Klaviyo Agency Partner Directory

s360 is an award-winning performance marketing agency housing +200 digital specialists in multiple offices around Scandinavia. Led by technology and driven by data, we help advertisers make significant and measurable improvements in their digital marketing. We’re privileged to work with innovative companies and proud that our results get international recognition: - European Search Awards: 2 x Winner - SEMrush Nordic Search Awards: 3 x Winner - European Content Awards: Winner - The Drum Search Awards: Winner - UK Search Awards: Winner Read more about our work, services, and people on s360digital.com.

PAASE is a UK-based, Klaviyo Master Elite agency founded in 2019 and headquartered in Milton Keynes/Buckinghamshire. From the outset, we’ve specialised in helping eCommerce and D2C brands harness zero‑ and first‑party data to craft smarter, more personalised email and SMS journeys. As pioneers, we were the first UK agency to achieve Klaviyo Platinum Master status, and the first Elite Master partner headquartered in EMEA. Our approach blends cutting‑edge AI with rigorous commercial focus. We design predictive segmentation and dynamic content workflows that adapt in real time—optimising send times, content, and customer experiences at every stage. Leveraging an Urgency‑Impact framework, we prioritise high‑ROI initiatives through iterative testing and AI‑driven automation, ensuring efficiency and relevance. We form long‑term partnerships rooted in transparency, data‑backed decisions, and shared success. Whether delivering rapid revenue uplifts—such as a 233 % increase in automated revenue and 238 % more daily orders for Okanui—or building sustainable frameworks, our portfolio spans global brands across beauty, fashion, homewares, wellness, and more. With PAASE, Klaviyo clients gain a partner who merges technology, strategy, and commercial insight to fuel scalable growth.

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

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

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

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/

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

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

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.

IM Digital, a full service eCommerce agency, delivers on what your customers want - unique content and an innovative approach to meeting their needs - by giving them a holistic e-commerce solution fueled to transform the way they think, work and grow. Value | Business Consulting: We help our clients see beyond today’s challenges to the opportunities of tomorrow. We support them in creating value that defines businesses and changes industries while reducing technical debt. Formulate | Experience Consulting: We provide a vision for the future that is innovative and customer- focused. We help design an experience that builds loyalty with customers and gives clients the creativity to chart a roadmap for their future. Benefit | Technology Consulting: We have experience and perspective to know the difference between what’s on trend and what’s true. We provide the know-how to turn making into making dollars and sense. Contact us today: https://www.imdigital.com/contact

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.

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.

Get more value from your marketing efforts with a proven Klaviyo Elite Master partner. Northern is relied on for our expertise in delivering exceptional retail experiences and maximizing eCommerce performance. With a proven track record of empowering businesses to thrive in the competitive digital landscape, Northern Commerce stands at the forefront of innovation, specializing in Klaviyo integrations and collaborating seamlessly with various platforms such as Commerce Cloud, Adobe, Big Commerce, and Shopify.

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.

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.

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.

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.

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.

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.

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