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Top 10 Customer Data Platforms

The customer data platforms (CDPs) companies use to unify customer data into one profile, ranked by how many customers each vendor says it serves.

Klaviyo200,000+ brands (all of Klaviyo)2

Insider One2,000+ customers 3

MoEngage1,350+ consumer brands

Quick answer

Klaviyo has the largest user base, powering 200,000+ brands, with its Klaviyo Data Platform built into the marketing tool. Insider One is second with 2,000+ customers and MoEngage third with 1,350+ consumer brands, both pairing a CDP with cross-channel messaging. For warehouse-native CDPs, Hightouch (803 paying customers) and RudderStack (550+ customers) lead, and Treasure AI serves 400+ enterprise customers.

How it's ranked: Customers or brands each vendor says it serves, as published on its own website (read November 2026). Klaviyo's count covers all Klaviyo users, not only its data platform. Tealium, Twilio Segment, Rokt mParticle and BlueConic publish no customer count, so they rank last, ordered by the number of integrations each publishes (1,300+, 700+, 350+ and 150+). Counts are each company's own claims and are measured differently, so treat them as a guide to scale, not an audit.

Klaviyo

Klaviyo · B2C CRM with the Klaviyo Data Platform (CDP)

200,000+ brands (all of Klaviyo)

The biggest user base, with CDP built into the marketing tool.

Klaviyo says it powers 200,000+ relationship-driven brands across 100 countries, by far the biggest number on this list, though that count covers everyone using Klaviyo, not only its data platform. It calls itself a B2C CRM, and its Klaviyo Data Platform unifies customer data in real time; the homepage pitches a CDP that gives you the full data story. The scale figures are large: 9B customer profiles, an average of 2.5B events processed daily, 1.6B API calls a day and 99.95% uptime across all services. It has 400+ pre-built integrations, and the help center and platform are available in 12 languages. Its Customer Agent, it says, resolves 65% of questions on its own. It fits online stores and consumer brands that would rather have customer data, segmentation and campaigns in a single product than stitch a separate CDP onto an email tool.

Best forEcommerce and direct-to-consumer brands that want customer data and marketing in one tool

Skip it ifYou want a neutral data layer that feeds many other marketing tools

Source: www.klaviyo.com/

Insider One

Insider One (formerly Insider) · Customer engagement platform with a built-in CDP

2,000+ customers

The largest customer count among engagement-led CDPs.

Insider One, the company formerly known as Insider, says it is trusted by 2,000+ customers and that 2,000+ world-leading brands use it. It does not sell a CDP on its own; instead CDP is one of five platform capabilities, pitched as a 360 view of customers to sharpen segmentation, sitting alongside its personalization, journey orchestration and messaging tools. It lists 100+ integrations, 80+ demos and use cases, 60+ SMS templates and 100+ real WhatsApp use cases. Its review scores are strong: 4.8/5.0 overall on Gartner Peer Insights, and it says it is a Top Leader across 14 categories on G2, CDP among them. It also runs a community of 200K marketing and customer engagement professionals. It suits consumer brands that want customer profiles and the campaigns built on them in the same place.

Best forBrands that want a CDP and cross-channel messaging from one vendor

Skip it ifYou only need a data pipeline, not a marketing suite

Source: insiderone.com/

MoEngage

MoEngage · Customer engagement platform with CDP capabilities

1,350+ consumer brands

Best for mobile-first consumer brands.

MoEngage says it is trusted by 1350+ consumer brands worldwide, and that 350+ brands have switched to it from other tools. It brands itself the agentic customer engagement platform rather than a CDP, but its data layer builds activation-ready profiles and segments by combining first-party data, cloud warehouses such as Snowflake and Databricks, and MoEngage's own behavioral data. It was also named a Leader in the 2026 IDC MarketScape for AI-enabled CDPs for B2C users. Practical numbers: 99.99% uptime, 6 data centres, 300+ integrations and 16+ channels in one platform, and the company is celebrating 12 years in business. Customer results it cites include a 25% uplift in weekly retention for Tanishq. It fits app-heavy consumer brands in retail, banking and media that want data and engagement handled together.

