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You’ve probably heard it before: Klaviyo is one of the best platforms for eCommerce retention marketing. And it is. But here’s the thing—owning the tool isn’t the same as mastering it.
Most brands barely scratch the surface of what Klaviyo can actually do. Flows go stale. Campaigns lack cohesion. Segmentation is basic. And the result? Missed revenue, lower lifetime value, and an inbox experience that feels... forgettable.
That’s where a Klaviyo Email Marketing Agency steps in—not as a vendor, but as a strategic partner.
At Stimulate, we help brands turn Klaviyo into a true retention system. One that delivers consistent, trackable revenue. As a Klaviyo Platinum Partner, we’re not just good at the platform—we know how to make it work for fast-growing DTC businesses like yours.
What Is a Klaviyo Email Marketing Agency, Really?
Forget the textbook definition. Here’s the real answer:
A Klaviyo Email Marketing Agency is your off-site retention team. We don’t just write emails. We plan, build, optimize, and scale full retention ecosystems using Klaviyo’s tools.
Our Klaviyo managed services include everything from campaign strategy and copy to design, automation, segmentation, deliverability, and SMS.
You’ll get:
- A strategist who lives in your data
- A copywriter who understands what makes customers click
- A designer who builds high-converting emails that actually look like your brand
- And an analyst who tells you what’s working (and what to fix)
We operate like an in-house team—just faster, cheaper, and way more focused on retention.
Services That Actually Move the Needle
Alright, let’s walk through what this really looks like when we’re in your account. These are the Klaviyo agency services that move the needle and make email your top-performing channel.
1. Retention Strategy That Feels Tailored
We don’t believe in one-size-fits-all. Your strategy should reflect your brand, your product lifecycle, and your customer behavior.
That means:
- Flow architecture based on LTV segments, not just basic triggers
- Revenue forecasting to identify opportunities and gaps
- Playbooks that align email with your larger marketing goals
2. Email Copy That Converts and Sounds Like You
We write emails that feel like they came from your team—if your team had a deep understanding of conversion psychology.
Think:
- Messaging tailored by lifecycle stage
- Product education that feels personal
- CTAs that don’t shout “BUY NOW!”—but still drive sales
3. Visuals That Drive Engagement
People skim emails. Great design guides them to what matters.
We focus on:
- Mobile-first layouts
- Clear visual hierarchy
- Branded design elements that are clean but memorable
4. Campaign Content Planning That Aligns With Your Growth
We turn your marketing calendar into a strategic roadmap—not a scramble.
Here’s how:
- Align campaigns with product launches, promos, and seasonal cycles
- Balance revenue-driving sends with value-add content
- Sync your email and SMS to avoid overlap or confusion
5. Automation That Makes You Money While You Sleep
Most of your revenue should come from flows. We make sure they’re doing the heavy lifting.
- Welcome flows based on acquisition channel and product type
- Cart and browse automations tailored to customer behavior
- Post-purchase journeys that nurture, upsell, and turn buyers into repeat customers
We revisit and refine flows every quarter—because “set it and forget it” doesn’t cut it anymore.
6. Campaign Execution That’s Actually Data-Driven
Every send has a goal. We don’t wing it.
Expect:
- Custom segmentation by recency, frequency, and product interest
- Smart A/B testing that drives insights
- Detailed reporting that highlights what matters (and skips the fluff)
7. List Growth Without the Spammy Vibes
You want a bigger list. But also a better one. We get both.
- Popups that feel native to your site
- Welcome incentives that match your product margin
- Signup flows that segment users from day one
8. Deliverability So Your Emails Actually Land
Inbox placement is make-or-break. We monitor and protect it.
- Technical setup: domain authentication, IP warmup, email validation
- Deliverability audits and ongoing adjustments
- Engagement-based suppression to keep your reputation healthy
9. Reporting That Tells You What’s Next
It’s not about the dashboard—it’s about what you do with the data.
We provide:
- Campaign vs. flow revenue breakdowns
- LTV and churn insights from email behavior
- Recommendations based on patterns we see across accounts
10. SMS and WhatsApp Integration That Works in Sync
Email and SMS should work together—not compete.
Our approach:
- Shared strategy for email and SMS campaigns and flows
- Respectful frequency rules and opt-out options
- WhatsApp for international markets with high engagement
What Makes a Great Klaviyo Agency?
Spoiler: It’s not just knowing how to use Klaviyo.
A great agency knows how to:
- Translate business goals into lifecycle strategy
- Write and design for conversions and brand alignment
- Tie every email to a measurable KPI
- Know when to automate, when to personalize, and when to test
At Stimulate, we go a step further:
- We’re a Platinum Partner (less than 1% of agencies are)
- We’ve helped generate over $73M in client revenue via Klaviyo
- We bring in performance from email, SMS, and retention integrations like loyalty and subscriptions
This is full-stack retention, not a one-off service.
Want to see how retention drives profit? Explore our retention strategy services
Why Being a Platinum Klaviyo Partner Matters
Most agencies say they use Klaviyo. Few are actually certified.
Being a Platinum Partner means:
- Early access to beta features
- Priority support (aka faster solutions when things go sideways)
- Strategic alignment with Klaviyo’s internal success team
It also means we’ve been vetted, tested, and consistently deliver results. That’s not a title you buy—it’s earned.
Need to scale SMS along with email? Check out our SMS Marketing Agency services
What You Get When You Hire Stimulate
When we plug into your Klaviyo account, here’s what changes:
- You get a system, not scattered sends
- You get a plan, not just busy work
- You get a team that drives revenue while you sleep
Deliverables include:
✅ Custom strategy tailored to your brand
✅ Complete flow buildouts and refreshes
✅ Full campaign calendar + execution
✅ Copy, design, segmentation, and testing
✅ SMS + email sync for maximum impact
✅ Weekly insights and monthly growth recommendations
✅ Transparent reporting and performance reviews
You’re not hiring us to write emails. You’re hiring us to build a system that scales.
Klaviyo Isn’t the Strategy—It’s the Vehicle
Too many brands treat email and SMS like afterthoughts. But the real winners? They treat owned channels like the growth engine they are.
Klaviyo is the platform. But without a strategy, creative, and optimization plan—it’s just another dashboard.
We help brands build the kind of retention system that compounds over time.
You in? 👉 Book your Free Klaviyo Audit
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