Marketo to HubSpot Migration: A White-Label Guide

A Marketo-to-HubSpot migration is a scoped delivery project, not a data dump — and for agencies, the margin lives in how tightly you scope, sequence, and staff it. This guide walks the migration the way we run it for agency partners: what actually transfers, what has to be rebuilt by hand, and how to package the work so it lands on time without eating your billable team alive. If you'd rather hand the whole thing off, our white-label HubSpot migrations run under your brand, start to finish.

Should you move a client from Marketo to HubSpot?

Move them when the client wants marketing, sales, and service on one platform instead of stitching Marketo to a separate CRM. HubSpot consolidates automation, reporting, and the CRM into a single record, which cuts the integration overhead your team maintains between billing cycles and gives clients cleaner attribution out of the box. If you want a straight feature comparison to put in front of a hesitant client, our HubSpot vs. Marketo breakdown covers the tradeoffs.

The agency case for the switch usually comes down to three things:

• One system to support. Fewer connectors and add-ons means fewer things that break on a Friday and land in your support queue.
• Reporting clients can read. Native CRM-to-marketing reporting reduces the "where did this number come from" calls that quietly burn your account team's hours.
• A platform you already staff for. If your shop already delivers on HubSpot, another Marketo client is leverage on skills you have, not a new tool to learn.

Scope the migration before you quote it

Scope the data, assets, and automation surface before you put a number on the project — an unscoped migration is where agencies lose margin. Marketo instances range from a handful of programs to years of layered smart campaigns, and the difference is the whole budget. Nail down these before you commit to a price or a date:

• Migration goals. What does "done" look like for the client, and which Marketo behaviors must survive the move?
• Data in scope. Contacts, companies, lead scores, lifecycle stages, engagement history, custom fields — decide what transfers and what gets archived.
• Asset inventory. Forms, landing pages, email templates, and Smart Lists that need to be rebuilt (most of them will).
• Stakeholders and access. Confirm who signs off from the client's marketing, sales, and IT, and get portal and export credentials before day one, not week two.

We've seen the single biggest margin killer on migrations isn't the data audit or the portal cleanup — it's letting rebuild-by-hand work like content and email templates run open-ended inside a fixed scope. The agencies that protect margin aren't charging more; they've just stopped letting that work eat the project alive. Quote the rebuildable assets as a separate line, or cap them.

Audit the Marketo portal

Audit the existing Marketo setup first so nothing important surfaces mid-migration. A good audit maps what's live, what's dead, and what has to be reconstructed on the HubSpot side. Work through three layers:

Contact and lead data. Clean before you move. Remove duplicate, outdated, and irrelevant contacts; verify consent-based fields against GDPR and CCPA before anything crosses over; and map every Marketo field to its HubSpot destination so nothing lands in the wrong property. Cleaning the data up front is also the reporting win — clients get reliable analytics from day one instead of inheriting Marketo's mess in a new tool.

Automation and workflows. Document every active smart campaign, trigger, and action. Marketo's automation rules don't port over to HubSpot directly, so the documentation you produce here becomes the build spec for the rebuild phase.

Forms, landing pages, and email templates. List what has to be recreated by hand and archive the performance reports before you decommission anything. Assume most assets are rebuilds, not imports — pricing the migration as if they'll transfer is how projects blow past their hours.

What does not transfer from Marketo

Most raw data moves; most of Marketo's logic and history does not. This is the table that keeps a migration honest with the client — and the part that determines your actual hours. In our delivery, these are the consistent gaps:

Marketo element	Transfers cleanly?	Agency handling
Contacts, companies, custom fields	Yes, via CSV import	Map fields, keep a unique identifier (email or CRM ID)
Email send/open/click history	No	Export engagement reports; store history as custom properties in HubSpot
Dynamic Smart Lists	No	Export as CSV and rebuild list logic manually in HubSpot
Automation rules / smart campaigns	No	Document each flow, rebuild in HubSpot workflows
Lead scoring	No (different model)	Re-map criteria and redefine point allocation in HubSpot
Forms, landing pages, templates	No	Recreate in HubSpot's editors

Setting this expectation early is a client-communication move as much as a technical one. Historical email engagement in particular surprises clients — they assume opens and clicks come along, and they don't. Telling them up front that you'll preserve that history as custom properties (rather than lose it) turns a limitation into a value-add you delivered.

