Ecommerce Email Marketing Agency That Drives Revenue, Not Vanity Metrics

Most ecommerce brands know email should be driving 30–40% of their revenue. The reality? Most are stuck at 10–15%, leaking money through broken flows, inconsistent campaigns, and a Klaviyo account that's running on autopilot.

Flypost is the ecommerce email marketing agency that fixes that. We build Klaviyo-powered email and SMS programs that turn your subscriber list into a predictable revenue channel—with flows that recover abandoned carts, campaigns that actually get opened, and segmentation that treats your best customers differently than everyone else.

Not sure if your brand is ready for an agency? Take the Email Marketing Fit Check to find out in 60 seconds.

Who We Work With

We work with ecommerce and DTC brands doing $1M–$50M+ in annual revenue. Our clients sell everything from bikes and bagels to vinyl records and wine—but they share a few things in common:

• They're on Shopify (or Shopify Plus), BigCommerce, WooCommerce, Magento, Custom Platforms and using Klaviyo for email, or know they should be.
• Email is underperforming. Revenue attribution is low, flows are outdated or missing, and campaigns are inconsistent.
• They don't have the bandwidth to build and manage a full email/SMS program in-house.
• They want a partner, not a vendor. They need someone who understands ecommerce unit economics, not just email templates.

If that sounds like your brand, we should talk. If it doesn't, we'll tell you—we'd rather be honest upfront than waste your time.

What an Ecommerce Email Marketing Agency Actually Does

There's a gap between "we send emails" and "we build a retention engine." Here's what working with Flypost looks like:

Lifecycle Flow Architecture

We build the automated flows that run 24/7 and generate revenue while you sleep. Welcome series, abandoned cart recovery, browse abandonment, post-purchase sequences, winback campaigns, and VIP tracks—all built in Klaviyo with proper triggers, splits, and dynamic content.

This isn't set-it-and-forget-it. We optimize flows monthly based on performance data, test subject lines and timing, and layer in SMS touchpoints where they move the needle.

Campaign Strategy & Execution

Flows are the foundation. Campaigns are how you stay top of mind and drive revenue spikes. We plan, design, write, and send 2–8 campaigns per month depending on your calendar—product launches, seasonal promotions, content drops, and segmented sends that keep engagement high without burning your list.

Segmentation & List Management

Blasting your entire list with every email is the fastest way to kill deliverability and annoy your best customers. We build Klaviyo segments based on purchase behavior, engagement level, customer lifetime value, and product affinity—so the right message reaches the right person at the right time.

SMS Marketing

SMS isn't a replacement for email—it's a force multiplier. We integrate SMS into your Klaviyo flows and campaigns through Postscript, coordinating send times and messaging so the two channels complement each other instead of competing. All TCPA-compliant, always.

Deliverability Monitoring

None of this matters if your emails land in spam. We monitor inbox placement, manage sender reputation, and handle DMARC/DKIM/SPF authentication so your messages actually reach the inbox. Check your email authentication setup with our free tool.

Creative & Email Design

We design emails that look like your brand and convert like direct response. Clean layouts, mobile-first design, and copy that speaks to ecommerce buyers—not generic marketing speak. Every template is built for Klaviyo and tested across email clients before it goes live. See examples in our email design portfolio.

Real Results From Real Ecommerce Brands

We don't use made-up numbers or hypothetical case studies. These are actual results from brands we've worked with:

Brand	What We Did	Key Results
Lofi Girl	Built Klaviyo program from scratch—flows, campaigns, SMS, list growth strategy	$130K+ in email revenue · 64% increase in annual email/SMS revenue · 3.2x abandoned cart revenue · 173% boost in click rate
Linus Bikes	Rebuilt lifecycle flows, seasonal campaigns, abandoned cart optimization on custom cart	$270K in email-attributed revenue · 42% Klaviyo revenue attribution · 150% sales growth · $67K in abandoned cart revenue
Western Bagel	Launched Klaviyo email program—campaigns, flows, repeat purchase strategy for LA food brand	Increased repeat orders and customer retention through automated flows
Corner 103 Wine	Wine club email marketing—release campaigns, automated flows, seasonal promotions	Grew wine club revenue through Klaviyo campaigns and automation
Taylor Lane Coffee	Coffee subscription email strategy—welcome flows, replenishment, retention campaigns	Increased subscriber engagement and repeat purchase rate
Old School Tees	DTC apparel email program—browse abandonment, product drops, segmented campaigns	Grew email revenue through Klaviyo flows and targeted campaigns

See all of our work on the case studies page.

How Working With Flypost Works

We don't do cookie-cutter onboarding or 47-slide strategy decks that collect dust. Here's how engagements typically run:

Why Ecommerce Brands Choose Flypost Over Other Agencies

We're ecommerce-only. We don't work with SaaS companies, local businesses, or anyone who isn't selling products online. Every strategy, flow, and campaign we build is designed for ecommerce conversion mechanics.

We're Klaviyo and Shopify natives. We're a certified Klaviyo agency partner. We know the platform inside and out—advanced segments, custom events, Shopify data syncs, predictive analytics. We also work with Postscript for SMS and Commerce7 for wine brands.

We measure everything in revenue. Open rates and click rates matter, but they're not the goal. We track revenue per recipient, flow revenue, campaign revenue, and overall Klaviyo attribution percentage. If the number isn't going up, we change the approach.

We're a small, senior team. No account managers who don't understand email. No junior strategists learning on your account. You work directly with experienced email marketers who've built programs across food & beverage, DTC fashion, bikes, wine, music, and more.

We actually tell you if you're not ready. If your brand isn't at the stage where an agency makes sense, we'll say so. We'd rather point you in the right direction than take your money and underdeliver. Take the Email Marketing Fit Check for an honest assessment.

Platforms We Work With

Our core stack is Klaviyo + Shopify + Postscript. We're a certified Klaviyo agency partner with deep expertise in advanced flows, custom events, and Shopify data integrations. For wine brands, we also build Klaviyo programs on Commerce7.

Industries We Specialize In

Food & Beverage — Western Bagel, Taylor Lane Coffee. Replenishment flows, seasonal campaigns, and loyalty programs that drive repeat orders in a category where timing matters as much as the message.

DTC Lifestyle & Apparel — Lofi Girl, Old School Tees. Product drops, merch launches, and brand storytelling flows that turn fans into repeat buyers.

Bikes & Outdoor — Linus Bikes. High-AOV products that need considered purchase flows, seasonal promotions, and strong post-purchase sequences.

Wine & Spirits — Corner 103, plus multiple Sonoma and Napa wineries. Age-gated flows, wine club campaigns, tasting event promotions, and compliance-aware messaging.

Frequently Asked Questions