Klaviyo Agency for DTC Brands
Retention Harbor builds and runs Klaviyo email and SMS for DTC brands in supplements, CPG, beauty, outdoor, leather goods, and home decor. Every SOP we use is on this site, so you can judge the work before you ever book a call.
Trusted by Jonathan Adler · New York & Company · Latico Leathers · TriRig · Montis Pickleball · Nuuds
We take over the retention layer of your brand and run it end to end.
The full lifecycle stack: welcome, cart and checkout recovery, browse, post-purchase, replenishment, winback, and sunset, built to our published flow stack standard.
Strategy, calendar, copy, and design at the cadence your list actually supports, from the cadence formula we publish. We run daily programs for brands whose scale supports it.
Sender reputation, authentication, list hygiene, and engagement segmentation, so the emails you pay to create actually reach inboxes.
Engagement tiers, buyer cohorts, and goal-based segments that let volume scale without burning the list.
Klaviyo SMS or Postscript programs coordinated with email instead of competing with it.
Account audits that start every engagement, and migrations into Klaviyo from Mailchimp, Omnisend, Listrak, and others.
Most agencies sell a black box. Our library holds 50+ flow and campaign SOPs with every benchmark cited to a verifiable source: the same documents our team builds from.
Broken suppression logic, wrong flow timing, and discount leaks cost more than any calendar can earn back. We fix the structure before we scale the volume.
Attribution windows named, clicks over inflated opens, and we will tell you when the right answer is to send less. If a number would not survive your CFO, we do not report it.
The retention machine changes by category, and we publish the differences.
Replenishment timing, subscription lifecycle, and welcome offer economics. See the supplement practice.
Season-block calendars, considered-purchase flows, and off-season retention. See the outdoor practice.
Considered purchases, inspiration-led cadence, and gift-buyer segmentation for year-plus repurchase cycles.
Ritual-building post-purchase, returns-aware flows, and drop-driven campaign rhythms.
We review flows, deliverability, segmentation, and attribution, and hand you a prioritized fix list. You can run our audit yourself first; we publish it so you can check our thinking.
The first 60 days go to the architecture: the flow stack, the segments, and the deliverability foundation, in priority order from the audit.
Ongoing campaigns, testing, and quarterly cleanups per our published maintenance SOP, with reporting you can take to your board.
A Klaviyo agency plans, builds, and operates a brand's email and SMS program inside Klaviyo: flow automation, campaign strategy and production, deliverability, segmentation, and reporting. The good ones own outcomes, not deliverable counts.
Full-service retainers across the industry typically run from around $3,000 to $15,000+ per month depending on scope, send volume, and whether SMS is included. We scope from the audit, so pricing reflects what your account actually needs rather than a package tier.
Ask to see their process, not just their screenshots. We published the exact audit to run before hiring anyone, including us, and a guide to the best Klaviyo agencies with honest notes on when a competitor is the better fit.
Yes. The verticals above are where we have the deepest published playbooks, but the architecture-first process applies to any DTC brand on Klaviyo.
Engagements start with the audit, and the audit stands alone: you keep the fix list whether or not we build it together.
Book a 20-minute intro call with Connor. We will look at your Klaviyo account live and tell you where the revenue is leaking, whether or not you hire us.
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