diff --git a/assets/js/components/notifications/BannerNotifications.js b/assets/js/components/notifications/BannerNotifications.js
index 1a07b55e8db..f5cc2aff885 100644
--- a/assets/js/components/notifications/BannerNotifications.js
+++ b/assets/js/components/notifications/BannerNotifications.js
@@ -89,6 +89,7 @@ export default function BannerNotifications() {
 	} );
 
 	const [ notification ] = useQueryArg( 'notification' );
+	const [ slug ] = useQueryArg( 'slug' );
 
 	if ( viewOnly ) {
 		return <ZeroDataStateNotifications />;
@@ -98,7 +99,8 @@ export default function BannerNotifications() {
 		<Fragment>
 			{ adSenseModuleActive && <AdSenseAlerts /> }
 			<ModuleRecoveryAlert />
-			{ 'authentication_success' === notification && (
+			{ /* The Ads module uses the new, subtle notification rather than the old SetupSuccessBannerNotification */ }
+			{ 'authentication_success' === notification && slug !== 'ads' && (
 				<SetupSuccessBannerNotification />
 			) }
 			{ 'ad_blocking_recovery_setup_success' === notification && (
diff --git a/assets/js/components/notifications/SetupSuccessSubtleNotification.js b/assets/js/components/notifications/SetupSuccessSubtleNotification.js
new file mode 100644
index 00000000000..bc1e547d561
--- /dev/null
+++ b/assets/js/components/notifications/SetupSuccessSubtleNotification.js
@@ -0,0 +1,79 @@
+/**
+ * SetupSuccessSubtleNotification component.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * WordPress dependencies
+ */
+import { __ } from '@wordpress/i18n';
+
+/**
+ * Internal dependencies
+ */
+import CheckFill from '../../../svg/icons/check-fill.svg';
+import { Button } from 'googlesitekit-components';
+import { Grid, Cell, Row } from '../../material-components';
+import useQueryArg from '../../hooks/useQueryArg';
+
+export default function SetupSuccessSubtleNotification() {
+	const [ notification, setNotification ] = useQueryArg( 'notification' );
+	const [ slug, setSlug ] = useQueryArg( 'slug' );
+
+	const onDismiss = () => {
+		setNotification( undefined );
+		setSlug( undefined );
+	};
+
+	// The Ads module setup flow is the only module setup flow that uses this new style subtle
+	// notification, all others use the BannerNotification still.
+	if ( 'authentication_success' !== notification || slug !== 'ads' ) {
+		return null;
+	}
+
+	return (
+		<Grid>
+			<Row>
+				<Cell
+					alignMiddle
+					size={ 12 }
+					className="googlesitekit-subtle-notification"
+				>
+					<div className="googlesitekit-subtle-notification__icon">
+						<CheckFill width={ 24 } height={ 24 } />
+					</div>
+					<div className="googlesitekit-subtle-notification__content">
+						<p>
+							{ __(
+								'Success! Your Ads conversion ID was added to your site',
+								'google-site-kit'
+							) }
+						</p>
+						<p className="googlesitekit-subtle-notification__secondary_description">
+							{ __(
+								'You can now track conversions for your Ads campaigns.',
+								'google-site-kit'
+							) }
+						</p>
+					</div>
+					<Button tertiary onClick={ onDismiss }>
+						{ __( 'Got it', 'google-site-kit' ) }
+					</Button>
+				</Cell>
+			</Row>
+		</Grid>
+	);
+}
diff --git a/assets/js/components/notifications/SetupSuccessSubtleNotification.stories.js b/assets/js/components/notifications/SetupSuccessSubtleNotification.stories.js
new file mode 100644
index 00000000000..7e2769229f4
--- /dev/null
