diff --git a/browser/brave_profile_prefs.cc b/browser/brave_profile_prefs.cc
index 1ffb3db9510e..4c57171bfea2 100644
--- a/browser/brave_profile_prefs.cc
+++ b/browser/brave_profile_prefs.cc
@@ -7,10 +7,9 @@
 
 #include <string>
 
-#include "brave/browser/new_tab/new_tab_shows_options.h"
-
 #include "brave/browser/brave_shields/brave_shields_web_contents_observer.h"
 #include "brave/browser/ethereum_remote_client/buildflags/buildflags.h"
+#include "brave/browser/new_tab/new_tab_shows_options.h"
 #include "brave/browser/search/ntp_utils.h"
 #include "brave/browser/themes/brave_dark_mode_utils.h"
 #include "brave/browser/translate/brave_translate_prefs_migration.h"
@@ -23,6 +22,8 @@
 #include "brave/components/brave_news/browser/brave_news_controller.h"
 #include "brave/components/brave_news/browser/brave_news_p3a.h"
 #include "brave/components/brave_news/browser/brave_news_pref_manager.h"
+#include "brave/components/brave_news/common/p3a_pref_names.h"
+#include "brave/components/brave_news/common/pref_names.h"
 #include "brave/components/brave_perf_predictor/browser/p3a_bandwidth_savings_tracker.h"
 #include "brave/components/brave_perf_predictor/browser/perf_predictor_tab_helper.h"
 #include "brave/components/brave_rewards/common/pref_names.h"
@@ -188,7 +189,7 @@ void RegisterProfilePrefsForMigration(
 
   brave_rewards::RegisterProfilePrefsForMigration(registry);
 
-  brave_news::p3a::NewsMetrics::RegisterProfilePrefsForMigration(registry);
+  brave_news::p3a::prefs::RegisterProfileNewsMetricsPrefsForMigration(registry);
 
   // Added May 2023
 #if defined(TOOLKIT_VIEWS)
@@ -234,7 +235,7 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
 
   brave_shields::RegisterShieldsP3AProfilePrefs(registry);
 
-  brave_news::BraveNewsPrefManager::RegisterProfilePrefs(registry);
+  brave_news::prefs::RegisterProfilePrefs(registry);
 
   // TODO(shong): Migrate this to local state also and guard in ENABLE_WIDEVINE.
   // We don't need to display "don't ask widevine prompt option" in settings
diff --git a/chromium_src/chrome/browser/prefs/browser_prefs.cc b/chromium_src/chrome/browser/prefs/browser_prefs.cc
index 9fcdd8ce7843..ae4a164dfbd8 100644
--- a/chromium_src/chrome/browser/prefs/browser_prefs.cc
+++ b/chromium_src/chrome/browser/prefs/browser_prefs.cc
@@ -14,6 +14,8 @@
 #include "brave/components/ai_chat/core/common/buildflags/buildflags.h"
 #include "brave/components/brave_ads/core/public/prefs/obsolete_pref_util.h"
 #include "brave/components/brave_news/browser/brave_news_p3a.h"
+#include "brave/components/brave_news/common/p3a_pref_names.h"
+#include "brave/components/brave_news/common/pref_names.h"
 #include "brave/components/brave_search_conversion/p3a.h"
 #include "brave/components/brave_shields/content/browser/brave_shields_p3a.h"
 #include "brave/components/brave_sync/brave_sync_prefs.h"
@@ -163,7 +165,7 @@ void MigrateObsoleteProfilePrefs(PrefService* profile_prefs,
   profile_prefs->ClearPref(sidebar::kSidebarAlignmentChangedTemporarily);
 #endif
 
-  brave_news::p3a::NewsMetrics::MigrateObsoleteProfilePrefs(profile_prefs);
+  brave_news::p3a::prefs::MigrateObsoleteProfileNewsMetricsPrefs(profile_prefs);
 
