diff --git a/docs/contributing/tasks.md b/docs/contributing/tasks.md
index 5f8a6df991..41a8bb80c1 100644
--- a/docs/contributing/tasks.md
+++ b/docs/contributing/tasks.md
@@ -35,6 +35,7 @@ npm scripts are defined in `package.json`. These trigger a number of Gulp tasks.
 - clean the `./package` folder
 - copy Sass files, applying Autoprefixer via PostCSS
 - copy Nunjucks component template/macro files, including JSON configs
+- copy GOV.UK Prototype Kit config files
 - copy JavaScript ESM source files
 - compile JavaScript ESM to CommonJS (`gulp js:compile`)
 - runs `npm run test:build:package` (which will test the output is correct)
diff --git a/gulpfile.js b/gulpfile.js
index 656bb4ce1c..da2b03f721 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -12,6 +12,7 @@ require('./tasks/gulp/watch.js')
 
 // Node tasks
 const { updateDistAssetsVersion } = require('./tasks/asset-version.js')
+const { updatePrototypeKitConfig } = require('./tasks/prototype-kit-config.js')
 const { clean } = require('./tasks/clean.js')
 const { npmScriptTask } = require('./tasks/run.js')
 
@@ -73,7 +74,8 @@ gulp.task('dev', gulp.series(
 gulp.task('build:package', gulp.series(
   clean,
   'copy:files',
-  'js:compile'
+  'js:compile',
+  updatePrototypeKitConfig
 ))
 
