Recognition
Klaviyo, Forbes and 63 Other Sites on YOCTO
120 pages on 65 sites feature, quote, cite or link to YOCTO: case studies Klaviyo, Skio and Loop published on our clients' results, agency lists, George's articles in Forbes and Fast Company, podcasts, and sites that use our data. Every entry opens the original page.
Case studies
KlaviyoMira increases email and SMS revenue by 252% in 6 monthsKlaviyo's case study on Mira, which brought in YOCTO to rebuild its email and SMS program. Revenue from both channels rose 252% in six months.KlaviyoJimmy Joy Sees 7x ROI with Klaviyo WhatsAppKlaviyo names YOCTO as Jimmy Joy's Elite partner agency. WhatsApp drove nearly 30% of Klaviyo-attributed Black Friday revenue from under 5% of the list.LoopEver Eden measured 8X subscriber growth in 3 monthsLoop's customer story on Ever Eden and its agency partner YOCTO: dual pricing, retention automation and bundles, and 8x subscriber growth in three months.BubblehouseBoujee Hippie Grew Member LTV 51% with Bubblehouse in 2026Bubblehouse credits Boujee Hippie's retention agency, YOCTO, with the move to its loyalty program and the Klaviyo flows behind it. Member LTV up 51%, loyalty ROI 16x.ZaymoYOCTO unlocks £700K+ in annual upgrade revenue for a leading collagen brand with ZaymoZaymo's case study on YOCTO's first pre-renewal upgrade campaign for a collagen brand: more than 700,000 pounds a year in upgrade revenue.ZaymoGratsi earns a 16X ROI with in-email subscription management and frictionless cross-sellsGratsi and YOCTO added Zaymo's in-email subscription portal to a billing reminder flow. Subscriber churn fell 31% in an A/B test, at a 16x ROI.BouncerYOCTO (case study)Bouncer's customer story on YOCTO's reactivation campaigns: legacy lists validated, 90,960 customers brought back at a 4.56 dollar cost per acquisition.SkioHow YOCTO Helped Gratsi Cut Cancellations 48% and Boost Reactivations 208% with SkioSkio credits YOCTO's cancel-flow redesign and win-back flows with 48% fewer cancellations and 208% more reactivations at Gratsi.OpensendHow EverEden Turned Returning Visitors into $54K in Attributed Revenue with Opensend ReconnectHow YOCTO used Opensend Reconnect for EverEden: 19,565 returning visitors identified and 54,079 dollars in attributed orders.Paper RunGratsi x Yocto x Paper Run: a Direct Mail love storyPaper Run's case study on Gratsi and its retention partner YOCTO: segmentation plus direct mail returned 5.2x incremental ROAS against a holdout.MalomoHow Mira Care differentiates its brand after the buy buttonMalomo's case study on Mira, which partnered with YOCTO to build segmented order tracking emails. Delivery exception emails reached an 82.95% open rate.
Agency lists
BubblehouseBest Klaviyo Retention Agencies (2026)Bubblehouse's guide to Klaviyo retention agencies includes YOCTO for its Elite status, subscription depth and measured LTV growth.Loop10 Best Ecommerce Email Marketing Agencies for Shopify Brands (2026)Loop's list of email agencies for Shopify brands names YOCTO as the pick for a retention team that owns subscription economics. No agency paid to be included.OpensendTop 10 Email Marketing Agencies in the World (2026)Opensend's list of email marketing agencies includes YOCTO for DTC, CPG and subscription brands.Email KongBest Klaviyo Agencies for Subscription Brands (2026)Email Kong's guide names YOCTO as a strong pick for larger subscription brands across Loop, Recharge and Skio.Email KongBest Loop Subscriptions Agencies (2026)Email Kong's guide to Loop agencies recommends YOCTO for subscription brands across Loop, Recharge and Skio.Underground Ecom10 Best Klaviyo Email Marketing Agencies In The UK (2026)A list of Klaviyo agencies in the UK that includes YOCTO as an Elite specialist for subscription, supplement, beauty and wellness brands.MaestraTop 15 US E-Commerce Digital Marketing AgenciesMaestra's list of ecommerce marketing agencies names YOCTO best for subscription brands losing customers after the first order.MaestraKlaviyo Agency Guide [2026]: What It Costs, How to Vet One, and the Option Most Brands MissMaestra's Klaviyo agency guide profiles YOCTO as the subscription specialist, with results published by Skio and Klaviyo.Maestra12 Best Klaviyo Alternatives for E-Commerce Brands in 2026 [Reviewed & Ranked]Points readers to YOCTO, an Elite Master partner that works with subscription brands, to audit a Klaviyo account.HYLN HUB11 best health and wellness marketing agencies in Europe in 2026A list of health and wellness marketing agencies in Europe that names YOCTO best for retention and subscription economics.IntergrowthThe Best