   // Added 2023-09
   ntp_background_images::ViewCounterService::MigrateObsoleteProfilePrefs(
diff --git a/chromium_src/ios/chrome/browser/shared/model/prefs/BUILD.gn b/chromium_src/ios/chrome/browser/shared/model/prefs/BUILD.gn
index 49e76904d037..a356e8d8cb4d 100644
--- a/chromium_src/ios/chrome/browser/shared/model/prefs/BUILD.gn
+++ b/chromium_src/ios/chrome/browser/shared/model/prefs/BUILD.gn
@@ -8,6 +8,7 @@ import("//brave/components/ipfs/buildflags/buildflags.gni")
 group("prefs") {
   deps = [
     "//brave/components/brave_ads/core",
+    "//brave/components/brave_news/common",
     "//brave/components/brave_rewards/common",
     "//brave/components/brave_shields/core/common",
     "//brave/components/brave_sync:prefs",
diff --git a/chromium_src/ios/chrome/browser/shared/model/prefs/DEPS b/chromium_src/ios/chrome/browser/shared/model/prefs/DEPS
index 5fc56216bcd6..37a2534bd9d0 100644
--- a/chromium_src/ios/chrome/browser/shared/model/prefs/DEPS
+++ b/chromium_src/ios/chrome/browser/shared/model/prefs/DEPS
@@ -1,5 +1,6 @@
 include_rules = [
   "+brave/components/brave_ads/core/public",
+  "+brave/components/brave_news/common",
   "+brave/components/brave_rewards/common",
   "+brave/components/brave_sync",
   "+brave/components/brave_wallet/browser",
diff --git a/chromium_src/ios/chrome/browser/shared/model/prefs/browser_prefs.mm b/chromium_src/ios/chrome/browser/shared/model/prefs/browser_prefs.mm
index bee757066264..63ec56cfd234 100644
--- a/chromium_src/ios/chrome/browser/shared/model/prefs/browser_prefs.mm
+++ b/chromium_src/ios/chrome/browser/shared/model/prefs/browser_prefs.mm
@@ -6,6 +6,7 @@
 #include "brave/components/ai_chat/core/browser/ai_chat_metrics.h"
 #include "brave/components/ai_chat/core/common/pref_names.h"
 #include "brave/components/brave_ads/core/public/prefs/pref_registry.h"
+#include "brave/components/brave_news/common/pref_names.h"
 #include "brave/components/brave_rewards/common/pref_registry.h"
 #include "brave/components/brave_shields/core/common/pref_names.h"
 #include "brave/components/brave_sync/brave_sync_prefs.h"
@@ -42,6 +43,7 @@ void BraveRegisterBrowserStatePrefs(
   ipfs::IpfsService::RegisterProfilePrefs(registry);
 #endif
   ai_chat::prefs::RegisterProfilePrefs(registry);
+  brave_news::prefs::RegisterProfilePrefs(registry);
 }
 
 void BraveRegisterLocalStatePrefs(PrefRegistrySimple* registry) {
diff --git a/components/brave_news/browser/BUILD.gn b/components/brave_news/browser/BUILD.gn
index 23fc955ac3b4..220eeb80fb71 100644
--- a/components/brave_news/browser/BUILD.gn
+++ b/components/brave_news/browser/BUILD.gn
@@ -40,8 +40,6 @@ static_library("browser") {
     "html_parsing.h",
     "initialization_promise.cc",
     "initialization_promise.h",
-    "locales_helper.cc",
-    "locales_helper.h",
     "network.cc",
     "network.h",
     "publishers_controller.cc",
diff --git a/components/brave_news/browser/brave_news_controller.cc b/components/brave_news/browser/brave_news_controller.cc
index 56c53b04a144..cbececfcc20e 100644
--- a/components/brave_news/browser/brave_news_controller.cc
+++ b/components/brave_news/browser/brave_news_controller.cc
@@ -33,7 +33,6 @@
 #include "brave/components/brave_news/browser/channels_controller.h"
 #include "brave/components/brave_news/browser/direct_feed_controller.h"
 #include "brave/components/brave_news/browser/feed_v2_builder.h"
-#include "brave/components/brave_news/browser/locales_helper.h"
 #include "brave/components/brave_news/browser/network.h"
 #include "brave/components/brave_news/browser/publishers_controller.h"
 #include "brave/components/brave_news/browser/publishers_parsing.h"
@@ -41,6 +40,7 @@
 #include "brave/components/brave_news/browser/topics_fetcher.h"
 #include "brave/components/brave_news/common/brave_news.mojom.h"
 #include "brave/components/brave_news/common/features.h"
+#include "brave/components/brave_news/common/locales_helper.h"
 #include "brave/components/brave_private_cdn/private_cdn_helper.h"
 #include "brave/components/brave_private_cdn/private_cdn_request_helper.h"
 #include "components/favicon/core/favicon_service.h"
diff --git a/components/brave_news/browser/brave_news_p3a.cc b/components/brave_news/browser/brave_news_p3a.cc
index b023af28b698..2c56e8fee53c 100644
--- a/components/brave_news/browser/brave_news_p3a.cc
+++ b/components/brave_news/browser/brave_news_p3a.cc
@@ -12,12 +12,11 @@
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "brave/components/brave_news/browser/brave_news_pref_manager.h"
-#include "brave/components/brave_news/common/pref_names.h"
+#include "brave/components/brave_news/common/p3a_pref_names.h"
 #include "brave/components/brave_rewards/common/pref_names.h"
 #include "brave/components/p3a_utils/bucket.h"
 #include "brave/components/p3a_utils/feature_usage.h"
 #include "brave/components/time_period_storage/weekly_storage.h"
-#include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 
 namespace brave_news::p3a {
@@ -308,30 +307,6 @@ void NewsMetrics::RecordWeeklySessionCount(bool is_add) {
                                      total_session_count);
 }
 
