G2 Vendor Directory

Shelf vs. Zendesk Contact Center

A side-by-side comparison based on G2 review data.

MetricShelf

by Shelf

Zendesk Contact Center

by Zendesk

Overall rating4.74.5
Review count141327
Ease of use9.59.2
Ease of setup9.69.0
Quality of support9.79.4
Meets requirements9.39.1
NPS83.70370470.347003
Small Business14.9%30.2%
Mid-Market56.7%59.2%
Enterprise28.4%10.6%
Total page views430878
Total LLM citations2,4826,211

Shelf

Shelf is the AI Data Layer for trusted enterprise AI and better answers for people. Shelf translates fragmented enterprise knowledge, documents, and files - together with the business context and logic that give them meaning - into a reusable AI data model. By embedding company-specific terminology, relationships, policies, and operating rules, Shelf gives AI agents the context to reason accurately and act with confidence. Enterprise governance and continuous quality assurance keep knowledge current, consistent, and accessible to the right people and agents.

Pros

  • Ease of Use
  • Time-saving
  • Visibility
  • AI Technology
  • AI Features
  • Layout Organization

Zendesk Contact Center

Zendesk for Contact Center is built with AI at its core to remove the gaps between channels, agents, and systems so every contact gets resolved faster across voice, self-service, and digital. Powered by the Zendesk Resolution Platform, it simplifies operations, accelerates service, and eliminates the fragility of legacy stacks and bolted-on tools. AI is embedded across every channel to accelerate agents and deflect the rest. Voice is native with AI Agents and Voice Copilot. And AI powered WFM, QA and reporting are included, no vendors to chase, no code to manage.

Pros

  • Ease of Use
  • Helpful
  • Efficiency
  • Features
  • Customer Support
  • Intuitive