Ecommerce Customer Acquisition AgenciesIntergrowth's list recommends YOCTO for email marketing and retention for subscription DTC brands.Bouncer100+ Klaviyo Agencies in 2026: DirectoryBouncer's directory of Klaviyo agencies lists YOCTO as an Elite Master partner focused on Klaviyo and Shopify.Thrivelia7 Best Retention Marketing Agencies for DTC Brands (2026)Thrivelia's list of retention marketing agencies names YOCTO best for subscription-led consumer brands.Peekwire5 Email and SMS Retention Partners Worth Knowing in the USPeekwire's list of email and SMS retention partners recommends YOCTO to brands that want a partner who knows their reorder curve.Peekwire5 Klaviyo Lifecycle Marketing Partners Worth Knowing in the USPeekwire's list of Klaviyo lifecycle partners includes YOCTO for its published, sourced pricing guide and free audit.Web TonicPortland's Top SMS Marketing Agencies (2026)Web Tonic's list of SMS agencies includes YOCTO as a Klaviyo agency that runs SMS and email as one system for DTC and subscription brands.Web TonicFertility and IVF SMS Marketing Agencies Worth a Shortlist in 2026Web Tonic's shortlist of SMS agencies for fertility and IVF brands includes YOCTO for its femtech and fertility practice.Retention ControlBest Klaviyo Agencies for Shopify Brands (2026): 11 Checked Against Klaviyo's Own DirectoryRetention Control's list of Klaviyo agencies for Shopify brands includes YOCTO as an Elite Master partner serving DTC and subscription brands.Retention ControlBest Loyalty and LTV Agencies for Ecommerce Brands (2026): 9 Compared on Their Own Case StudiesOne of nine loyalty and LTV agencies compared on their own case studies, with YOCTO's Klaviyo, Loop and Recharge partner tiers.Retention ControlAffordable Retention Marketing Agencies With Published Prices (2026): 11 ComparedLists YOCTO among the retention agencies that publish their prices.Magetop7 Best DTC Email Marketing Agencies: Custom Flows or a Copy-Paste Flow Package?Magetop's list of DTC email agencies names YOCTO best for health, beauty and CPG subscriptions.Flowium15 Best Klaviyo Email Marketing Agencies 2026Flowium's list of Klaviyo email agencies includes YOCTO as a Klaviyo Elite Master partner.
Bylines
Forbes Council PostThe Most Overlooked Page In Subscription Customer RetentionGeorge on the cancellation page, the retention step most subscription brands never design.Forbes Council PostFailed Payments Are The Revenue Leak Almost Nobody Works OnGeorge on failed subscription payments, the revenue leak almost nobody owns.Forbes Council PostYour Acquisition Team And Your Retention Team Are Not Solving The Same ProblemGeorge on why acquisition and retention teams keep scoreboards that never connect.Forbes Council PostThe Fastest Way To Reduce Churn As A Subscription BusinessGeorge on why subscription churn is decided at the billing reminder.Forbes Council PostThe Perfect Subscription Offer Is A Contract, Not A DiscountGeorge on designing a subscription offer as a contract rather than a discount.Forbes Council PostThe Fastest Way To Grow Lifetime Value As A Subscription BusinessGeorge on how lifetime value is set by the first terms of the customer relationship.Forbes Council PostThe LTV Parthenon: A First-Principles Way To Build Profitable Subscription BusinessesGeorge sets out the LTV Parthenon, YOCTO's first-principles framework for subscription lifetime value.Fast Company Executive BoardAttribution can't tell you how your lifecycle program worksGeorge on why attribution cannot show how a lifecycle program works, and how YOCTO's controlled tests cut the cost of winning a customer by 15% to 20%.Fast Company Executive BoardWhat drives people to cancel subscriptionsGeorge on what drives people to cancel subscriptions, drawing on YOCTO's cancellation data.Fast Company Executive BoardWhy direct-to-consumer retention teams aren't on taskGeorge presents the LTV Parthenon, the framework the YOCTO team built, and why DTC retention teams drift off task.Fast Company Executive BoardThe best direct-to-consumer brands are subscription-basedGeorge on why the strongest direct-to-consumer brands are built on subscriptions.Klaviyo blog7 Best Social Media Management Tools for 2026, Chosen by MarketersA Klaviyo blog post written by George on the social media tools marketers actually use.Klaviyo blogKlaviyo Composer and Agencies: The Case for Working TogetherGeorge on how Klaviyo Composer and agency expertise work together, written for Klaviyo's blog.Klaviyo blog5 Best AI Prompts Every Marketer Should UseGeorge's five AI prompts for marketers, published on Klaviyo's blog.TechBullionLifetime