Klaviyo Experts for Shopify Stores

Klaviyo experts look after the customer-data and messaging layer of a Shopify store. Klaviyo now calls itself an autonomous B2C CRM: it unifies data from Shopify and 350+ other apps, then automates email, SMS, WhatsApp, RCS and mobile push, with service tools such as Customer Hub and Customer Agent alongside. Merchants hire for the jobs that sit between the two systems. Onsite tracking that actually fires. Flows triggered by real Shopify behaviour. Consent that syncs the right way. Segments built on profile data the next sync won't overwrite. Others need flows and lists moved across from another email platform, or tracking wired into a headless storefront. The Klaviyo badge is on 44 shopexperts profiles as of October 2026 — 23 agencies and 21 freelancers, with the biggest groups in the US, Canada and the UK. Compare the profiles below, or send a short brief naming your Shopify plan, your theme and the flows you already run.

Klaviyo: Email Marketing & SMS

4.7(3,413)

Free to install

Klaviyo: Email Marketing & SMS

4.7(3,413)

Free to install

Top-rated Klaviyo experts

Marcello Riccio

Growth ConsultantRome, ItalyFrom $60

5.00(2 reviews)

shopexpertsscore

10+ Years Ecommerce Expert | Growth Hacker | Shopify Specialist I specialize in turning Shopify stores into high-performance revenue machines, I combine deep marketing expertise with technical development. Having founded, bootstrapped, and successfully exited my own ecommerce business within five years, I understand the ecosystem from the founder’s perspective. I help Shopify merchants maximize profit through a data-driven mix of: Strategic Growth: Scaling via Paid Media (Meta/Google) & Organic Traffic (SEO) & Marketing automation Technical Edge: Custom App development and Google Ads Scripts to automate performance. Efficiency: Marketing & Operational automation to lean out your workflow. Profitability: CRO and retention strategies that stick. Whether you need a high-level consultant or a hands-on operator, I bridge the gap between technical execution and business ROI. Let’s scale your store.

Theme & App Skills

Klaviyo

Shopify Checkout Blocks

MESA

Omnisend

Shopify Flow

PageFly

Judge.me

Aftersell Post Purchase Upsell

Visually – A/B Testing & CRO

Shoplift – Split & A/B Testing

Growave

Loop Subscriptions

Kno Commerce

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HRVST

AgencyOttawa, CanadaFrom $180

5.00(3 reviews)

shopexpertsscore

We design and build on Shopify – and we’ve been doing it since 2014. Strategy leads. Design sets the tone. Development brings it home. We’ve launched 200+ ecommerce sites and supported 400+ brands, from neighbourhood shops to global rollouts. Our team handles everything from full store builds and redesigns to custom theme development, complex migrations, and third-party integrations. We’re certified Shopify Plus Partners with deep experience in B2B and wholesale, multi-region storefronts, custom checkout flows, and enterprise-level launches. Beyond builds, we help brands grow. That includes performance and accessibility audits, conversion rate optimization, email & SMS integrations, and long-term technical planning that scales with the business. We focus on clean architecture and performance-first implementations that hold up as teams and traffic grow. What makes us different? We move with purpose. We adapt fast. And we know how to ship great work without the bloat. Oh – and yes, we still do branding. Gotta stick to our roots. Reach out. We’d love to chat.

Theme & App Skills

Klaviyo

Kickflip

FoxSell Bundle Builder

Judge.me

Clean Canvas Themes

Horizon Theme

PageFly

Recharge

Shopify Checkout Blocks

Shopify Flow

Shopify Point of Sale

Smile

Archetype Themes

Growave

Shopify Audiences

Shopify Forms

Shopify Combined Listings

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Zettler Digital

AgencyWashington, United StatesFrom $2500

5.00(153 reviews)

shopexpertsscore

Zettler Digital is a digital marketing agency for Klaviyo retention, paid media and Shopify development. We help brands convert better, keep more customers and spend smarter. Shopify Premier Partners | Klaviyo Elite Partners | Meta Business Partners | Google Partners

