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Technologies / Klaviyo / Shopify

Companies using Klaviyo and Shopify

26 companies in our data have public evidence for both Klaviyo and Shopify, and 7 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

26companies use both
44%of Klaviyo users
13%of Shopify users
7name both as subprocessors

Companies using one are 50 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyKlaviyoShopify
By the Numbersbythenumbersapp.comBy the Numbers is a reporting and analytics app for Shopify stores that provides reports, AI briefings, forecasting, and customer loyalty segmentation.Data and analyticsE-commerce
CostRadar.aiCostRadar by Radrly is an AI profit agent for Shopify and multichannel e-commerce that tracks costs, ad spend, fees and COGS and shows true net profit per order, product and channel.AI and machine learningE-commerce
Everfureverfur.comEverfur provides video vet visits and delivers prescription medications for pets.Healthcare
Kanalgetkanal.comKanal is a WhatsApp marketing platform that connects to Shopify to recover abandoned carts, send campaigns, and answer customer questions through an AI agent.E-commerceMarketing
GRIN AIgrin.aiGrin provides AI-native creator marketing software that finds, recruits, activates, and manages creators for brand partnership programs.Marketing
Reactivreactiv.aiReactiv provides App Clips and full iOS and Android mobile apps for commerce brands.E-commerce
Relay Commercerelaycommerce.ioRelay provides an ecosystem of Shopify apps and expertise for e-commerce, covering popups, email/SMS, package protection, subscriptions, and predictive flows.E-commerce
Attribyteattribyte.appAttribyte is a system for managing creator collaborations, ads and payouts, including finding creators and tracking which content drives sales.Marketing
BRDG Buildergetbrdg.aiBRDG provides tools that turn a brand's public store information into brand kits and organize catalog data into product facts.AI and machine learningE-commerce
Poplpopl.coPopl provides an AI platform for capturing leads at in-person events by scanning badges, business cards, and QR codes, then enriching the data and syncing it to a CRM.
STOQstoqapp.comSTOQ is a Shopify app that lets stores offer preorders and back-in-stock alerts.E-commerce
Blufireblufire.com.auData and analyticsE-commerce
BubblaVbubblav.comBubblaV provides an AI chatbot and AI Copilot that answer customer questions and draft support replies using a company's own website content.AI and machine learningCustomer support
Curobicurobi.comCurobi is a Shopify subscription app for selling subscribe-and-save products, curated boxes, build-your-own boxes and bundles.E-commerce
CWILLcwill.comCWILL provides post-purchase and retention software for Shopify and DTC brands, including order tracking, returns and exchanges, shipping protection, product reviews, loyalty and referrals, pop-up and email marketing, AI chat, and SEO and speed tools.E-commerce
Ecom Forwardecomforward.ioAI and machine learningData and analytics
Eventisteventist.caEventist provides event management software and ticketing for event organizers.
Fabrik Analyticsfabrikanalytics.comFabrik Analytics provides an analytics platform that tracks changes across store, ads, email and product data, with profit reporting and daily task lists for teams.Data and analyticsE-commerce
Finsifinsi.aiFinsi provides AI agents that work from a single data warehouse with shared metric definitions, and lets teams connect their own agents over MCP or API.AI and machine learningE-commerce
DataCopsjoindatacops.comDataCops captures, checks and sends sales and leads server-side to Meta, Google, TikTok and Snapchat.Marketing
KnoCommerceknocommerce.comKnoCommerce provides post-purchase survey tools for collecting customer feedback and attribution data.Data and analyticsE-commerce
Kopakopa.aiKopa.ai provides an AI co-pilot that researches stores, structures Google Ads campaigns, writes ads, and executes approved changes.AI and machine learningE-commerce
Lizzalizza.linkLizza is a platform for running influencer and UGC campaigns, covering creator discovery, campaign management, content review, contracts and payments.Marketing
Meet Alto AImeetalto.aiAlto provides social media automation tools including comment-to-DM, AutoDM, AI replies, and a shared inbox.Marketing
Octane AIoctaneai.comOctane AI provides an AI quiz maker and analytics tool for Shopify brands.AI and machine learningE-commerce

1 more company

See every company using both Klaviyo and Shopify, with the source for each.

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The two technologies

Klaviyo

Email and communications

Klaviyo is a marketing and customer relationship platform that brings together email, SMS, WhatsApp, mobile push, and other channels with customer data. It is used by businesses to plan, personalize, and automate customer communications and customer service.

Summarized from klaviyo.com on 8 Nov 2026.

44% of the 59 companies we see using Klaviyo also show the other.

All 59 companies using Klaviyo30 name it as a subprocessorMore in Email and communications

Shopify

Websites and CMS

Shopify is a commerce platform that lets businesses build online stores and sell products online and in person. It is used to create storefronts, process checkout and payments, manage inventory and shipping, and sell across channels such as social media and marketplaces.

Summarized from shopify.com on 8 Nov 2026.

13% of the 208 companies we see using Shopify also show the other.

All 208 companies using Shopify72 name it as a subprocessorMore in Websites and CMS

Industries

Among the companies above, by our own classification of their homepage.

E-commerce16Marketing8AI and machine learning7Data and analytics5

Other pairs

Companies with their own evidence for both.

More with Klaviyo

Cloudflare59companiesGoogle Workspace49companiesStripe35companiesAmazon Web Services34companiesGoogle34companiesOpenAI28companies

More with Shopify

Cloudflare201companiesGoogle Workspace141companiesStripe118companiesGoogle Analytics96companiesGoogle95companiesOpenAI87companies

Questions

How many companies use both Klaviyo and Shopify?

26 companies in StrataDB's data have public evidence for both, and 7 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Klaviyo and Shopify?

By the Numbers, CostRadar.ai, Everfur, Kanal and GRIN AI, and 21 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Klaviyo and Shopify?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Klaviyo and Shopify

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
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  • Work email only. No card, no sales call