 /**
diff --git a/package/govuk-prototype-kit.config.json b/package/govuk-prototype-kit.config.json
index a514066fba..39ca7a384f 100644
--- a/package/govuk-prototype-kit.config.json
+++ b/package/govuk-prototype-kit.config.json
@@ -3,12 +3,127 @@
     "/"
   ],
   "scripts": [
-    "/govuk/all.js"
+    "/govuk/all.js",
+    "/govuk/_govuk-prototype-kit-init.js"
   ],
   "assets": [
     "/govuk/assets"
   ],
   "sass": [
-    "/govuk/all.scss"
+    "/govuk/_govuk-prototype-kit.scss"
+  ],
+  "nunjucksMacros": [
+    {
+      "importFrom": "govuk/components/accordion/macro.njk",
+      "macroName": "govukAccordion"
+    },
+    {
+      "importFrom": "govuk/components/back-link/macro.njk",
+      "macroName": "govukBackLink"
+    },
+    {
+      "importFrom": "govuk/components/breadcrumbs/macro.njk",
+      "macroName": "govukBreadcrumbs"
+    },
+    {
+      "importFrom": "govuk/components/button/macro.njk",
+      "macroName": "govukButton"
+    },
+    {
+      "importFrom": "govuk/components/character-count/macro.njk",
+      "macroName": "govukCharacterCount"
+    },
+    {
+      "importFrom": "govuk/components/checkboxes/macro.njk",
+      "macroName": "govukCheckboxes"
+    },
+    {
+      "importFrom": "govuk/components/cookie-banner/macro.njk",
+      "macroName": "govukCookieBanner"
+    },
+    {
+      "importFrom": "govuk/components/date-input/macro.njk",
+      "macroName": "govukDateInput"
+    },
+    {
+      "importFrom": "govuk/components/details/macro.njk",
+      "macroName": "govukDetails"
+    },
+    {
+      "importFrom": "govuk/components/error-message/macro.njk",
+      "macroName": "govukErrorMessage"
+    },
+    {
+      "importFrom": "govuk/components/error-summary/macro.njk",
+      "macroName": "govukErrorSummary"
+    },
+    {
+      "importFrom": "govuk/components/fieldset/macro.njk",
+      "macroName": "govukFieldset"
+    },
+    {
+      "importFrom": "govuk/components/file-upload/macro.njk",
+      "macroName": "govukFileUpload"
+    },
+    {
+      "importFrom": "govuk/components/input/macro.njk",
+      "macroName": "govukInput"
+    },
+    {
+      "importFrom": "govuk/components/inset-text/macro.njk",
+      "macroName": "govukInsetText"
+    },
+    {
+      "importFrom": "govuk/components/notification-banner/macro.njk",
+      "macroName": "govukNotificationBanner"
+    },
+    {
+      "importFrom": "govuk/components/pagination/macro.njk",
+      "macroName": "govukPagination"
+    },
+    {
+      "importFrom": "govuk/components/panel/macro.njk",
+      "macroName": "govukPanel"
+    },
+    {
+      "importFrom": "govuk/components/phase-banner/macro.njk",
+      "macroName": "govukPhaseBanner"
+    },
+    {
+      "importFrom": "govuk/components/radios/macro.njk",
+      "macroName": "govukRadios"
+    },
+    {
+      "importFrom": "govuk/components/select/macro.njk",
+      "macroName": "govukSelect"
+    },
+    {
+      "importFrom": "govuk/components/skip-link/macro.njk",
+      "macroName": "govukSkipLink"
+    },
+    {
+      "importFrom": "govuk/components/summary-list/macro.njk",
+      "macroName": "govukSummaryList"
+    },
+    {
+      "importFrom": "govuk/components/table/macro.njk",
+      "macroName": "govukTable"
+    },
+    {
+      "importFrom": "govuk/components/tabs/macro.njk",
+      "macroName": "govukTabs"
+    },
+    {
+      "importFrom": "govuk/components/tag/macro.njk",
+      "macroName": "govukTag"
+    },
+    {
+      "importFrom": "govuk/components/textarea/macro.njk",
+      "macroName": "govukTextarea"
+    },
+    {
+      "importFrom": "govuk/components/warning-text/macro.njk",
+      "macroName": "govukWarningText"
+    }
   ]
 }
diff --git a/src/govuk-prototype-kit/govuk-prototype-kit.config.mjs b/src/govuk-prototype-kit/govuk-prototype-kit.config.mjs
new file mode 100644
index 0000000000..d5add35c12
--- /dev/null
+++ b/src/govuk-prototype-kit/govuk-prototype-kit.config.mjs
@@ -0,0 +1,44 @@
+import { join, relative } from 'path'
+import slash from 'slash'
+
+import { filterPath, getDirectories, getListing } from '../../lib/file-helper.js'
+import { componentNameToMacroName } from '../../lib/helper-functions.js'
+import configPaths from '../../config/paths.js'
+
+/**
+ * GOV.UK Prototype Kit config builder
+ */
+export default async () => {
+  const componentsFiles = await getListing(configPaths.components)
+  const componentNames = await getDirectories(configPaths.components)
+
+  // Build array of macros
+  const nunjucksMacros = componentNames
+    .map((componentName) => {
+      const [macroPath] = componentsFiles
+        .filter(filterPath([`${componentName}/macro.njk`]))
+
+      // Relative path to src without 'govuk'
+      const rootPath = join(configPaths.src, '../')
+
+      return {
+        importFrom: slash(relative(rootPath, join(configPaths.components, macroPath))),
+        macroName: componentNameToMacroName(componentName)
+      }
+    })
+
+  return {
+    assets: [
+      '/govuk/assets'
+    ],
+    sass: [
+      '/govuk-prototype-kit/init.scss'
+    ],
+    scripts: [
+      '/govuk/all.js',
+      '/govuk-prototype-kit/init.js'
+    ],
+    nunjucksMacros,
+    nunjucksPaths: ['/']
+  }
+}
diff --git a/src/govuk-prototype-kit/govuk-prototype-kit.config.unit.test.mjs b/src/govuk-prototype-kit/govuk-prototype-kit.config.unit.test.mjs
new file mode 100644
index 0000000000..19710f59d2
--- /dev/null
+++ b/src/govuk-prototype-kit/govuk-prototype-kit.config.unit.test.mjs
@@ -0,0 +1,163 @@
+import configFn from './govuk-prototype-kit.config.mjs'
+
+describe('GOV.UK Prototype Kit config', () => {
+  let config
+
+  beforeAll(async () => {
+    config = await configFn()
+  })
+
+  it('includes paths for assets, scripts, sass', () => {
+    expect(config.assets).toEqual([