Best forConsumer apps and brands that run lots of mobile and cross-channel campaigns

Skip it ifYou want a pure data platform with no messaging tools

Source: www.moengage.com/

Hightouch

Hightouch · Composable CDP and agentic marketing platform

803 paying customers

The leading warehouse-native CDP.

Hightouch publishes an exact figure: 803 paying customers, shown on its about page. It sells a composable CDP, where customer data stays in your own data warehouse and Hightouch reads it from there instead of copying it into a separate database. It then syncs audiences and traits out to the tools marketers use, and it integrates with 300+ tools spanning advertising, marketing automation, CRMs and customer success. The scale counters on its about page are striking: 7,358,710,630,000 records synced and 9,999,990,000+ decisions powered by AI. It now pairs the composable CDP with an agentic marketing platform that builds and launches campaigns. It is a strong fit for companies that already keep customer data in a cloud data warehouse and want marketing to use that data without a second copy of it.

Best forCompanies whose customer data already lives in a cloud data warehouse

Skip it ifYou have no data warehouse or data team

Source: hightouch.com/about

RudderStack

RudderStack · Warehouse-native customer data platform

550+ customers

The developer-friendly, warehouse-first pick.

RudderStack says it has 550+ happy customers. It was founded in 2019 and lists a team of 104 people on its about page. It calls itself the agentic customer data platform: one platform to collect, unify, activate and govern customer data, built around your own data warehouse. Event data is captured from websites, apps and servers through its SDKs, streamed in real time to destinations and loaded into the warehouse, where customer profiles are built. Reverse ETL then pushes those profiles back out to business tools. The company stresses privacy, saying RudderStack does not store your data. It is a developer-friendly choice that suits product and data teams that want full control of the pipeline and a warehouse as the single source of truth.

Best forEngineering and data teams that want event collection into their own warehouse

Skip it ifMarketers who want a no-code tool with built-in campaigns

Source: www.rudderstack.com/about/

Treasure AI

Treasure AI (formerly Treasure Data) · Enterprise CDP, now an agentic experience platform

400+ enterprise customers

The enterprise CDP for global brands.

Treasure AI, the company formerly called Treasure Data, says it has over 400 enterprise customers, 80+ of them in the Forbes Global 2000. It has been building what it calls the most trusted enterprise customer data platform since 2011, and it now describes itself as an agentic experience platform that helps brands acquire, retain and grow customers. Its scale is global: 2B+ profiles managed, 75+ countries supported, and it says it serves more than 50% of the global connected population. The company has 550+ employees, with offices in Mountain View, New York, Tokyo, London, Nice and Vancouver. Analysts rate it well: a Leader in the 2026 IDC MarketScape for AI-enabled CDPs for B2C and a Strong Performer in the Forrester Wave for B2C CDPs. It fits big multinational brands that need one profile across many regions.

Best forLarge global enterprises with many brands, markets and data sources

Skip it ifYou are a small business on a tight budget

Source: www.treasure.ai/about

Tealium

Tealium · Independent real-time customer data platform

No customer count published

The most connected independent CDP.

Tealium does not publish a customer count on its homepage or CDP product page, so it ranks behind the vendors that do. Among those without a count, it lists the most integrations: a 1,300+ strong integration marketplace, with over 1,300 turnkey integration options. Its CDP, AudienceStream, is pitched as a data-first customer data platform and as the leading independent CDP, meaning it is not tied to one marketing cloud. Tealium now describes the wider product as sovereign data infrastructure for enterprises and AI agents, giving companies control over how customer data is collected, governed and sent to other tools in real time. Its homepage shows brands such as L'Oreal, United Airlines, Gap and GSK. It fits large companies with a mixed marketing stack that want one neutral layer to collect and route customer data everywhere.

Best forEnterprises that want a vendor-neutral CDP feeding many tools

Skip it ifYou want marketing campaigns built into the same product

Source: tealium.com/products/audiencestream/

Twilio Segment

Twilio · Customer data platform and data pipeline

No customer count published

The industry-standard tracking pipeline.