-void NewsMetrics::RegisterProfilePrefs(PrefRegistrySimple* registry) {
-  registry->RegisterListPref(prefs::kBraveNewsWeeklySessionCount);
-  registry->RegisterListPref(prefs::kBraveNewsWeeklyDisplayAdViewedCount);
-  registry->RegisterListPref(prefs::kBraveNewsWeeklyAddedDirectFeedsCount);
-  registry->RegisterListPref(prefs::kBraveNewsTotalCardViews);
-  registry->RegisterListPref(prefs::kBraveNewsTotalCardVisits);
-  registry->RegisterListPref(prefs::kBraveNewsVisitDepthSum);
-  registry->RegisterListPref(prefs::kBraveNewsTotalSidebarFilterUsages);
-  p3a_utils::RegisterFeatureUsagePrefs(
-      registry, prefs::kBraveNewsFirstSessionTime,
-      prefs::kBraveNewsLastSessionTime, prefs::kBraveNewsUsedSecondDay, nullptr,
-      nullptr);
-  registry->RegisterBooleanPref(prefs::kBraveNewsWasEverEnabled, false);
-}
-
-void NewsMetrics::RegisterProfilePrefsForMigration(
-    PrefRegistrySimple* registry) {
-  // Reserved for future deprecated P3A-related prefs
-}
-
-void NewsMetrics::MigrateObsoleteProfilePrefs(PrefService* prefs) {
-  // Reserved for future deprecated P3A-related prefs
-}
-
 void NewsMetrics::OnConfigChanged() {
   DVLOG(1) << __FUNCTION__;
   if (was_enabled_ == pref_manager_->IsEnabled()) {
diff --git a/components/brave_news/browser/brave_news_p3a.h b/components/brave_news/browser/brave_news_p3a.h
index 367f388760d1..9430f98c620f 100644
--- a/components/brave_news/browser/brave_news_p3a.h
+++ b/components/brave_news/browser/brave_news_p3a.h
@@ -12,7 +12,6 @@
 #include "base/timer/wall_clock_timer.h"
 #include "brave/components/brave_news/browser/brave_news_pref_manager.h"
 
-class PrefRegistrySimple;
 class PrefService;
 
 namespace brave_news::p3a {
@@ -59,10 +58,6 @@ class NewsMetrics : public BraveNewsPrefManager::PrefObserver {
   NewsMetrics(const NewsMetrics&) = delete;
   NewsMetrics& operator=(const NewsMetrics&) = delete;
 
-  static void RegisterProfilePrefs(PrefRegistrySimple* registry);
-  static void RegisterProfilePrefsForMigration(PrefRegistrySimple* registry);
-  static void MigrateObsoleteProfilePrefs(PrefService* prefs);
-
   void RecordAtInit();
   void RecordAtSessionStart();
 
