KlaviyoDirectory

Klaviyo Specialists

29 specialists listed · A/B Testing

Featured Partners
Underground Ecom Featured

agency · Global

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 AG1, Virgin, Britvic, Huda Beauty, Surreal, Spacegoods, Osprey, Oh Polly, Chilly's, Wild 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 and 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.

Email FlowsSMS MarketingShopify IntegrationList BuildingDeliverabilityKlaviyo SetupA/B TestingSegmentationAnalytics & ReportingE-commerce Strategy
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The Invisible Flow

freelancer · Spain

Email Retention Strategist Your cart abandonment flow is leaking money. Your post-purchase sequence is forgettable. And Klaviyo Composer just built the same flows for 10,000 other stores. I've driven 40–62% of total monthly revenue through email for DTC brands in wellness, fashion, and lifestyle — all through Klaviyo. → If you're a DTC founder doing €200K–€1M/year and want email to own 45%+ of your revenue, check out theinvisibleflow.com

Email FlowsSegmentationA/B TestingKlaviyo SetupShopify IntegrationDeliverabilityE-commerce StrategyAnalytics & ReportingList BuildingSMS Marketing
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Axial

agency · Sherbrooke, Quebec, Canada

Marketing automation means nothing without the right people behind it. Most agencies can set up an email platform. Few can actually make it work as part of a broader business strategy. That's where Axial stands apart. We've been deep in marketing automation long enough to know that the technology is only half the battle. The real work is understanding your customer journey, mapping the right touchpoints, and building sequences that feel personal rather than automated. From platform selection to campaign architecture, A/B testing, and continuous optimization, we handle every step. Whether you need a win-back flow for lapsed customers, a VIP retention strategy, or a full data-driven email program built on platforms like Klaviyo, our team brings both the strategic thinking and the technical depth to deliver. And because we're also the ones who built your e-commerce infrastructure, we don't just send emails into the void. We connect your marketing to your systems, your data, and your actual business goals. The result is a marketing engine that runs smarter over time, not just louder. That's not a promise. That's 20 years of knowing what actually works.

Email FlowsSMS MarketingShopify IntegrationList BuildingSegmentationKlaviyo SetupDeliverabilityAnalytics & ReportingE-commerce StrategyA/B Testing
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CAKE Commerce

agency · USA

Klaviyo-focused retention marketing agency for DTC eCommerce brands. Specializes in lifecycle email and SMS automation.

Email FlowsSMS MarketingSegmentationCampaignsA/B TestingKlaviyo Setup
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Disruptive Advertising

agency · Lindon, UT, USA

Performance marketing agency offering Klaviyo email and SMS services alongside PPC, social, and CRO.

Email FlowsCampaignsSMS MarketingA/B TestingAnalytics & ReportingSegmentation
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Blue Stout

agency · USA

Conversion-focused Shopify Plus agency with Klaviyo expertise. Specializes in optimizing the post-purchase experience through email flows.

Email FlowsShopify IntegrationKlaviyo SetupConversion OptimizationA/B Testing
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Essence of Email

agency · USA

Specialist email marketing agency focused on Klaviyo and lifecycle marketing for eCommerce brands. Known for deep Klaviyo expertise and custom flow architecture.

Email FlowsSegmentationDeliverabilityKlaviyo SetupMigrationA/B TestingCampaign Strategy
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Wpromote

agency · El Segundo, CA, USA

Top-tier digital marketing agency and Klaviyo partner. Offers integrated email/SMS with paid media and SEO for holistic growth.

Email FlowsCampaignsSMS MarketingKlaviyo SetupSegmentationA/B TestingAnalytics
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Email Industries

agency · USA

Email-first agency with Klaviyo specialization. Known for their data-driven approach to email marketing for eCommerce.

Email FlowsCampaignsSegmentationA/B TestingDeliverabilityTemplate Design
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ActionRocket

agency · London, UK

UK-based email design and strategy agency. Works with Klaviyo for eCommerce clients needing premium email experiences.

Template DesignEmail FlowsCampaignsA/B TestingDeliverability
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Flypost Agency

agency · Los Angeles

Email and SMS retention agency for Shopify brands on Klaviyo. We build flows, campaigns, and segmentation strategies that grow repeat revenue and protect brand equity. Six published case studies.

Email FlowsSMS MarketingShopify IntegrationList BuildingSegmentationA/B TestingKlaviyo SetupDeliverabilityAnalytics & ReportingE-commerce Strategy
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Holistic Email Marketing

agency · United Kingdom

UK email marketing consultancy providing strategic Klaviyo guidance, audits, and training for e-commerce and retail brands.

Email FlowsDeliverabilitySegmentationA/B TestingAnalytics & Reporting
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The Good

agency · United States

Conversion rate optimization and email marketing agency using Klaviyo to improve customer journeys and retention for e-commerce brands.

