Build email into your #1 revenue channel.
InboxBuilder is a done-for-you email and SMS studio for ecommerce brands. We design the flows, run the campaigns, and grow the revenue you actually keep.
5.0 from 40+ brands
Email that does your brand justice.
ShowreelThe ecommerce brands we build for
of revenue from email & SMS, on average
average return in the first 90 days
emails & texts sent for our brands
A look at emails we've built
Every send designed from scratch around the brand - never a stock template dropped into an inbox.
Welcome flowSeasonal saleProduct launch
Abandoned cart
Early access
LookbookEverything your email program needs, built and run for you
Pick the piece you need, or hand us the whole channel. Either way, a senior team builds it properly.
Lifecycle flows
The automated emails and texts that sell while you sleep - built once, earning every day.
- Welcome, cart & browse
- Post-purchase & win-back
- Built in your design system
Managed campaigns
A planned calendar of on-brand campaigns, designed and scheduled so you never scramble for a send.
- Monthly campaign calendar
- Designed every send
- Built & scheduled in Klaviyo
Klaviyo setup & migration
Move to Klaviyo cleanly, or fix the setup you already have - so the data and deliverability are right.
- Migration & integration
- Deliverability & list health
- Segments & reporting
Why brands switch to InboxBuilder
Most email agencies sell volume. We sell a channel that looks like your brand and pays for itself.
How we get started
Free audit
Send us your store. We tear down your current email - design, flows and inbox placement - and show you the three things we would change first.
We build
We design your email system, build the core flows, and map a campaign calendar - all in your Klaviyo, ready to send.
We grow it
We run the campaigns, test relentlessly, and report on the revenue each flow and send actually earns, month after month.
Simple monthly pricing
One flat fee. No percentage of your revenue, no long contracts. Cancel any time.
Flows
For brands that need their core automations built and running properly.
- Core flows built & live
- Email design system
- Monthly revenue reporting
Growth
Flows plus a full campaign calendar - our most popular plan for scaling brands.
- Everything in Flows
- 8-12 campaigns a month
- A/B testing & segmentation
- SMS add-on available
Full-service
Email, SMS and strategy, fully managed by a dedicated team.
- Everything in Growth
- Dedicated strategist
- SMS + reporting dashboards
- Quarterly planning
What founders say
“Our flows went from an afterthought to a third of revenue in a single quarter. The emails finally look like us.”
Hannah W.
“First studio that actually designed our emails instead of dropping us into a template. The difference showed up in the numbers fast.”
Marcus T.
“Clear monthly price, a senior team that knows Klaviyo, and reporting that finally ties back to revenue, not opens.”
Priya S.
Questions, answered
How fast can you start?
Most brands are onboarded within a week, with the first flows or campaigns live inside the first two to three weeks.
Do you work in our Klaviyo or yours?
Yours. We build and run everything inside your account, so you keep full ownership of your data, flows and audience.
Is there a long contract?
No. We work month to month. We would rather earn the next month than lock you into a year.
Do you do SMS as well as email?
Yes. SMS works best alongside email, so we plan the two together across flows and campaigns.
What size brand do you work with?
Mostly growing ecommerce brands doing six to eight figures a year, on Shopify and Klaviyo.
How do you report on results?
Every month you get a clear report tying flows and campaigns to revenue and repeat rate - never opens on their own.
Ready to build email into a real channel?
Get a free teardown of your current email - design, flows and inbox placement. No contract, no pressure, the findings are yours to keep.
5.0 from 40+ brands