+++ b/assets/js/components/notifications/SetupSuccessSubtleNotification.stories.js
@@ -0,0 +1,59 @@
+/**
+ * SetupSuccessSubtleNotification Component Stories.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * External dependencies
+ */
+import { withQuery } from '@storybook/addon-queryparams';
+
+/**
+ * Internal dependencies
+ */
+import SetupSuccessSubtleNotification from './SetupSuccessSubtleNotification';
+import { WithTestRegistry } from '../../../../tests/js/utils';
+
+function Template( { ...args } ) {
+	return <SetupSuccessSubtleNotification { ...args } />;
+}
+
+export const Ads = Template.bind( {} );
+Ads.storyName = 'Setup Success - Ads';
+Ads.parameters = {
+	query: {
+		notification: 'authentication_success',
+		slug: 'ads',
+	},
+};
+Ads.scenario = {
+	label: 'Global/SetupSuccessSubtleNotification/Ads',
+};
+
+export default {
+	title: 'Components/SetupSuccessSubtleNotification',
+	component: SetupSuccessSubtleNotification,
+	decorators: [
+		withQuery,
+		( Story, { parameters } ) => {
+			return (
+				<WithTestRegistry features={ parameters.features || [] }>
+					<Story />
+				</WithTestRegistry>
+			);
+		},
+	],
+};
diff --git a/assets/js/components/notifications/SubtleNotifications.js b/assets/js/components/notifications/SubtleNotifications.js
index 752fbfccc21..8ef8aff438e 100644
--- a/assets/js/components/notifications/SubtleNotifications.js
+++ b/assets/js/components/notifications/SubtleNotifications.js
@@ -25,6 +25,7 @@ import { Fragment } from '@wordpress/element';
  * Internal dependencies
  */
 import GA4AdSenseLinkedNotification from './GA4AdSenseLinkedNotification';
+import SetupSuccessSubtleNotification from './SetupSuccessSubtleNotification';
 
 export default function SubtleNotifications() {
 	// Each notification component rendered here has its own logic to determine
@@ -37,6 +38,7 @@ export default function SubtleNotifications() {
 	return (
 		<Fragment>
 			<GA4AdSenseLinkedNotification />
+			<SetupSuccessSubtleNotification />
 		</Fragment>
 	);
 }
diff --git a/assets/js/modules/ads/components/common/AdsConversionIDTextField.js b/assets/js/modules/ads/components/common/AdsConversionIDTextField.js
new file mode 100644
index 00000000000..ae78f08b034
--- /dev/null
+++ b/assets/js/modules/ads/components/common/AdsConversionIDTextField.js
@@ -0,0 +1,97 @@
+/**
+ * Ads Module Ads Conversion ID component.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * External dependencies
+ */
+import classnames from 'classnames';
+
+/**
+ * WordPress dependencies
+ */
+import { useCallback } from '@wordpress/element';
+import { __ } from '@wordpress/i18n';
+
+/**
+ * Internal dependencies
+ */
+import Data from 'googlesitekit-data';
+import { TextField } from 'googlesitekit-components';
+import { MODULES_ADS } from '../../datastore/constants';
+import VisuallyHidden from '../../../../components/VisuallyHidden';
+import { isValidAdsConversionID } from '../../utils/validation';
+import WarningIcon from '../../../../../svg/icons/warning-v2.svg';
+const { useSelect, useDispatch } = Data;
+
+export default function AdsConversionIDTextField() {
+	const adsConversionID = useSelect( ( select ) =>
+		select( MODULES_ADS ).getAdsConversionID()
+	);
+
+	const { setAdsConversionID } = useDispatch( MODULES_ADS );
+	const onChange = useCallback(
+		( { currentTarget } ) => {
+			let newValue = currentTarget.value.trim().toUpperCase();
+			// Automatically add the AW- prefix if not provided.