+      '/govuk/assets'
+    ])
+
+    expect(config.sass).toEqual([
+      '/govuk-prototype-kit/init.scss'
+    ])
+
+    expect(config.scripts).toEqual([
+      '/govuk/all.js',
+      '/govuk-prototype-kit/init.js'
+    ])
+  })
+
+  describe('Nunjucks', () => {
+    it('includes macros list', () => {
+      expect(config.nunjucksMacros).toEqual([
+        {
+          importFrom: 'govuk/components/accordion/macro.njk',
+          macroName: 'govukAccordion'
+        },
+        {
+          importFrom: 'govuk/components/back-link/macro.njk',
+          macroName: 'govukBackLink'
+        },
+        {
+          importFrom: 'govuk/components/breadcrumbs/macro.njk',
+          macroName: 'govukBreadcrumbs'
+        },
+        {
+          importFrom: 'govuk/components/button/macro.njk',
+          macroName: 'govukButton'
+        },
+        {
+          importFrom: 'govuk/components/character-count/macro.njk',
+          macroName: 'govukCharacterCount'
+        },
+        {
+          importFrom: 'govuk/components/checkboxes/macro.njk',
+          macroName: 'govukCheckboxes'
+        },
+        {
+          importFrom: 'govuk/components/cookie-banner/macro.njk',
+          macroName: 'govukCookieBanner'
+        },
+        {
+          importFrom: 'govuk/components/date-input/macro.njk',
+          macroName: 'govukDateInput'
+        },
+        {
+          importFrom: 'govuk/components/details/macro.njk',
+          macroName: 'govukDetails'
+        },
+        {
+          importFrom: 'govuk/components/error-message/macro.njk',
+          macroName: 'govukErrorMessage'
+        },
+        {
+          importFrom: 'govuk/components/error-summary/macro.njk',
+          macroName: 'govukErrorSummary'
+        },
+        {
+          importFrom: 'govuk/components/fieldset/macro.njk',
+          macroName: 'govukFieldset'
+        },
+        {
+          importFrom: 'govuk/components/file-upload/macro.njk',
+          macroName: 'govukFileUpload'
+        },
+        {
+          importFrom: 'govuk/components/footer/macro.njk',
+          macroName: 'govukFooter'
+        },
+        {
+          importFrom: 'govuk/components/header/macro.njk',
+          macroName: 'govukHeader'
+        },
+        {
+          importFrom: 'govuk/components/hint/macro.njk',
+          macroName: 'govukHint'
+        },
+        {
+          importFrom: 'govuk/components/input/macro.njk',
+          macroName: 'govukInput'
+        },
+        {
+          importFrom: 'govuk/components/inset-text/macro.njk',
+          macroName: 'govukInsetText'
+        },
+        {
+          importFrom: 'govuk/components/label/macro.njk',
+          macroName: 'govukLabel'
+        },
+        {
+          importFrom: 'govuk/components/notification-banner/macro.njk',
+          macroName: 'govukNotificationBanner'
+        },
+        {
+          importFrom: 'govuk/components/pagination/macro.njk',
+          macroName: 'govukPagination'
+        },
+        {
+          importFrom: 'govuk/components/panel/macro.njk',
+          macroName: 'govukPanel'
+        },
+        {
+          importFrom: 'govuk/components/phase-banner/macro.njk',
+          macroName: 'govukPhaseBanner'
+        },
+        {
+          importFrom: 'govuk/components/radios/macro.njk',
+          macroName: 'govukRadios'
+        },
+        {
+          importFrom: 'govuk/components/select/macro.njk',
+          macroName: 'govukSelect'
+        },
+        {
+          importFrom: 'govuk/components/skip-link/macro.njk',
+          macroName: 'govukSkipLink'
+        },
+        {
+          importFrom: 'govuk/components/summary-list/macro.njk',
+          macroName: 'govukSummaryList'
+        },
+        {
+          importFrom: 'govuk/components/table/macro.njk',
+          macroName: 'govukTable'
+        },
+        {
+          importFrom: 'govuk/components/tabs/macro.njk',
+          macroName: 'govukTabs'
+        },
+        {
+          importFrom: 'govuk/components/tag/macro.njk',
+          macroName: 'govukTag'
+        },
+        {
+          importFrom: 'govuk/components/textarea/macro.njk',
+          macroName: 'govukTextarea'
+        },
+        {
+          importFrom: 'govuk/components/warning-text/macro.njk',
+          macroName: 'govukWarningText'
+        }
+      ])
+    })
+
+    it('includes paths', () => {
+      expect(config.nunjucksPaths).toEqual(['/'])
+    })
+  })
+})
diff --git a/src/govuk-prototype-kit/init.js b/src/govuk-prototype-kit/init.js
new file mode 100644
index 0000000000..d9876d09b4
--- /dev/null
+++ b/src/govuk-prototype-kit/init.js
@@ -0,0 +1,7 @@
+if (window.GOVUKPrototypeKit &&
+  window.GOVUKPrototypeKit.documentReady &&
+  window.GOVUKPrototypeKit.majorVersion >= 13) {
+  window.GOVUKPrototypeKit.documentReady(function () {
+    window.GOVUKFrontend.initAll()
+  })
+}
diff --git a/src/govuk-prototype-kit/init.scss b/src/govuk-prototype-kit/init.scss
new file mode 100644
index 0000000000..3da1b76a45
--- /dev/null
+++ b/src/govuk-prototype-kit/init.scss
@@ -0,0 +1,12 @@
+$govuk-prototype-kit-major-version: 0 !default;
+
+$govuk-assets-path: if(
+  $govuk-prototype-kit-major-version > 12,
+  $govuk-extensions-url-context + "/govuk-frontend/govuk/assets/",
+  "/govuk/assets/"
+) !default;
+
+$govuk-global-styles: true !default;
+$govuk-new-link-styles: true !default;
+
+@import "../govuk/all";
diff --git a/tasks/gulp/__tests__/after-build-package.test.js b/tasks/gulp/__tests__/after-build-package.test.js
index 2fb7e5a582..c63f7bc481 100644
--- a/tasks/gulp/__tests__/after-build-package.test.js
+++ b/tasks/gulp/__tests__/after-build-package.test.js
@@ -42,29 +42,36 @@ describe('package/', () => {
     const listingExpected = listingSource
       .filter(filterPath(filterPatterns))
 
