Salesforce to HubSpot Migration: Why Your Data (Not Your Platform) Determines Success

The conversation usually starts with a budget line. Salesforce plus Pardot or a bolt-on sales engagement tool easily runs into six figures a year, and HubSpot's combined CRM and marketing automation looks like an obvious way to cut that number. But the platform switch is the easy part. The real risk sits in the data that has been accumulating in Salesforce for years: duplicate contacts, stale picklists, custom fields nobody remembers the purpose of, and automation that only one person in the company fully understands.

A migration is the one moment a company gets to fix all of that at once, or the one moment it gets to import all of it, unfixed, into a brand-new system. This guide focuses on the data side of that decision, because that is the part most migration guides skip.

For a full walkthrough of the migration process itself, including flows-to-workflows, CSV vs. API migration, and a real client case study, Stefan covers the step-by-step version in the video below, which pairs with our original how-to guide.

The Object Model Problem

Salesforce and HubSpot are built around different data models, and this single difference causes most of the technical pain in a migration. Salesforce structures data around Leads, Accounts, and Contacts as distinct objects. HubSpot is Contact-centric, supported by Companies and Deals, and it does not have a Lead object at all.

In practice, this means every Salesforce Lead gets imported into HubSpot as a Contact. Without a deliberate plan for lifecycle stages and deduplication, this is exactly where the first wave of "why does this contact look wrong" tickets comes from.

• Import Companies before Contacts or Deals, so associations aren't orphaned on arrival.
• Decide lifecycle stage mapping before import, not after - retrofitting lifecycle stages onto thousands of contacts is slow and error-prone.
• Plan deduplication rules before the first record lands, since Salesforce Leads and Contacts frequently duplicate each other once both become HubSpot Contacts.

What Actually Breaks During Migration

Beyond the object model, several categories of Salesforce data don't transfer cleanly by default. These are the items that get discovered in week three, not week one:

Four things to plan for before cutover

Each of these needs a deliberate decision, not a default assumption.

Automation Does Not Migrate Workflow rules, Process Builder flows, and Apex triggers stay in Salesforce. Every automated process has to be rebuilt in HubSpot's workflow tools, which is an opportunity to simplify, not just replicate.		Activity History Has Import Limits HubSpot stores calls, tasks, meetings, and emails as Activities, but historical activity imports are limited in scope. Teams that assume years of call notes will move over intact are usually wrong.
Ticket Pipelines Need Reconstruction Case objects and their statuses don't map one-to-one onto HubSpot ticket pipelines. Pipelines and stages need to be rebuilt, and tickets re-associated with the right Contacts and Companies after import.		Integrations Break Any third-party tool connected to Salesforce through its API needs to be rewired to point at HubSpot. Each integration point is a separate point of failure during cutover.

Salesforce's sharing model, built around roles, profiles, and territory hierarchies, has no direct equivalent in HubSpot, which uses a simpler team- and permission-set structure. Companies with intricate territory assignments or complex approval chains often need to redesign that logic rather than translate it.

Salesforce vs. HubSpot: What Changes

How Long Does a Salesforce to HubSpot Migration Actually Take?

According to HubSpot's own migration team, most businesses that stay focused on the transition complete it within three months, though the exact timeline depends on the complexity of the existing Salesforce setup and how involved the internal team is in the process. HubSpot structures the switch into five phases, records, integrations, automation, and reports each get their own plan and timeline, which gives a useful framework for scoping a realistic project regardless of which team leads the migration.

Larger organizations with extensive custom fields, high record volumes, or multiple system integrations should expect the data preparation and integration-rebuilding work to take longer than the import itself.