Value Is Multiplication, Not Opinion: The Math Behind Subscription Businesses That LastGeorge on the LTV Parthenon and the math behind subscription businesses that last.inklThe Subscription Economy's Next Winners Will Compete on Retention Math, Not Ad BudgetsGeorge on why the next subscription winners will compete on retention math rather than ad budgets.eCommerce FastlaneThe LTV Parthenon: Nine Numbers That Decide Your Customer Lifetime ValueThe nine numbers in YOCTO's LTV Parthenon that decide customer lifetime value.London Loves BusinessBlack Friday is won in August, not NovemberGeorge on why Black Friday is won by the work brands do in August.Retail Technology Innovation HubSubscription benchmarks 2026: the best retention tool is a working billing systemGeorge on YOCTO's subscription benchmarks and why a working billing system is the best retention tool.Retail InsiderWhy Skipped Orders Cost Subscription Retailers More Than CancellationsGeorge on why skipped orders cost subscription retailers more than cancellations.Martech ZoneEmail Marketing Benchmarks 2026: What 100+ Client Accounts Say About Revenue, Flows And Open RatesGeorge on what YOCTO's 100+ client accounts show about email revenue, flows and open rates.Forbes Council PostWhy Many Retention Problems Are Really Acquisition ProblemsGeorge on why many retention problems start at acquisition.Forbes Expert Panel20 Steps For Rebuilding Strained Client RelationshipsGeorge is one of 20 business leaders giving advice on rebuilding strained client relationships.Klaviyo blogWhy Attribution Debates Waste Time (and How Klaviyo Gets It Right)George on why attribution debates waste time, drawing on his work with 100+ health and wellness subscription brands.Klaviyo UK blogCustomer lifecycle management & dynamic segmentationGeorge on customer lifecycle management and dynamic segmentation, written for Klaviyo UK.
Expert quotes
Klaviyo blogWhy Marketers Choose Klaviyo for WhatsApp MarketingKlaviyo quotes Bobi Jonceski, YOCTO's senior lifecycle strategy consultant, on WhatsApp marketing, and links the Jimmy Joy case study.Klaviyo blog8 BFCM Emails That Took Minutes to Build and Still ConvertedYOCTO is one of five contributors sharing Black Friday emails that were quick to build and still converted.Klaviyo blogBest Instagram Marketing Tools 2026: 5 Picks From Real MarketersKlaviyo quotes George on the Instagram marketing tools YOCTO uses with DTC brands.Klaviyo blog9 ChatGPT Best Practices for Klaviyo Marketers Who Tested ThemKlaviyo quotes George on building brand rules for ChatGPT before it writes Klaviyo copy.Klaviyo blogClaude vs ChatGPT for Klaviyo: 8 Experts on Which They UseGeorge is one of eight experts Klaviyo asked which AI model they use, and how he uses Claude for campaign briefs.BouncerBouncer Agency Partner ProgramBouncer's agency program page carries George's testimonial on validating lists for large reactivation campaigns.Klaviyo blogThe Best Shopify Apps for Marketing & Customer ServiceKlaviyo quotes George on the Shopify apps worth adding to a Klaviyo stack.Klaviyo blogHow to Improve Your Email Marketing Revenue for D2C BrandsKlaviyo quotes George on pop-up offers that grow email revenue for DTC brands.Moosend18 Tested eCommerce Marketing Strategies To Boost SalesMoosend quotes George on signing long-term contracts with influencers and reusing their content.Klaviyo AI prompt libraryBuild this year's BFCM plan from historical data (AI prompt library)A prompt by George in Klaviyo's AI prompt library: build this year's BFCM plan from last year's data.Klaviyo AI prompt libraryPsychographic Persona Builder: Deep Audience Research for Email (AI prompt library)A prompt by George in Klaviyo's AI prompt library for deep audience research.Klaviyo AI prompt libraryCompare your BFCM offer against competitors' offers (AI prompt library)A prompt by George in Klaviyo's AI prompt library for comparing a BFCM offer with competitors' offers.Klaviyo AI prompt libraryCustomer Review Analysis: Brand Weak Points & Messaging Angles (AI prompt library)A prompt by George in Klaviyo's AI prompt library that turns customer reviews into messaging angles.Klaviyo AI prompt libraryStrengthen offers to boost lifetime value (AI prompt library)A prompt by George in Klaviyo's AI prompt library for strengthening offers to raise lifetime value.LoopSubscription Growth Playbook: How Loop and YOCTO Scale RetentionA playbook Loop co-published with YOCTO on subscription pricing, retention automation and churn.OpensendOpensend success storiesOpensend's customer stories page carries George's testimonial as CEO of YOCTO.
