KlaviyoDirectory

Klaviyo Specialists

57 specialists listed · SMS Marketing

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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Retention Harbor Featured

agency · New York, NY, USA

Retention Harbor is a dedicated retention marketing agency specializing in Klaviyo-powered email and SMS for eCommerce brands, focused on increasing customer LTV and reducing churn.

Email FlowsSMS MarketingSegmentationKlaviyo SetupAnalytics & Reporting
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All Listings
Lantern

agency · USA

Lantern is a retention and lifecycle marketing agency delivering Klaviyo email and SMS flows, segmentation, and campaign strategy for DTC ecommerce brands.

KlaviyoEmail FlowsSMS MarketingSegmentationRetention
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Grow Revenue

agency · USA

Grow Revenue is an email and SMS marketing agency building Klaviyo retention programs, lifecycle flows, and campaign strategy for ecommerce brands.

KlaviyoEmail FlowsSMS MarketingRetentionCampaign Management
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Elumynt

agency · USA

Elumynt is a growth-focused ecommerce agency delivering Klaviyo lifecycle email and SMS marketing, retention flows, and paid acquisition for DTC brands.

KlaviyoEmail FlowsSMS MarketingRetentionE-commerce Strategy
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Structured Agency

agency · USA

Structured is a performance ecommerce agency running paid media alongside Klaviyo email and SMS retention programs for scaling DTC brands.

Email FlowsSMS MarketingKlaviyoPaid MediaRetention
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Noticed

agency · USA

Noticed is an ecommerce growth agency and Klaviyo partner helping DTC brands grow retention revenue through email and SMS lifecycle marketing, flows, and campaigns.

Email FlowsSMS MarketingKlaviyoLifecycle MarketingE-commerce Strategy
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Strategy Maven Agency

agency · Los Angeles & New Orleans, USA

Strategy Maven is a boutique Klaviyo consultancy specializing in lifecycle CRM and retention marketing for product-based D2C brands in food & beverage, health, beauty, and fashion.

KlaviyoLifecycle CRMRetention StrategyEmail FlowsSMS MarketingSegmentation
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Klar Agency

agency · Europe

Klar Agency is an ecommerce email and SMS marketing agency building Klaviyo retention programs, lifecycle flows, and campaigns for growing DTC brands.

Email MarketingSMS MarketingLifecycle FlowsKlaviyoRetention Strategy
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ondevi

agency · Munich, Germany

ondevi is a Munich-based email and WhatsApp marketing agency specializing in ecommerce retention with a full-suite retention system. Services span email, WhatsApp, SMS, push, migrations, loyalty, and subscription integration.

Email MarketingWhatsApp MarketingSMS MarketingKlaviyo MigrationRetention Strategy
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GR0

agency · Los Angeles, CA, USA

GR0 is a leading digital agency offering a full range of marketing services including email and SMS, paid media, creative, content, and SEO, helping brands grow through data-driven performance marketing and storytelling.

Email MarketingSMS MarketingSEOPaid MediaContent
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Optimite

agency · United States

Optimite is a Klaviyo Master Platinum retention agency for ecommerce brands doing $1M-$30M. They build email, SMS, lifecycle, loyalty, and list-growth programs as one connected system across wellness, beauty, fashion, and food & beverage.

Email MarketingSMS MarketingLifecycle FlowsLoyaltyDeliverability
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Threadpoint

agency · United States

Threadpoint is a Klaviyo Master Platinum partner specializing in email and SMS retention marketing for DTC and Shopify brands. Services include lifecycle flows, campaign management, segmentation, deliverability, and retention strategy consulting.

Email MarketingSMS MarketingLifecycle FlowsRetention StrategyKlaviyo
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&bam

agency · Charlottetown, PE, Canada

&bam is a full-service email and SMS marketing agency that builds and refines Klaviyo programs for ecommerce brands, focused on flows, campaigns, and retention that drive measurable revenue.

Email MarketingSMS MarketingKlaviyo FlowsRetentionCampaign Strategy
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Mavlers

agency · San Jose, CA, USA

Mavlers is a global digital and lifecycle marketing partner helping ecommerce and DTC brands get the most from Klaviyo through strategy, automation, advanced segmentation, and scalable cross-channel execution across email, SMS, and push.

