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★ Email and SMS retention marketing

Email Marketing Agency — Revenue From the List You Already Own

Email and SMS are the only channels where the audience belongs to you, which is why a properly built flow set carries real revenue at almost no media cost.

  • D2C & ecommerce
  • Fashion & apparel
  • Beauty & personal care
  • Health, wellness & nutrition
  • EdTech & coaching

Most stores install Klaviyo, switch on the default abandoned-cart template, send an occasional discount blast, and conclude that email does not work for their category. What they have measured is the default. A properly built programme has a dozen or more flows firing off real behaviour, a campaign calendar that is not purely promotional, and segments that stop the same people being mailed every week until they stop opening. The gap between the two is usually worth several percent of total store revenue.

We treat the list as an asset with its own economics: what it costs to add a subscriber, what that subscriber is worth over a year, and how much of that value the current programme leaves on the table. That framing decides what gets built first. Deliverability comes before volume, because a list that lands in spam cannot be fixed by sending more of it, and revenue per recipient comes before open rate, which stopped being a dependable number once mail clients began pre-loading images on the recipient's behalf.

₹49Cr+Tracked revenue across Shopify accounts
12Documented Shopify case studies
32+Brands worked with across categories
Who this is for

Is this the right fit?

  • Shopify and WooCommerce brands sitting on a list they barely mail
  • Stores where Klaviyo is installed but only the default flows are live
  • Brands with strong acquisition and a weak repeat-purchase rate
  • Senders whose mail is being filtered or landing in spam
  • Consumable and subscription brands where reorder timing decides the month
Scope

What email & sms marketing includes

Deliverability and account audit

Sending domain authentication, DMARC policy, list hygiene, sunset rules and current inbox placement reviewed before anything goes out. Sending more from an unauthenticated domain to a stale list makes the position worse rather than better.

Lifecycle flow build

Welcome, browse abandonment, cart and checkout abandonment, post-purchase, replenishment, winback and back-in-stock, each branching on first-time versus repeat buyer and on product category instead of one generic message for everybody.

Campaign calendar

A monthly plan mixing offers with things people open when they are not buying: launches, education, restocks and seasonal moments, sized so the list is mailed often enough to matter and rarely enough to survive.

Segmentation model

Engagement tiers, purchase history, predicted reorder date and category affinity built into reusable segments, so each send reaches the people it applies to rather than every address you have ever collected.

SMS layer

SMS used only where it earns its higher cost, on order updates, time-bound offers and cart recovery, with consent captured properly and frequency held low enough that opt-outs stay flat month to month.

Revenue reporting

Flow and campaign results reported as revenue per recipient and share of total store revenue, with the attribution window agreed up front so email is not quietly claiming orders paid media also claims.

Process

How we run it

  1. Audit

    Review the account, the deliverability position, list quality and what the live flows actually earn, then quantify the gap against what a list that size should produce.

  2. Fix the foundations

    Domain authentication, DMARC, sunset policy and profile data cleanup, so that everything sent afterwards has a chance of reaching an inbox.

  3. Build the flow set

    Ship the highest-value flows first, normally welcome and checkout abandonment, then extend into post-purchase and winback once the base is earning.

  4. Run the calendar

    Campaigns planned a month ahead, written, built and scheduled, with subject-line and offer tests run only on segments large enough to read.

  5. Review and prune

    Monthly review of flow-level revenue, with weak steps rewritten or switched off. Flows decay quietly because almost nobody opens them again after launch.

Deliverables

What you actually get

  • Deliverability and account audit document
  • Authenticated sending domain with a DMARC policy in place
  • Built and tested lifecycle flow set
  • Reusable segment library
  • Monthly campaign calendar with produced emails
  • SMS consent capture and message templates
  • Flow-level and campaign-level revenue reporting

How pricing works

Monthly, sized by how many flows are under management and how many campaigns a month you want produced. The first build is heavier than the months that follow, so it is normally quoted as a setup project with a smaller ongoing fee behind it. Our published starting prices, including the figure for a single managed channel, are on the pricing page. The Klaviyo subscription is billed to you directly and the account stays yours.

See starting prices →
Also covered

Questions and topics this covers

Common searches we answer
  • — best email marketing agency for Shopify
  • — how much does email marketing cost in India
  • — Klaviyo flow setup services
  • — top email marketing agency for D2C brands
Concepts we work in
  • Klaviyo
  • welcome flow
  • abandoned cart flow
  • segmentation
  • deliverability
  • DMARC
  • revenue per recipient
  • list growth
Answers

Email & SMS Marketing: frequently asked

Does email marketing still work for Indian D2C brands?

Yes, though the mechanics differ from Western benchmarks. Indian lists skew heavily to mobile Gmail, discount sensitivity is higher, and a large share of buyers would rather handle anything transactional on WhatsApp. Email still carries launches, education and winback well, and the cost per send is close to nothing. Expect a solid contribution to revenue rather than the outsized numbers quoted in American case studies.

How much of our revenue should email and SMS drive?

There is no number we will promise you, and the commonly quoted benchmarks are worth less than your own baseline. What matters is the trend in your own account: revenue per recipient, the share of orders attributable to flows rather than campaigns, and whether repeat purchase rate is moving. We measure those from the first month so the target is set against your list, your margin and your category rather than someone else's screenshot.

Why is our mail going to spam or the Promotions tab?

Usually authentication and reputation rather than content. Check SPF, DKIM and a published DMARC policy on the sending domain, whether you are still mailing subscribers who have not opened in a year, whether the list was bought or bulk-imported, and how often complaints are being filed. Promotions is normal placement for marketing mail and is not itself a fault; the spam folder is.

Is open rate still a useful metric?

Not as a primary one. Apple's Mail Privacy Protection pre-loads images for its users, which inflates reported opens, and other clients do comparable things. Use it for rough comparisons inside a single segment if you like, but judge campaigns on clicks, conversions and revenue per recipient, and judge flows on revenue per recipient tracked over months rather than weeks.

How much does an email marketing agency cost in India?

It depends on the number of flows under management and how many campaigns you want each month. Our published starting point for one managed channel is ₹25,000 a month, with the initial build quoted separately because it is front-loaded work. The platform subscription is billed to you by Klaviyo and scales with list size, so it belongs in your budget rather than in our fee.

Want email & sms marketing run properly?

Tell us your numbers: spend, revenue, margin, current cost per result. We will tell you where the constraint actually is before anyone talks about a retainer.

  • ₹50Cr+ ad spend managed
  • 32+ brands scaled
  • 12 documented Shopify case studies
  • You keep account ownership