diff --git a/components/brave_news/browser/brave_news_p3a_unittest.cc b/components/brave_news/browser/brave_news_p3a_unittest.cc
index 1a694ebbe469..2835cea448a8 100644
--- a/components/brave_news/browser/brave_news_p3a_unittest.cc
+++ b/components/brave_news/browser/brave_news_p3a_unittest.cc
@@ -10,9 +10,11 @@
 #include "base/test/metrics/histogram_tester.h"
 #include "brave/components/brave_news/browser/brave_news_controller.h"
 #include "brave/components/brave_news/browser/brave_news_pref_manager.h"
+#include "brave/components/brave_news/common/p3a_pref_names.h"
 #include "brave/components/brave_news/common/pref_names.h"
 #include "brave/components/brave_rewards/common/pref_names.h"
 #include "brave/components/time_period_storage/weekly_storage.h"
+#include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/scoped_user_pref_update.h"
 #include "components/prefs/testing_pref_service.h"
 #include "content/public/test/browser_task_environment.h"
@@ -29,7 +31,7 @@ class BraveNewsP3ATest : public testing::Test {
   void SetUp() override {
     task_environment_.AdvanceClock(base::Days(2));
     PrefRegistrySimple* registry = pref_service_.registry();
-    BraveNewsPrefManager::RegisterProfilePrefs(registry);
+    ::brave_news::prefs::RegisterProfilePrefs(registry);
     registry->RegisterBooleanPref(brave_rewards::prefs::kEnabled, false);
 
     pref_manager_ = std::make_unique<BraveNewsPrefManager>(pref_service_);
@@ -343,14 +345,14 @@ TEST_F(BraveNewsP3ATest, TestIsEnabled) {
   PrefService* prefs = GetPrefs();
 
   // should not record "disabled" if never opted in
-  prefs->SetBoolean(prefs::kNewTabPageShowToday, false);
+  prefs->SetBoolean(::brave_news::prefs::kNewTabPageShowToday, false);
   histogram_tester_.ExpectTotalCount(kIsEnabledHistogramName, 0);
 
-  prefs->SetBoolean(prefs::kBraveNewsOptedIn, true);
-  prefs->SetBoolean(prefs::kNewTabPageShowToday, true);
+  prefs->SetBoolean(::brave_news::prefs::kBraveNewsOptedIn, true);
+  prefs->SetBoolean(::brave_news::prefs::kNewTabPageShowToday, true);
   histogram_tester_.ExpectUniqueSample(kIsEnabledHistogramName, 1, 1);
 
-  prefs->SetBoolean(prefs::kNewTabPageShowToday, false);
+  prefs->SetBoolean(::brave_news::prefs::kNewTabPageShowToday, false);
   histogram_tester_.ExpectBucketCount(kIsEnabledHistogramName, 0, 1);
 }
 
diff --git a/components/brave_news/browser/brave_news_pref_manager.cc b/components/brave_news/browser/brave_news_pref_manager.cc
index ac9a630203ff..7435aaed22a3 100644
--- a/components/brave_news/browser/brave_news_pref_manager.cc
+++ b/components/brave_news/browser/brave_news_pref_manager.cc
@@ -19,12 +19,10 @@
 #include "base/uuid.h"
 #include "brave/components/brave_news/browser/brave_news_p3a.h"
 #include "brave/components/brave_news/browser/channel_migrator.h"
-#include "brave/components/brave_news/browser/locales_helper.h"
 #include "brave/components/brave_news/common/brave_news.mojom.h"
 #include "brave/components/brave_news/common/pref_names.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/prefs/pref_observer.h"
-#include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/prefs/scoped_user_pref_update.h"
 
@@ -154,20 +152,6 @@ SubscriptionsDiff BraveNewsSubscriptions::DiffChannels(
   return result;
 }
 
-// static
-void BraveNewsPrefManager::RegisterProfilePrefs(PrefRegistrySimple* registry) {
-  registry->RegisterBooleanPref(prefs::kShouldShowToolbarButton, true);
-  registry->RegisterBooleanPref(prefs::kNewTabPageShowToday,
-                                IsUserInDefaultEnabledLocale());
-  registry->RegisterBooleanPref(prefs::kBraveNewsOptedIn, false);
-  registry->RegisterDictionaryPref(prefs::kBraveNewsSources);
-  registry->RegisterDictionaryPref(prefs::kBraveNewsChannels);
-  registry->RegisterDictionaryPref(prefs::kBraveNewsDirectFeeds);
-  registry->RegisterBooleanPref(prefs::kBraveNewsOpenArticlesInNewTab, true);
-
-  p3a::NewsMetrics::RegisterProfilePrefs(registry);
-}
-
 BraveNewsPrefManager::BraveNewsPrefManager(PrefService& prefs) : prefs_(prefs) {
   pref_change_registrar_.Init(&*prefs_);
   pref_change_registrar_.Add(
diff --git a/components/brave_news/browser/brave_news_pref_manager.h b/components/brave_news/browser/brave_news_pref_manager.h
index 3bdd14fcd2b0..289927a7140f 100644
--- a/components/brave_news/browser/brave_news_pref_manager.h
+++ b/components/brave_news/browser/brave_news_pref_manager.h
@@ -16,7 +16,6 @@
 #include "brave/components/brave_news/common/brave_news.mojom-forward.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/prefs/pref_observer.h"
-#include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "url/gurl.h"
 
