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Technologies / Klaviyo / Meta

Companies using Klaviyo and Meta

25 companies in our data have public evidence for both Klaviyo and Meta, and 5 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.

25companies use both
42%of Klaviyo users
1%of Meta users
5name both as subprocessors

Companies using one are 5.8 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

CompanyKlaviyoMeta
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
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
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
Area Advertisingareaadvertising.comArea Advertising provides custom printing, embroidery, signs, vehicle graphics, awards, and promotional products.
Attribyteattribyte.appAttribyte is a system for managing creator collaborations, ads and payouts, including finding creators and tracking which content drives sales.Marketing
Cometlycometly.comCometly provides marketing attribution and analytics software that connects ad, CRM, and revenue data and syncs attribution data back to ad platforms.Data and analyticsMarketing
Everfureverfur.comEverfur provides video vet visits and delivers prescription medications for pets.Healthcare
Key to Healthkeytohealth.aiKey to Health combines a breath sensor, a personal AI agent, and a Mediterranean-inspired dietary approach to deliver clinically validated weight management.Healthcare
Sintrasintra.aiSintra provides AI employees that handle business tasks such as social media, SEO, sales, copywriting, and customer support.AI and machine learningProductivity and collaboration
ClientSignalclientsignal.ioClientSignal is client reporting software that uses AI to turn advertising data into written client reports.Marketing
Curobicurobi.comCurobi is a Shopify subscription app for selling subscribe-and-save products, curated boxes, build-your-own boxes and bundles.E-commerce
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
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
DataCopsjoindatacops.comDataCops captures, checks and sends sales and leads server-side to Meta, Google, TikTok and Snapchat.Marketing
Kapnovakapnova.comKapnova builds AI agents that find business decisions, estimate their value, and learn from outcomes.AI and machine learning
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
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
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.
ReferralCandyreferralcandy.comReferralCandy provides referral, affiliate, and loyalty program software for online stores.E-commerceMarketing
Serviceformserviceform.comServiceform provides AI agents and chat, WhatsApp, ticketing, forms, booking and search tools for business websites.AI and machine learning

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.

42% 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

Meta

Advertising

Meta is a company whose mission is building the future of human connection. It is used to create technologies such as AI, mixed reality and AI glasses that give people new ways to connect.

Summarized from meta.com on 8 Nov 2026.

1% of the 1,722 companies we see using Meta also show the other.

All 1,722 companies using Meta352 name it as a subprocessorMore in Advertising

Industries

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

E-commerce12AI and machine learning8Marketing8Data and analytics3Healthcare2

Other pairs

Companies with their own evidence for both.

More with Klaviyo

Cloudflare59companiesGoogle Workspace49companiesStripe35companiesAmazon Web Services34companiesGoogle34companiesOpenAI28companies

More with Meta

Cloudflare1,715companiesGoogle Workspace1,197companiesGoogle1,173companiesGoogle Analytics865companiesGoogle Tag Manager780companiesStripe725companies

Questions

How many companies use both Klaviyo and Meta?

25 companies in StrataDB's data have public evidence for both, and 5 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 Meta?

By the Numbers, CostRadar.ai, Kanal, Reactiv and Relay Commerce, and 20 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Klaviyo and Meta?

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 Meta

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
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call