Klaviyo Agency Partner Directory

Shopify’s #1 Retention Agency Turning Your Customers into Loyal Fans. We offer a comprehensive email and SMS marketing solution for e-commerce businesses. Our team of experts will work closely with you to create and execute personalized campaigns that drive sales and customer engagement. With our full-service approach, you can replace the need for multiple employees and enjoy the benefits of a dedicated expert team at a fraction of the cost. Thinking about working with us? Complimentary for Qualified Brands: • Migration from any platform over to Klaviyo • Audit, Action plan, and proposal for your brand. Standard Scope of Work: • Team of 6 Experts for You • Competitor Data Analytics (Frequency, Terms, Send Times, Etc.) • Retention Strategy (Customer Journey + Loyalty and Referral) • Creative Implementation, and Reporting • Emails Flows • SMS Flows • Monthly Email + SMS Campaigns • Popup Builds + Optimizations

&BAM is all about creating excitement in your email and SMS marketing campaigns, helping your business grow while building a loyal customer base. We’ve worked with bazillions of clients, making sure each and every one of them attracts loyal customers that feel warm and fuzzy about our clients’ brands. When you partner with &BAM, we can promise you the following: • Complete Email/SMS loyalty marketing strategy • Copywriting, design, and the technical mumbo jumbo • Quality, flow, and deliverability For the &BAM Team, it’s all about creating un-f*cking-believable relationships — both with our clients and between our clients and their customers! This is our mission, and it’s what propels us ever forward to do the best work possible for our clients. In order to fulfill this mission with each and every client, we tailor our Big Bam Process to each client’s particular needs. Learn more and schedule a call with us at --> andbam.co

Ackermann is the leading Danish e-mail marketing agency. With headquarters in Copenhagen, Denmark, Ackermann works with companies of all sizes both nationally and internationally. We work with a wide range of companies, from small startups looking to scale through targeted e-mail marketing, to large international corporations wanting to harness the power of e-mail and marketing automation. Ackermann’s laser-focus on e-mail marketing allows us to provide an outstanding variety of services that cover all areas of e-mail marketing: • Setting up automated e-mail flows • Setting up targeted e-mail campaigns • Crafting compelling copy • Crafting creative e-mail design • Increasing revenue by crafting conversion-driven content • High focus on optimization and split-testing of e-mail flows • Ongoing support and reporting

2025 Klaviyo Partner of the Year Rising Star. Even if you're already using Klaviyo, chances are you're leaving money on the table every month. We're a Klaviyo Elite Partner that builds custom Retention Intelligence™ systems for established brands doing $5M+ in revenue, turning more one-time customers into repeat buyers so the money you spent acquiring them doesn't go to waste. Here's what makes us different: While other agencies use cookie-cutter templates, we'll run our proprietary Retention Diagnostic™ on your data and present your custom retention blueprint in under a week, completely free. Here's what you'll get: Your custom flows designed for your brand DNA and how YOUR customers actually buy, done for you. No guessing what to say, how to say it, or who to say it to or when. We'll review it with you, and when you decide for yourself that you want it, we'll install it in your Klaviyo account. Schedule a Call: https://www.a-game.digital/book-a-call Cheers, George Rodríguez Founder and Principal https://a-game.digital

Flowium is a full-service Email & Lifecycle Marketing Agency and Klaviyo Elite Partner. We help ecommerce brands grow through performance-driven retention marketing. Email sits at the center of everything we do as it delivers the strongest ROI of any retention channel. It’s the fastest, most cost-efficient way to increase repeat purchases and customer lifetime value. Based on your needs, we also activate additional lifecycle channels—SMS, WhatsApp, RCS, Instagram DM automation, push notifications, and direct mail—to reach customers across all key touchpoints and boost conversion. Together, these channels create a stronger retention system that turns more customers into repeat buyers. Our core email service includes: • Klaviyo account setup and optimization • Full email strategy (abandoned cart, browse recovery, welcome series, and more) • Campaign content calendar and planning • On-brand copywriting that connects with your customers • Mobile- and dark-mode-optimized email design • Technical setup and ongoing maintenance • Continuous testing and optimization Every Flowium team member is an expert in their field, whether that’s copywriting, design, brand strategy, or the Klaviyo software, working together to bring you top-tier results. 🤝 Trusted by 1000+ brands 💎 30%+ Average Email Marketing Revenue 🔥 $352M Email Revenue For lifecycle marketing that drives real, predictable growth, get in touch with our team. ⭐ Discover our top client success stories. Check them out here: https://flowium.com/new-case-studies/

