Ultimate Multisite is a WordPress Multisite plugin designed to help you build, sell, and manage a Website-as-a-Service (WaaS) platform on your own infrastructure.

With Ultimate Multisite, you can create subscription plans, provision new sites from templates, map custom domains, and manage customers across your WordPress Multisite network — all from one integrated system built specifically for Multisite.

Launch niche site builders, productized services, franchise networks, or internal platforms without stitching together dozens of plugins. From checkout to provisioning to ongoing management, Ultimate Multisite provides the core building blocks for running a modern, scalable WordPress multisite platform.

Formerly known as WP Ultimo, Ultimate Multisite is now community-maintained and actively improved.

Also Known As

Ultimate Multisite is commonly searched for as:

Ultimate Multisite plugin
Ultimate Multisite WordPress
Multisite Ultimate
WP Ultimo

If you are looking for WP Ultimo, this is the community-maintained successor.

Key Features

Everything you need to build and scale a WordPress Multisite SaaS platform:

Fast Site Creation – Self-serve signup that provisions new sites instantly from templates
Domain Mapping – Custom domains with automated DNS verification and guided setup
Payments & Subscriptions – Stripe and PayPal support for recurring plans and one-time fees
Flexible Plans & Limits – Package features and enforce quotas across your multisite network
Template Library – High-converting site templates customers can launch in minutes
Customer Dashboard – Branded UI for managing billing, sites, domains, and settings
White-Label Ready – Rename, rebrand, and customize the experience
Hosting Integrations – Cloudflare, GridPane, Cloudways, WPMU DEV, and more
Developer-Friendly – Hooks, filters, and an extensible add-on system

Who Is Ultimate Multisite For?

Agencies productizing WordPress into recurring plans
Creators launching niche or industry-specific site builders
Hosts and MSPs offering white-label WordPress platforms
Franchises and multi-location brands managing many similar sites
Universities and organizations provisioning sites at scale
Internal teams deploying microsites and campaigns

Popular Use Cases

Productized website services with recurring billing
Franchise and multi-location networks with brand-consistent sites
Industry-specific “site builder” platforms
Private networks for events, departments, or communities
Educational institutions provisioning program or class sites

Why Choose Ultimate Multisite

Built for WordPress Multisite – Not retrofitted from single-site assumptions
Open & Community-Maintained – Transparent development and frequent updates
Proven Architecture – Templates, plans, and domain mapping built-in
Extensible by Design – Add-ons, actions, filters, and hosting integrations
You Own the Stack – No forced SaaS lock-in or proprietary hosting

If you searched for “Ultimate Multisite” on the WordPress plugin directory, this plugin provides the full multisite SaaS and WaaS functionality you are looking for.

Get Started in Minutes

Enable WordPress Multisite on a staging or production site
Install and Network Activate Ultimate Multisite
Run the setup wizard and create your first plan and template
Share your signup page and start provisioning sites

Documentation

Requirements

WordPress Multisite 5.3 or higher
PHP 7.4.30 or higher
MySQL 5.6 or higher

Support

For support, please open an issue on the GitHub repository.

External Services

This plugin connects to external services to provide optional functionality. All services are disclosed during setup and can be enabled or disabled as needed.

Geolocation Services

MaxMind GeoLite2
– Downloads a geolocation database (no personal data sent)
– Used only when geolocation features are enabled
– https://www.maxmind.com/en/privacy-policy

IP Lookup APIs
– Used to determine public IP address (no data stored)
– Services include IPify, IPinfo.io, IP-API, and others

Plugin Updates and Add-ons

Ultimate Multisite Update Server
– Sends site URL, plugin version, and license metadata
– Used for plugin and add-on updates
– https://ultimatemultisite.com/privacy-policy/

Payment Processing

Stripe
– Processes card payments and subscriptions
– When using the Stripe integration, a 3% fee per-transaction is applied to support ongoing development. This fee is waived for sites that have purchased any addon from ultimatemultisite.com. The fee is collected by Stripe as part of the payment and does not affect the amount charged to your customers.
– https://stripe.com/privacy

PayPal
– Processes PayPal payments
– https://www.paypal.com/us/legalhub/privacy-full

Site Screenshots

Microlink (primary)
– Generates site thumbnail screenshots using a headless browser
– Sends only the target site URL; no user data is transmitted
– Free tier: 50 requests per day without an API key
– https://microlink.io/privacy

thum.io (fallback)
– Used as a fallback when Microlink is unavailable
– Sends only the target site URL; no user data is transmitted
– https://www.thum.io/

Hosting Integrations

Integrations may send site configuration data and API credentials only when explicitly enabled.

Supported providers include:
– Cloudflare
– Closte
– Cloudways
– GridPane
– WPMU DEV

Usage Tracking (Opt-In)

Anonymous telemetry is disabled by default and requires explicit opt-in.

Data collected includes:
– WordPress and PHP versions
– Plugin version and enabled add-ons
– Anonymized usage ranges

No personal data, domains, IP addresses, or payment information are collected.

Ultimate Multisite – WordPress Multisite SaaS & WaaS Platform