CUSTOM ENGINEERED BESPOKE INTEGRATION

Mailchimp & HubSpot Integration | SpotDev & HubSpot integration

Custom engineered for your business by SpotDev's accredited developers

Connect Mailchimp to HubSpot so audiences, subscriber status and campaign engagement stay in sync, with custom mapping the native connector does not offer.

2 to 4 weeks typical turnaround

£2.5k-£6k typical investment

OAuth 2.0

The Revenue Operations Challenge

Off-the-shelf Mailchimp sync can drift, leaving duplicate contacts and mismatched subscriber status

Campaign engagement that never reaches HubSpot means incomplete lead scoring and reporting

Teams managing both tools manually risk emailing the wrong people

We build clean, deduplicated, two-way sync with the field mapping your process needs

For £10M+ B2B companies, this isn't just inefficiency—it's lost revenue, missed opportunities, and frustrated teams who can't deliver the growth your board expects.

Revenue Impact You'll Deliver

Keep HubSpot and Mailchimp audiences in sync with accurate subscribe and unsubscribe status

Feed Mailchimp campaign engagement into HubSpot for lead scoring and reporting

Trigger HubSpot workflows from Mailchimp activity, and vice versa

Position yourself as the revenue leader who finally solved the data fragmentation problem that's been holding back growth.

How the Mailchimp & HubSpot Integration | SpotDev & HubSpot integration works

Two-way sync

Sync direction between Mailchimp & HubSpot Integration | SpotDev and HubSpot

Real time sync

How often data updates flow

OAuth 2.0

Secure authentication method

Contacts, Lists, Campaign activity, Subscriber status

Records kept in sync

Marketing Hub

HubSpot hubs supported

2 to 4 weeks

Typical time to deploy

Typical setup

Discovery and scope

Build and field mapping

Test and validate

Deploy and support

Integration Impact Analysis

With Integration

Streamlined operations

Automated workflows replace manual processes

Single source of truth

Consistent data across all revenue teams

Without Integration

Manual processes

Teams managing tools instead of revenue

Data silos

Critical insights trapped in silos

Mailchimp & HubSpot Integration | SpotDev & HubSpot integration: FAQs

How long does a Mailchimp and HubSpot integration take to build?

Most Mailchimp integrations go live in two to three weeks, depending on list structure and mapping.

How much does a Mailchimp HubSpot integration cost?

Custom Mailchimp integrations typically start from £2.5k to £6k, depending on the audiences and logic involved.

Why not use the native Mailchimp connector?

The native connector suits simple cases. We build custom integrations when you need reliable deduplication, precise subscriber-status handling or custom field mapping.

What data syncs between Mailchimp and HubSpot?

Contacts, lists, subscriber status and campaign engagement, kept consistent across both platforms.

Related HubSpot integrations

Explore more HubSpot integration resources

Why SpotDev?

HubSpot Diamond Partner

Elite tier partnership with HubSpot, reserved for top-performing consultancies with proven expertise in complex integrations.

Custom Integration Accredited

Advanced HubSpot accreditation specifically for complex API integrations and custom development projects.

HubSpot Onboarding Accredited

Accredited onboarding specialists who ensure seamless implementation and user adoption for complex HubSpot deployments.