Configure HubSpot, then import and validate

Set up the portal to match the client's structure before a single record moves. Build out the CRM fields Marketo used, define user roles and permission levels so security stays intact, and install the HubSpot tracking code on the client's sites so analytics start clean. Only then import.

On import, use HubSpot's native import tools, keep a unique identifier on every record so nothing duplicates, and validate integrity immediately after — spot-check counts, key properties, and associations before you tell anyone the data is in. Data cleanup at this stage is not optional overhead; it's what makes the client's first HubSpot reports trustworthy. On larger sales-side migrations we've imported thousands of deals out of a legacy CRM that needed heavy cleanup before user training could even begin, and skipping that step just moves the mess into a new tool.

Rebuild automations, lead scoring, and Smart Lists

Rebuild — don't try to migrate — Marketo's logic layer, because none of it ports directly. Work from the documentation you produced in the audit:

• Automation and nurture flows. Reconstruct each Marketo smart campaign as a HubSpot workflow. Our guide to HubSpot workflow automation covers the patterns that replace most Marketo flows one-for-one.
• Lead scoring. HubSpot scores differently, so re-map the criteria and reset point allocations rather than copying Marketo's numbers. Treat it as a redesign with the client's sales team, not a transcription.
• Smart Lists and segments. Rebuild list logic from the CSVs you exported; dynamic Marketo lists have no import path.
• Forms and landing pages. Recreate with HubSpot's drag-and-drop editors, matching the client's existing brand and field structure.

This is where scoping discipline pays off. A straightforward migration — say around 40 hours for the automation rebuild — can be owned end to end by a single dedicated subject-matter expert rather than a rotating cast, which keeps both quality and utilization high. Bloated, under-documented Marketo instances are the ones that need a team; knowing which you're quoting is the whole game.

Test, go live, and train the client

Test everything before the client touches it, then cut over deliberately. Run test campaigns to confirm workflows fire correctly, validate that forms, landing pages, and CTAs work, and reconcile CRM records for accuracy. When it's clean, switch marketing automation over to HubSpot while keeping the Marketo instance live as a short-term backup, then monitor engagement and workflow behavior closely for the first weeks. Book a post-migration review at the 30–60 day mark to catch drift and refine.

A migration only sticks if the client can run the portal after you leave. Build in hands-on training for the marketing and sales teams — our agency guide to training HubSpot users covers structuring those sessions — plus short reference docs on the rebuilt workflows and reporting. Proactive handoff is a retention move: the partners who keep clients longest show up with the next step before the client asks for it.

How to package a Marketo migration

Package migrations by complexity tier, not by the hour on a spreadsheet the client never sees. Because the rebuild surface is where hours hide, the cleanest models separate the predictable work from the open-ended work:

• Fixed-scope migration for well-documented Marketo instances: data import, a defined number of workflow rebuilds, and a capped asset-recreation allowance.
• Discovery-then-build for large or messy instances: a paid audit that produces the rebuild spec, so the migration itself is quoted against reality instead of a guess.
• Ongoing retainer for clients who'll keep optimizing after go-live — the natural bridge from a one-time project into recurring HubSpot management.

Whichever model you use, quote the human rebuild work (workflows, templates, content) as its own line so a sprawling Marketo instance can't quietly turn a fixed-fee project into a loss.

Where a white-label partner fits

Outsource the migration to a white-label partner when the client win matters more than owning the HubSpot hours yourself. A HubSpot-certified fulfillment partner can run CRM migrations, portal audits, and the automation rebuild under your brand, letting you sell the engagement without hiring or training a HubSpot specialist for a one-off project. That's the model we run: as our CEO Dave Ward puts it, "for the last two years we flipped our model... and now our only customers... are other HubSpot agencies. We do white label fulfillment, basically getting stuff done for HubSpot partners for their clients."

The market is real — HubSpot's partner directory lists more than 700 agencies delivering on the platform (HubSpot, 2024), and plenty of them subcontract the technical migrations they don't staff for. Meticulosity is a Diamond HubSpot Solutions Partner (top 3% globally) with 12+ years as a partner, 70+ partner agencies served, and 11,800+ completed projects at a 95% on-time rate. When a Marketo migration lands on your desk and your billable team is booked, hand it to us: your client moves to HubSpot on time, under your brand, and your team stays on the work that already pays.