Enterprise search and an AI assistant that answer questions across a company's apps with permissions intact.
Full evaluationCategory guide · Reviewed Sep 8, 2026
Best AI Enterprise Search
ranked for real work.
Choose enterprise search by connector coverage, permission enforcement at query time, citation quality, deployment and security certifications, and per-user cost.
What we evaluate
- 1Connector coverage
- 2Permission enforcement
- 3Citation quality
- 4Security and cost
Ranked shortlist
7 enterprise search tools reviewed
Permission-aware search and answers across a company's apps, documents, and chats.
Agentic AI assistant platform for enterprise search, employee support, and workflow automation
Full evaluationMicrosoft's assistant across Windows, Edge, and Microsoft 365 apps for work and personal use.
Full evaluationAI-powered market intelligence and search platform aggregating broker research, expert calls, and corporate filings.
Full evaluationA company wiki, enterprise search, and AI answers with verification workflows to keep knowledge trusted.
Full evaluationNative generative AI for channel recaps, thread summaries, enterprise search, and agent workflows inside Slack.
Full evaluationEnterprise AI agents and workplace learning platform
Full evaluationAdjacent workflows
Related categories
AI Knowledge Management
Workspace search, documentation assistants, and company memory that answer questions from your own documents and apps.
See ranked tools →AI Company Wikis & Knowledge Bases
Internal documentation with AI answers, verification workflows, and in-app delivery.
See ranked tools →AI Personal Notes & Second Brain
Note apps that organise, connect, and answer from what you capture.
See ranked tools →Frequently asked
Choosing ai enterprise search
How does it keep documents private?+
Results are filtered by the source system's permissions at query time; test with a restricted document.
Is it worth it for a small company?+
Usually not below a few hundred people; team wikis with AI answers cover smaller teams.