Theme & App Skills

Klaviyo

FoxSell Bundle Builder

Infinite Product Options

Recharge

Shopify Checkout Blocks

Shopify Flow

Shopify Point of Sale

Smile

Kim

Judge.me Email Marketing

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Vevol Media - Shopify Plus Partner

AgencyDublin, IrelandFrom $2500

5.00(2 reviews)

shopexpertsscore

Vevol Media is a Shopify Plus Partner agency specialised in web development and email marketing, with a strong focus on CRO growth & migrations to Shopify Plus. They have collaborated with renowned brands such as: Bound Apparel (Ireland) One Dame Lane (Ireland) DY Nutrition (US) Dossier Perfumes (US) and many more. Their expertise is also recognised through the creation of an official Shopify theme, “Noblesse”, and their community involvement is reflected by organising events like Shopify Meetup CEE (2025/26) and Shopify Meetup Dublin (2025). Their team provides end-to-end migration solutions to Shopify and Shopify Plus, transforming complex stores from platforms such as Magento or VTEX into modern, high-performance experiences. To date, they have completed over 35+ migrations for clients across various industries, from fashion and lifestyle to jewellery and B2B. For further information, visit www./vevolmedia.com/

Theme & App Skills

Klaviyo

FoxSell Bundle Builder

Judge.me

Omnisend

Recharge

Shopify Checkout Blocks

Shopify Flow

Shopify Point of Sale

Smile

Archetype Themes

Clean Canvas Themes

Eight Themes

Horizon Theme

Arc: llms.txt

OrderEditing.com

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Kate Wilson

Front-End DeveloperWashington, United StatesFrom $2500

5.00(11 reviews)

shopexpertsscore

I help Shopify brands launch, scale, and optimize their online stores through custom theme development, advanced section builds, and seamless app integrations like subscriptions. With 8 years of hands-on Shopify experience and over a decade in tech, I deliver reliable, conversion-focused solutions that are easy to maintain as your business grows.

Theme & App Skills

Klaviyo

Smile

Recharge

Archetype Themes

Clean Canvas Themes

Eight Themes

Horizon Theme

Krown Themes

Out of the Sandbox Themes

Surge Themes

Troop themes

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Joshua Corby

Front-End DeveloperLondon, United KingdomFrom $85

5.00(4 reviews)

shopexpertsscore

I’ve been a Shopify developer for over seven years, working with clients worldwide on everything from bespoke themes to platform migrations and custom app development. I regularly collaborate with Shopify Plus clients, delivering tailored solutions that meet diverse needs and budgets. I run my own independent studio in the UK, specialising in Shopify theme and custom app development. I thrive on projects that demand creativity and bespoke solutions, pushing boundaries to deliver the best results for my clients.

Theme & App Skills

Klaviyo

Recharge

Archetype Themes

Horizon Theme

Whiley Mai

Out of the Sandbox Themes

Loox ‑ Visual Product Reviews

Shopify Checkout Blocks

PageFly

Rivo: Loyalty Program, Rewards

Smile

Shopify Flow

Eight Themes

Gempages

Recurpay

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Codersy

AgencyBelgrade, SerbiaFrom $500

5.00(22 reviews)

shopexpertsscore

Codersy is a Shopify focused agency that designs and builds high converting storefronts for growing brands. With 300+ projects delivered, we specialise in Shopify and Shopify Plus, custom theme development, and performance first builds that feel pixel perfect on every device. We also handle complex integrations and custom apps when off the shelf solutions fall short. Expect clear communication, disciplined QA, and an owner ready handover so your store stays fast, stable, and easy to evolve long term.

