Klaviyo email & SMS
for ecommerce brands

Run inside your own Klaviyo account. Campaigns planned, written and designed, all twelve core flows built, a new split test every week, deliverability and list hygiene handled.

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Trusted by 80+ ecommerce brands
PlayEasy CulaBaby FLOWER Hair Tools Blindster Bylders Harry Josh R.Riveter InStyler Gloss It Rastelli's Golden Discs Balega ZEYA Advanced Derm America & Beyond BAOBAB Bold Bunny California Sock Co Candy In Bulk
34 St John Enniskinn Captains Club Checkpup Crybaby Wax Dr Smood Emerson & Oliver Feat Go-Lacta Habit Cosmetics Hunting Season JUL Kits Lily Trotters Lily Vogue Lole LUNE + WILD Maison Rue Kid
Shams Al Sahil Wholesale Blank Supplies Max Warehouse MetalPlex mima Mirai Clinical MKF Collection MOSS Moxie Orwell + Austen Outfigured Pet's Table Signature Lacrosse Silly Santa SnowySkin Special Supplies Stork Exchange Suru Tail Activewear
The Reflective UNDRGOODS Vinyl8 VitaminEnergy Vant Panels We The Wild Well Gummies Winternational Zure Birdie Boss Caliante Fazit iD inspo Johanna Ortiz Joy Wallet Lean Caffeine Macro Plate

Hear it from the founders.

“It's been the best money I've ever spent.”

“He's taken so much off my plate. The results have been incredible.”

Vanessa · Founder, Maison Rue

“Working with Sam has been absolutely brilliant.”

“Now all of that stress has been taken away from me.”

Sarah Kelly · Founder, PlayEasy

“I couldn't recommend him more.”

“He created the right flows, the right systems, the tools that would speak to each other to make my job a lot easier.”

Liadhán Collins · Founder, CulaBaby Sleep and Wellness

What we find in the accounts we audit.

Campaigns
Sent in bursts. Then nothing.

Consistency is the whole game.

Flows
Flows that overlap.

Two flows chasing the same person.

Flows
Emails that hurt more than they earn.

Killing deliverability, making nothing.

Flows
Flows that stop too early.

The last email still converts at 1%+. Then it ends.

Welcome
A welcome series that forgets the offer.

Email one: the offer. Email two: the brand story.

Deliverability
Blast everyone, or hide from them.

One kills deliverability. The other leaves money on the table.

Signup forms
Testing the button colour.

10% off vs 11% off. Not the offer. Not the timing.

The map
Nobody knows which flows are paying.

The old flow beat the new one. Nobody turned it back on.

There are a hundred more like these sitting in the account right now. Each one is money.

Everything we do. All of it, every week.

Campaigns
  • A calendar mapped to your products, holidays and the season
  • Written, designed and sent for you, every week
  • Segmented by buyer type and engagement, and A/B tested
Individualized flows
  • The foundations first: all twelve core flows
  • Then split by category, product type or buyer persona
  • So every message gets more potent, not more generic
Reporting
  • A report and an audit, every single week
  • A live dashboard, synced every day
  • Every decision comes from what the numbers said this week
Deliverability
  • SPF, DKIM and DMARC set up and monitored
  • Inbox placement checked every week
  • Weekly list hygiene: bounces out, dormant addresses suppressed
Signup forms & offer testing
  • Forms A/B tested every week: copy, design, timing, trigger
  • Spin-the-wheel vs % off vs $ off vs quiz. Whatever captures the most emails
  • Quiz answers feed straight into segments and welcome paths
Design, brand & voice
  • Every email custom-designed for your brand, hand-coded
  • Every piece of brand-voice feedback becomes an automated QA rule every email has to pass
  • You never see the same mistake twice

Twelve flows. Every trigger covered.

Every moment a customer acts on, covered by a sequence, not a reminder. Each one runs for as long as its last email still converts, and is re-audited every month.