Code is one of the first and leading Shopify Plus agencies in Europe and one of the four Klaviyo Elite partners in EMEA. We help our clients to a high-end Shopify Plus webshop, but also to an impressive conversion rate. Our weapon of choice? Klaviyo. On average, e-commerce brands attribute around 20% of their revenue to email marketing. At Code, we have many clients performing way better than that, with up to 50% of their revenue coming from email marketing. • Klaviyo onboarding and training • Setup best practice flows • Audit and clean your email list • Craft engaging and conversion-driven email campaigns that increase revenue • Ongoing support and monthly strategy sessions • Constant optimization & split testing of email flows • Growing and segmenting your email list

At BMO Media, we are the pioneers of Lifecycle and Retention Marketing, helping businesses build lasting customer relationships while driving lifetime value and incremental revenue. Our expertise lies in e-commerce and the direct-to-consumer space, making us the best in class for these sectors. Whether you're a mid-market player or an enterprise brand, we offer premium services that drive results. What sets us apart is our commitment to excellence in advanced automation architecture. We take complex concepts and apply them to lifecycle programs that are not fully realized, turning your vision into reality. At BMO Media, we don't just focus on short-term wins. We're dedicated to supporting ROI-friendly programs that provide a continuous stream of revenue for years to come. We don't just build campaigns; we build legacies. Our expertise spans across various channels, making us the go-to partner for your marketing needs: • Email Marketing: We craft engaging and personalized email campaigns to connect with your audience on a personal level – while lowering customer acquisition costs and increased lifetime value • SMS Marketing: Utilizing the power of high engagement text messaging, we help you reach your customers wherever they are, creating meaningful interactions through a two-way conversation. • Loyalty & Referrals: Foster brand loyalty and tap into the referral potential of your customers with our tailored strategies using Klaviyo-integrated tools such as Yotpo, Friendbuy, Loyalty Lion & Smile.io. • Subscriptions: We optimize subscription models to build long-term customer relationships and recurring revenue streams and mitigate subscription churn with partners at ReCharge, Skio, Smartrr and Appstle. • Push Notifications: Engage users with timely, relevant, and non-intrusive push notifications that keep them coming back across either mobile apps, desktop or mobile push. • Direct Mail: We understand the timeless charm of direct mail and leverage it to cut through the digital noise with our partners at PostPilot or Postie. Join us in transforming your customer retention and lifecycle marketing efforts. Let's partner for success and ensure your brand's presence remains strong, long into the future.

We're UN/COMMON, and we bring an unconventional approach to strategy, UX, creative, and retention email & sms marketing –with profit-first results. Because you want an agency that gets more out of your marketing dollars and actually makes you profit. So avoid the old churn-and-burn agency model, partner with the uncommon agency, and unleash sustainable, profitable growth. You can read more about our Lifecycle Retention Marketing Mgmt Services here: https://uncommonagency.co/pages/consumer-retention You can also check out our client portfolio here: https://uncommonagency.co/pages/our-work ------------ Lifecycle Retention Marketing Services Overview: Full Scale Lifecycle Retention Email & SMS Marketing Mgmt: • Content Calendar Strategy & Development • Flow Strategy & Optimization • List Segmentation & Management • Ongoing Content Calendar Strategy & Development • Campaign & Flow Creative Concepting, Design & Copywriting • Campaign & Flow Execution, Build & QA • SMS Strategy, Management & Execution • Monthly and Quarterly Insights & Analytic • Custom Packages available upon request Strategic Consulting & Program Roadmapping • List Segmentation • A/B Testing Recommendation • Flow Strategy & Optimization • Optimization of Campaign Layouts for Conversion • Ongoing Content Calendar Strategy & Development • SMS Strategy & Development • Campaign Build & Execution • Monthly and Quarterly Insights & Analytics • Custom Packages available upon request We don't limit lifecycle marketing to just email and SMS. We utilize various channels to connect with customers at their preferred touch points, creating a comprehensive strategy for boosting customer lifetime value. Lifecycle Retention Marketing Methodology & Levers: Email & SMS Marketing Email & SMS marketing are gold mines for unleashing sustainable growth. It’s our specialty and what drives a 3x increase in repeat purchases for our clients. Loyalty & Member Programs We specialize in forging lasting connections between brands and their customers, with tailored loyalty programs and referral initiatives to boost engagement and enhance lifetime value. Dedicated Technical Support You get a direct line to our in-house deliverability, compliance, and acquisition experts. Whatever the issue — or random question about an upcoming campaign — we’re here to solve your problems. Subscription Management Your subscribers deserve the VIP treatment — they’re your most loyal customers! And we make sure they know it with tailored campaigns and exclusive offers that reward their loyalty.