+			if ( 'AW-'.length < newValue.length && ! /^AW-/.test( newValue ) ) {
+				newValue = `AW-${ newValue }`;
+			}
+
+			if ( newValue !== adsConversionID ) {
+				setAdsConversionID( newValue );
+			}
+		},
+		[ adsConversionID, setAdsConversionID ]
+	);
+
+	const isValidValue = Boolean( isValidAdsConversionID( adsConversionID ) );
+
+	return (
+		<div className="googlesitekit-settings-module__fields-group">
+			<h4 className="googlesitekit-settings-module__fields-group-title">
+				{ __( 'Conversion ID', 'google-site-kit' ) }
+			</h4>
+			<TextField
+				label={ __( 'Ads Conversion ID', 'google-site-kit' ) }
+				className={ classnames( {
+					'mdc-text-field--error': ! isValidValue,
+				} ) }
+				helperText={
+					! isValidValue &&
+					__(
+						'Tracking for your Ads campaigns won’t work until you insert a valid ID',
+						'google-site-kit'
+					)
+				}
+				trailingIcon={
+					! isValidValue && (
+						<span className="googlesitekit-text-field-icon--error">
+							<VisuallyHidden>
+								{ __( 'Error', 'google-site-kit' ) }
+							</VisuallyHidden>
+							<WarningIcon width={ 14 } height={ 12 } />
+						</span>
+					)
+				}
+				outlined
+				value={ adsConversionID }
+				onChange={ onChange }
+			/>
+		</div>
+	);
+}
diff --git a/assets/js/modules/ads/components/common/index.js b/assets/js/modules/ads/components/common/index.js
new file mode 100644
index 00000000000..57e6317aff9
--- /dev/null
+++ b/assets/js/modules/ads/components/common/index.js
@@ -0,0 +1,19 @@
+/**
+ * Ads Common components.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export { default as AdsConversionIDTextField } from './AdsConversionIDTextField';
diff --git a/assets/js/modules/ads/components/setup/SetupForm.js b/assets/js/modules/ads/components/setup/SetupForm.js
new file mode 100644
index 00000000000..59cc460613c
--- /dev/null
+++ b/assets/js/modules/ads/components/setup/SetupForm.js
@@ -0,0 +1,92 @@
+/**
+ * Ads Setup form.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * External dependencies
+ */
+import PropTypes from 'prop-types';
+
+/**
+ * WordPress dependencies
+ */
+import { useCallback } from '@wordpress/element';
+import { __ } from '@wordpress/i18n';
+
+/**
+ * Internal dependencies
+ */
+import Data from 'googlesitekit-data';
+import { SpinnerButton } from 'googlesitekit-components';
+import { MODULES_ADS } from '../../datastore/constants';
+import { CORE_LOCATION } from '../../../../googlesitekit/datastore/location/constants';
+import StoreErrorNotices from '../../../../components/StoreErrorNotices';
+import AdsConversionIDTextField from '../common/AdsConversionIDTextField';
+const { useSelect, useDispatch } = Data;
+
+export default function SetupForm( { finishSetup } ) {
+	const canSubmitChanges = useSelect( ( select ) =>
+		select( MODULES_ADS ).canSubmitChanges()
+	);
+	const isSaving = useSelect(
+		( select ) =>
+			select( MODULES_ADS ).isDoingSubmitChanges() ||
+			select( CORE_LOCATION ).isNavigating()
+	);
+
+	const { submitChanges } = useDispatch( MODULES_ADS );
+
+	const submitForm = useCallback(
+		async ( event ) => {
+			event.preventDefault();
+
+			const { error } = await submitChanges();
+
+			if ( ! error ) {
+				finishSetup();
+			}
+		},
+		[ finishSetup, submitChanges ]
+	);
+
+	return (
