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The Forrester Wave™: Email Marketing Service Providers, Q1 2026

Published on March 23, 2026

“Zeta Global will work well for marketers of all industries and capability levels, particularly those who want to maximize their customer insights by experimenting with AI.”


Access the report to learn why:

  • Zeta received the highest Strategy category score among all of the evaluated vendors
  • Customers praise Zeta’s accessibility noting specifically they can easily reach their account teams by cell phone
  • Zeta’s approach to AI, data management, and data governance stand out


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Zeta is proud to be named a Leader in The Forrester Wave™: Email Marketing Service Providers Q1 2026. In the report, Forrester recognizes Zeta for its “approach to AI, data management, and data governance…” as well as “…a memorable vision: Make sophisticated marketing simple.”

Forrester Wave Q1 2026 ESP Leader

Findings From the Report

Zeta received the highest scores possible in 11 criteria, including Vision, Innovation, Roadmap, Identity Resolution, AI Approach & Perspective, Data Management, and Agency Services.

Zeta’s key takeaways from the report include:

  • “Zeta goes to market with a memorable vision…and supports this with $140 million R&D budget, a customer-led product roadmap focused on flexible AI…”
  • “Zeta…offers a natural language interface for modifying transformation rules, embeds governance directly into its marketing architecture, [and] can manage data at the attribute level…”
  • “Customers praise Zeta’s accessibility…they also actively pilot new Zeta developments and rely on Zeta to help implement new innovations.”
* Forrester does not endorse any company, product, brand, or service included in its research publications and does not advise any person to select the products or services of any company or brand based on the ratings included in such publications. Information is based on the best available resources. Opinions reflect judgment at the time and are subject to change. For more information, read about Forrester’s objectivity here .

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Learn more about Zeta

Zeta is the AI-powered marketing cloud empowering enterprises to acquire, grow, and retain customers. It is the largest omnichannel marketing platform with identity data at its core.