalify.io/blog/how-to-bulk-merge-hubspot-duplicates-contacts-companies-more)

## Email Validation

[Email Validation for HubSpot](https://koalify.io/hubspot-email-validation)

[Pricing](https://koalify.io/hubspot-email-validation-pricing-koalify)

[Knowledge Base](https://koalify.io/email-validation-knowledge-base)

[Terms of Service](https://koalify.io/terms-of-service-email-validation)

[Data Processing Addendum](https://koalify.io/data-processing-addendum-email-validation)

[HubSpot Email Validation Tools](https://koalify.io/best-email-validation-tools-for-hubspot)

[vs. NeverBounce](https://koalify.io/compare/koalify-vs-neverbounce)

[vs. ZeroBounce](https://koalify.io/compare/koalify-vs-zerobounce)

[vs. Kickbox](https://koalify.io/compare/koalify-vs-kickbox)

[HubSpot Email Validation Guide](https://koalify.io/hubspot-email-validation-guide)

[HubSpot Email Deliverability](https://koalify.io/hubspot-email-deliverability)

[HubSpot Bounce Rate](https://koalify.io/hubspot-bounce-rate)

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