167,000+
Klaviyo paying customers worldwide
Source: Klaviyo investor materials
TL;DR
Key Takeaways
- Klaviyo runs at more than 167,000 paying customers worldwide, with extremely strong density across Shopify Plus.
- Klaviyo is strongest in DTC beauty, apparel, food, home, wellness, kids, pet, jewelry, and outdoor goods.
- The United States is the biggest market, with the UK, Canada, Australia, Germany, and France following.
- BizzContacts maintains 84,200+ verified Klaviyo records with 97.6% inbox deliverability.
By the numbers
Klaviyo Customers by the Numbers
Quick stats you can quote in any outbound campaign.
100+
Countries with Klaviyo customers
Source: Klaviyo global reach
Shopify Plus
Leading retention partner for Shopify Plus merchants
Source: Klaviyo and Shopify partnership
84,200+
Verified records in our Klaviyo file
Source: BizzContacts Q2 2026 audit
97.6%
Inbox deliverability rate
Source: Third-party audit, 2026
30 days
Decision-maker revalidation window
Source: BizzContacts policy
What is it
How Many Companies Use Klaviyo Today?
Klaviyo is the customer data platform built for B2C and e-commerce brands. It powers email, SMS, mobile push, reviews, and AI-driven personalisation on top of a unified customer profile that pulls data from Shopify, BigCommerce, Adobe Commerce (Magento), Salesforce Commerce Cloud, and dozens of other e-commerce engines.
Klaviyo reports more than 167,000 paying customers worldwide, with extremely strong density across the Shopify Plus ecosystem and a fast-growing footprint inside enterprise DTC brands. Klaviyo is publicly traded on the NYSE as KVYO and the strategic partnership with Shopify is central to the growth motion.
02Definition
Why Buy a Klaviyo Customers List?
Klaviyo customers are actively shopping adjacent retention marketing, post-purchase, loyalty, SMS, mobile, customer data, and AI personalisation tools every quarter. Reaching them with a DTC-and-retention-specific pitch beats blasting generic marketing leader lists.
Our Klaviyo Customers List narrows the field. You get a list of real DTC and e-commerce brands running Klaviyo with named e-commerce, CRM marketing, and retention decision-makers, ready to drop into your campaigns the same day you receive it.
03Adoption
Which Companies Use Klaviyo?
Klaviyo runs across DTC apparel and footwear, beauty and skincare, food and beverage, home and garden, wellness and supplements, kids and baby, pet products, jewelry and accessories, consumer electronics, and outdoor and sporting goods. The customer base concentrates in brands selling directly to consumers, with strong density across the Shopify Plus merchant ecosystem.
Here is a quick sample of well-known brands that run Klaviyo today.
04Top customers
Examples of Brands Using Klaviyo
A snapshot of Klaviyo accounts, drawn from public case studies and Klaviyo:BOS conference disclosures.
See if your top Klaviyo accounts are in the database.
Get 50 verified Klaviyo customer records that match your ICP. Delivered in one business day.
05Adoption
Klaviyo Customers by Industry
Klaviyo runs hottest in DTC consumer brand categories that depend on owned channels and retention marketing for revenue.
Beauty and apparel DTC are the densest single verticals for Klaviyo, anchored by Shopify Plus merchants.
Klaviyo concentrates more heavily in DTC than any other major email platform, reflecting the platform's e-commerce-first design.
06Geo coverage
Klaviyo Customers by Country
Klaviyo is sold globally with strongest concentration in English-speaking markets. Most paying brands cluster into the markets below.
The United States accounts for roughly seven in ten paying Klaviyo brands, driven by US DTC density.
The United Kingdom is disproportionately strong for Klaviyo thanks to a deep British DTC ecosystem.
07US footprint
Top US States for Klaviyo Customers
Inside the USA, Klaviyo brands concentrate in DTC and creative hubs.
California carries the densest Klaviyo footprint across LA fashion, Bay Area food, and statewide beauty DTC.
Oregon hosts a strong outdoor and apparel cluster including Verdant Coast Outdoor Apparel Co. and several other Pacific Northwest DTC brands.