+		<form className="googlesitekit-ads-setup__form" onSubmit={ submitForm }>
+			<StoreErrorNotices moduleSlug="ads" storeName={ MODULES_ADS } />
+
+			<div className="googlesitekit-setup-module__inputs">
+				<AdsConversionIDTextField />
+			</div>
+
+			<div className="googlesitekit-setup-module__action">
+				<SpinnerButton
+					disabled={ ! canSubmitChanges || isSaving }
+					isSaving={ isSaving }
+				>
+					{ __( 'Complete setup', 'google-site-kit' ) }
+				</SpinnerButton>
+			</div>
+		</form>
+	);
+}
+
+SetupForm.propTypes = {
+	finishSetup: PropTypes.func,
+};
+
+SetupForm.defaultProps = {
+	finishSetup: () => {},
+};
diff --git a/assets/js/modules/ads/components/setup/SetupForm.stories.js b/assets/js/modules/ads/components/setup/SetupForm.stories.js
new file mode 100644
index 00000000000..89753e484de
--- /dev/null
+++ b/assets/js/modules/ads/components/setup/SetupForm.stories.js
@@ -0,0 +1,74 @@
+/**
+ * SetupForm component stories.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Internal dependencies
+ */
+import { MODULES_ADS } from '../../datastore/constants';
+import {
+	provideModuleRegistrations,
+	provideSiteInfo,
+	provideModules,
+} from '../../../../../../tests/js/utils';
+import ModuleSetup from '../../../../components/setup/ModuleSetup';
+import WithRegistrySetup from '../../../../../../tests/js/WithRegistrySetup';
+
+function Template() {
+	return <ModuleSetup moduleSlug="ads" />;
+}
+
+export const Default = Template.bind( null );
+Default.storyName = 'Default';
+Default.scenario = {
+	label: 'Modules/Ads/Setup/SetupForm/Default',
+	delay: 250,
+};
+
+export default {
+	title: 'Modules/Ads/Setup/SetupForm',
+	decorators: [
+		( Story ) => {
+			const setupRegistry = ( registry ) => {
+				provideModules( registry, [
+					{
+						slug: 'ads',
+						active: true,
+						connected: true,
+					},
+				] );
+
+				provideSiteInfo( registry );
+				provideModuleRegistrations( registry );
+
+				registry
+					.dispatch( MODULES_ADS )
+					.setSettings( { adsConversionID: 'AW-123456789' } );
+			};
+
+			return (
+				<WithRegistrySetup func={ setupRegistry }>
+					<Story />
+				</WithRegistrySetup>
+			);
+		},
+	],
+	parameters: {
+		features: [ 'adsModule' ],
+		padding: 0,
+	},
+};
diff --git a/assets/js/modules/ads/components/setup/SetupMain.js b/assets/js/modules/ads/components/setup/SetupMain.js
new file mode 100644
index 00000000000..065976b4c60
--- /dev/null
+++ b/assets/js/modules/ads/components/setup/SetupMain.js
@@ -0,0 +1,69 @@
+/**
+ * Ads Main setup component.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * External dependencies
+ */
+import PropTypes from 'prop-types';
+
+/**
+ * WordPress dependencies
+ */
+import { __, _x } from '@wordpress/i18n';
+
+/**
+ * Internal dependencies
+ */
+import AdsIcon from '../../../../../svg/graphics/ads.svg';
+import SetupForm from './SetupForm';
+
+export default function SetupMain( { finishSetup } ) {
+	return (
+		<div className="googlesitekit-setup-module googlesitekit-setup-module--ads">
+			<div className="googlesitekit-setup-module__logo">
+				<AdsIcon width="33" height="33" />
+			</div>
+
+			<h2 className="googlesitekit-heading-3 googlesitekit-setup-module__title">
+				{ _x( 'Ads', 'Service name', 'google-site-kit' ) }
+			</h2>
+
+			<div className="googlesitekit-setup-module__description">