-      // Replaces source component '*.mjs' with:
-      // - `*.mjs` file copied to `govuk-esm`
-      // - `*.js` file compiled to `govuk`
+      // Replaces GOV.UK Prototype kit config with JSON
+      .flatMap(mapPathTo(['**/govuk-prototype-kit.config.mjs'], ({ dir: requirePath, name }) => [
+        join(requirePath, '../', `${name}.json`)
+      ]))
+
+      // Replaces all source '*.mjs' files
       .flatMap(mapPathTo(['**/*.mjs'], ({ dir: requirePath, name }) => {
-        const importPath = requirePath.replace(/^govuk/, 'govuk-esm')
+        const importFilter = /^govuk(?!-)/
+
+        // All source `**/*.mjs` files compiled to `**/*.js`
+        const output = [join(requirePath, `${name}.js`)]
+
+        // Only source `./govuk/**/*.mjs` files copied to `./govuk-esm/**/*.mjs`
+        if (importFilter.test(requirePath)) {
+          output.push(join(requirePath.replace(importFilter, 'govuk-esm'), `${name}.mjs`))
+        }
 
-        return [
-          join(importPath, `${name}.mjs`),
-          join(requirePath, `${name}.js`)
-        ]
+        return output
       }))
 
       // Replaces source component '*.yaml' with:
       // - `fixtures.json` fixtures for tests
       // - `macro-options.json` component options
-      .flatMap(mapPathTo(['**/*.yaml'], ({ dir }) => [
-        join(dir, 'fixtures.json'),
-        join(dir, 'macro-options.json')
+      .flatMap(mapPathTo(['**/*.yaml'], ({ dir: requirePath }) => [
+        join(requirePath, 'fixtures.json'),
+        join(requirePath, 'macro-options.json')
       ]))
 
       // Files already present in 'package'
       .concat(...[
-        'govuk-prototype-kit.config.json',
         'package.json',
         'README.md'
       ])
diff --git a/tasks/prototype-kit-config.js b/tasks/prototype-kit-config.js
new file mode 100644
index 0000000000..0e8329a1c6
--- /dev/null
+++ b/tasks/prototype-kit-config.js
@@ -0,0 +1,49 @@
+const { copyFile, mkdir, writeFile } = require('fs/promises')
+const { EOL } = require('os')
+const { dirname, join } = require('path')
+const { cwd } = require('process')
+
+const { destination } = require('./task-arguments.js')
+
+/**
+ * Write GOV.UK Prototype Kit config
+ *
+ * @returns {Promise<void>}
+ */
+async function updatePrototypeKitConfig () {
+  const { default: configFn } = await import('../src/govuk-prototype-kit/govuk-prototype-kit.config.mjs')
+
+  // Files to copy
+  const copyFiles = [
+    join('govuk-prototype-kit', 'init.js'),
+    join('govuk-prototype-kit', 'init.scss')
+  ]
+
+  // Copy files to destination
+  const configTasks = copyFiles.map(async (file) => {
+    const fileSource = join(cwd(), 'src', file)
+    const fileTarget = join(cwd(), destination, file)
+
+    // Create destination directory
+    await mkdir(dirname(fileTarget), { recursive: true })
+
+    // Copy file to destination
+    return copyFile(fileSource, fileTarget)
+  })
+
+  // JSON config file path + contents
+  const configPath = join(destination, 'govuk-prototype-kit.config.json')
+  const configJSON = JSON.stringify(await configFn(), null, 2) + EOL
+
+  // Write JSON config file
+  configTasks.push(writeFile(configPath, configJSON))
+
+  // Resolve on completion
+  return Promise.all(configTasks)
+}
+
+updatePrototypeKitConfig.displayName = 'update-prototype-kit-config'
+
+module.exports = {
+  updatePrototypeKitConfig
+}