Klaviyo Lifecycle MarketingEmail AutomationSegmentationSMS MarketingCross-Channel Strategy
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Mineral

agency · New York, NY, USA

Mineral is a done-for-you retention marketing agency running Klaviyo email, SMS, and direct mail programs designed to grow customer lifetime value and loyalty for ecommerce brands.

KlaviyoEmail MarketingSMS MarketingDirect MailRetention
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Sweat Pants Agency

agency · Maryland, USA

Sweat Pants Agency is a full lifecycle email and SMS marketing agency for DTC and B2B brands, managing Klaviyo campaigns and flows end-to-end for fast, measurable growth.

Email MarketingSMS MarketingKlaviyoLifecycle MarketingEcommerce Strategy
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Retention Lab

agency · United Kingdom

Retention Lab is a Klaviyo email marketing agency for Shopify ecommerce brands, increasing revenue through data-led email and SMS that drives sales, retention, and repeat purchases.

KlaviyoEmail MarketingRetentionShopifySMS Marketing
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Webistry

agency · Montreal, Canada

Webistry is a performance and ecommerce marketing agency that builds Klaviyo email and SMS programs alongside paid acquisition to drive full-funnel growth for DTC brands.

KlaviyoEmail MarketingSMS MarketingPaid MediaEcommerce Growth
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BlueTuskr

agency · Philadelphia, PA, USA

BlueTuskr is a full-service ecommerce marketing agency offering Klaviyo email and SMS marketing, automation, and retention strategy for online sellers and DTC brands.

KlaviyoEmail MarketingSMS MarketingEcommerceRetention
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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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Reload Media

agency · Brisbane, Australia

Australian digital marketing agency with Klaviyo email and SMS marketing for eCommerce brands.

Email FlowsCampaignsSMS MarketingKlaviyo SetupSegmentationAnalytics
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Visiture

agency · Charleston, SC, USA

eCommerce performance marketing agency (merged with Wpromote) known for Klaviyo lifecycle marketing.

Email FlowsCampaignsSMS MarketingAnalytics & ReportingE-commerce Strategy
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Power Digital Marketing

agency · San Diego, CA, USA

Full-service growth marketing agency with a dedicated Klaviyo practice. Known for their proprietary nova platform combining data analytics with Klaviyo execution.

Email FlowsSMS MarketingCampaign StrategySegmentationKlaviyo SetupAnalytics & ReportingLifecycle Marketing
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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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MuteSix

agency · Los Angeles, CA, USA

Performance marketing agency with deep Klaviyo expertise, specializing in DTC eCommerce growth through integrated email + paid media strategies.

Email FlowsCampaignsSMS MarketingLifecycle MarketingShopify IntegrationSegmentation
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Absolute Web

agency · Miami, FL, USA

Full-service eCommerce agency with Klaviyo integration expertise. Strong in Shopify Plus + Klaviyo implementations.

Klaviyo SetupEmail FlowsShopify IntegrationMigrationCampaignsSMS Marketing
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Avex Designs

agency · New York, NY, USA

Shopify Plus agency with dedicated Klaviyo email marketing services. Known for design-forward email campaigns.

Email FlowsCampaignsKlaviyo SetupShopify IntegrationTemplate DesignSMS Marketing
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Sharma Brands

agency · New York, NY, USA

DTC brand builder and growth agency founded by Nik Sharma. Provides Klaviyo strategy and implementation for fast-growing consumer brands.

Email FlowsSMS MarketingCampaignsKlaviyo SetupE-commerce Strategy
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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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Eventige

agency · New York, NY, USA

Brand strategy and marketing agency specializing in Klaviyo for lifestyle and fashion eCommerce brands.

Klaviyo SetupEmail FlowsSMS MarketingCampaignsShopify IntegrationList Building
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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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Chain of Demand

agency · USA

Retention marketing agency built specifically around Klaviyo for eCommerce. Strong focus on revenue attribution and ROI.

Email FlowsCampaignsSMS MarketingSegmentationAnalytics & ReportingKlaviyo Setup
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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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The Stable

agency · Melbourne, Australia

Australian eCommerce agency with Klaviyo email marketing services. Strong in the APAC market.

Klaviyo SetupEmail FlowsCampaignsShopify IntegrationSMS Marketing
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Ragnarok

agency · USA

DTC growth agency with Klaviyo email and SMS as a core offering. Focus on scaling eCommerce brands through retention.