Theme & App Skills

Klaviyo

ShopOS

Infinite Product Options

Judge.me

MESA

Omnisend

PageFly

Recharge

Shopify Checkout Blocks

Shopify Flow

Shopify Point of Sale

Smile

Archetype Themes

Clean Canvas Themes

Eight Themes

Horizon Theme

Giftnote

Kartuu ‑ Printable Gift Cards

Blox: Block Customer Blacklist

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Maukau

AgencyParis, FranceFrom $500

5.00(5 reviews)

shopexpertsscore

Maukau (pronounced mo-ko ) takes a holistic approach to e-commerce growth. We identify and execute on the highest-impact opportunities across your entire business—not just your storefront. Since 2016, we've worked exclusively on Shopify, helping merchants with established product-market fit break through their revenue ceiling. What we do: → Complete store redesigns & Shopify Plus migrations → Store audits & analytics → CRO & UI/UX optimization → Back-end automation & operational workflows → Retail & international expansion → Strategic guidance on where to focus for maximum impact Back-end stack: Matrixify · Mechanic · Shopify Flow · SupaEasy (Shopify Functions) · Checkout Blocks (Checkout Extensibility) · Elevar · Prediko · Order Edit · Baback · Siena · Atlas Pickup Points Marketing & retention: Klaviyo · Loyoly · WhatsApp · JudgeMe · Social Snowball Our average client relationship spans 4 years. Merchants see +78% revenue growth on average after their first year working with us. Based in Paris with US/UK backgrounds and native English fluency—we work seamlessly with international brands.

Theme & App Skills

Klaviyo

Orbe Geolocation

CP: Order Editing & Upsell

Shopify Checkout Blocks

Shopify Point of Sale

Judge.me

Shopify Flow

OrderEditing.com

Stamped.io

OneClickUpsell

Okendo

Stay ai

PushBundle

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Klay Create

AgencyWashington, United StatesFrom $65

4.94(4 reviews)

shopexpertsscore

Klay Create is led by Yassine, a Shopify expert and product-focused builder with hands-on experience across strategy, development, and growth for DTC brands. With a strong background in Shopify theme development, CRO, and scalable eCommerce systems, Yassine works closely with brands to translate vision into high-performing storefronts that are built to convert and scale. Our team covers the full Shopify stack, from branding and UI/UX to custom theme development, CRO, and growth systems. We work with modern Shopify themes and custom builds, and we integrate best-in-class tools across email marketing, subscriptions, reviews, upsells, and analytics. Our tech stack includes Shopify (Online Store 2.0), custom Liquid and JavaScript development, Klaviyo, Recharge, Yotpo/ Judge.me, ReConvert, AfterShip, Gorgias, and performance and analytics tools to support scalable growth. Currently based in Southeast Asia, Klay Create operates as a fully remote studio and is available during U.S. business hours, ensuring smooth communication, real-time collaboration, and reliable ongoing support for North American brands.

Theme & App Skills

Klaviyo

Horizon Theme

Judge.me

Smile

Mobile App Builder ‑ Appbrew

Archetype Themes

Flare: Delivery Date Picker

Shopify Flow

Aftersell Post Purchase Upsell

FoxSell Bundle Builder

MESA

PageFly

Recharge

Shopify Checkout Blocks

Visually – A/B Testing & CRO

Loox ‑ Visual Product Reviews

Loop Subscriptions

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Braun Design Co

AgencyAustin, United StatesFrom $500

4.95(5 reviews)

shopexpertsscore

Braun Design Co | Boutique Shopify Plus Partner | Austin, TX | Since 2016 We build and maintain custom Shopify stores for brands that want a real partner, not a revolving door of junior devs and project managers. With 10 years focused exclusively on Shopify, we specialize in custom builds, platform migrations (Magento, WooCommerce, BigCommerce to Shopify and Shopify Plus), and long-term development partnerships for brands in wellness, sports & lifestyle, food, jewelry, and consumer products. Clients we've built for: KT Tape · Baby Trend · Derma E · Saalt · 1928 Jewelry · Gossamer Gear · Urban Body Jewelry · Post & Porch · Dorai · New Canaan Farms · The Symphony Store What we do: Custom Shopify and Shopify Plus builds Platform migrations with zero-downtime planning and SEO preservation AI search optimization (AEO, also called AISO) with schema markup and structured data for AI-driven product discovery Agentic Storefront configuration and MCP integration for AI shopping assistants Conversion rate optimization (CRO) and UX/UI improvements Site speed and performance optimization (Core Web Vitals, LCP, CLS) ADA and WCAG 2.2 AA accessibility audits and remediation SEO audits and on-site optimization Checkout optimization and Shopify Checkout Extensibility Third-party app integrations and custom development Analytics, tracking, and attribution setup Ongoing monthly maintenance, content updates, and feature additions Why brands stick with us: Our average client relationship spans 5+ years. Our longest-running retainer client has been with us since 2019 with monthly development, maintenance, and strategic support. That's not a transaction. That's a partnership. You work directly with our core team. We know Shopify and we know your business. No revolving door of freelancers. We don't just build stores. We optimize them. From improving page speed and Core Web Vitals scores to CRO testing and making sure your site is accessible to every customer, we take post-launch performance just as seriously as the initial build. If your current agency feels like a black box, or you're tired of explaining your business from scratch every time you need something done, we're the alternative.