Podcasts
Keep Optimising podcastWhatsApp: BFCM Case Study That Changed How We Think, with George Kapernaros, Yocto (episode 291)George on the Black Friday WhatsApp case study that changed how YOCTO thinks about the channel.ConvertFlow, The Funnels Show$700K Extra Fixing These Emails: Subscription Retention With a Klaviyo Elite AgencyGeorge on The Funnels Show: the upgrade email worth 700,000 pounds a year to a collagen brand, and Gratsi's 47% revenue lift from psychographic segmentation.Big Growth ShowHow To Scale Your Agency Smarter (ft George Kapernaros)George on how he built and scaled YOCTO.Keep Optimising podcastEmail & SMS: Your Customer Retention Playbook with George Kapernaros, Yocto (episode 254)George on the email and SMS customer retention playbook for DTC brands.Milame Epicheirimatika podcast7 Μήνες Μετά: Πώς Ανέβασε το Email Marketing Agency του +60% ft Γιώργος Καπερνάρος / Επ. 107George returns to the Greek business podcast to talk about pricing, sales and building YOCTO's team (in Greek).Customer Growth SessionsS1 E11: Email Segmentation with George Kapernaros, Owner of YOCTO AgencyGeorge on email segmentation and building flows by segment.MalomoTop 10 Ecommerce Retention Podcast Episodes of 2023Malomo picks George's episode as one of the ten best ecommerce retention podcast episodes of 2023.Retention ChroniclesS4 E12: Witnessing the power of transactional notifications and order tracking with George Kapernaros (Founder & CEO of YOCTO)George on transactional notifications and order tracking pages as retention tools.Integrate & Ignite podcast437: Leveraging Email Personalization to Exceed Customer Expectations with George Kapernaros of the YOCTO AgencyGeorge on using email personalization to exceed customer expectations.The Josh Boone Show#7: George Kapernaros, Imposter Syndrome, Self-Moderation & Living a Free LifeAn early interview with George on imposter syndrome and building a business, recorded before he founded YOCTO.12 Hats RadioLift Your e-Commerce Game! Interview with George Kapernaros (S4E4)An early interview with George on growing ecommerce businesses, recorded before YOCTO took its name.
Data citations
FlowiumEcommerce Subscription Churn Rate Benchmarks 2026Flowium's churn benchmarks cite YOCTO's subscription statistics on how many subscribers stay active after each order.Web TonicUser Retention Agency: What They Do, What They Cost, and How to Choose the Right OneWeb Tonic's guide to retention agencies cites YOCTO as one of its sources.TrueDialogMultichannel Communication Explained: Strategy, Channels, and Use CasesTrueDialog cites YOCTO's email marketing statistics: about 88% of people check email at least once a day.DemGen DailyYour Social Media Following Isn't the Asset You Think It IsCites YOCTO's research that automated flows earn nearly 18 times the revenue per recipient of campaigns.Growth Metrics LabsEmail Revenue Attribution and the Assisted-Email ProblemCites YOCTO's breakdown of Klaviyo's default attribution window.Succession MediaWhat Subscribe and Save Discount Should a Supplement Brand Offer?Cites YOCTO's teardown of 12 vitamin brands: a 20% median subscribe and save discount, with 9 of 12 preselecting the subscription.Entrepreneur7 Marketing Strategies I Use to Help My Clients Grow FasterAn Entrepreneur contributor cites YOCTO's Klaviyo agency pricing guide for what email retainers cost.FunnelzKlaviyo en 8 prompts avec Claude Code : le récit completA French guide citing YOCTO for what a full agency Klaviyo setup costs and how long it takes.Should I Use ItThanks.io vs PostGridCites YOCTO's guide to the best direct mail automation platforms as a source.Scribe Mail4 Best Practices for Using a Custom Email Signature CreatorScribe Mail cites YOCTO's email marketing statistics: segmentation lifts clicks by 50% and opens by 30%.Owner's Magazine10 Email Marketing Tips to Boost Conversions and Drive SalesOwner's Magazine cites YOCTO's email marketing statistics on which sending frequency gets the highest open rate.ConstantHireHow to Hire a Retention Marketer for a Subscription Brand (2026)ConstantHire cites YOCTO's retention KPI benchmarks for pre-renewal churn and the rate of customers who place a second order.MailMendWhy Are My E-commerce Emails Always Landing in the Promotions Tab and How Do I Fix It?MailMend cites YOCTO's deliverability guidance on how to handle subscribers who have not clicked in 90 days.ByteRocByteRoc pricingByteRoc sources its range for managed Klaviyo programs to YOCTO's Klaviyo agency pricing guide.
