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RetainFLOW

Retention marketing. Live.

RetainFLOW

You already paid for these customers.

RetainFLOW is a retention marketing studio for ecommerce and DTC brands that builds and runs email, SMS and WhatsApp lifecycle flows on Klaviyo and Shopify, and reports incremental revenue measured against a holdout group.

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WhatsApp
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one plan, three channels

RetainFLOW by the numbers

9lifecycle flowsStandard build
3channels in one planEmail, SMS, WhatsApp
14days to liveMeasured by week four
11report documentsFrom teardown to Monday update

Source: retainflow-site.vercel.app, October 2026.

How it works

  1. 01

    Teardown

    Subscribe, buy, abandon a cart and map what the account actually sends. The findings are handed over either way.

  2. 02

    Plan

    Flow architecture, segment logic, sending calendar and design direction signed off before anything is built.

  3. 03

    Build in 14 days

    Core flows rebuilt or written from scratch, pop-up live, deliverability cleaned up, first campaigns queued.

  4. 04

    Measure against a holdout

    A randomised slice of the list is held back, so the report shows revenue that would not have existed otherwise.

About RetainFLOW

What is RetainFLOW?

RetainFLOW is a retention marketing studio for ecommerce brands that builds email, SMS and WhatsApp flows to turn one-time buyers into repeat customers. It is being built by Harissh Bhat.

How does RetainFLOW measure results?

RetainFLOW holds out a randomised slice of the list from a flow or campaign and compares the two groups, so it reports incremental revenue rather than platform-attributed revenue.

How long does a RetainFLOW build take?

Core flows go live in about 14 days, with reporting measured by week four.

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