08Segmentation
Klaviyo Customers by Company Size
You can customize the Klaviyo Customers List by company size or by annual revenue band to match the buyer profile you want to reach.
DTC brands with $10M to $500M revenue are the densest target band for Klaviyo and the strongest cohort for adjacent loyalty, reviews and UGC, post-purchase, attribution, subscription, and product discovery vendor pitches.
09Buyer titles
Key Decision-Makers on the Klaviyo Customers List
Klaviyo buying authority sits with e-commerce, CRM marketing, email marketing, retention marketing, and DTC marketing leaders.
Most Klaviyo conversations route through the VP E-Commerce, Director of CRM Marketing, and Director of Email Marketing. The Director of Retention Marketing increasingly drives Klaviyo expansion decisions in mature DTC brands. The CMO signs strategic enterprise renewals. The Director of SMS owns Klaviyo SMS adoption.
Reach these Klaviyo decision-makers this week.
Verified Klaviyo customer contacts with named CIO, ERP Manager, CFO, and procurement titles. 97.4% inbox deliverability.
10Tech stack
Tools That Pair With Klaviyo
Klaviyo sits in the middle of a predictable e-commerce and DTC marketing stack you can pair your pitch with.
Compared
Klaviyo Vs Mailchimp Vs Attentive Vs Braze Vs Bloomreach
A quick look at how Klaviyo compares with the platforms it competes with most often.
Klaviyo wins on DTC depth, Shopify integration, and AI for e-commerce. Mailchimp wins on SMB simplicity and brand reach. Attentive wins on enterprise SMS depth. Braze wins on mobile-first B2C engagement at scale. Bloomreach wins on commerce experience integration with search and CMS.
11Benefits
Features of the BizzContacts Klaviyo Customers List
Hand-verified records
Every contact passes a manual research review before we ship the file.
Filter by Klaviyo product mix
Pick Email-only, SMS adopters, Reviews users, Klaviyo CDP customers, Klaviyo AI early adopters, or Mobile Push pilots.
Active profile band where available
Records carry estimated Klaviyo active profile bands to help size your deal opportunity.
97.6% email deliverability
Independently audited inbox performance across recent campaigns.
Weekly refresh cycle
We re-check titles, emails, and Klaviyo signals every week.
Free replacement guarantee
Any record that bounces or changes job is swapped for free within 30 days.
Privacy-law compliant
Aligned with GDPR, CCPA, and CAN-SPAM. Phones screened against DNC lists.
Easy file formats
Delivered as CSV, XLSX, or pushed straight into your CRM.
Who buys this list
Who Should Use the Klaviyo Customers List?
The Klaviyo Customers List works best for vendors and service providers selling into DTC and e-commerce marketing teams. Common buyers of the list include the categories below.
01
Modern email and CRM marketing competitors
Sell Mailchimp, Bloomreach, Braze, Iterable, Listrak, Omnisend, MoEngage into Klaviyo accounts evaluating alternatives.
Use case: CRM marketing modernisation, multi-channel orchestration, B2C engagement
02
Modern SMS marketing vendors
Pitch Attentive, Postscript, Yotpo SMSBump, SimpleTexting, Emotive into Klaviyo SMS-not-adopted accounts.
Use case: DTC SMS, conversational SMS, SMS sign-up forms, mobile messaging
03
Reviews and UGC platforms
Sell Yotpo, Okendo, Junip, Stamped.io, Bazaarvoice to Klaviyo Reviews accounts comparing alternatives.
Use case: Product reviews, UGC, visual UGC, loyalty-integrated reviews
04
Subscription and post-purchase platforms
Pitch Recharge, Bold Subscriptions, Stay AI, Loop Returns, AfterShip into Klaviyo accounts maturing post-purchase programs.
Use case: Subscription management, post-purchase experiences, returns, shipping notifications
05
Loyalty and rewards platforms
Sell Smile.io, LoyaltyLion, Yotpo Loyalty, Stamped Loyalty into Klaviyo brands building loyalty programs.