Email FlowsA/B TestingAnalytics & ReportingE-commerce StrategySegmentation
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Email Uplers

agency · India

Specialized email marketing team offering Klaviyo design, development, and automation services for global e-commerce brands.

Email FlowsKlaviyo SetupA/B TestingDeliverabilityAnalytics & Reporting
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OMG Commerce

agency · United States

Performance marketing agency with a dedicated Klaviyo practice, helping e-commerce brands scale email revenue through data-driven automation.

Email FlowsSegmentationA/B TestingAnalytics & ReportingE-commerce Strategy
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Alchemy Worx

agency · United Kingdom

UK-based email marketing agency specializing in Klaviyo strategy, deliverability, and advanced segmentation for retail and e-commerce brands.

Email FlowsDeliverabilitySegmentationA/B TestingAnalytics & Reporting
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The Email Marketers

agency · United States

Klaviyo-certified email marketing agency focused on e-commerce retention, revenue-driven automation, and lifecycle campaigns.

Email FlowsSegmentationKlaviyo SetupList BuildingA/B Testing
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Uplers

agency · India

Global digital agency offering Klaviyo email marketing services including template design, automation setup, and campaign management.

Email FlowsKlaviyo SetupA/B TestingAnalytics & ReportingDeliverability
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Inbox Army

agency · United States

Full-service email marketing agency specializing in Klaviyo strategy, flows, campaigns, and ongoing optimization for e-commerce brands.

Email FlowsKlaviyo SetupSegmentationA/B TestingAnalytics & Reporting
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Brave Agency

agency · Manchester, UK

Brave Agency is a certified Klaviyo partner and award-winning digital marketing agency specialising in email marketing, paid media, and eCommerce growth for ambitious brands.

Email FlowsKlaviyo SetupA/B TestingList BuildingDeliverability
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No Limit Email

agency · Chicago, IL, USA

No Limit Email is a Klaviyo-focused email marketing agency delivering revenue-driven strategies for eCommerce brands. They specialize in email automation, campaign management, and list monetization.

Email FlowsKlaviyo SetupSegmentationA/B TestingE-commerce Strategy
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EmailClub

agency · London, UK

EmailClub is a boutique Klaviyo agency helping eCommerce brands unlock the revenue potential of their email lists through strategic flows, campaigns, and data-driven optimization.

Email FlowsKlaviyo SetupA/B TestingList BuildingAnalytics & Reporting
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Hustler Marketing

agency · Amsterdam, Netherlands

Hustler Marketing is a Europe-based email marketing agency and Klaviyo Partner focused on eCommerce brands. They specialize in high-converting email flows, list growth, and retention strategies.

Email FlowsList BuildingKlaviyo SetupSegmentationA/B Testing
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DIDO Agency

agency · Los Angeles, CA, USA

DIDO Agency is a full-service email and SMS marketing agency focused on eCommerce brands. They handle copy, design, analytics, and Klaviyo automation to drive retention and revenue.

Email FlowsSMS MarketingA/B TestingKlaviyo SetupList Building
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Arctic Leaf

agency · Austin, TX, USA

Arctic Leaf is a UX-certified digital agency specializing in user experience design for custom eCommerce websites and advanced Klaviyo email marketing for growing DTC brands.

Klaviyo SetupEmail FlowsShopify IntegrationA/B TestingE-commerce Strategy
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Lilo Social

agency · Austin, TX, USA

Lilo Social is an eCommerce growth marketing agency scaling DTC brands with full-funnel strategies including paid ads, email, SMS, UGC, and CRO. Trusted Klaviyo partner for top DTC brands.

Email FlowsSMS MarketingList BuildingE-commerce StrategyA/B Testing
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Magnet Monster

agency · Glasgow, UK

Magnet Monster is a Klaviyo Master Elite agency focused on email marketing for eCommerce brands. They specialize in lifecycle automation, flow optimization, and revenue-driven email strategies for DTC brands globally.

Email FlowsKlaviyo SetupA/B TestingSegmentationDeliverability
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Tinuiti

agency · New York, NY, USA

Tinuiti is the largest independent full-funnel performance marketing agency in the US, offering end-to-end email, SMS, and lifecycle marketing services powered by Klaviyo.

Email FlowsSMS MarketingSegmentationAnalytics & ReportingA/B Testing
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Flowium

agency · New York, NY, USA

Flowium is a certified Klaviyo Elite Partner specializing in email marketing for eCommerce brands. They help DTC and Shopify stores grow revenue through strategic email flows, campaigns, and automation.

Email FlowsKlaviyo SetupSegmentationE-commerce StrategyA/B Testing
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