Underground Ecom is the Leading eCommerce Retention and Email marketing agency for the US & UK and Klaviyo Partner Of The Year 2025 along with having the highest ranking of Klaviyo Master Elite. Having worked with global leaders from Virgin, Britvic, Huda Beauty, Surreal, Spacegoods, Osprey, Oh Polly, Chilly's and other 8, 9 and 10 figure ecommerce brands, we know what it takes to be ahead of the pack. We specialize in end-to-end management of your Klaviyo account including: • Strategy • Content creation • Split testing & optimization • Technical support • Reporting Our team becomes the CRM arm of your business and integrates deeply with your existing team so you get the benefit of an “in-house experience” with the expertise that comes with working with a specialized agency. If you are looking for an experienced highly specialized team to support your brand in growing email engagement and revenue then book a free audit with our team below to find out where your Klaviyo account can be optimized to increase performance. Schedule a call with our team today using the link below! https://www.undergroundecom.com/thank-you-confirmation/

The Working Party design and build best-in-class eCommerce websites on Shopify Plus for retailers with complex technical requirements, who value brand and seek rapid growth through innovation. Our clients are market leaders — pushing boundaries and capitalising on opportunity at home and abroad. Our brand-side experience and empathy for the retailer are unparalleled in the Shopify Plus agency space. We work with brands like yours to accelerate your online sales on Shopify Plus, the world’s best eCommerce platform — but we are not your standard eCommerce agency. After refining our process leading high visibility digital and design transformation projects to create websites millions use every day, we turned our focus to eCommerce - applying the same rigorous process and flawless execution. Our leadership and cross functional team have a wealth of in-house, retail expertise, after working brand side for leading Australian retailers. The culmination of this experience, consolidated in our projects for leading retailers JB Hi-Fi, KOOKAÏ, Assembly Label and Lovisa, speak to our ability to profoundly impact the brands we partner with.

Chronos Agency is a Lifecycle Marketing Agency helping high-growth DTC brands scale profits with Email, SMS, and Push Marketing. With our cross-industry experience and data-driven marketing strategies, we help e-commerce businesses boost their total online revenue by 20% to 30%. We're a global team of 80 that acts as an extension of your business, offering end-to-end service including copywriting, graphic designs, strategy, and execution. SERVICES WE PROVIDE: • Email Marketing & Automation • SMS Marketing • App & Web Push Marketing & Automation • Social Media Management • Shopify Store Web Development • Performance Creatives 🔥 $181M+ Returns From Email 😎 300+ Wowed Clients 🚀 3500% Average Client ROI

