Ultimate Multisite turns your WordPress Multisite into a full WaaS (Website as a Service) platform—so you can sell plans, provision new sites from templates, map custom domains, and manage customers and billing with confidence.
Launch niche site builders, productized services, or large, branded networks without stitching together dozens of tools. From checkout to provisioning to ongoing management, Ultimate Multisite gives you the building blocks to create a modern, scalable website platform on top of WordPress.
Formerly known as WP Ultimo, now community‑maintained and actively improved.
Key Features
Build, sell, and scale with a feature set designed for WaaS operators:
- Fast Site Creation – Self‑serve signup that provisions new sites instantly from templates
- Domain Mapping – Custom domains with automated DNS verification and clear guidance
- Payments & Subscriptions – Stripe and PayPal support for recurring plans and one‑time fees
- Flexible Plans & Limits – Package features and enforce quotas/limitations across your network
- Template Library – Create high‑converting templates your customers can launch in minutes
- Customer Dashboard – Clean, branded UI for managing billing, sites, domains, and settings
- White‑Label Ready – Rename, rebrand, and tailor the experience to your business
- Hosting Integrations – Cloudflare, GridPane, Cloudways, WPMU DEV, and more
- Developer‑Friendly – Hooks, filters, and an add‑on system for deep customization
Who Is It For?
- Agencies productizing WordPress into packages and recurring plans
- Creators launching niche site builders (local business sites, portfolios, courses, communities)
- Hosts and MSPs offering white‑label WordPress at scale
- Franchises, universities, and multi‑location brands with many similar sites
- Internal teams rolling out microsites and campaigns on shared infrastructure
Popular Use Cases
- Productized website services with recurring billing and templates
- Franchise and multi‑location networks with brand‑consistent starter sites
- “Site builder” offerings for a specific industry or niche
- Private networks for internal departments, events, or communities
- Educational institutions provisioning class, club, or program sites
Why Ultimate Multisite
- Open & Community‑Maintained – Transparent development, active updates
- WordPress‑Native – Built specifically for Multisite; no heavy SaaS lock‑in
- Proven Architecture – Templates, plans, and domain mapping built‑in
- Extensible – Add‑on system, actions/filters, and hosting integrations
- Owned Infrastructure – Run your WaaS on your stack, your way
Try It In Minutes
- Enable WordPress Multisite on a staging site
- Install and Network Activate Ultimate Multisite
- Run the setup wizard, create a plan, and add a template
- Share your signup page and start selling
Ready to build your WaaS? Install the plugin and launch your first customer site today.
Where to find help
Contributing
We welcome contributions to Ultimate Multisite! To contribute see the
GitHub repository.
Version [2.4.5] - Released on 2025-09-30
- Fixed: Custom domain check when downgrading.
- Fixed: Bug in Action Scheduler.
- Fixed: Hosting integration wizard freezing during setup.
- Improved: More robust handling for login URL obfuscation when 404 template unavailable.
- Improved: Better error messaging for installer with sanitized HTML display.
- Added: Recommended plugins installer functionality.
- Added: New end-to-end testing framework.
- Added: Option to include a "Powered by..." message in the footer of customer sites.
- Added: Install recommended "user-switching" plugin during setup wizard.
- Improved: Autogeneration of site urls and usernames to be more human friendly.
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Improved: Code style and return type consistency across codebase.
Version [2.4.4] - Released on 2025-09-17
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Fixed: Saving email templates without stripping html
- New: Option to allow site owners to edit users on their site
- Fixed: Invoices not loading when logo is not set
- Fixed: Verify DNS settings when using a reverse proxy
- Improved: Lazy load limitations for better performance and compatibility
- New: Add Admin Notice if sunrise.php is not setup
- New: Option to not always create www. subdomains with hosting integrations
-
Improved: Plugin renamed to Ultimate Multisite
Version [2.4.3] - Released on 2025-08-15
-
Fixed: Bug in Slim SEO plugin
- New: Addon Marketplace
- Fixed: Custom logo not showing on emails and invoices
-
Fixed: Limitations failing to load
Version [2.4.2] - Released on 2025-08-07
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Fixed: Authentication of the API
- Fixed: Saving checkout fields
- Fixed: Creating Products and Sites
- Fixed: Duplicating sites
- Improved: Performance of switch_blog
- Improved: Remove extra queries related update_meta_data hook and 1.X compat
- New: Addon Marketplace
- Improved: Update currencies to support all supported by Stripe
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Improved: Template previewer
Version [2.4.1] - Released on 2025-07-17
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Improved: Update Stripe PHP Library to latest version
- Improved: Update JS libs
- Fixed: Fatal error that may occur when upgrading from old name.
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Improved: Added check for custom domain count when downgrading.
Version [2.4.0] - Released on 2025-07-07
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Improved: Prep Plugin for release on WordPress.org
- Improved: Update translation text domain
- Fixed: Escape everything that should be escaped.
- Fixed: Add nonce checks where needed.
- Fixed: Sanitize all inputs.
- Improved: Apply Code style changes across the codebase.
- Fixed: Many deprecation notices.
- Improved: Load order of many filters.
- Improved: Add Proper Build script
- Improved: Use emojii flags
- Fixed: i18n deprecation notice for translating too early
- Improved: Put all scripts in footer and load async
- Improved: Add discounts to thank you page
- Improved: Prevent downgrading a plan if it the post type could would be over the limit
-
Fixed: Styles on thank you page of legacy checkout
Version [2.3.4] - Released on 2024-01-31
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Fixed: Unable to checkout with any payment gateway
-
Fixed: Warning Undefined global variable $pagenow
Version [2.3.3] - Released on 2024-01-29
-
Improved: Plugin renamed to Multisite Ultimate
- Removed: Enforcement of paid license
- Fixed: Incompatibilities with WordPress 6.7 and i18n timing
- Improved: Reduced plugin size by removing many unnecessary files and shrinking images
For the complete changelog history, visit:
https://github.com/superdav42/multisite-ultimate/releases