Retention marketing for eCommerce
Your email list is worth more than you think.
We turn your email and SMS into a real revenue channel. Honest expectations, no inflated promises. You only pay when it works.
What we do
Everything your retention needs, handled.
Email Marketing
Campaigns and newsletters your customers actually want to open, built to drive repeat sales.
SMS Marketing
Short, well-timed messages that turn into revenue without annoying your list.
Automated Flows
Welcome, abandoned cart, post-purchase and win-back sequences that earn money around the clock.
Strategy & Audit
A clear, honest plan for where your revenue is hiding and how we'll go get it.
The numbers
We obsess over revenue, not vanity metrics.
Open rates are nice. Revenue pays the bills. Every number is measured with tight, honest attribution.
Built for brands ready to scale retention seriously.
Generated in client email & SMS revenue
Client retention. We've never lost one.
Average revenue lift across our clients
Our work
The emails behind the numbers.
Real campaigns and flows we've shipped. Open one to see the creative and the result it drove.
Voana <hello@voana.com> · to engaged subscribers
Yes, it actually works — real results from real women.
A selection of work designed for brands we partner with, currently or in the past.
A note from the founder
You work with us, not a junior.
Most agencies hand you off to a junior account manager the moment you sign. We don't work that way. We're a tight team of 12 specialists. Small enough that you work directly with the people actually running your account, big enough to deliver at a high level. And because we're paid on the revenue we generate, not a flat retainer, we only win when you win. That keeps us honest, and it keeps us hungry. If that sounds like the kind of partner you've been looking for, let's talk.
Robin Coumans
Founder, RetenlyLab
How we charge
We only get paid when you make money.
Most agencies charge a fat retainer whether they perform or not. We don't. We take a capped commission on the revenue we actually generate. Great month or slow month, our pay always matches your results.
No monthly retainer
You're never paying a flat fee whether we perform or not.
Capped percentage
We agree an upper limit up front, so you never overpay.
Pay only on results
We earn a commission on the revenue we actually generate for you.
See the math
What email could add to your store.
Extra revenue we'd aim to add each month
+$53,440/mo
Your new projected monthly revenue
$253,440/mo
Based on our average client result of a 26.72% revenue lift. Your real numbers depend on your list and setup. You'll get a real projection on your free audit.
How it works
Start with a free audit. No strings.
The audit
Already on Klaviyo? I'll go through your setup personally and show you where you're leaving money on the table. Not set up yet? I'll map out a plan to get you there.
The plan
An honest picture of what's realistically possible. No big promises, just what we can actually do.
We build
Campaigns, flows and templates designed around your revenue, not a template.
We grow it
We test, refine and compound results month after month.
In their words
What our clients say.
We'd been burned by two agencies before RetenlyLab. The difference? We actually talk to the people doing the work, and the results showed up in the first month.
No retainer meant no risk for us. They had every incentive to actually perform, and they did. Email went from an afterthought to our second-biggest revenue channel.
What sold me was the honesty. No inflated promises, just a clear plan and numbers that held up. They've more than earned their keep.
FAQ
The questions you're probably asking.
No monthly retainer. We take a commission on the revenue we actually generate for you, with a capped percentage agreed up front so you're never overpaying. Great month, we both win. Slow month, you're not stuck paying for results that didn't come. Book a free audit and we'll walk you through the exact numbers for your brand.
See what your list is really worth.
Book a free audit and I'll personally walk through your account. Just starting out? I'll look at your business and show you where the revenue is. No pressure, no obligation.
Get your free audit