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

Email Marketing Service Providers Vendor Product Comparisons 2026

Key features and pros and cons of top Email Marketing Service Providers products:

Adobe - Leaders

Pros:

WCAG 2-compliant Journey Optimizer with content excellence
Adobe AI Assistant can build complete, brand-compliant messages
Experimentation Agent summarizes test results and recommends tests
Strong responsible approach to AI with transparency, accuracy, fairness, and bias mitigation
In-product notifications and tooltips protect compliance and build skills
Stable, scalable multichannel support
Design sprints, guided onboarding framework, and million-member community

Cons:

Customers note experiencing delays on new features, which can take more than a year to develop and implement
Deliverability, dynamic messaging, and agency services are on par but not superior to competitors

Cordial - Leaders

Pros:

Ability to ingest structured and unstructured data and make it immediately available for querying
Cordial Edge can analyze metadata and unstructured data to resolve identities and enhance customer profiles
Conversational interface for building segments, discovering insights, and writing messages
Preempts regulatory violations
Transparent pricing that includes AI and unlimited data and contacts at all levels
Exceptional customer partnership - clients can Slack and text with support team and executives
30% of R&D spend invested in AI
Customers collaborate directly with product developers to co-create roadmap

Cons:

Skills improvement lacks breadth compared to competitors
Usability doesn't address accessibility standards
AI approach is general compared with competitors
Needs to formalize adoption methodology
Must grow partner network to outperform other providers

Zeta Global - Leaders

Pros:

Received highest possible scores in 11 criteria including Identity Resolution, Data Management, Data Governance, AI Approach and Perspective, Vision, Innovation, Roadmap, Regulatory Compliance, Agency Services, Skills Improvement, and Partner Ecosystem
Full transparency of AI logic with natural language interface for modifying transformation rules
Governance embedded directly into marketing architecture with data access management at attribute level
AI monitors data-use compliance
$140 million R&D budget supporting customer-led product roadmap
Identity resolution, campaign execution, and performance measurement operate in one connected system
Athena by Zeta AI prioritizes high-propensity audiences and adjusts timing based on observed behavior
Customers praise accessibility - can easily reach account teams by cell phone
Customers actively pilot new developments

Cons:

New credit-based pricing structure is less intuitive than other providers
Content management and globalization lag competitors who provide more contextual insights around content assets
Limited support for multilingual platform translation

Bloomreach - Strong Performers

Pros:

AI-enabled message creation, journey setup, audience selection, and send-time optimization
Open-time personalization and attribution models
Features increase revenue per visitor by triple-digit percentages for some clients
AI-dominant roadmap grounded in customer experience
BLOOM library houses best practices to accelerate new implementations
Strong innovation including planned multiagent orchestration and improved governance

Cons:

User experience addresses beginners and advanced users but not accessibility
In-email innovation only includes form capture
Content management includes limited third-party integrations
Community lacks the size and diversity of competitors
Customers note comparatively smaller size can lead to slow product rollout

Bluecore - Strong Performers

Pros:

Identity graph makes identity resolution reliable
Privacy by design ensures consumer privacy and regulatory compliance
E-learnings, playbooks, and guided product tutorials
Enterprise clients achieve 99% deliverability
77% of clients use Bluecore in a full-service capacity
Partner network links email with other performance marketing methods
Volume-based pricing provides predictability for retailers

Cons:

Lags other providers for message creation, measurement, dynamic messaging, and queries and segmentation
Exclusively helps retailers - vision slogan doesn't indicate this specialization
Customers note account manager turnover
Some clients must stagger innovations because of Bluecore's limited bandwidth
Content management and globalization lag competitors

Braze - Strong Performers

Pros:

One of the strongest current offerings in evaluation
BrazeAI Operator generates entire branded emails from conversational prompts
Beacon design system ensures platform adheres to WCAG 2.1 AA standards
Intelligent Timing feature optimizes send time for each message and user
Content assets and workflows catalogued for easy reuse
Large partner network and Bonfire Community (4,700+ members) with best-practice sharing, networking, job board, and certifications
Track record of delivering promised innovations
Supports large geographic footprint with multilingual interface

Cons:

Customers note reporting needs improvement
AI-driven segmentation isn't excellent yet
Vision aligns with capabilities but innovation lacks specificity compared to other providers

Iterable - Strong Performers

Pros:

Superior dynamic messaging capabilities allowing personalization using any data and metadata
Platform built on principles of universal accessibility
Portfolio view to manage goals and priorities by brand and performance
All content and workflows can be contextualized for reuse
Customer-centric approach to innovation with 30% of revenue invested in R&D
Customers save significant time (one cut daily newsletter from 4 hours to 30 minutes)
Responsive client services and proactive ideation

Cons:

Partner ecosystem is comparatively small, focusing primarily on enabling core email functions
Fewer than 10% of clients use agency services
Data governance relies on rules and role-based permissions, below par compared to peers
Customers note Iterable sometimes misses business context of requests
Customers want more from AI offerings
Community offerings fewer than competitors

Klaviyo - Strong Performers

Pros:

Outstanding skills improvement - Klaviyo Academy includes 120+ on-demand courses, 60+ live trainings, and 6 certifications
Contextual education, workflow prompts, and AI-powered recommendations
Fast pace of development and outstanding customer success
Ease of use and straightforward DIY orientation
35,000-member community with events, training, and best-practice sharing
25,000 new email customers in 2025
Customers love efficiency from consolidating marketing channels, data, and service

Cons:

Dynamic messaging primarily includes product recommendations only
AI approach lacks an ethics framework
Consent is managed broadly
Professional services include implementation and deliverability solutions only
Vision to deliver first autonomous marketing platform for B2C brands into enterprise can't yet be proven
Customers don't like deluge of product collateral from enthusiasm for new developments

Netcore Cloud - Strong Performers

Pros:

Superior innovation, partner ecosystem, and pricing
Invests half of revenue in R&D
Opens application architecture to partner development
Performance-based pricing to offset experimentation risk
Rapid query return time for querying and segmentation
Shoppable emails for in-email innovation
Full-service agency support for half of clients
High-touch customer service, quick resolution, and proactivity
30% email customer growth in 2025

Cons:

Regulatory compliance lacks automation
Content management omits context
Platform is easy to use but isn't accessible
Several functional areas lag due to relational data structure
Customers concerned about slower AI innovation than market standard
Customers note loss of agility as Netcore grows

Cheetah Digital - Contenders

Pros:

80% of enterprise clients rely on market-defining strategy, creative, analytics, tech, and operations services
Only packaged 'reputation protection' feature to skip complainers and reduce risk
'Hidden Inbox' summary to influence AI-generated inbox summaries
Competitive message composition, accessibility, and consumer privacy capabilities
Volume-based and intuitive pricing model
Vision suits sensitivity to marketer needs

Cons:

Current offering largely lags competitors due to relational data structure and AI immaturity
Strategy components (innovation, adoption, roadmap, community, partner network) currently undergoing refresh under Zeta ownership
How vision and capabilities will change under Zeta's parentage remains to be seen
Customers find platform tired
One customer uses other tools for message creation and relies on Cheetah only for deployment, deliverability, and measurement

Salesforce - Contenders

Pros:

Ethical AI and Governance Framework protects consumer privacy and mitigates bias
Excellent global footprint and multilingual interface
Unified customer profile aids portfolio management
Strong data management
Capable online learning features for skills improvement
Large partner ecosystem - partners build applications on SDKs
Trailblazer Community includes 1,300 interest groups with emotionally connected members
Strong roadmap with planned AI-enabled email conversations

Cons:

Innovation lacks specificity compared to other providers
Vision for 'transforming email inbox from static channel into intelligent interface' may require costly product upgrades
Message composition, queries and segmentation, and in-email innovation functionality trail the market
Customers find it complex, expensive, and lacking flexibility
One customer uses third-party editor for template creation, finding Salesforce's tools too technical

SAP - Contenders

Pros:

Superior score for responsible AI from renowned ethics framework
Sizeable global footprint
Accessibility-compliant product interface
Privacy by design and AI security
Raft of agency services
Well-documented roadmap and onboarding guidance
Straightforward pricing with AI bundled at all pricing tiers

Cons:

Doesn't yet power conversational AI agent to create full campaigns and segments
Email innovation consists primarily of behavioral targeting, not in-email commerce
Message composition, queries and segmentation, and in-email innovation functionality trail the market
Innovation and partner ecosystem prioritize other parts of SAP's business over marketing technology
Customers express concerns about age of SAP Emarsys technology
Custom development required to keep up with market innovation
Declined to participate in full Forrester Wave evaluation process

FAQs

Q: Which vendors are Leaders in 2026?

A: Adobe, Cordial, Zeta Global

Q: What does "Leader" mean in Forrester Wave terms?

A: Leaders in the Forrester Wave demonstrate strong current offerings and robust strategies. They excel across multiple evaluation criteria, showing superior capabilities in AI implementation, data management, innovation, and customer service. Leaders typically receive the highest scores in critical functional areas and maintain strong customer feedback ratings.

Q: How do I interpret a Forrester Wave?

A: https://www.forrester.com/policies/forrester-wave-methodology/

Report:

Top Vendor Products for Email Marketing Service Providers in 2026

Email Marketing Service Providers Vendor Product Comparisons 2026

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FAQs

Q: Which vendors are Leaders in 2026?

Q: What does "Leader" mean in Forrester Wave terms?

Q: How do I interpret a Forrester Wave?

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