+				{ __(
+					'Ad your conversion ID below. Site Kit will place it on your site so you can track the performance of your Google Ads campaigns.',
+					'google-site-kit'
+				) }
+				<br />
+				{ __(
+					'You can always change this later in Site Kit Settings.',
+					'google-site-kit'
+				) }
+			</div>
+
+			<SetupForm finishSetup={ finishSetup } />
+		</div>
+	);
+}
+
+SetupMain.propTypes = {
+	finishSetup: PropTypes.func,
+};
+
+SetupMain.defaultProps = {
+	finishSetup: () => {},
+};
diff --git a/assets/js/modules/ads/components/setup/index.js b/assets/js/modules/ads/components/setup/index.js
new file mode 100644
index 00000000000..d1bf25e1bc9
--- /dev/null
+++ b/assets/js/modules/ads/components/setup/index.js
@@ -0,0 +1,20 @@
+/**
+ * Ads Setup components.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export { default as SetupForm } from './SetupForm';
+export { default as SetupMain } from './SetupMain';
diff --git a/assets/js/modules/ads/datastore/base.js b/assets/js/modules/ads/datastore/base.js
index 324b115f221..0cb0b85b9d8 100644
--- a/assets/js/modules/ads/datastore/base.js
+++ b/assets/js/modules/ads/datastore/base.js
@@ -26,8 +26,8 @@ import { submitChanges, validateCanSubmitChanges } from './settings';
 const baseModuleStore = Modules.createModuleStore( 'ads', {
 	ownedSettingsSlugs: [ 'adsConversionID' ],
 	storeName: MODULES_ADS,
-	settingSlugs: [ 'adsConversionID' ],
-	requiresSetup: false,
+	settingSlugs: [ 'adsConversionID', 'ownerID' ],
+	requiresSetup: true,
 	submitChanges,
 	validateCanSubmitChanges,
 } );
diff --git a/assets/js/modules/ads/index.js b/assets/js/modules/ads/index.js
index 7013e87d396..05e4d8bf37b 100644
--- a/assets/js/modules/ads/index.js
+++ b/assets/js/modules/ads/index.js
@@ -16,12 +16,18 @@
  * limitations under the License.
  */
 
+/**
+ * WordPress dependencies
+ */
+import { __ } from '@wordpress/i18n';
+
 /**
  * Internal dependencies
  */
 import AdsIcon from '../../../svg/graphics/ads.svg';
 import { isFeatureEnabled } from '../../features';
 import { SettingsEdit, SettingsView } from './components/settings';
+import SetupMain from './components/setup/SetupMain';
 import { MODULES_ADS } from './datastore/constants';
 
 export { registerStore } from './datastore';
@@ -32,7 +38,18 @@ export const registerModule = ( modules ) => {
 			storeName: MODULES_ADS,
 			SettingsEditComponent: SettingsEdit,
 			SettingsViewComponent: SettingsView,
+			SetupComponent: SetupMain,
 			Icon: AdsIcon,
+			features: [
+				__(
+					'Tagging necessary for your ads campaigns to work',
+					'google-site-kit'
+				),
+				__(
+					'Conversion tracking for your ads campaigns',
+					'google-site-kit'
+				),
+			],
 		} );
 	}
 };
diff --git a/assets/js/modules/ads/utils/validation.js b/assets/js/modules/ads/utils/validation.js
new file mode 100644
index 00000000000..63cdeab44ed
--- /dev/null
+++ b/assets/js/modules/ads/utils/validation.js
@@ -0,0 +1,31 @@
+/**
+ * Validation utilities.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Checks if the given ads conversion ID is valid.
+ *
+ * @since 1.32.0
+ * @since 1.121.0 Migrated from analytics to analytics-4.
+ * @since n.e.x.t Migrated from analytics-4 to ads.
+ *
+ * @param {*} value Conversion ID to test.
+ * @return {boolean} Whether or not the given ID is valid.