Welcome
Joins the list
The offer they signed up for, delivered, then sold again until it expires.
trigger···buys
Browse Abandonment
Views a product, leaves
The product they looked at, then why buy from you, then what is trending.
trigger···buys
Abandoned Cart
Adds to cart (Shopify event)
Reminder, reasons to buy, a discount with a deadline, a last chance.
trigger···checks out
Abandoned Checkout
Starts checkout, leaves
Same shape, tighter timing, straight back into their own checkout.
trigger···buys
Post-Purchase
Places an order
Thank you, what to expect, support, and where to find you.
trigger···sequence ends
Post-Purchase · first order
First order ever
A first-time buyer gets a different thank-you, and the products that go with theirs.
trigger···sequence ends
Post-Purchase · repeat
Second order or later
A repeat buyer is acknowledged as one, then asked for a review.
trigger···sequence ends
Bounce-Back
Places an order
Add to the order before it ships. One email, one short window.
trigger···window closes
Review Request
Places an order
Asks for the review at the right moment, and nothing else.
trigger···sequence ends
Cross-Sell
Bought, some time ago
What goes with what they bought, then a limited-time discount on it.
trigger···sequence ends
Win-Back
No second order in 45 days
An intro, a discount with a 48-hour deadline, and a last chance.
trigger···buys
Sunset
Unengaged for months
Wins them back or lets them go, so the unengaged stop hurting deliverability.
trigger···re-engages or out
Written, designed and built live in your Klaviyo
Re-audited every month
Extended while the last email still converts

What a flow actually looks like.

A real cart flow we built. Trigger, exclusions, timed sends, exit conditions.

Added to Cart
exclusions checked
wait 4 hours
01Reminder
wait 20 hours
02Reasons to buy from you
wait 1 day
03Discount with deadline
wait 2 days
04Last chance
Order placed
The trigger

Fires on Added to Cart from Shopify, not Klaviyo's own event. Klaviyo's version misses most real carts.

The exclusions

Skipped if they've already ordered since the trigger, if they're already in this flow, or if they've bought in the window. Nobody gets chased for something they bought.

The waits

Hours, not days, on the first send. Then it widens to 4h, 20h, 1d, 2d, so the discount lands after two attempts without one.

The exit

Buying ends the flow immediately. No email after the purchase, no discount to someone who already paid full price.

And all twelve are built this way

Every flow gets its own triggers, filters, timings and exits. And it keeps going while the last email still converts.

Most accounts aren't empty.
They're patchy.

Flows that overlap. Flows that stop two emails in. No map of which ones are paying.

Today
Your Klaviyo account
Welcome stops at 2Browse offCart two of themCheckout 2 emails
Post-Purchase 1 emailFirst orderRepeat buyerBounce-Back
Reviews hurts deliverabilityCross-SellWin-Back old one was betterSunset
Set up, on paper. Overlapping, too short, never measured.
The build
With us
Your Klaviyo account
WelcomeBrowseCartCheckout
Post-PurchaseFirst orderRepeat buyerBounce-Back
ReviewsCross-SellWin-BackSunset
12 of 12. Mapped, measured, re-audited every month.
The money is in the emails that were never added, and the one that should be switched off.

More revenue from the list you already have.

The sends most agencies charge extra for, or never run.

Follow-up resends
Every campaign, sent twice.

Re-sent to everyone who didn't open, with a fresh subject line. Unlimited, no extra charge.

Plain-text broadcasts
Sprinkled through the month.

Short notes from the founder. They land in the primary inbox and lift deliverability for everything else. Unlimited.

SMS
Set up on day one. Unlimited.

The same segments we build for email: VIPs, first-time vs repeat, engaged vs lapsed.

Growing your SMS list
Pop-ups per customer type.

Different pop-ups for different visitors, campaigns that move email subscribers onto SMS, and an opt-in banner in every email.

Every email in one place. You approve it there.

Your own login. Every campaign and flow email lands here before it sends: preview it, approve it, or tell us what to change.

portal.mailsiege.com/reviews
The client portal's review list: emails waiting on you and emails awaiting your review
Reviews. What is waiting on you, what is ready for your review, and what changed since the last version.
portal.mailsiege.com/calendar
The client portal's campaign calendar for the month, each send with its status
The calendar. Every send for the month, from in production to sent. Move a date yourself.
portal.mailsiege.com/flows/post-purchase
A post-purchase flow in the client portal: each email in sequence with its wait, ready to review
Every flow, email by email. The waits, the sequence, and each email ready to review.

Shown on our demo account. Sample store, our own designs.

After the first order, nobody gets the same email.

We set up the foundations first, then split them by what was bought and who bought it. A first-time buyer, a repeat buyer and a buyer of a different product each get their own path.

