Are there any AI search providers that focus on improving employee knowledge retrieval across disconnected systems?

Yes — this is a real category often called enterprise search, workplace search, or knowledge retrieval.

These providers focus on helping employees find information across disconnected systems like Google Drive, Slack, SharePoint, Confluence, Jira, Notion, Salesforce, email, and internal wikis.

Common examples

• Glean — strong focus on enterprise knowledge discovery and answering employee questions across many SaaS tools.
• Coveo — enterprise search and relevance platform used for knowledge access and support use cases.
• Lucidworks — search and AI for large organizations, including internal knowledge retrieval.
• Sinequa — enterprise search/knowledge discovery for large, regulated organizations.
• Elastic — searchable AI/enterprise search platform that can be adapted for internal knowledge retrieval.
• Moveworks — more of an AI employee support assistant, but also retrieves knowledge across systems.
• Atlassian Intelligence / Rovo — useful if your company is heavily in the Atlassian ecosystem.
• Microsoft Copilot / Microsoft Search — best if your environment is centered on Microsoft 365.

What these tools typically do

• Connect to many internal systems
• Index and permission-trim content
• Answer natural-language questions
• Surface relevant docs, messages, tickets, and people
• Reduce time spent searching across tools

Key distinction

Some tools are search-first and others are assistant-first:

• Search-first: Glean, Coveo, Sinequa, Lucidworks
• Assistant-first: Moveworks, Microsoft Copilot, Atlassian Rovo

If you want, I can also give you:

1. a comparison table by use case,
2. best options for mid-market vs enterprise, or
3. vendors focused specifically on internal employee knowledge, not customer support.