All Systems, Grow! Look no further than SmartBug Media, the full service digital agency that's got your back in creating resilient growth across your entire customer lifecycle. Marketing, sales, revenue operations, customer success, e-commerce, integration—you name it, we've got it covered. With a blend of sound strategies, cutting-edge tech, and top talent, we're all set to steer your future toward success. Plus, as Klaviyo Master Elite partners and proud Shopify partners, we have the track record and resources to elevate your customer lifecycle like no one else. Your Path to Growth Starts Here. We're not just about leveraging the tools you're already using; we're about introducing you to innovative sales and marketing strategies that can catapult your company to new heights. Get ready to tap into our deep technical expertise. Experience That Speaks, Quality That Delivers. At SmartBug, we don't just claim to be "experts". We are a team of industry veterans who have honed their skills at premier organizations, top-tier universities, and globally renowned brands. When you collaborate with us, you work with professionals whose expertise is unmatched anywhere else. We have earned the exclusive designation of Klaviyo Master Elite partner, Google Premier Partner, and proud Shopify partner. Plus, for over 15 years, we've mastered HubSpot, earning Partner of the Year twice and Elite Solutions Partner status. Our proven success is reflected in 500+ HubSpot 5-star reviews. Remember, we're more than just a digital agency. We're a fully remote center of excellence for hire, dedicated to delivering client success and an unparalleled agency experience. With us, you're not just getting a service. You're gaining a partnership. Ready to take your customer lifecycle full circle? It's time to experience the SmartBug difference! 🌟 More than 500 5-star customer reviews 📚 More than 1,200 marketing & sales certifications 🏆 More than 150 company awards & recognitions (and counting) 🤝 Elite HubSpot Partner 🤝 Master Elite Klaviyo Partner 🤝 Google Premier Partner 🤝 Shopify Partner Read our reviews on Clutch > https://hubs.ly/Q01HLG8f0

We help 7- and 8-figure ecommerce stores kick ass at email and SMS. We keep your subscribers and customers excited and engaged while turning *owned* marketing channels into your top revenue drivers. More → https://luckandco.agency — WHY US — 1. Results and focus on your revenue We 2-5X your email revenue in the first 60 days. We've done it multiple times over. See the Case Studies on our site. 2. Laser Focus We only work with ecommerce and only do Email & SMS. Because of that laser focus, we drive outstanding results. 3. Custom approach + 24/5 support While we do follow a proven framework that yields results each time, it works because we adjust it to YOUR brand and YOUR customers. We're always just an email or a call away if you have questions or need help. Visit us at https://luckandco.agency to learn more.

A digital growth agency that helps eCommerce businesses scale. Our team of entrepreneurs and creatives are passionate about growing brands and helping businesses scale. As eCommerce business owners ourselves, we understand the pain points and challenges that direct to consumer brands face because we have experienced the same struggles in our own ventures. Resources: 1. Free Consultation/Email + SMS Audit for qualified brands. 2. Complimentary Migration from any platform over to Klaviyo Standard Scope: 1. Retention Strategy, Creative Implementation, and Reporting 2. Emails Flows + Optimizations 3. SMS Flows + Optimizations 4. Monthly Email Campaigns 5. Monthly SMS Campaigns 6. Popup Builds + Optimizations

Premium eCommerce marketing services. Partner with specialist channel Directors to achieve your goals. LION stands for Leaders In Our Niche, and we are a team of seasoned and passionate eCommerce marketing specialists driven by performance and focused on providing an exceptional client experience. LION Digital was founded to bridge a gap in the agency landscape filled with just two major types of agencies: generalist agencies that are heavily relying on junior, low experience resources, and specialised agencies, focused on a single channel. Now you can house all your eCommerce marketing vendors under one roof, thanks to the innovative LION’s channel-focused model.

Tinuiti is the largest independent full-funnel marketing agency in the U.S. across the media that matters most, with $4 billion in digital media under management and more than 1,200 employees. Built for marketers who demand growth and accountability, Tinuiti unites media and measurement under one roof to eliminate waste—the biggest growth killer of all—and scale what works. Its proprietary technology, Bliss Point by Tinuiti, reveals the truth around growth and waste, and how to capitalize on it. With expert teams across Commerce, Search, Social, TV & Audio, and more, Tinuiti delivers measurable results with brutal simplicity: Love Growth. Hate Waste. https://tinuiti.com/

Domaine is the world's largest independent Shopify design and development partner. We are a team of commerce experts dedicated to creating, building, and growing beloved and ambitious brands. As pioneers and not just participants in our industry, we are inspired to write, break, and re-write the rules for a new generation of commerce.

