Klaviyo Agency Partner Directory

We are specialized in E-Mail Marketing for E-Commerce. Currently, we mainly operate in the DACH (Germany, Austria & Switzerland) market and work with some of the biggest German E-Commerce Brands. But since this year we are also helping some clients expanding to the UK, USA, France and Poland. We are completely specialized in Klaviyo. Feel free to get in touch with us and convince yourself of our quality. We don't leave the office at 4p.m., we leave it when all our clients are on track.

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/

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/

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.

eHouse is a unique Shopify Platinum Service Partner in that we are a combination of two of the original Shopify Plus Agency Partners, along with a leading Shopify Plus Integration Partner, which means we have our own managed iPaaS that allows for endless customizable and scalable backend integrations. We also have an in-house team of Klaviyo Elite Master marketers (top 1%). No other agency can say that. To complement the Klaviyo technology stack, we also hold top partner certifications with Shopify, Rebuy, Gorgias, and Recharge.

Zettler Digital is a digital marketing agency for Klaviyo retention, paid media and Shopify development. We help brands convert better, keep more customers and spend smarter.

Arctic Leaf is a Baymard certified UX/UI design and implementation agency who takes the time to understand your brand voice and vision to deliver effective e-commerce experiences. Our suite of custom design and development services and integrations allow for bespoke web and mobile solutions that are thoughtfully created to meet the unique needs of every client. With robust expertise in UX/UI design, conversion rate optimization (CRO), software development, and growth marketing, our team has established Arctic Leaf as an innovative leader in the e-commerce and mobile development markets.

The all-in-one solution for your email marketing needs. Our team of expert strategists, copywriters, designers, and developers work together to uncover the biggest opportunities in your business and build out your revenue growth strategy. • Turnkey solution customized to your brand's needs • Senior-level experts in email strategy, copywriting, design, and development • Email team 100% focused on advanced Klaviyo strategies since 2016 • Transparent result- and data-driven reporting to guarantee a positive ROI As Klaviyo Elite Master and Shopify Plus partners, we take on a select number of projects each year that fit us well. When you hire us, you’ll receive the dedicated, professional, and personal approach of our team. We’re all avid students of ecommerce, and we are passionate about doing work that engages visitors and converts them to sales. OUR SERVICES Email Marketing Automation We develop your custom lifecycle email strategy, specific to your store and create all of the email content for each stage of the customer journey. Campaign Management Whether you have a big sale going on, or need to make an announcement, we plan and carry out your newsletter strategy. Creative Content Team Our team writes, designs, and builds engaging content to elevate your brand. Track & Report Results We keep you informed every step of the way, monitoring data and A/B testing to ensure you get results. All Owned Marketing Channels Our team helps you set up SMS, quizzes, contests, loyalty, referrals, transactional notifications, and more. We have built close partnerships with different tools we trust to bring the best value and results. ==> Get in touch with one of our email experts today to see how we can help you grow. CLIENT TESTIMONIALS "Last week we had one of our best revenue days ever. It was definitely email more so than anything. Whatever we did, let’s keep doing that. The ROI for this was ridiculously high, over 1000% easily." – Dan Corrigan, Founder @ Corganic.com "Kudos to you and your team for the amazing work on our website and email flows. Your impact on our digital presence is truly remarkable." – Tal Moore, Founder @ Popsmith "You have been with us since the start, and the care and joy you infuse into our work together is just so wonderful. Our company continues to grow and help people on their healing journeys, and we couldn’t do it without you steering the ship!" – Natalie Lavis, Marketing Communications Director @ Smidge

