Klaviyo Agency Partner Directory

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/

Mineral.io is a full-service retention marketing agency that helps DTC brands increase customer lifetime value through data-driven email, SMS, direct mail, and push notification campaigns. Our retention programs are designed to build loyalty, boost repeat purchases, and maximize ROI across every customer touchpoint. With multiple program tiers, we customize each strategy to fit your brand’s unique goals and growth stage. Learn more about our retention marketing services here: https://www.mineral.io/#Services

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.

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.

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

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

Brynley King is a results-driven eCommerce Marketer specialising in Advanced Email Marketing (Klaviyo Master Platinum Partner), eCommerce Conversion Optimisation and eCommerce Growth Strategy. Based on the Gold Coast, Australia, Brynley is the 2018 Australian Women in Digital - Digital Marketer of the Year and Top 102 International Pioneers of Chinese juggernaut Alibaba.com’s B2B platform. Bryn’s mission is to help accelerate the growth of eCommerce brands working to the Audit, Strategy, Action Plan, Implementation, Analysis & Repeat framework. Over the last 10 years Bryn has personally worked with over 70 Australian based brands such as Naked Harvest Supplements, Infamous Swim, Ugg Since 1974, Sans Drinks, Tesalate, Velour, Evolve Skateboards, VANI-T Tan & Makeup, Seed & Sprout and The Digital Picnic just to name a few.

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.

Ecommerce Strategy & Development Agency | Miami, FL Located in the dynamic city of Miami, Florida, and supported by satellite offices in Los Angeles, California, and Lisbon, Portugal, Absolute Web has established itself as a prominent Ecommerce Growth Agency since 1999. Our unwavering commitment to helping businesses achieve and surpass their ecommerce goals is driven by the utilization of cutting-edge technologies, customized development processes, user-centric UI/UX designs, seamless API integrations, and effective digital marketing strategies. Our agency's core strengths include: 1. Shopify Development 2. Magento Development 3. BigCommerce Development 4. Custom Solutions 5. API Integration 6. Replatforming & Data Migration 7. UI/UX Web Design 8. Conversion Rate Optimization 9. Email & SMS Automation 10. Paid Media Marketing 11. Search Engine Optimization

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.

&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

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.

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

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

Next level CRM & email marketing! With the best automations and relevant campaigns, we boost your sales. We create different automations and an ever-growing revenue. By smart personalization we take control of your customer base and go for maximum results. Email marketing strategy What do you really want to achieve with E-mail marketing? We'll take you through and help you get the most out of your database. Campaign management The foundation of your email marketing strategy. Naturally, we also think beyond email to create a solid 360º approach. Marketing automation Personal & timely. Together we map out your customers' customer journey. Based on this, we build targeted automations to boost your sales. CRM & Database management We provide insight into your database. Who are your top customers, and which customers can we reactivate? We build RFM segments, make them visible using a customer pyramid and then apply the very best automations.

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

Power Digital is a tech-enabled growth firm––at the intersection of marketing, consulting & data intelligence––igniting revenue and brand recognition for leading and emerging companies around the world. At the heart of Power Digital is proprietary technology, nova, which analyzes businesses through first-party data, simplifying investment planning for marketing and diligence in M&A––putting marketers in a strategic seat at the table––and providing value in unparalleled ways. Managing billions in media, Power Digital’s dynamic team––of consultative marketers, creatives, analysts and technologists––challenges traditional ways of planning, execution and measurement through meticulous testing and data science across each milestone of the customer journey.

Flowium is a full-service Email Marketing Agency run by a team of proven experts. As a Klaviyo elite agency, our mission is to deliver results-driven email marketing for growth-focused eCommerce brands. We do it by providing you with an all-star team of pros to take care of everything related to email marketing, including: • Klaviyo account set up • Full email marketing strategy (abandoned cart, browser abandonment, welcome series, etc.) • Campaign content calendar • Email copy that fits your brand and connects with your customers • Email design optimized for mobile and dark mode • Technical set up and regular maintenance • Continuous testing and optimization for even better results We also offer SMS marketing to maximize engagement and repurchase rates with your brand. 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 500+ brands 💎 30%+ Average Email Marketing Revenue 🔥 $352M Email Revenue For real, revenue-boosting email marketing solutions, contact us. ⭐ Discover our top client success stories. Check them out here: https://flowium.com/new-case-studies/

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.

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.