---
title: "Data quality in HubSpot: how to clean up your CRM and keep it clean"
description: How to improve data quality in HubSpot. Duplicates, empty fields, standardized values, enrichment, Data Agent and routines that keep the CRM clean over time.
image: https://leadlabs.se/hubfs/Blog/datakvalitet-hubspot.jpg
---

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 October 19, 2026

# Data quality in HubSpot: how to clean up your CRM and keep it clean

![Picture of Emelie](https://app.hubspot.com/settings/avatar/a7bfbbcaf0bc52ffebec008d63b2902f) By  [Emelie](https://leadlabs.se/en/insights/author/emelie)  ·   2 minute read

![Tall stacks of binders and papers in an office](https://leadlabs.se/hs-fs/hubfs/Blog/datakvalitet-hubspot.jpg?width=1600&height=900&name=datakvalitet-hubspot.jpg)

A CRM with bad data is worse than no CRM at all, because people make decisions on wrong numbers. And with AI agents working directly on the data, the problem gets bigger: agents make the same mistakes as people, just faster. Here is how to clean up HubSpot and keep it clean.

**In short:** Start by measuring the problem: duplicates, empty fields and inconsistent values. Merge duplicates, standardize important properties, enrich company data and remove what is not needed. Then prevent new problems with dropdowns, required fields, workflows and a clear owner for the data.

## Common problems in HubSpot portals

- Duplicate contacts and companies.
- Contacts without an associated company.
- Empty fields for industry, country or size.
- The same value written in different ways, for example "Sweden", "SE" and "Sverige".
- Lifecycle stages used differently by different teams.
- Old contacts who have not been active for many years.
- Properties nobody uses.

## Step 1: Measure where you stand

HubSpot's data quality tools show duplicates, formatting issues and unused properties, among other things. Also build a few simple reports: what share of companies lack an industry, how many contacts lack a company, how many deals lack an amount.

## Step 2: Merge duplicates

HubSpot suggests duplicates you can review and merge. For companies, the domain works as the unique key. Review the suggestions before merging, especially for groups with several companies.

## Step 3: Standardize and enrich

- Turn free text fields into dropdowns where possible.
- Use workflows or formatting to correct existing values.
- Use HubSpot's enrichment to fill in company data such as industry and size.
- Let [Data Agent](https://leadlabs.se/en/insights/ai-agents-in-hubspot?hsLang=en) help keep the data current.

## Step 4: Clean out

Remove or archive properties nobody uses. Remove contacts who are not customers and have not been active for a long time, both to keep costs down and to follow [GDPR](https://leadlabs.se/en/insights/hubspot-gdpr?hsLang=en).

## Step 5: Prevent

1. **Required fields** in deal stages and forms.
2. **Dropdowns** instead of free text.
3. **Import routines** with duplicate checks and mapping.
4. **Workflows** that fix common errors automatically.
5. **A data owner** who follows up a data quality report every month.

## Frequently asked questions about data quality in HubSpot

### How do you find duplicates in HubSpot?

HubSpot has a duplicate management tool that suggests contacts and companies that are likely the same. You review the suggestions and merge or dismiss them.

### What happens when you merge two contacts in HubSpot?

History and activities from both records are gathered on one contact. Property values from the primary record are kept first, so choose the right primary record.

### Can HubSpot enrich company data automatically?

Yes. HubSpot can fill in details such as industry, size and address based on the company's domain. Standard enrichment is included in Smart CRM.

### What is Data Agent in HubSpot?

Data Agent is an AI agent that helps enrich and maintain data in the CRM, for example by filling in missing details and keeping them up to date.

### How often should you clean the CRM?

Do a larger cleanup once, and then follow up data quality every month with a report and a few fixed routines.

## Summary

Clean data is the foundation for reports, automation and AI. Measure where you stand, clean systematically and prevent new errors with structure and clear ownership.

Want help cleaning up your HubSpot portal? Get in touch with LeadLabs.

## Read also

- [HubSpot audit: a checklist for your portal](https://leadlabs.se/en/insights/hubspot-audit?hsLang=en)
- [Context Home in HubSpot](https://leadlabs.se/en/insights/context-home-hubspot-growth-context?hsLang=en)
- [Moving to HubSpot](https://leadlabs.se/en/insights/moving-to-hubspot?hsLang=en)

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