🧷 The Keeper Guideby osNOVA

Keep the customers you already have.

Finish one sentence and get a 90-day plan to keep clients longer, bring them back more often and earn more from every visit, with what each step costs and the scripts to do it.

I run and want to . I have about . I can give it a week and . I already have , and I’d skip .

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Your 90-day keeper plan

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Keeper check
Check yours

Twenty-six quick checks for how well you keep the clients you have. Tick what's already true; finished basics drop out of your plan, and your answers are saved in this browser.

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    How the plan is ordered

    Six steps in the life of a client.

    Most clients don't leave on purpose. They forget, nobody reminds them, and the next business that reaches them wins. Your plan follows a client from the visit itself to the weeks after, the months between visits and, if they drift, the way back. Your place is marked from your Keeper check.

    Why osNOVA

    You do the work you're great at. We build the system around it.

    Keeping clients is mostly systems: the reminder that goes out on time, the follow-up nobody forgets, the plan that renews on its own. Setting those up while you're booked solid is the hard part, and it's the part we do with you.

    1
    DiagnoseWe look at your business the way a new customer sees it, from first search to final follow-up.
    2
    InstallWe set up the few systems that matter most for your type of business, then hand them over.
    3
    MultiplyAdd channels from this guide in the right order, measure what each returns, and keep the winners.

    Or write to us at hello@osnovaops.com. Need more new customers first? Try the Prospect Guide. Want the long version? Read Don't Lose the Customer You Already Have.

    📚 All 67 tactics

    Every tactic, with steps and scripts.

    Search or filter, open any row for the steps and scripts, and add what you like to your plan.

    🧮 Value calculator

    What keeping clients is worth to you.

    Five levers decide how much your existing clients are worth in a year: how many stay, how often they come, how much they spend, how many friends they send and how many lapsed clients come back. Put in your own numbers, or start from the examples for your type of business.

    Your business today

    What you change

    Small, realistic moves. Each lever is independent, so you can see which matters most.

    📊 Example math Extra gross profit a year from these changes
    $0
    Gross profit from clients today, per year
    $0
    Change
    +0%

    These are modeled estimates from your inputs, not promises. Referral and win-back values count one year of visits from each returning or new client.

    📊 The evidence

    The numbers behind keeping clients.

    Each figure says who was measured and when, so you can judge how far it carries to your business.

    5–25×more expensive to win a new customer than to keep an existing one, depending on the study and industryHarvard Business Review, 2014
    25–95%more profit from raising customer retention by 5 percentage points, in research by Frederick Reichheld of Bain & Companyvia Harvard Business Review, 2014
    78.6%attendance with text reminders, against 67.8% with none, across 7 studies and 5,841 peopleCochrane review, 2013
    +67%more spent by the average repeat customer in months 31–36 than in their first six months (online apparel)Bain & Company and Mainspring, 1999

    Text reminders and attendance

    Share of booked appointments attended, healthcare

      Cochrane systematic review (Gurol-Urganci and others, 2013), 7 studies with 5,841 participants. Risk ratio 1.14 (95% CI 1.03 to 1.26), moderate-quality evidence.

      Mail to your own customers vs. strangers

      Response rate range, 2024

        ANA Response Rate Report 2024, as reported by Printing Impressions. Your own list responds better because they already know you.

        Repeat customers spend more over time

        Spending in months 31–36 vs. months 0–6 (first six months = 100)

          Bain & Company and Mainspring survey of online shoppers, 1999. Online retail, not services, so read it as a direction.

          Loyal customers refer more people

          People referred by an online apparel shopper, total

            Bain & Company and Mainspring, 1999. In consumer electronics the totals were just over 4 and 13.

            Two more numbers for the referral tactics. In a long-running study of bank customers, referred customers were worth at least 16% more and were 18% less likely to leave (Journal of Marketing, 2011). And in Nielsen's global trust survey, 92% of consumers said they trust recommendations from people they know, more than any form of advertising.

            Sources

            1. Amy Gallo, The Value of Keeping the Right Customers, Harvard Business Review, October 2014.
            2. Gurol-Urganci and others, Mobile phone messaging reminders for attendance at healthcare appointments, Cochrane Database of Systematic Reviews, 2013.
            3. Bain & Company and Mainspring, The Value of Online Customer Loyalty, 1999.
            4. ANA Response Rate Report 2024, via Printing Impressions.
            5. Schmitt, Skiera and Van den Bulte, Referral Programs and Customer Value, Journal of Marketing 75(1), 2011.
            6. BrightLocal, Local Consumer Review Survey 2026.
            7. Litmus, The ROI of Email Marketing (2025 State of Email).
            8. Nielsen Global Trust in Advertising, via Benton Institute.