diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ecb34606e45c..4ff2e575fb95 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -3877,6 +3877,15 @@ importers:
       '@date-fns/tz':
         specifier: 1.4.1
         version: 1.4.1
+      '@jetpack-premium-analytics/datetime':
+        specifier: link:packages/datetime
+        version: link:packages/datetime
+      '@jetpack-premium-analytics/formatters':
+        specifier: link:packages/formatters
+        version: link:packages/formatters
+      '@jetpack-premium-analytics/ui':
+        specifier: link:packages/ui
+        version: link:packages/ui
       '@tanstack/react-query':
         specifier: 5.90.8
         version: 5.90.8(react@18.3.1)
diff --git a/projects/packages/premium-analytics/changelog/update-ui-script-module b/projects/packages/premium-analytics/changelog/update-ui-script-module
new file mode 100644
index 000000000000..11aa098e8bab
--- /dev/null
+++ b/projects/packages/premium-analytics/changelog/update-ui-script-module
@@ -0,0 +1,4 @@
+Significance: patch
+Type: changed
+
+Build the internal ui and data packages as registered script modules (wpScriptModuleExports) so consumers externalize them instead of bundling per-consumer copies: styled ui components stay out of style-less builds, and data's QueryClient becomes a genuine page-wide singleton.
diff --git a/projects/packages/premium-analytics/package.json b/projects/packages/premium-analytics/package.json
index e0c33bcdeae1..002d12f6ab34 100644
--- a/projects/packages/premium-analytics/package.json
+++ b/projects/packages/premium-analytics/package.json
@@ -35,6 +35,9 @@
 		"@automattic/number-formatters": "workspace:*",
 		"@automattic/ui": "1.0.2",
 		"@date-fns/tz": "1.4.1",
+		"@jetpack-premium-analytics/datetime": "link:packages/datetime",
+		"@jetpack-premium-analytics/formatters": "link:packages/formatters",
+		"@jetpack-premium-analytics/ui": "link:packages/ui",
 		"@tanstack/react-query": "5.90.8",
 		"@wordpress/api-fetch": "7.48.0",
 		"@wordpress/boot": "0.14.1",
diff --git a/projects/packages/premium-analytics/packages/data/package.json b/projects/packages/premium-analytics/packages/data/package.json
index b4d211f35b47..ac732cc47a35 100644
--- a/projects/packages/premium-analytics/packages/data/package.json
+++ b/projects/packages/premium-analytics/packages/data/package.json
@@ -4,6 +4,8 @@
 	"private": true,
 	"type": "module",
 	"main": "src/index.ts",
+	"module": "build-module/index.mjs",
+	"wpScriptModuleExports": "./build-module/index.mjs",
 	"types": "src/index.ts",
 	"sideEffects": false,
 	"dependencies": {
diff --git a/projects/packages/premium-analytics/packages/ui/package.json b/projects/packages/premium-analytics/packages/ui/package.json
index 1a0ef18366fe..434d0b4688d1 100644
--- a/projects/packages/premium-analytics/packages/ui/package.json
+++ b/projects/packages/premium-analytics/packages/ui/package.json
@@ -4,6 +4,8 @@
 	"private": true,
 	"type": "module",
 	"main": "src/index.ts",
+	"module": "build-module/index.mjs",
+	"wpScriptModuleExports": "./build-module/index.mjs",
 	"types": "src/index.ts",
 	"sideEffects": [
 		"*.scss"