Theme & App Skills

Klaviyo

Judge.me

Recharge

Shopify Checkout Blocks

Shopify Flow

Smile

Archetype Themes

Clean Canvas Themes

Eight Themes

Horizon Theme

Zipify Pages

Google & YouTube

Zipchat AI Chatbot & Live Chat

EmailWish

Commslayer

Quotway

OrderRules

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What a Klaviyo expert actually does on Shopify

Most Klaviyo problems on Shopify aren't copy problems. They're data problems: an event that never reaches Klaviyo, a consent status that didn't sync, a segment built on a property Shopify keeps replacing. A good expert fixes the plumbing first, then builds on it.

Setup and tracking. Connecting the store, switching on the Klaviyo theme app embed and confirming onsite tracking in Klaviyo's own settings. Then checking that Viewed Product, Viewed Collection, Submitted Search, Added to Cart and Active on Site all arrive, and syncing the catalogue, including Shopify Markets for stores selling in more than one country.

Flow architecture. Browse, cart, welcome and post-purchase flows triggered by real Shopify events, plus AI-powered segments and flow triggers built from historical and real-time data. Composer, Klaviyo's AI campaign builder, will assemble an on-brand campaign across channels. Someone still has to decide who should receive it.

Migration. Moving lists, flows, templates and consent records from another email or SMS platform, then rebuilding the logic around Klaviyo's Shopify events rather than copying old flows step by step.

Channels and consent. SMS, WhatsApp, mobile push and sign-up forms, plus consent app blocks on the thank-you and order status pages, and on checkout for Shopify Plus stores.

Integrations and headless. Sending events in from Shopify Flow, connecting other apps to Klaviyo profiles, and adding the hand-written onsite snippets a Hydrogen storefront needs.

Service tools. If you plan to run support inside Klaviyo through its helpdesk, Customer Hub or Customer Agent, ask directly whether the expert has configured them. It's a different skill from flow building.

How much does a Klaviyo expert cost?

All 44 Klaviyo-badge experts on shopexperts list a starting price on their profile. We pulled them in October 2026, in US dollars, ignoring any profile set to zero. A starting price is the floor of an expert's pricing across all their work, not an estimate for your Klaviyo job.

Middle half

$100 – $500

Half of the 44 starting prices land here

Median

$162

Midpoint of the 44 listed starting prices

Top quarter

$500 – $5,000

Experts who only start at bigger scopes

Klaviyo quotes move with the number of systems involved, not the number of emails. Adding SMS or WhatsApp brings consent work. A headless storefront brings manual tracking code. Pulling profile data from several other apps means mapping fields before anyone builds a flow.

For a quote you can compare, send your Shopify plan (Plus or not), whether the theme is Online Store 2.0 or headless, the flows running today, the channels you want and any platform you're leaving. Screenshots of your current flow list shorten the first call. The Klaviyo cost guide covers the subscription, which sits on top of any expert fee.

Klaviyo Shopify setup: tracking, consent and Flow details

Two tracking routes, not one. Klaviyo records Active on Site and Viewed Product through its theme app embed, while Viewed Collection, Submitted Search and Added to Cart arrive through the Shopify pixel in customer events. When a browse or cart flow goes quiet, an expert checks both routes before touching the flow.

The Flow connector shrank. Klaviyo retired the "Create a campaign" action in Shopify Flow on 16 October 2025. "Track an event" is the only action left, so any workflow that built campaigns from Flow has to become an event that triggers a Klaviyo flow.

