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Hub Site

A SharePoint Hub Site is a designated site that associates related sites under a shared navigation, theme, and search scope, enabling cross-site content discovery, news rollup, and consistent branding.

Common Use Cases

  • Corporate Intranet: A hub site that connects all department sites, enabling cross-department news rollups and a unified navigation experience
  • Product organization: A product organization uses a hub site per product line, associating sprint team sites, documentation sites, and support sites for cross-product search and navigation
  • Regional structure: Geographic regions each have a hub site with associated country or office sites, enabling region-specific news and navigation while sharing a global intranet root
  • Project portfolios: A PMO hub site associates all active project sites, surfacing project news, status, and documents through the hub’s news and highlighted content web parts
  • Compliance grouping: Hub sites group related team sites for scoped search and reporting, making it easy to audit content within a business function or regulatory domain

Benefits

  • Federated search: Hub-scoped search returns results only from associated sites, reducing noise and helping users find relevant content within a defined context
  • News aggregation: The News web part on a hub site automatically aggregates and displays news posts published across all associated sites, no manual curation required
  • Shared navigation: Hub navigation appears on all associated sites, providing consistent global links without requiring each site to maintain duplicate navigation entries
  • Flat information architecture: Hub sites replace deep subsite hierarchies with a flat, associated model that is easier to manage and more resilient to reorganization
  • Dynamic association: Sites can join or leave a hub at any time without content migration, making organizational restructuring much simpler than subsite-based hierarchies

Key Considerations

  • Tenant limit: Microsoft caps hub sites at 2,000 per tenant; while large, multi-hub architectures should be designed with this in mind
  • Association requires admin: Only SharePoint Admins can register a site as a hub; site owners can request association, but cannot self-register hub sites
  • Single hub membership: A site can be associated with only one hub at a time
  • Nested Hubs: You can associate one hub with another, creating a hub hierarchy. Microsoft recommends up to 3 levels for the best search experience
  • No Impact on Permissions: Associating a site with a hub does not change its permissions. Access is still controlled by the site’s security groups and membership.