  • First order: a different thank-you, and the products that go with theirs.
  • Repeat buyer: acknowledged as one, then asked for a review.
  • Bounce-back: add to the order before it ships. One email, one short window.
  • Cross-sell: what goes with what they bought, then a limited-time discount on it.

We run the whole thing. You approve.

What we do
  • Plan the calendar to your products and the season
  • Write every email, subject line and preview
  • Design every email, custom for your brand
  • Segment every send by buyer type and engagement
  • Resend every campaign to non-openers
  • Plain-text and SMS, unlimited
  • Build all twelve core flows, re-audit them monthly
  • A new split test every week
  • Deliverability: SPF, DKIM, DMARC, inbox placement
  • A/B test the signup forms
  • Weekly list hygiene, segments rebuilt monthly
  • A report and an audit every week
What you do
  • One kickoff call
  • Give us Klaviyo access
  • Approve every email before it sends
  • Mark up anything you want changed
You own all of it. Your account, your logins, your data. Cancel anytime.

Designs in your inbox within 48 hours.

No slow ramp, no month of discovery. This is what happens the moment you sign on.

DAY 1
Kickoff call & brand download
A deep questionnaire on your customers, products and brand. Recorded, transcribed, and turned into the angles for the very first split tests.
DAY 1
Audit, deliverability & first segment
Your Klaviyo audited, deliverability fixed straight off the bat, and your first core segment built so the first sends land with the right people.
DAYS 1–2
Voice-of-customer mining
Every review and every social comment combed for the exact words your customers use. Then we write in their language, not ours.
DAYS 1–2
Offers & best-seller audit
Your offer structures mapped and your best-selling products and categories audited, so we promote what actually moves.
BY DAY 2
First designs ready
Your first campaign templates designed and in front of you within 48 hours of kickoff, built on the call, your reviews and your best-sellers.
ON APPROVAL
Campaigns go live
The moment you approve the first template we're rolling: designed campaigns, plain-text, SMS and resends on a live calendar, each feeding the next split test.
We do itTogether
Nothing goes live without your approval
Your Klaviyo, your account, your logins
The first split tests come out of the kickoff call

This is what we'll do for your account.

We read your Klaviyo account through our own audit software and Sam walks you through what it found. Here is a full example, built on a sample store. Click through it.

  • Where your email revenue comes from: flows, campaigns and SMS
  • A 24-point checklist: flows, campaigns, forms, deliverability, list and SMS
  • Every flow, email by email, and what each one is earning
  • What to fix first, and what it is worth
Example audit, slide one: where the store's revenue comes from Example audit: the 24-point checklist Example · sample store

Three ways to work with us.

Build it once, have us run the whole thing, or just have us look at it first.

One-time build
One payment not a retainer

For brands whose flows were never built properly. We design and write 52 emails across your nine core flows, set them up in your Klaviyo, and hand them over.

  • 52 emails across your nine core flows
  • Welcome, abandoned cart, abandoned checkout, browse, post-purchase, cross-sell, win-back, VIP and sunset
  • Copy, design and build, all done for you
  • Set up live inside your own Klaviyo account
  • Custom designed for your brand and hand-coded, not a template
  • Three rounds of revisions
Book a Call
Ongoing management
Monthly retainer

For brands that want the whole thing run for them. We become your in-house email team: campaigns, flows, split testing, signup forms, deliverability and reporting, every week.

  • Campaign calendar planned, written, designed and sent for you
  • All twelve core flows built, then re-audited every month
  • A new split test every week across flows, campaigns and forms
  • Signup forms A/B tested weekly: copy, design, timing and trigger
  • Deliverability managed: SPF, DKIM, DMARC and inbox placement
  • Weekly list hygiene, suppression and engagement tiers
  • Segments rebuilt monthly by buyer type and engagement
  • Weekly reporting on revenue by flow, campaign, segment and product
  • You approve every email before it sends
Book a Call
Free audit
Free no obligation

Not ready to hire anyone? Have us look first. We run your account through our own software and Sam goes through what it found with you himself.

  • Your Klaviyo account run through our own audit software
  • Account structure, segmentation and suppression reviewed
  • Every flow checked for what is missing and what is misfiring
  • Deliverability checked: SPF, DKIM, DMARC and list health
  • Sam goes through the findings with you personally
  • You keep the written audit either way
Get the Free Audit

Let's look at your account.