Groove Commerce is a full-service agency that designs, builds and grows websites for leading eCommerce brands. Founded in 2007, the agency has helped hundreds of clients drive measurable impact and ROI. Groove Commerce uses 5 Core eCommerce Metrics to build strategic and impact-driven partnerships. The agency has accumulated more than 30 industry awards for its work with clients including Dippin’ Dots, The US Open Shop and Cutter & Buck. Additionally, Inc. Magazine, The US Agency Awards and Business Insider have recognized Groove Commerce for its growth and culture. A variety of design, development, and marketing case studies are available on the Groove Commerce website. Read how Groove Commerce has delivered impact-driven results for numerous clients by following the links below: Increasing Flow-Attributed Revenue by 46% With Klaviyo: https://www.groovecommerce.com/ecommerce-blog/elmhurst-klaviyo-flows Increasing One Athleisure Brand's Email Revenue 28%: https://www.groovecommerce.com/ecommerce-blog/klaviyo-case-study/ We Increased Email Revenue 126% With Our Signature Klaviyo Jumpstart https://www.groovecommerce.com/ecommerce-blog/klaviyo-jumpstart Groove Commerce is a Platinum Klaviyo Partner, Elite BigCommerce Partner and Shopify Partner agency. For more information, please visit https://www.groovecommerce.com or reach out using the “Contact” button on the left side of the page.

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

EmailClub is the go-to agency for 7 and 8 figures ecommerce websites looking to leverage the power of Klaviyo. If your sales exceeds $100k/month, contact us to apply for an EmailClub Membership. Our team of 75 email-focused talents will be more than happy help you optimize your email marketing strategy in English, French, and Spanish.

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.

We are the Growth Gurus, your strategic partners in sustainable growth, specializing in Customer Value Optimization to drive impactful results. Our expertise lies in leveraging marketing automation technology to empower brands across various industries with deep expertise especially in Liquor, Beauty, and Health and Wellness categories, fostering deeper and more effective connections with customers to fuel business expansion. By harnessing data-driven insights, we excel in creating highly personalized experiences that significantly enhance customer engagement and loyalty. Based in Australia with a global reach, we serve clients locally and internationally, offering comprehensive support regardless of geographical location. We are proud Klaviyo Master Elite partners in the APAC region, and we've won a few industry awards along the way, most recently being awarded the Best Design Agency in APAC Award for 2023, Top 50 Most Rewarding Emerging Companies to Work for in Australia for 2023, and Best Email Personalization for 2024. Our team comprises certified professionals dedicated to driving tangible business growth, with every decision grounded in proven results. We've curated a selection of our work, including videos and case studies, to showcase our capabilities. If our approach resonates with your goals, we invite you to reach out and schedule a discovery call. We look forward to the opportunity to collaborate and propel your brand's success journey forward.

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.

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

Colorz is a French digital agency focused on accelerating the growth of online sales for ecommerce brands. • CRM: From the strategy to its implementation, we create sophisticated flows and engaging campaigns with a deep customer data analysis to help capture prospects, nurture leads, and build loyalty from existing customers. • Website : as Shopify Plus Partner, our services include UX/UI, e-shop development, CRO optimization, complex SI integration, app development and more • Design and brand content : We shoot or design engaging creative content for our customers’ digital ecosystem (video, photos, motion design, copywriting…) • Performance Marketing : we build data-driven media campaigns (Facebook, Google, Instagram, Tiktok, native ads…) to reach our clients audience and accelerate traffic and revenue growth.

Looking for an experienced strategic partner to help improve your customer journey, rev up your revenue and produce results? Andzen are certified leaders in CRM, Marketing Automation and Customer Journey Optimisation. Our team grow revenue by prioritising Conversion, Retention, and Customer Lifetime Value. How? By delivering integrated automations that talk to your buyers at the right time, in the right way on the right platforms. When templated automations fall short, choose Andzen for measurable returns. We’ve forged partnerships that help us create our custom projects for clients and integrate seamlessly with Klaviyo. In fact - we’re a long-standing global Klaviyo partner with a certified top-tier ‘Elite Master’ status. We specialise in the following: • Customer Journey Strategy & Consulting • MarTech Integration & Platform Migration • Email & SMS Marketing Automation Flows • Email & SMS Campaigns • Data Capture Strategy, Design and Build • Loyalty Program Strategy, Design, Implementation & Integration • Review Platform Implementation & Integration • Advanced Database Segmentation • CDP Migration and Setup But enough about us, you’re here for results and we are too. Check out our client testimonials and case studies to see how we’ve helped other brands achieve success. Transform your CRM marketing automations with Andzen, and stop leaving money on the table.

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'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.

&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