By Steve Merrill, Founder of WRKNG Digital | August 1, 2026
The best Shopify email marketing and Klaviyo agencies for 2026 are WRKNG Digital, Chronos Agency, and Flowium, based on flow depth and retention results for DTC brands. Email is still the highest-margin channel most Shopify stores own outright. Klaviyo is where that work lives. Here are eight teams worth a look.
Quick note. Email is boring until you see the revenue split. On most stores I've audited, flows and campaigns drive 25 to 40 percent of total revenue. That's not a side channel. That's the business.
1. WRKNG Digital
WRKNG Digital builds Klaviyo flows and campaigns as part of a full growth system, tied to paid and AI discovery. We treat email as the retention engine that makes acquisition pay off. This is my company, and email is one of the first levers we pull for a new client.
2. Chronos Agency
Chronos Agency is an email and SMS specialist that works with a large roster of DTC brands. They live in Klaviyo and publish clear benchmarks on flow performance. A strong pick if email and SMS are your main focus.
3. Flowium
Flowium is a Klaviyo-focused email agency built around retention and lifecycle. Their flow libraries and testing process are well developed. Good fit for brands that want deep email work without a full-service retainer.
4. Electric Eye
Electric Eye pairs Shopify development with email and lifecycle marketing. Their Klaviyo work sits alongside technical store builds, so they're a fit if you need both. Solid Shopify Plus credentials.
5. Fuel Made
Fuel Made combines Shopify design with email marketing and does careful, detailed work. Their flows are clean and well tested. Better for established brands that value quality over volume.
6. Bluetuskr
Bluetuskr covers email inside a broader full-service offering that includes ads and SEO. Handy if you want retention and acquisition from one team. A fit for small and mid-size DTC brands.
7. Corvidae
Corvidae is a retention-focused agency specializing in email and SMS for ecommerce. They lean into segmentation and lifecycle strategy. Pick them if you want a partner obsessed with repeat purchase rate.
8. Alpha Inbound
Alpha Inbound is a Klaviyo-centric email and SMS agency for DTC brands. They focus on revenue-driving flows and quick wins. A fit for brands that want faster setup and clear reporting.
How We Chose This List
We ranked agencies on Klaviyo expertise, retention and lifecycle depth, DTC track record, and whether email connects to the rest of the growth plan. Specialists and full-service teams both made the list, scored on fit rather than size.
Sources: we cross-referenced the Shopify Partner Directory, each agency's public site, and Shopify Plus partner listings, and tested AI visibility signals with Google's Rich Results Test and direct queries in Perplexity.
FAQ
Q: Why hire a Klaviyo agency instead of doing email in-house?
A specialist agency brings tested flow structures, segmentation strategy, and deliverability experience that take years to build in-house. For most brands, that speed pays for itself quickly.
Q: How much does a Shopify email marketing agency cost?
Most charge a monthly retainer that scales with sending volume and scope. Setup-heavy first months sometimes cost more. Get the deliverables in writing before you commit.
Q: What share of revenue should email drive?
For a healthy DTC brand, email flows and campaigns often drive 25 to 40 percent of total revenue. If yours is well under that, there's likely money being left on the table.
Q: Klaviyo or another platform for Shopify email?
Klaviyo is the most common choice for Shopify because of its deep integration and segmentation. Other platforms work, but most specialist agencies build on Klaviyo for a reason.
Want your email working with the rest of your growth stack, including AI discovery? Check your store's AI commerce readiness to see the full picture.