Email FlowsSMS MarketingCampaignsSegmentationKlaviyo SetupList Building
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Hive Digital Strategy

agency · USA

Digital marketing agency with dedicated Klaviyo email services for eCommerce.

Klaviyo SetupEmail FlowsCampaignsSegmentationSMS Marketing
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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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Growth Curve Agency

agency · United States

E-commerce growth agency leveraging Klaviyo email and SMS marketing to build retention-focused revenue streams for online brands.

Email FlowsSMS MarketingKlaviyo SetupList BuildingE-commerce Strategy
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Hawke Media

agency · United States

Full-service DTC marketing agency offering Klaviyo email marketing, SMS automation, and retention strategies as part of comprehensive growth solutions.

Email FlowsSMS MarketingKlaviyo SetupE-commerce StrategyAnalytics & Reporting
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Retention Commerce

agency · United States

E-commerce retention marketing agency specializing in Klaviyo email flows, SMS campaigns, and customer lifecycle strategy.

Email FlowsSMS MarketingSegmentationE-commerce StrategyAnalytics & Reporting
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Ecom Growers

agency · United States

Email and SMS marketing agency focused on Klaviyo-powered retention strategies for e-commerce brands seeking predictable revenue growth.

Email FlowsSMS MarketingKlaviyo SetupSegmentationE-commerce Strategy
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Blue Wheel Media

agency · United States

Multi-channel e-commerce agency offering Klaviyo email and SMS marketing services for marketplace and DTC brands.

Email FlowsSMS MarketingKlaviyo SetupShopify IntegrationE-commerce Strategy
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Pilothouse

agency · Canada

Full-funnel performance agency leveraging Klaviyo email and SMS marketing for direct-to-consumer brands seeking scalable growth.

Email FlowsSMS MarketingSegmentationAnalytics & ReportingE-commerce Strategy
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Convert Digital

agency · Australia

Australian Klaviyo Certified Partner specializing in email marketing, SMS automation, and retention strategies for Shopify stores.

Email FlowsSMS MarketingKlaviyo SetupShopify IntegrationSegmentation
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Common Thread Collective

agency · United States

Leading DTC growth agency using Klaviyo for advanced email and SMS retention marketing for high-growth e-commerce brands.

Email FlowsSMS MarketingSegmentationAnalytics & ReportingE-commerce Strategy
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Homestead Studio

agency · Dallas, TX, USA

Homestead Studio is a growth-focused Klaviyo agency for eCommerce brands, specializing in email strategy, automation builds, and SMS marketing to drive sustainable revenue growth.

Email FlowsSMS MarketingKlaviyo SetupList BuildingAnalytics & Reporting
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Brynley King

freelancer · Sydney, Australia

Brynley King is one of Australia's leading Klaviyo Expert freelancers, developing and implementing advanced email & SMS marketing strategies for eCommerce brands as a certified Klaviyo specialist.

Email FlowsKlaviyo SetupSMS MarketingSegmentationE-commerce Strategy
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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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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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Chronos Agency

agency · Singapore

Chronos Agency is a globally recognized eCommerce email and SMS marketing agency and Klaviyo Elite Partner, helping brands maximize retention and lifetime value through lifecycle marketing.

Email FlowsSMS MarketingSegmentationKlaviyo SetupAnalytics & Reporting
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YOCTO Agency

agency · London, UK

YOCTO provides world-class CRM strategy for rapid-growth DTC e-commerce brands, helping them scale with Klaviyo email & SMS, data-driven segmentation, and lifecycle marketing.

Email FlowsSMS MarketingSegmentationE-commerce StrategyAnalytics & Reporting
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AMB Interactive

agency · London, UK

AMB Interactive is a digital marketing agency specialising in email and SMS marketing, driving growth through smart, data-led strategies and Klaviyo automation for eCommerce brands.

Email FlowsSMS MarketingKlaviyo SetupSegmentationAnalytics & Reporting
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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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Andzen

agency · Brisbane, Australia

Andzen is an award-winning global Klaviyo Master Elite Partner agency specialising in retention marketing, lifecycle CRM, and email & SMS automation for ecommerce brands across Australia, the US, and UK.

Email FlowsSMS MarketingSegmentationKlaviyo SetupE-commerce Strategy
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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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