@@ -91,8 +90,6 @@ class BraveNewsPrefManager {
     virtual void OnChannelsChanged() {}
   };
 
-  static void RegisterProfilePrefs(PrefRegistrySimple* registry);
-
   explicit BraveNewsPrefManager(PrefService& prefs);
   ~BraveNewsPrefManager();
 
diff --git a/components/brave_news/browser/feed_fetcher.cc b/components/brave_news/browser/feed_fetcher.cc
index c87c157b7cd1..ca383ded5969 100644
--- a/components/brave_news/browser/feed_fetcher.cc
+++ b/components/brave_news/browser/feed_fetcher.cc
@@ -26,12 +26,12 @@
 #include "brave/components/brave_news/browser/combined_feed_parsing.h"
 #include "brave/components/brave_news/browser/direct_feed_fetcher.h"
 #include "brave/components/brave_news/browser/feed_controller.h"
-#include "brave/components/brave_news/browser/locales_helper.h"
 #include "brave/components/brave_news/browser/network.h"
 #include "brave/components/brave_news/browser/publishers_controller.h"
 #include "brave/components/brave_news/browser/urls.h"
 #include "brave/components/brave_news/common/brave_news.mojom-forward.h"
 #include "brave/components/brave_news/common/brave_news.mojom-shared.h"
+#include "brave/components/brave_news/common/locales_helper.h"
 #include "brave/components/brave_private_cdn/headers.h"
 #include "services/network/public/cpp/shared_url_loader_factory.h"
 
diff --git a/components/brave_news/browser/publishers_controller.cc b/components/brave_news/browser/publishers_controller.cc
index 6ab682e83c17..be5925adcf91 100644
--- a/components/brave_news/browser/publishers_controller.cc
+++ b/components/brave_news/browser/publishers_controller.cc
@@ -21,7 +21,6 @@
 #include "base/strings/strcat.h"
 #include "brave/components/api_request_helper/api_request_helper.h"
 #include "brave/components/brave_news/browser/brave_news_pref_manager.h"
-#include "brave/components/brave_news/browser/locales_helper.h"
 #include "brave/components/brave_news/browser/network.h"
 #include "brave/components/brave_news/browser/publishers_parsing.h"
 #include "brave/components/brave_news/browser/urls.h"
diff --git a/components/brave_news/browser/publishers_controller.h b/components/brave_news/browser/publishers_controller.h
index 455cbc06696f..ebdfbea0c996 100644
--- a/components/brave_news/browser/publishers_controller.h
+++ b/components/brave_news/browser/publishers_controller.h
@@ -14,11 +14,11 @@
 #include "brave/components/api_request_helper/api_request_helper.h"
 #include "brave/components/brave_news/browser/brave_news_pref_manager.h"
 #include "brave/components/brave_news/common/brave_news.mojom.h"
+#include "brave/components/brave_news/common/locales_helper.h"
 
 namespace brave_news {
 
 using GetPublishersCallback = mojom::BraveNewsController::GetPublishersCallback;
-using Publishers = base::flat_map<std::string, mojom::PublisherPtr>;
 
 class PublishersController {
  public:
diff --git a/components/brave_news/browser/publishers_parsing.h b/components/brave_news/browser/publishers_parsing.h
index 142242b93c5f..683c485ff833 100644
--- a/components/brave_news/browser/publishers_parsing.h
+++ b/components/brave_news/browser/publishers_parsing.h
@@ -11,8 +11,8 @@
 
 #include "base/values.h"
 #include "brave/components/brave_news/browser/brave_news_pref_manager.h"
-#include "brave/components/brave_news/browser/publishers_controller.h"
 #include "brave/components/brave_news/common/brave_news.mojom-forward.h"
+#include "brave/components/brave_news/common/locales_helper.h"
 
 namespace brave_news {
 
diff --git a/components/brave_news/browser/publishers_parsing_unittest.cc b/components/brave_news/browser/publishers_parsing_unittest.cc
index bacf0dbd83bc..efb4fae55276 100644
--- a/components/brave_news/browser/publishers_parsing_unittest.cc
+++ b/components/brave_news/browser/publishers_parsing_unittest.cc
@@ -5,14 +5,12 @@
 