+ */
+export function isValidAdsConversionID( value ) {
+	return typeof value === 'string' && /^AW-[0-9]+$/.test( value );
+}
diff --git a/assets/js/modules/ads/utils/validation.test.js b/assets/js/modules/ads/utils/validation.test.js
new file mode 100644
index 00000000000..9705f870976
--- /dev/null
+++ b/assets/js/modules/ads/utils/validation.test.js
@@ -0,0 +1,48 @@
+/**
+ * Validation function tests.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Internal dependencies
+ */
+import { isValidAdsConversionID } from './validation';
+
+describe( 'modules/ads validations', () => {
+	describe( 'isValidAdsConversionID', () => {
+		it( 'should return TRUE when a valid AdsConversionID is passed', () => {
+			expect( isValidAdsConversionID( 'AW-123456789' ) ).toBe( true );
+		} );
+
+		it.each( [
+			[ 'false', false ],
+			[ 'an integer', 12345 ],
+			[ 'an empty string', '' ],
+			[ 'a string not starting with AW', 'AB-123456789' ],
+			[
+				'a string starts with AW but ends without numbers',
+				'AW-ABCDEFGHI',
+			],
+		] )(
+			'should return FALSE when %s is passed',
+			( _, adsConversionID ) => {
+				expect( isValidAdsConversionID( adsConversionID ) ).toBe(
+					false
+				);
+			}
+		);
+	} );
+} );
diff --git a/assets/js/modules/analytics-4/components/common/AdsConversionIDTextField.js b/assets/js/modules/analytics-4/components/common/AdsConversionIDTextField.js
index 9e190a6d3ee..77f47fca33b 100644
--- a/assets/js/modules/analytics-4/components/common/AdsConversionIDTextField.js
+++ b/assets/js/modules/analytics-4/components/common/AdsConversionIDTextField.js
@@ -34,8 +34,8 @@ import Data from 'googlesitekit-data';
 import { TextField } from 'googlesitekit-components';
 import { MODULES_ANALYTICS_4 } from '../../datastore/constants';
 import VisuallyHidden from '../../../../components/VisuallyHidden';
-import { isValidAdsConversionID } from '../../utils/validation';
 import WarningIcon from '../../../../../svg/icons/warning-v2.svg';
+import { isValidAdsConversionID } from '../../../ads/utils/validation';
 const { useSelect, useDispatch } = Data;
 
 export default function AdsConversionIDTextField() {
diff --git a/assets/js/modules/analytics-4/utils/validation.js b/assets/js/modules/analytics-4/utils/validation.js
index 06791d56430..7554248cfff 100644
--- a/assets/js/modules/analytics-4/utils/validation.js
+++ b/assets/js/modules/analytics-4/utils/validation.js
@@ -171,18 +171,6 @@ export function isValidGoogleTagContainerID( googleTagContainerID ) {
 	return isValidNumericID( googleTagContainerID );
 }
 
-/** Checks if the given ads conversion ID is valid.
- *
- * @since 1.32.0
- * @since 1.121.0 Migrated from analytics to analytics-4.
- *
- * @param {*} value Conversion ID to test.
- * @return {boolean} Whether or not the given ID is valid.
- */
-export function isValidAdsConversionID( value ) {
-	return typeof value === 'string' && /^AW-[0-9]+$/.test( value );
-}
-
 /**
  * Checks whether the passed audience object is valid.
  *
diff --git a/assets/js/modules/analytics-4/utils/validation.test.js b/assets/js/modules/analytics-4/utils/validation.test.js
index 4597f0d3680..dcff41a8ea2 100644
--- a/assets/js/modules/analytics-4/utils/validation.test.js
+++ b/assets/js/modules/analytics-4/utils/validation.test.js
@@ -21,7 +21,6 @@
  */
 import { WEBDATASTREAM_CREATE } from '../datastore/constants';
 import {
-	isValidAdsConversionID,
 	isValidGoogleTagAccountID,
 	isValidGoogleTagContainerID,
 	isValidGoogleTagID,
@@ -116,28 +115,4 @@ describe( 'modules/analytics-4 validations', () => {
 			expect( isValidGoogleTagContainerID( 'X' ) ).toBe( false );
 		} );
 	} );
-
-	describe( 'isValidAdsConversionID', () => {
-		it( 'should return TRUE when a valid AdsConversionID is passed', () => {
-			expect( isValidAdsConversionID( 'AW-123456789' ) ).toBe( true );
-		} );
-
-		it.each( [
-			[ 'false', false ],
-			[ 'an integer', 12345 ],
-			[ 'an empty string', '' ],
-			[ 'a string not starting with AW', 'AB-123456789' ],
-			[
-				'a string starts with AW but ends without numbers',
-				'AW-ABCDEFGHI',
-			],
-		] )(
-			'should return FALSE when %s is passed',
-			( _, adsConversionID ) => {
-				expect( isValidAdsConversionID( adsConversionID ) ).toBe(
-					false
-				);
-			}
-		);
-	} );
 } );
diff --git a/assets/sass/admin.scss b/assets/sass/admin.scss
index 1b4b61aef9d..76fa0c050e8 100644
--- a/assets/sass/admin.scss
+++ b/assets/sass/admin.scss
@@ -196,6 +196,7 @@
 @import "components/feature-tours/googlesitekit-dashboard-sharing";
 
 // Modules
+@import "components/ads";
 @import "components/adsense";
 @import "components/analytics-4";
 
diff --git a/assets/sass/components/ads/_googlesitekit-ads-setup-module.scss b/assets/sass/components/ads/_googlesitekit-ads-setup-module.scss
new file mode 100644
index 00000000000..3ed6b04ab71
--- /dev/null
+++ b/assets/sass/components/ads/_googlesitekit-ads-setup-module.scss
@@ -0,0 +1,40 @@
+/**
+ * Ads Setup styles.
