KlaviyoDirectory

Klaviyo Specialists

20 specialists listed · Deliverability

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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MailNinja

agency · London, UK

UK-based email marketing agency with Klaviyo expertise. Serves eCommerce brands across Europe and UK.

Email FlowsCampaignsTemplate DesignKlaviyo SetupSMS MarketingDeliverability
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Inbox Stars

agency · USA/UK

Email deliverability consultancy with Klaviyo expertise. Specialists in getting emails to the inbox, not spam.

DeliverabilityKlaviyo SetupList CleaningAuthenticationWarm-up Strategies
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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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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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RPM Digital

agency · United Kingdom

Performance email marketing agency offering Klaviyo strategy, lifecycle automation, and retention campaigns for e-commerce and DTC brands.

Email FlowsKlaviyo SetupSegmentationDeliverabilityAnalytics & Reporting
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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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Email Movers

agency · United Kingdom

UK-based email marketing agency providing strategic Klaviyo implementation, campaign management, and deliverability services.

Email FlowsDeliverabilityKlaviyo SetupSegmentationAnalytics & Reporting
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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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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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Email Broadcast

agency · United States

Dedicated email marketing agency providing Klaviyo campaign management, automation flows, and list growth for e-commerce businesses.

Email FlowsList BuildingKlaviyo SetupDeliverabilityAnalytics & 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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Mailmeisters

agency · Berlin, Germany

Mailmeisters is a European email marketing agency and certified Klaviyo partner helping eCommerce brands across Germany and Europe build scalable email automations and grow their revenue.

Klaviyo SetupEmail FlowsSegmentationList BuildingDeliverability
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IMPRO Email Agency

agency · London, UK

IMPRO is a certified Klaviyo partner and email & SMS marketing agency helping eCommerce brands of all sizes boost ROI through strategic flows, campaigns, and deliverability optimization.

Email FlowsKlaviyo SetupDeliverabilitySMS MarketingSegmentation
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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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