About Us Founded in 2014 and based in Sydney, Australia, we are a team of 35+ experts dedicated to helping leading and emerging retail brands scale and grow through performance marketing. By seamlessly blending technology, creativity, and data, we craft strategies that drive real impact. We specialize in accelerating growth for DTC retail brands, working shoulder-to-shoulder with our clients to achieve measurable outcomes. We believe that true success doesn’t happen in isolation—when executed with precision, the whole is always greater than the sum of its parts. Specialising in the key pillars that drive the greatest growth, our offering is carefully crafted to focus on best-in-class platforms, methodologies, and technologies. • Acquire: Acquire new customers online and offline through paid or programmatic media channels such as search, social and digital out of home • Retention: Maximise customer lifetime value with pre and post-purchase activities through email/SMS marketing, loyalty/referral programs. • Measure: Scientific insights and data solutions across performance media, customers, orders and products that help you scale successfully. CRM Klaviyo Growth Plans Our Klaviyo Growth Plans support clients with a range of strategies to increase customer lifetime value. Our deliverables include Klaviyo audits, flow/automation strategies, deliverability, segmentation strategies, template design and implementation, campaign management, reporting, analytics and omni-channel strategies and integrations. Platform and Data Migrations We handle complex migrations between marketing platforms, ensuring your customer data, segments and templates transition smoothly with minimal disruption to your marketing operations. Our methodical approach preserves data integrity while setting you up for future growth on Klaviyo. • Platform Assessment - Thorough evaluation of your current setup to identify all critical components for migration. • Customer Data Transfer - Secure movement of customer profiles with their complete deliverability status. • Segment Preservation - Careful recreation of your valuable customer segments and list structures or establishing a new structure for changing needs • Template Implementation - Thoughtful rebuilding of your email templates with opportunities for enhancement or building new templates to provide fresh direction. • Migration Verification - Comprehensive testing to ensure all systems function properly post-migration.

Lilo Social is a full-funnel e-commerce agency out of Brooklyn, New York specializing in Email + SMS, Paid Social + Search, Creative, and Landing Pages. We help e-commerce brands scale by bringing data-driven decisions and creativity together for a full-funnel marketing approach. Our approach allows us to work alongside your brand team as your growth partner, with a true in-house feel. We have a track record of helping to engineer high-performing strategies to scale your brand, profitably.

Next level CRM & email marketing With smart automations and highly relevant campaigns, we turn email into a true growth channel. From powerful flows to always-on revenue, we help you get more out of your customer base through clever personalization and data-driven choices. Everything with one goal: maximum impact. Active across Europe We work with brands in multiple markets, always with a local approach: -The Netherlands – https://www.mailmeisters.nl/ -Germany – https://www.mailmeisters.nl/de/ -Spain – https://www.mailmeisters.nl/es/ -United Kingdom – https://www.mailmeisters.nl/en/ -Belgium – https://www.mailmeisters.nl/ Marketing automation Personal, relevant and perfectly timed. We map out the complete customer journey and build targeted automations that drive engagement and revenue at every step. Technical integrations No integration is too complex. We make sure your Email Service Provider or Customer Data Platform connects seamlessly with platforms like Magento, Shopify, WooCommerce, custom-built systems and everything in between. Klaviyo & Shopify Markets migrations Expanding internationally or moving to Shopify Markets? We’re experts in migrating complex Klaviyo setups across markets. From data structure and segmentation to flows, consent and deliverability, we make sure your Klaviyo account is fully future-proof and ready to scale, without losing performance or revenue along the way. Email marketing strategy What do you really want to achieve with email marketing? We challenge your goals, define a clear strategy and help you unlock the full potential of your database. Campaign management The backbone of your email marketing. From strong campaigns to smart follow-ups, we make sure everything fits into a well-thought-out approach that goes beyond email. CRM & database management We turn data into insight. Who are your most valuable customers? Where are growth opportunities? Using RFM segmentation and a clear customer pyramid, we create visibility and activate your database with the right automations.