Tealium is a US headquartered American company founded in 2008 in San Diego, California that sells enterprise tag management, an API hub, a customer data platform with machine learning, and data management products. It has offices in the US, Singapore, UK, Germany, Japan, Netherlands, France and Australia.
Founded: 2008
Headquarters: San Diego, California, United States
Revenue: 100m_1b
Employees: 201_1k
Website: https://www.tealium.com
Tealium Inc. is a privately held American marketing technology company founded in 2008 and headquartered in San Diego, California. The company sells a suite of enterprise data products — collectively marketed as the Tealium Customer Data Hub — spanning tag management, a real-time customer data platform (CDP), an API hub, and data management and AI-streaming capabilities. It operates primarily in the customer data platform, enterprise tag management, and data orchestration categories.
Tealium develops and sells what it describes as a Customer Data Orchestration Platform, whose product suite is branded the Tealium Customer Data Hub (CDH) [22]. The CDH encompasses four principal product lines: Tealium iQ (enterprise tag management), EventStream (server-side event routing and API hub), AudienceStream (real-time CDP and audience management), and Predict ML (machine learning-based propensity scoring) [22, 23]. The company also offers Tealium AIStream, which provides real-time customer data streams for AI model consumption, and CloudStream, which introduced zero-copy data orchestration capabilities in 2025 [23]. Tealium serves enterprise clients across retail, financial services, healthcare, automotive, travel, insurance, and technology verticals [3]. The platform is cloud-delivered and SaaS-based, positioned as a vendor-neutral data layer that is not tied to any specific CRM or marketing cloud [23]. Over 1,300 pre-built connectors are available in the Tealium integration marketplace [28].
Tealium was founded in 2008 in San Diego, California, by Mike Anderson, Ali Behnam, and Olivier Silvestre, who had previously worked together at WebSideStory, a SaaS-based web analytics company later acquired by Omniture and subsequently by Adobe Systems [1]. Jeff Lunsford, previously CEO at both Limelight Networks and WebSideStory, was appointed CEO of Tealium in January 2013 [1]. In the early 2010s, the company expanded its platform beyond tag management into the customer data platform category [1]. In April 2013, Tealium raised $15.6 million in a Series C round led by Tenaya Capital, with participation from Battery Ventures and Presidio Ventures, bringing cumulative funding at that time to $27.2 million [1]. A $30.7 million Series D closed in February 2015, led by Georgian Partners with participation from Bain Capital Ventures [8]. In May 2019, the company raised $55 million in a Series F round [1]. In February 2021, Tealium raised $96 million in a Series G round from Georgian and Silver Lake Waterman, which valued the company at $1.2 billion — making it a unicorn [5, 3]. Total funding across all rounds has been reported at approximately $277 million [3].
Tealium operates in the customer data platform and enterprise tag management categories. In the 2024 Gartner Magic Quadrant for Customer Data Platforms — the first edition of that report — Tealium was named a Leader, recognized for its Ability to Execute and Completeness of Vision [41]. In the March 2025 edition of the same report, Tealium retained its Leader designation for a second consecutive year [44]. In the 2026 Gartner Magic Quadrant for Customer Data Platforms, Tealium moved from Leader to Challenger, with Gartner noting a slowdown in market velocity, diminished customer acquisition, and a decline in annual recurring revenue growth rate from 2021 to 2025; Gartner did, however, recognize the company's structured partner certification program, its extensive integration ecosystem, and specialized HIPAA-compliant vertical offerings [50]. Tealium was also named a Leader in the 2024 Forrester Wave for CDPs and was positioned as a Major Player in the 2026 IDC MarketScape for Worldwide AI-Enabled Customer Data Platforms for B2C Users [23]. The company states that more than 850 businesses globally use the platform [44]. Documented enterprise customers include Microsoft, Hyatt, and Gap [23], as well as Legal & General and JobCloud [46]. The company reports offices in the United States, Singapore, the UK, Germany, Japan, the Netherlands, France, and Australia [1].
Tealium competes across two overlapping market segments: enterprise tag management and customer data platforms. In tag management, its principal enterprise competitors are Google Tag Manager (GTM) Server Side and Adobe Launch, as well as Ensighten and Commanders Act [16, 33]. In the CDP category, G2 reviewers most often compare Tealium against Twilio Segment, Bloomreach, and mParticle by Rokt [13]. The 2025 Gartner Magic Quadrant for Customer Data Platforms evaluated twelve CDP vendors in the same report as Tealium, including Adobe, Salesforce, Twilio, Treasure Data, Amperity, and others [47]. Tracxn lists Twilio Segment and Capillary Technologies among Tealium's top competitors in the customer data management space [3]. A key differentiating characteristic noted in third-party analyses is that Tealium is an independent, cloud-neutral platform not embedded in a broader marketing suite, unlike Salesforce Data Cloud or Adobe Real-Time CDP [23]. G2 reviewers note that Tealium's pricing is negotiated per deal and is not publicly tiered, and that event-based pricing can scale unpredictably as data volumes grow — a contrast with some competitors who publish transparent MTU-based pricing [23].
Tealium's Customer Data Hub supports more than 1,300 pre-built connectors across marketing, analytics, advertising, and data warehouse destinations [28]. The platform collects data via client-side tag management (Tealium iQ), server-side event streaming (EventStream), and mobile SDKs [22]. On the data warehouse side, Tealium has deep integrations with Snowflake, AWS, and Databricks [55]. Its Snowflake integration uses Snowpipe Streaming to deliver events into Snowflake tables with sub-ten-second latency [52], and a Snowflake Native App launched in May 2026 enables zero-copy audience activation directly within Snowflake [51]. AWS integrations support EventBridge, Kinesis, S3, and Redshift, with Tealium holding a Strategic Collaboration Agreement with AWS [46]. The platform enforces consent propagation across all tags and connectors in real time, and offers HIPAA-compliant private cloud deployment for healthcare customers [23, 50]. Pricing follows a modular model based on selected capabilities and data volume processed [28].
On G2, Tealium has received a rating of 4.3 stars based on 479 verified reviews across its product suite [24]. Commonly cited strengths include real-time audience activation without heavy coding requirements, seamless multi-source data unification, and robust customer support [21]. TrustRadius reviewers highlight the platform's effectiveness for organizations managing large numbers of domains, server-side and client-side tag orchestration, and regulated-industry compliance [26]. Recurring criticisms on both G2 and TrustRadius include a steep learning curve for initial setup, the need for developer assistance during implementation, and complexity of data flow configuration for non-technical users [21]. Third-party analysts have additionally noted that because Tealium does not include native execution channels such as email or advertising platforms, organizations must license and manage separate activation tools, which can increase total cost of ownership [23]. The Gartner 2026 Magic Quadrant flagged a slowdown in customer acquisition and ARR growth, describing the company as having stalled in market momentum relative to its 2025 positioning [50].