Retention Control

Insights

Notes from inside live Shopify accounts.

What we find in retention audits, what we test, and what actually moved revenue — written by the people who build the flows, not a content team.

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34 articles on retention, email and SMS.

Every piece is written from work on live accounts. No guest posts, no syndication.

  1. 01

    BFCM 2026 Planning Timeline: Dates, a 90-Day Retention Calendar and Offers That Protect Margin

    • BFCM
    • 7 Sep 2026

    BFCM 2026 runs from Black Friday on 27 November to Cyber Monday on 30 November, and the retention work that decides whether those buyers come back starts about 90 days earlier. This guide is…

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  2. 02

    Customer Lifetime Value (CLV): The Shopify Growth Guide

    • Retention Strategy
    • 5 Sep 2026

    Most Shopify brands can tell you their ad spend down to the dollar, but ask them what a single customer is worth over time and the answer gets vague fast. That gap is exactly…

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  3. 03

    BFCM Retention Flows: The Complete Klaviyo Setup Guide(2026)

    • Klaviyo & Platforms
    • BFCM
    • 4 Sep 2026

    Most Shopify brands walk into BFCM with a promo calendar and a hope. Campaigns get written, discounts get scheduled, and then the sale opens and the inbox goes quiet the moment someone doesn’t click…

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  4. 04

    Klaviyo Flows for Shopify: The Complete Guide to Email & SMS Automation

    • Klaviyo & Platforms
    • 3 Sep 2026

    If you’re running a Shopify store, Klaviyo flows for Shopify are the single biggest lever you’re probabl underusing. Here’s a number that should bother you: the average Shopify store loses 97-98% of its visitors…

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  5. 05

    BFCM Retention Strategy: What to Set Up Before Black Friday to Keep the Customers You Win

    • BFCM
    • 31 Aug 2026

    Learn how to build a BFCM retention marketing strategy that turns one-time holiday buyers into repeat customers with proven email and SMS flows.

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  6. 06

    Retention Marketing: A Complete Guide to Keeping Customers Engaged

    • Retention Strategy
    • 19 Aug 2026

    Getting a customer to make a first purchase is an important achievement, but it is only the beginning of the customer relationship. Businesses that want sustainable growth also need to encourage existing customers to…

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  7. 07

    Which email marketing services work well with Shopify?

    • Klaviyo & Platforms
    • 26 Jul 2026

    You’ve tried a platform or two, something felt off, and now you’re not sure whether the problem is the tool or your setup. The email marketing services that get recommended everywhere don’t all behave…

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  8. 08

    We tested asking for the email last instead of first. It roughly doubled opt-ins on its own.

    • Email & SMS
    • 26 Jul 2026

    We tested asking for the email last instead of first, and it roughly doubled opt-ins on its own. A ecommerce retention marketing Community thread posted this result and the replies mostly argued about whether…

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  9. 09

    Are fullscreen popups actually back, or are we just rebranding intrusive popups with better UX?

    • Email & SMS
    • 26 Jul 2026

    Are fullscreen popups actually back, or are we just rebranding intrusive popups with better UX? A thread on ecommerce retention marketing Community raised this exact question and never got a straight answer. Brands are…

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  10. 10

    Best Retention Marketing Agencies for eCommerce in 2026

    • Retention Strategy
    • 20 Jul 2026

    Short answer: the best retention marketing agencies for ecommerce in 2026 are Retention Control, Sticky Digital, Propel, Flowium, Andzen, Tinuiti, BMO Media and Stimulate Agency, each described below from its own website. Retention Control,…

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Start here

The guides, not the blog posts.

Three pages that answer most of what brands ask before the first call.

  1. 01

    Retention marketing guide

    What retention marketing covers, the five service lines, and where each flow sits in the lifecycle.

  2. 02

    The ten automated flows

    Every flow explained: its trigger, its job, and the mistake that stops it working.

  3. 03

    Retention ROI calculator

    Enter order volume, AOV and repeat rate to size what a realistic lift is worth over twelve months.

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