+ *
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+.googlesitekit-plugin {
+
+	.googlesitekit-setup-module--ads {
+
+		.googlesitekit-settings-module__fields-group-title {
+			font-size: $fs-body-md;
+			font-weight: $fw-medium;
+		}
+
+		.googlesitekit-setup-module__description {
+			margin-top: 30px;
+		}
+
+		.googlesitekit-setup-module__inputs > .googlesitekit-settings-module__fields-group {
+			margin: 0;
+		}
+
+		.googlesitekit-setup-module__action {
+			margin-bottom: 32px;
+		}
+	}
+}
diff --git a/assets/sass/components/ads/_index.scss b/assets/sass/components/ads/_index.scss
new file mode 100644
index 00000000000..27700901574
--- /dev/null
+++ b/assets/sass/components/ads/_index.scss
@@ -0,0 +1,17 @@
+/**
+ * Site Kit by Google, Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@import "googlesitekit-ads-setup-module";
diff --git a/assets/sass/components/dashboard/_googlesitekit-subtle-notification.scss b/assets/sass/components/dashboard/_googlesitekit-subtle-notification.scss
index 309faf625e3..c9fe32aa17a 100644
--- a/assets/sass/components/dashboard/_googlesitekit-subtle-notification.scss
+++ b/assets/sass/components/dashboard/_googlesitekit-subtle-notification.scss
@@ -66,4 +66,8 @@
 			margin: 0;
 		}
 	}
+
+	p.googlesitekit-subtle-notification__secondary_description {
+		font-weight: $fw-normal;
+	}
 }
diff --git a/tests/backstop/reference/google-site-kit_Global_SetupSuccessSubtleNotification_Ads_0_document_0_small.png b/tests/backstop/reference/google-site-kit_Global_SetupSuccessSubtleNotification_Ads_0_document_0_small.png
new file mode 100644
index 00000000000..a5009ec3b46
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diff --git a/tests/backstop/reference/google-site-kit_Global_SetupSuccessSubtleNotification_Ads_0_document_1_medium.png b/tests/backstop/reference/google-site-kit_Global_SetupSuccessSubtleNotification_Ads_0_document_1_medium.png
new file mode 100644
index 00000000000..32b89d8fc65
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diff --git a/tests/backstop/reference/google-site-kit_Global_SetupSuccessSubtleNotification_Ads_0_document_2_large.png b/tests/backstop/reference/google-site-kit_Global_SetupSuccessSubtleNotification_Ads_0_document_2_large.png
new file mode 100644
index 00000000000..4d64cd8c341
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diff --git a/tests/backstop/reference/google-site-kit_Modules_Ads_Setup_SetupForm_Default_0_document_0_small.png b/tests/backstop/reference/google-site-kit_Modules_Ads_Setup_SetupForm_Default_0_document_0_small.png
new file mode 100644
index 00000000000..7e52f802915
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diff --git a/tests/backstop/reference/google-site-kit_Modules_Ads_Setup_SetupForm_Default_0_document_1_medium.png b/tests/backstop/reference/google-site-kit_Modules_Ads_Setup_SetupForm_Default_0_document_1_medium.png
new file mode 100644
index 00000000000..fad63954a5f
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index 00000000000..5f1aeb6241e
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