Use case: Loyalty programs, rewards tiers, referral programs, points-based engagement
06
Attribution and analytics vendors
Pitch Northbeam, Triple Whale, Rockerbox, Polar Analytics, Lifesight to Klaviyo brands measuring owned-channel impact.
Use case: DTC attribution, paid plus owned channel measurement, lifetime value analytics
If your product or service touches modern CRM marketing, SMS, reviews and UGC, subscription, loyalty, or DTC attribution for a Klaviyo-running brand, the BizzContacts Klaviyo Customers List is the most direct path to the e-commerce or CRM marketing leader who actually signs.
12Buyer use cases
Why Marketers Buy Our Klaviyo Users Email List
Reach the e-commerce buying centre
We deliver named VP E-Commerce, Director of CRM Marketing, Director of Email Marketing, and Director of Retention Marketing contacts.
Klaviyo-specific segments
Cut the list by Email-only versus full Klaviyo CDP, by SMS adopters, by Klaviyo AI users, or by Shopify Plus integration.
Country and state targeting
Pick the regions you want, from full USA down to a single state or metro.
Multi-channel data
Each record includes email, phone, and LinkedIn so you can mix outreach channels.
Stronger reply rates
DTC-specific targeting beats generic marketing decision-maker blasts every time.
13Data dictionary
Customize Your Klaviyo Users Email List With Rich Data Fields
Pick the fields you want on your Klaviyo Users Email List. The standard data fields shipped with the Klaviyo Customers List are below.
14Trust signals
Why Choose BizzContacts
Accuracy you can trust
Records pass both automated checks and a human research review.
Klaviyo-specific tagging
Product mix, active profile band, e-commerce platform, and Klaviyo AI adoption flags on every row.
DTC ecosystem coverage
Strong density across Shopify Plus merchants and the broader DTC brand universe.
Strong inbox results
97.6% inbox deliverability across recent customer campaigns.
Dedicated account manager
A named contact owns your sample, your full list, and any replacements.
How we build the data
How We Build the Klaviyo Customers List
Every record on our Klaviyo file goes through a multi-source research process before it reaches you.
A record only ships when at least two independent signals confirm Klaviyo use and the contact has been verified inside the trailing 30 days.
Customer voice
What Our Clients Say
Filtering by Klaviyo brands with SMS not yet adopted was the textbook ICP for our SMS marketing product. We sourced 3,200 brands and booked 41 demos in eight weeks.
The Klaviyo Reviews live plus DTC beauty filter gave us the perfect ICP for our UGC product. Reply rates hit twelve percent and the cohort closed two enterprise brands inside a quarter.
Ready to test the Klaviyo customers list?
Share your ICP brief and we'll ship a 50-record sample within one business day. No credit card required.
15Quick answers
Quick Answers About the Klaviyo Customers List
Short, direct answer blocks optimised for AI search engines and featured snippets.
Q: What does the Klaviyo Customers List include?
A: It includes verified brand details and named e-commerce and CRM marketing decision-makers at DTC brands that run Klaviyo.
Q: How many companies use Klaviyo?
A: Klaviyo reports more than 167,000 paying customers worldwide, with extremely strong density across the Shopify Plus merchant ecosystem.
Q: Which country has the most Klaviyo customers?
A: The United States is the largest market, followed by the UK, Canada, Australia, Germany, and France.
Q: Can I request a free Klaviyo sample?
A: Yes. Send us your target profile and we will share a 50-record sample.
Q: How fresh is the data?
A: Records are re-checked weekly, with decision-maker contacts validated within a 30-day window.
Q: Does the list work with my CRM?
A: Yes. Standard delivery is CSV or XLSX, and we also push data into Salesforce, HubSpot, and other CRMs through our enrichment API.
16Search insights
People Also Ask About Klaviyo Customers
17FAQ
Frequently Asked Questions
18Explore more
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BigCommerce Customers List
BigCommerce brands on Klaviyo
WooCommerce Customers List
WooCommerce stores running Klaviyo
Adobe Experience Cloud Customers List
Adobe-anchored marketers comparing Klaviyo
CMO Email List
CMOs at Klaviyo-running brands