Twilio does not publish a customer count for Segment on its CDP page, so it ranks behind vendors that do, even though it is one of the best-known names in the category. Segment collects real-time data from every customer touchpoint into unified customer profiles, then sends it to 700+ pre-built integrations. Its scale figures are huge: 10.8T+ API calls, including 271B+ during Cyber Week, with 99.99% system uptime. The platform bundles Connections for data collection, Unify for profiles and Engage for audiences and journeys. Pricing is based on monthly tracked users, and Team plans come with a 14-day free trial. Customer results it cites include a 700% increase in ROAS and a 65% drop in cost per acquisition for Domino's. It suits teams that want a widely supported tracking standard feeding many tools.

Best forProduct and growth teams that want the standard event-tracking pipeline

Skip it ifYou need flat, published pricing for a large audience

Source: www.twilio.com/en-us/customer-data-platform

Rokt mParticle

Rokt (mParticle) · Real-time customer data platform

No customer count published

Strong real-time CDP for app-heavy brands.

mParticle, now part of Rokt, does not publish a customer count, saying only that it is trusted by clients in 17 countries, so it ranks among the vendors without a figure. Its platform page labels it a customer data platform and describes it as an agentic performance engine that connects marketing goals to the audiences and actions that drive growth. It offers 350+ integrations and points to more than a decade of enterprise data foundations. Customer results it cites include £6.5M of incremental yearly revenue for Marks & Spencer from real-time segmentation, 8.5x higher revenue and 5x higher conversion for Tatcha, and match rates lifted up to 2x with its Match Boost feature. It fits consumer brands with big apps and loyalty programs that need customer data acted on in real time.

Best forConsumer brands with large mobile apps and real-time data needs

Skip it ifYou want a low-cost tool for a small website

Source: www.rokt.com/rokt-mparticle/platform

BlueConic

BlueConic · Customer data platform and customer growth engine

No customer count published

Best for ecommerce repeat-purchase growth.

BlueConic does not publish a customer count, so it ranks among the vendors without one. It sells a product named Customer Data Platform and runs a CDP help center, but it now calls itself the customer growth engine for B2C and ecommerce brands, with AI agents that decide the next action for every shopper and execute it across channels. It offers 150+ connectors to email platforms, ad platforms, data warehouses and more, and promises a first measurable outcome from any Growth Play within 90 days. Customer results on its homepage include a 50% reduction in cost per acquisition for Essity, a 62% lift in conversion rate for Free People and a 35% revenue boost for RevZilla. Brands shown include L'Oreal, Heineken, PepsiCo and Marmot. It suits retail and consumer brands that want customer data turned straight into repeat revenue.

Best forEcommerce and retail brands focused on repeat purchases

Skip it ifYou need the largest possible integration catalog

Source: www.blueconic.com/

Questions people ask

What is the best customer data platform?

By customers served, Klaviyo is the largest, powering 200,000+ brands with its Klaviyo Data Platform. For a standalone enterprise CDP, Treasure AI (400+ enterprise customers) and Tealium (1,300+ integrations) are strong choices.

What is a composable or warehouse-native CDP?

It keeps customer data in your own data warehouse instead of copying it into a separate database. Hightouch (803 paying customers) and RudderStack (550+ customers) are the leading examples here.

Which CDP has the most integrations?

Tealium lists a 1,300+ integration marketplace, Twilio Segment 700+ pre-built integrations and Klaviyo 400+.

Is there a free customer data platform?

Hightouch offers a free Basic Reverse ETL tier and Twilio Segment offers a free trial with no credit card. Check each vendor for current limits.

How were these CDPs ranked?

By the number of customers or brands each vendor publishes on its own website. Vendors that publish no count rank last, ordered by published integrations. These are the companies' own claims.

How we ranked

Customers or brands each vendor says it serves, as published on its own website (read November 2026). Klaviyo's count covers all Klaviyo users, not only its data platform. Tealium, Twilio Segment, Rokt mParticle and BlueConic publish no customer count, so they rank last, ordered by the number of integrations each publishes (1,300+, 700+, 350+ and 150+). Counts are each company's own claims and are measured differently, so treat them as a guide to scale, not an audit. Every number on this page comes from the source linked under each pick, and every photo shows the actual product. Brands can't pay to be on this list.

List source: www.klaviyo.com/ · Updated 2026-11-13