Mailchimp → HubSpot · Elite Partner

Mailchimp to HubSpot, the upgrade B2B teams need at scale.

Mailchimp is great at email and limited at lifecycle. We migrate B2B teams from Mailchimp to HubSpot Marketing Hub when motion grows beyond newsletter sends: lifecycle stages, scoring, attribution, sales integration, and proper marketing operations.

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20+

Mailchimp migrations delivered

Median 4-6 week timeline

Customer data lost in 8 years

Across all migration engagements

1,500+

Businesses served worldwide

Across 25+ countries

4.99/5

HubSpot Partner Directory rating

Verified reviews · Top 0.4%

Customer outcomes

Mailchimp migrations that ship fast.

Three real Mailchimp to HubSpot engagements.

B2B Services · Multi-region

Mailchimp to Marketing Hub Pro

AdLib migrated 14K subscribers from Mailchimp. Lifecycle, scoring, sales integration rebuilt cleanly.

Read the case study

B2B SaaS · Series A

Mailchimp + Pipedrive together

Promptly migrated email and CRM together. Single platform with proper lifecycle and pipeline tied.

Read the case study

Industrial · ANZ

Mailchimp to Commerce Hub

Hunter Pumps migrated newsletter subscribers and product-page email triggers to HubSpot.

Read the case study

B2B Sales · Mid-market

Newsletter + sales nurture unified

IPS Group's marketing newsletter and sales nurture sequences unified in HubSpot. Clean handoff between teams.

Read the case study

The honest read

When Mailchimp to HubSpot fits, and when it truly doesn't.

Below is the honest read.

Right fit when

You've outgrown Mailchimp's lifecycle and segmentation capability.
Marketing-to-sales handoff matters and you want one platform.
Lifecycle stages, scoring, and attribution would be material to your motion.
You're 10+ employees and B2B-focused.
You'd accept a 24-hour data freeze during cutover.

Wrong fit when

You run pure transactional ecommerce email and Klaviyo or native Shopify Email fits better.
Your motion is truly simple newsletter sends and a B2B platform is overkill.
Your team has built deep Mailchimp Customer Journey automations that don't translate cleanly.
You're a tiny startup and HubSpot's pricing isn't justified yet.

What we move

Mailchimp concepts translated to HubSpot.

Below is the structure.

DATA

Subscribers + tags + audiences

Mailchimp subscribers map to HubSpot contacts. Tags translate to lifecycle stages or properties. Audiences map to lists. Field mapping documented.

CORE · AUTOMATIONS

Customer Journeys → workflows

Mailchimp Customer Journeys translated to HubSpot workflows. Most patterns map cleanly. More flexibility on the HubSpot side.

INTEGRATIONS

Mailchimp + CRM → HubSpot native

Mailchimp + CRM integration replaced by HubSpot's native CRM-marketing integration. Lifecycle and pipeline tied directly.

Methodology

From kickoff to Mailchimp sunset.

Six steps.

Audit

Mailchimp audit covering audiences, automations, tags, integrations. Output: migration plan.

Architecture

Field mapping, lifecycle design, automation translation, integration plan. Sign-off before build.

Build

HubSpot configured in sandbox. Workflows, properties, integrations validated.

Migrate

Three-wave migration. 24-hour freeze. Deliverability warm-up post-cutover.

Train

Live training for marketing team.

Operate

30 days of weekly check-ins. Sunset Mailchimp at day 30.

What you get

Inside a Mailchimp to HubSpot migration.

Below is the typical scope, fixed-fee from $14,500.

PHASE 01

Audit + Plan

Week 1

·Mailchimp audit
·Field mapping document
·Lifecycle design
·Risk register

PHASE 02

Build

Weeks 2-3

·HubSpot sandbox configured
·Customer Journeys translated to workflows
·Lifecycle and scoring layer
·Integrations rebuilt

PHASE 03

Cutover

Week 4

·Three-wave migration with 24-hour freeze
·Deliverability warm-up
·Validation against source numbers
·Same-day rollback if anything fails

PHASE 04

Train + Hand off

Weeks 5-6

·Live training for marketing team
·Knowledge Base for 'where is X'
·Mailchimp sunset plan
·Optimization roadmap

Engagement pricing

Fixed-fee. Volume-aware.

Light Mailchimp migration (under 25K contacts, simple automations): $14,500. Standard (paired CRM migration, lifecycle redesign): $24,500 to $48,000.

See full pricing breakdown Get a custom quote

Things people ask

Things people ask.

How long does a Mailchimp migration take?+

Light migrations: 4 weeks. With paired CRM migration: 6 to 8 weeks. Most teams move quickly because Mailchimp setups tend to be simpler than enterprise marketing automation tools.

What about Mailchimp Customer Journeys?+

Customer Journeys translate to HubSpot workflows. Most patterns map cleanly. HubSpot offers more flexibility on conditional logic, branching, and integration with sales.

Can we keep our existing email designs?+

Yes. Email templates can be ported to HubSpot's editor. Most teams take this opportunity to refresh template design but it's not required.

What about deliverability?+

We warm up the new HubSpot sending domain before cutover. Most customers see equivalent deliverability within 30 days post-migration.

Should we migrate ecommerce email too?+

If you're B2B-led, yes. If you run high-volume DTC ecommerce, Klaviyo is usually a better fit and HubSpot Marketing Hub handles the B2B layer separately.

How do we get started?+

Book a 30-minute strategy call. Proposal within 48 hours if we're a fit.

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