Best Enterprise Search Tools For 2027

Last updated: November 12, 2026

The best enterprise search tools for 2027 are Glean for AI search and agents across hundreds of work apps, Microsoft 365 Copilot for Microsoft-centric companies, Gemini Enterprise for Google Workspace organizations and Atlassian Rovo for teams on Jira and Confluence. Coveo, Elastic, Guru, Sinequa and Moveworks cover customer-facing search, custom builds, verified knowledge, complex enterprises and employee support.

Enterprise search tools let employees find answers across Slack, email, documents, tickets and wikis from one place. AI has turned them into assistants that answer questions, cite sources and take actions, while respecting each user’s permissions.

Here are the leading platforms.

How We Chose

We compared connector coverage, permission-aware results, answer quality with citations, AI agents, security and compliance, deployment options and fit by company size and stack.

Enterprise Search Tools At A Glance

Tool	Best For	Standout Strength
Glean	Mid-size and large companies	Large connector library and permission-aware answers
Microsoft 365 Copilot	Microsoft-centric organizations	Works across Outlook, Teams, SharePoint and more
Gemini Enterprise	Google Workspace organizations	Search and agents across Google and third-party apps
Atlassian Rovo	Atlassian customers	Search, chat and agents across Atlassian and other apps
Coveo	Support portals and commerce sites	Relevance tuning and generative answers
Elastic	Teams with engineering resources	Flexible search and vector database
Guru	Teams that need trusted answers	Knowledge verification workflows
Sinequa	Large enterprises in regulated industries	Handles complex data and deployments
Moveworks	IT and HR service teams	Resolves requests across systems

Best Enterprise Search Tools For 2027

1. Glean — AI Search And Agents Across Every Work App

Glean connects to many workplace apps, builds a knowledge graph and answers questions with citations while respecting permissions. Its agents automate common tasks.

It is the best-known dedicated enterprise search vendor.

2. Microsoft 365 Copilot — Search And Answers Across Microsoft 365

Microsoft 365 Copilot searches and reasons across email, chats, meetings and files, and connectors extend it to other systems.

It suits organizations standardized on Microsoft.

3. Gemini Enterprise — Google’s AI Search And Agent Platform

Gemini Enterprise, which grew out of Google Agentspace, combines enterprise search, AI assistants and agents across Google Workspace and connected apps.

It suits companies on Google Cloud and Workspace.

4. Atlassian Rovo — AI Search For Teams On Jira And Confluence

Rovo searches across Jira, Confluence and connected tools, answers questions in chat and offers agents for common workflows.

It is included with many Atlassian cloud plans.

5. Coveo — AI Search For Customer And Employee Experiences

Coveo powers AI search and generative answers for websites, support portals and commerce, as well as employee search.

It suits companies improving customer self-service.

6. Elastic — Build Your Own Search And AI Retrieval

Elastic gives developers a powerful search engine and vector database to build custom search and RAG applications.

It suits companies that want full control.

7. Guru — Verified Knowledge With AI Answers

Guru connects to work apps and adds verification, so experts confirm answers stay accurate. AI answers draw on verified knowledge.

It suits support, sales and HR teams.

8. Sinequa — Enterprise Search For Complex, Regulated Organizations

Sinequa, now part of ChapsVision, serves large organizations in industries such as manufacturing, defense and life sciences with search and AI assistants.

It suits complex, security-sensitive environments.

9. Moveworks — AI Assistant For Employee Support

Moveworks, now part of ServiceNow, offers an AI assistant that finds answers and resolves IT and HR requests across enterprise systems.

It suits organizations focused on employee service.

How To Choose An Enterprise Search Tool

Which Apps Hold Your Knowledge?

Check connectors for every system that matters. Glean has broad coverage, while Microsoft, Google and Atlassian tools excel inside their ecosystems.

How Are Permissions Enforced?

Results must respect each user’s access. Ask vendors how permissions are synced and tested.

Do You Need Answers Or Actions?

Many tools now offer agents that take actions. Decide whether you need that now or later.

What Are The Security Requirements?

Review data residency, encryption, AI training policies and certifications.

Frequently Asked Questions

What is enterprise search?

Enterprise search lets employees search across company apps and documents from one place, with results limited to what each person can access.

What is the best enterprise search tool?

Glean is the best dedicated option, while Microsoft 365 Copilot, Gemini Enterprise and Atlassian Rovo are strong within their ecosystems.

Is Glean better than Microsoft Copilot?

Glean covers more third-party apps, while Copilot is deeply integrated with Microsoft 365. Many companies choose based on their main stack.

Can enterprise search tools use AI safely?

Leading tools respect permissions and offer enterprise security, but you should review data policies and test with sensitive content.

Conclusion

Glean leads for broad coverage, while Microsoft 365 Copilot, Gemini Enterprise and Rovo are natural picks within their ecosystems.

Start with the questions employees ask most and measure time saved.

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