A Pre-Migration Checklist

Before any record leaves Salesforce, work through these steps in order:

1 Audit Export a full picture of objects, custom fields, and automation currently in use, and flag anything unused or undocumented.		2 Deduplicate Identify duplicate Leads, Contacts, and Accounts, and decide the merge rules before import, not after.
3 Map Translate the Salesforce object model to HubSpot's Contact-Company-Deal structure deliberately, including lifecycle stage logic for former Leads.		4 Rebuild automation on paper List every workflow, flow, and trigger that needs a HubSpot equivalent, and decide what's worth simplifying.
5 Test migrate a sample Move a representative subset of records first to catch mapping errors before the full import.		6 Cut over and reconcile After full import, check record counts, associations, and pipeline values against the Salesforce source before decommissioning it.

The Data Cleanup Reality

However clean a Salesforce org looks on the surface, years of use tend to leave behind duplicate records, unused fields, empty objects, and picklist values that were never standardized across teams. A migration is the natural checkpoint to deal with all of it at once, rather than carrying it forward into a system that was supposed to be a fresh start.

If your Salesforce data hasn't had a proper cleanup pass in years, it's worth tackling that separately from the migration itself. Loncom's Salesforce CRM Data Cleanup service is built for exactly this: identifying and resolving data inconsistencies and errors before that data becomes part of your new HubSpot foundation.

Companies that skip this step migrate their mess along with their data. Companies that treat the migration as a checkpoint, reviewing what's worth keeping, what's worth archiving, and what's worth deleting, come out the other side with a CRM that's actually usable.

A Data-First Migration Approach

At Loncom, we treat every Salesforce to HubSpot migration as a data project first and a platform project second. That means:

• Auditing the existing Salesforce instance before any export, to separate what's worth migrating from what's worth archiving.
• Mapping the object model deliberately, rather than replicating the Salesforce structure inside HubSpot by default.
• Rebuilding automation with intent, using the migration as a chance to simplify workflows that grew complicated over time.
• Reconciling the data after go-live, checking that record counts, associations, and pipeline values match expectations rather than assuming a clean import.

A Salesforce to HubSpot migration is won or lost in the data decisions made before go-live. The platforms themselves are well understood and well documented. What determines whether the new CRM actually gets adopted is whether the data moving into it is trustworthy, deduplicated, and mapped to a model that makes sense in HubSpot, not just a copy of what existed in Salesforce.

FAQ

What is a Salesforce to HubSpot migration?

A Salesforce to HubSpot migration is the process of moving CRM data, including contacts, companies, deals, tickets, and historical activity, from Salesforce into HubSpot, along with rebuilding the automation and pipeline logic that supported that data.

What's the most common mistake companies make during migration?

The most common mistake is treating migration as a technical export-import task rather than a data quality checkpoint. Teams that replicate their Salesforce object model and automation exactly as it was usually end up rebuilding it again within a year, once the same data problems resurface in the new system.

How do you know if your Salesforce data isn't ready for migration?

Signs include a high rate of duplicate Leads and Contacts, custom fields with unclear or undocumented purposes, picklist values that were never standardized across teams, and automation that only one or two people in the company understand well enough to maintain.

Which businesses benefit most from migrating to HubSpot?

Mid-market teams currently paying for Salesforce plus a separate marketing automation or sales engagement tool tend to see the clearest benefit, since HubSpot consolidates those functions and reduces the number of systems that need to stay in sync.

How long does a Salesforce to HubSpot migration take?

HubSpot's own migration team reports that most businesses that stay focused on the process complete their migration within three months. The exact timeline depends on the complexity of the existing Salesforce setup, the volume of data and integrations involved, and how much internal bandwidth is dedicated to the project.

What happens to my Salesforce automation during migration?

None of it migrates automatically. Workflow rules, Process Builder flows, and Apex triggers all stay behind in Salesforce and need to be rebuilt in HubSpot's workflow tools. This is usually the most underestimated part of a migration timeline, and also the best opportunity to simplify processes that grew overly complex over time.

Can Loncom help with a Salesforce to HubSpot migration?

Yes. Loncom Consulting is a HubSpot Diamond Solutions Partner with hands-on experience across CRM data migration, cleanup, and HubSpot configuration, and can support the project from data audit through post-migration reconciliation.