Mentions
TechRoundHere's How Meta Just Turned WhatsApp Into A 24/7 AI Sales AgentTechRound names YOCTO, a Klaviyo Elite partner, in its piece on WhatsApp as an AI sales channel.NY WeeklyHow Retention Agency YOCTO Turns Email From a Marketing Channel Into a Profit CenterNY Weekly profiles YOCTO as a retention agency that turns email into a profit center for the brands it runs.WP SwingsThe Ultimate Guide To Loyalty Program Analytics (2026 Edition)WP Swings suggests YOCTO for support with win-back promotions to inactive loyalty members.Business Insider AfricaThe agency behind Europe's fastest-growing company has made its internal growth framework publicBusiness Insider Africa on YOCTO releasing the LTV Parthenon, its internal growth framework, for free.Ecom Balance8 Best Ecommerce Email Marketing Software for Sellers in 2026Ecom Balance links to YOCTO as an email marketing agency in its guide to email software.TechRound6 Alternatives To Mailchimp For E-mail MarketingTechRound names YOCTO, a Klaviyo Elite partner, in its guide to Mailchimp alternatives.DebutifyIncrease Your Click-Through Rates with These Catchy Email Subject Lines for SalesDebutify points businesses to specialist agencies like YOCTO for lifecycle marketing and customer engagement.Productsup10 ecommerce integrations every ecommerce business needs to scaleProductsup links to YOCTO as a Klaviyo agency in its guide to ecommerce integrations.WooRankHow To Write SEO Content Without Feeling SpammyWooRank points readers to advisory agencies like YOCTO.
Profiles
Forbes CouncilsEngineering Longevity: How George Kapernaros Is Redefining Growth for Subscription BrandsForbes Councils' Executive Spotlight on George and why he founded YOCTO.KlaviyoYOCTO (Klaviyo Service Partner Directory)YOCTO's profile in Klaviyo's partner directory, at the Elite Master tier.LoopYOCTO (Loop Agency Partner Directory)YOCTO's profile in Loop's agency directory as a Platinum partner.RechargeYOCTO LTD (Recharge Service Partner Directory)YOCTO's profile in Recharge's partner directory as a Premier partner.ZaymoTrusted Agency Partner DirectoryZaymo's partner directory lists YOCTO as a Gold partner for email, retention and subscription consulting.BubblehousePartner DirectoryBubblehouse's partner directory lists YOCTO under email and SMS.LeatLeat: Our partnership with YOCTOLeat's partner page on YOCTO, its retention partner for high-growth DTC brands.MentorPassGeorge Kapernaros, Founder & CEO of YOCTOGeorge's mentor profile on MentorPass, as founder and CEO of YOCTO.KlaviyoPosts by George Kapernaros (author page)George's author page on Klaviyo's blog, noting his place on Klaviyo's Partner Advisory Council for 2025 and 2026.EmbedCareTelehealth Marketing Agency DirectoryEmbedCare's unpaid directory of telehealth marketing agencies lists YOCTO as a retention-first Klaviyo agency for supplements, beauty and femtech.RedoYOCTO, Redo partnerYOCTO's profile in Redo's partner directory as a lifecycle and retention marketing agency.50ProsYOCTO, Agency Reviews, Portfolio, ServicesYOCTO's agency profile on 50Pros, as a Klaviyo Elite partner for email, SMS and subscription retention.
120pages by other companies that feature, cite or link to YOCTO
65different sites and publications
11case studies published by 9 platforms we build on
25articles by George in Forbes, Fast Company, Klaviyo and more
