Email and SMS retention agency

Emails your customers actually want to read

Book a free auditSee the work
  • $25M+in email and SMS revenue generated for our clients
  • 64%of MDSkin Lounge's revenue came from email and SMS in June 2026
  • $690Kfrom email and SMS for The Flower Letters in May 2026
  • Klaviyo Partner

Our clients

  • The Flower Letters
  • MDSkin Lounge
  • MD Plastic Surgery
  • Macro Friendly Food
  • Epistolary
  • Nívana
  • Keep Active Health & Wellness
  • Morgan Jewelers
  • Brockhaus Jewelry
  • Deutsch & Deutsch
  • Zorells Jewelry
  • Franne Golde
  • Pure Sol
  • V-dog
  • Edge Spray
  • Kleanway Laundry
  • E-com brands
  • Med spas
  • Fine jewelry
  • Nutrition apps
  • Apparel
  • Wellness
  • Pet food
01Work

Selected emails

Our team wrote, designed, and built every one of these, from launches and sales to welcome and post-purchase flows. Open any of them to read it top to bottom.

01 / 11

02Services

The only audience communication channel you own

You already pay to get people to your site, and our job is to turn them into subscribers and then into customers who keep coming back. We run the whole channel for you, from your first pop-up to your last flow.

01

List growth

No matter how good your emails are, they won't make money without people to send them to. We build pop-ups and sign-up forms that turn more of your traffic into subscribers, and we keep testing new versions against whichever one is winning.

See examples
02

Flows

Flows are your 24/7 sales team, and we build yours around what you sell. A story subscription gets a post-purchase series written for each story, and an apparel brand gets a browse flow that answers whether the pants will fit. They run on their own, and we keep improving them.

See examples
03

Campaigns

A campaign calendar we plan with you every month, about 80% stories and education and 20% offers and sales. Every send gets its own audience and exclusions, set before a word of copy is written.

See examples

Everything we handle

We take the whole job off your plate

We start with your integrations, connecting the software you already run on, like Shopify, WooCommerce, Zenoti, and GoHighLevel, so your flows go out when someone buys or books. Then we do the rest on our side, in Klaviyo or the platform you already use, and if you're switching platforms, we handle the move.

  • Strategy

    A plan set against your numbers and your industry's benchmarks.

  • Calendar planning

    Each month's campaigns mapped out with you before anything is written.

  • Copywriting

    Emails and texts written in your brand's voice.

  • Design

    Every email designed by our own team in Figma.

  • Implementation

    Every flow and campaign built and checked before it sends.

  • Reporting

    Last week's numbers every Monday and a full report every month.

03Flows and segmentation

Built around how each brand's customers buy

Every flow and campaign we build is pinned to one idea that gets that customer to buy, like who they're cooking for or whether a pair of pants will fit. We find that idea in the data, build the segments and logic around it, and write and design every email to land it. Here are four of them, with the emails and the results.

Pick an example

1 of 4

Flow

Browse abandonment that sells the fit

The idea

Women don't buy pants online until they're sure they'll fit, so every email answers the fit question.

Shoppers who look at a pant and leave hear the reasons women buy Franne Golde, one step at a time: sizing help, proof from 100,000+ women, the right fit, then a fit quiz. The 20% offer waits until the last steps.

The build

  • 11emails in the flow
  • 4steps
  • 3versions of each early step
  1. TriggerViews a pant, doesn't buy
  2. Sizing help
  3. Proof from 100,000+ women
  4. The right fit
  5. Fit quiz or 20% off

One email from each step

04Results

Client results

Here's what email and SMS has done for two of our longest-running clients, with numbers from our reports and videos they recorded for us.

Case study / Med spa and plastic surgery

MDSkin Lounge and MD Plastic Surgery

MDSkin Lounge is a med spa with four locations, three in Arizona and one in Utah. We run their email and SMS end to end, with three to four campaigns a week and flows tied to their booking system that follow up after every visit.

In January 2026 we took on their sister practice too, MD Plastic Surgery, and built seven patient flows that run from the first inquiry through pre-op and post-surgery care.

"We're not just receiving beautiful designs from them. They're really data driven, which is amazing. And that's something that we look for when we're bringing on a partner."
Courtney VandenbergMarketing Director, Gawley Companies
  • $564Kin closed invoices from email and SMS in November 2025
  • 64%of the clinic's revenue came from email and SMS in June 2026
  • 300+email and SMS campaigns since October 2024

Case study / Story subscriptions

The Flower Letters

The Flower Letters sends stories as letters in the mail, one chapter at a time. We run their email and SMS flows, from the welcome series to the post-purchase emails written for each story, and in May 2026 we ran their Mother's Day campaigns too.

"Since we started working with Grotto Digital, we are outperforming the market and we're outperforming ourselves, and we're just getting better."
Michael ClarkCo-founder and CEO, The Flower Letters
  • $690Kfrom email and SMS in May 2026, 52% of the month's revenue
  • $546Kof that came from automated flows
05Process

How it works

Most of the work happens on our side. Here's what the first six weeks look like, and what you can expect after that.

  1. 0130 minutes

    The audit call

    Ethan goes through your emails, flows, and sign-up forms before you meet. On the call he walks you through what he found and what he'd fix first, and you keep that list whether or not we work together.

  2. 02Week 1

    Onboarding

    We start with a kickoff call and a questionnaire about your brand and customers. Then we get into Klaviyo, set up your sending domain, and map every flow you need. Your account manager and shared Slack channel are ready on day one.

  3. 03Weeks 1 to 6

    Build

    We design your sign-up forms and build your core flows. Every email is edited, designed, and checked by our team before it reaches you for approval, and campaigns start going out while the flows are being built.

  4. 04Ongoing

    Grow

    Campaigns go out every week from a calendar we plan with you each month. Our AI tools read the results of every send, from subject lines and A/B tests to opens and clicks, so our strategists can see what's working and plan the next month around it. You get a recap every Monday and a full report every month.

06FAQ

Questions before the first call

If your question isn't here, bring it to the audit call and Ethan will answer it there.

Book a free audit

We're a retention agency for e-commerce brands, and email and SMS is our whole focus. We own the channel for you: the strategy and monthly calendar, the pop-ups and sign-up forms that grow your list, custom flows and campaigns written, designed, and built in Klaviyo, deliverability, and weekly and monthly reporting. You approve every email before it sends.

07Book a call

Let's talk

Book a free 30-minute email and SMS audit with Ethan. Pick a time, answer three quick questions about your brand, and he'll go through your emails before you meet.

On the call

  • 01A look at what your flows, forms, and campaigns are doing today
  • 02Instant improvements that can raise your revenue from email
  • 03A clear answer on whether we're a fit, and what it would cost if we are

Prefer email? Write to ethan@grottodigital.com.

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Also from Grotto

Our software

Carvr

Our team built Carvr to send Figma designs straight into Klaviyo, turning about 25 minutes of manual work per email into roughly 30 seconds. Today it serves more than 250 agencies around the world, and over 50,000 email designs have been uploaded through it.

Visit carvr.ai

Templates

Green Revolution

Our design team built 25 Klaviyo email templates for eco-conscious brands, with Figma tutorials and the AI image prompt behind every visual.

Get the templates
Green Revolution email templates