Your Mailchimp list earns more on Klaviyo. We move it in 10 days.
Contacts, segments, flows, and templates transfer to Klaviyo with your revenue running the whole time. We handle every technical step. Your team spends under 3 hours total.

Mailchimp costs you money every time you send
Mailchimp was built for newsletters. Klaviyo was built for ecommerce stores. Every month on the wrong platform is a month your abandoned carts, post-purchase sequences, and best customers go without a targeted message.
Mailchimp does not pull live order data from Shopify. That means your abandoned cart and post-purchase emails cannot fire on real purchase events.
Mailchimp sends to your whole list the same way. Klaviyo uses purchase history, spending patterns, and churn risk to decide who gets which message.
Mailchimp templates are static. They cannot show different products to different customers or pull real-time inventory. Klaviyo does both natively.
Every contact field transfers correctly. No broken names. No missing data.
Select a field from your Mailchimp export to see exactly how we map, clean, and verify it before a single contact enters Klaviyo. Bad field mapping is what causes emails that say "Hi {FNAME}" instead of "Hi Sarah." We prevent that before import.
Pulls from your Mailchimp first name column. Cleaned to proper capitalization before import. Used in all personalized subject lines and email greetings.
Your Mailchimp account goes live on Klaviyo in 10 business days
Each phase has a quality gate. Nothing moves to the next step until the previous step passes review. You see the full timeline in your proposal before any work starts.
We document every list, segment, automation, and template before any data moves. You get a full inventory report.
Your entire Mailchimp account moves to Klaviyo. All of it.
Lists, flows, templates, and unsubscribe history transfer with verification checks at every stage. Your data arrives in Klaviyo exactly as it left Mailchimp.

Glen-L Marine: Mailchimp to Klaviyo. Email now drives 29% of total revenue.

Glen-L Marine has sold boat plans, kits, and marine hardware online for decades. They had built a large email list on Mailchimp. But limited automation meant the list was generating newsletters, not revenue.
Their Mailchimp account could not connect to Shopify purchase data. Every email went to the full list. Abandoned carts, post-purchase follow-ups, and win-back flows were not running. Email was a cost, not a channel.
We migrated their full list and rebuilt their automations in Klaviyo with Shopify-connected triggers. Abandoned cart, post-purchase, and win-back flows went live on day 10. Sending domain was authenticated to protect deliverability from send one.
Email went from a low-performing broadcast list to the store's second-largest revenue source. Abandoned cart recovery and post-purchase sequences now run automatically. The subscriber base they spent decades building is finally working.
Most email migration services export your list and stop there. We do not.
Other partners export a CSV and call it done. We audit every list, clean every contact record, rebuild every automation, and test every flow before your first Klaviyo send goes out.
Deliverability protected from send one
We set up your sending domain authentication, build a gradual warm-up schedule, and transfer your unsubscribe list before any email leaves your Klaviyo account. Your sender reputation arrives intact.
Flow rebuild, not flow copy
We do not paste your Mailchimp automation logic into Klaviyo. We rebuild each flow using Klaviyo's native triggers and your Shopify store events — the events Mailchimp could never access.
Zero downtime from start to finish
Your Mailchimp account stays active alongside Klaviyo until every quality check passes. Your subscribers never miss an email during the switchover.
Every phase has a verification step
Contact counts, segment sizes, and test sends are verified before each phase advances. Nothing moves forward until the previous step is confirmed correct.
Senior team runs your migration end to end
The same senior team that scopes your migration runs it. No handoff to junior staff after kickoff. One contact from audit to go-live.
Ecommerce revenue starts on launch day
We connect Shopify, set up your abandoned cart and post-purchase flows, and confirm each flow fires correctly before your first campaign sends. Revenue tracking is verified before launch.
The questions every Mailchimp brand asks before switching
Most migrations finish in 7 to 14 days. Timeline depends on list size and how many automations need rebuilding. We scope the exact timeline in your proposal before any work starts. You see the full schedule before you approve.
No. We export every contact including custom fields, tags, and segments. Then we verify the count matches your Mailchimp total before a single profile imports into Klaviyo. You sign off on the numbers before the migration proceeds.
Your automation logic transfers, but we rebuild each flow inside Klaviyo rather than copy it over. Klaviyo has triggers, splits, and Shopify event connections that Mailchimp does not support. A copy-paste approach would leave those capabilities unused. Every rebuilt flow is test-sent before go-live.
We protect your deliverability before the first email leaves Klaviyo. DKIM, SPF, and DMARC are configured in advance. Then we ramp your sending volume gradually over 2 to 4 weeks so your sender reputation builds without risking inbox placement.
We recommend keeping your Mailchimp account open for 30 days after your Klaviyo launch as a backup. Once you confirm your contacts, segments, and automations are all running correctly in Klaviyo, you can cancel Mailchimp. That 30-day overlap is your safety net.
See exactly what your migration covers before you decide.
Tell us about your Mailchimp account. We scope your migration contact by contact, segment by segment, and send you the full plan before any commitment.
Your total time commitment across the migration is 2 to 3 hours: a kickoff call to align on scope, a review of our audit findings, and a go-live approval when everything is ready. We do every other step.
You hear back within 48 hours. We send a scoped proposal within 3 days. Migration starts within 1 week of your approval.
Your Mailchimp list earns more revenue on Klaviyo. See the proof before you switch.
We scope your migration completely before you commit to anything. You see what transfers, what gets rebuilt, and your exact timeline. Then you decide. No pressure, no time limit.
Send your brief. Call in 48 hours. Proposal in 3 days. Migration starts within 1 week of your approval.