Synced properties get replaced. Custom profile properties that come from Shopify, customer tags included, are overwritten on the next sync if someone edits them in Klaviyo. Changes belong in Shopify.

SMS consent syncs once. Consent collected in Shopify only reaches Klaviyo when the person subscribes to SMS for the first time. Anyone re-subscribing won't sync that way, so an expert audits consent sources before a large SMS send.

Checkout consent needs Plus. The SMS and WhatsApp consent app block works on thank-you and order status pages on every plan. Only Shopify Plus stores can place it on the checkout page.

Headless has two halves. On Hydrogen, the native integration syncs orders, catalogue and subscribers. Onsite tracking still needs code snippets added by hand.

Briefs go stale. Klaviyo Starter in Shopify now sets up a sign-up form, welcome email and abandoned checkout automation without leaving the Shopify admin, and only the store owner can run it. Klaviyo also sells helpdesk, Customer Hub, Customer Agent and Reviews, so a brief that treats it as an email tool alone is out of date.

Klaviyo work by service category

Klaviyo-badge experts each list several service categories on shopexperts. The counts show where this group leans: more builders than pure campaign writers.

Store setup and management

34 of 44 list it, the category for account connection, app embed and catalogue sync

Shopify development

33 of 44 list it, covering Hydrogen snippets, Flow events and app data feeds

Marketing and growth

19 list it, where flow strategy, AI-powered segments and Composer campaigns sit

Design, UX and branding

16 list it, for email templates, sign-up forms and pop-ups

Consulting and strategy

14 list it, useful for planning email, SMS, WhatsApp and push together

AI and emerging tech

10 list it; ask this group about Customer Agent and AI-driven segments

Klaviyo experts: questions on partners, Flow and consent

Are the experts listed here Klaviyo partners?

Not necessarily. The badge shows that an expert offers Klaviyo work on their shopexperts profile. It isn't Klaviyo partner status. Klaviyo runs its own programme, K:Partners, for agency and solution partners, and its Agency Partner Directory displays level labels such as Platinum Master and Klaviyo Partner. If partner status matters to you, ask for the expert's directory listing and check it yourself.

Should a Klaviyo agency or a freelancer run my email and SMS?

This group splits almost evenly, 23 agencies and 21 freelancers. A freelancer usually fits a defined job such as fixing tracking, rebuilding one flow or adding consent blocks. Pick an agency when email, SMS and WhatsApp run as one programme with weekly campaigns, or when a migration involves dozens of flows and segments. Hire the smallest team that covers your real scope.

Does a headless or Flow-heavy store need a Klaviyo developer?

Usually, yes. Hydrogen and other headless storefronts need onsite tracking snippets added by hand. Custom events sent through the Shopify Flow "Track an event" action need fields mapped, and apps feeding profile data need checking. Copy, segments and send schedules stay marketing work. Of the 44 badge experts, 33 list Shopify development, so a developer isn't hard to find here.

Why did my Shopify Flow workflow stop creating Klaviyo campaigns?

Klaviyo retired the "Create a campaign" action for Shopify Flow on 16 October 2025, so any workflow built on it stopped doing its job. The remaining action, "Track an event", sends data from the workflow into Klaviyo. The fix is to have Flow track an event and let a Klaviyo flow or segment respond. Our guide to Klaviyo flows on Shopify covers the triggers.

Why do customer tags I edit in Klaviyo keep changing back?

Custom profile properties that Klaviyo receives from Shopify, customer tags included, are overwritten on the next sync, and Klaviyo advises against editing them on its side. Make the change in Shopify and let it flow through, or keep anything you want to manage in Klaviyo in a separate property. An expert building segments should know this before relying on synced tags.

Can Klaviyo collect SMS consent at checkout?

Only on Shopify Plus. Klaviyo's consent app block collects transactional and marketing consent for SMS and WhatsApp on the thank-you and order status pages on any plan, but the checkout page itself is limited to Plus. Separately, SMS consent captured in Shopify only syncs to Klaviyo for first-time SMS subscribers, so ask how returning subscribers will be handled.