 #include "brave/components/brave_news/browser/publishers_parsing.h"
 
-#include <memory>
 #include <optional>
-#include <utility>
-#include <vector>
+#include <string>
 
 #include "base/containers/flat_map.h"
 #include "base/test/values_test_util.h"
-#include "brave/components/brave_news/common/brave_news.mojom-forward.h"
+#include "brave/components/brave_news/common/brave_news.mojom.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace brave_news {
diff --git a/components/brave_news/browser/test/BUILD.gn b/components/brave_news/browser/test/BUILD.gn
index a9d5148ae4fa..e717468dc919 100644
--- a/components/brave_news/browser/test/BUILD.gn
+++ b/components/brave_news/browser/test/BUILD.gn
@@ -20,7 +20,6 @@ source_set("brave_news_unit_tests") {
     "//brave/components/brave_news/browser/feed_sampling_unittest.cc",
     "//brave/components/brave_news/browser/html_parsing_unittest.cc",
     "//brave/components/brave_news/browser/initialization_promise_unittest.cc",
-    "//brave/components/brave_news/browser/locales_helper_unittest.cc",
     "//brave/components/brave_news/browser/publishers_controller_unittest.cc",
     "//brave/components/brave_news/browser/publishers_parsing_unittest.cc",
     "//brave/components/brave_news/browser/suggestions_controller_unittest.cc",
diff --git a/components/brave_news/common/BUILD.gn b/components/brave_news/common/BUILD.gn
index fd449aeceec3..023cebabde24 100644
--- a/components/brave_news/common/BUILD.gn
+++ b/components/brave_news/common/BUILD.gn
@@ -6,15 +6,39 @@
 import("//brave/build/config.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
+source_set("unit_tests") {
+  testonly = true
+
+  sources = [ "locales_helper_unittest.cc" ]
+
+  deps = [
+    ":common",
+    "//base",
+    "//testing/gtest",
+  ]
+}
+
 static_library("common") {
   sources = [
     "features.cc",
     "features.h",
+    "locales_helper.cc",
+    "locales_helper.h",
+    "p3a_pref_names.cc",
+    "p3a_pref_names.h",
+    "pref_names.cc",
     "pref_names.h",
     "switches.h",
   ]
 
-  deps = [ "//base" ]
+  public_deps = [ ":mojom" ]
+
+  deps = [
+    "//base",
+    "//brave/components/l10n/common",
+    "//brave/components/p3a_utils",
+    "//components/prefs",
+  ]
 }
 
 mojom("mojom") {
diff --git a/components/brave_news/browser/locales_helper.cc b/components/brave_news/common/locales_helper.cc
similarity index 92%
rename from components/brave_news/browser/locales_helper.cc
rename to components/brave_news/common/locales_helper.cc
index d95a7d438c94..ef363c335f0e 100644
--- a/components/brave_news/browser/locales_helper.cc
+++ b/components/brave_news/common/locales_helper.cc
@@ -3,7 +3,7 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at https://mozilla.org/MPL/2.0/.
 
-#include "brave/components/brave_news/browser/locales_helper.h"
+#include "brave/components/brave_news/common/locales_helper.h"
 
 #include <optional>
 #include <string>
@@ -14,16 +14,10 @@
 #include "base/containers/fixed_flat_set.h"
 #include "base/containers/flat_map.h"
 #include "base/containers/flat_set.h"
-#include "base/feature_list.h"
 #include "base/ranges/algorithm.h"
 #include "base/strings/strcat.h"
 #include "base/strings/string_util.h"
-#include "brave/components/brave_news/browser/publishers_controller.h"
-#include "brave/components/brave_news/browser/urls.h"
-#include "brave/components/brave_news/common/brave_news.mojom-forward.h"
-#include "brave/components/brave_news/common/brave_news.mojom-shared.h"
 #include "brave/components/brave_news/common/brave_news.mojom.h"
-#include "brave/components/brave_news/common/features.h"
 #include "brave/components/l10n/common/locale_util.h"
 
 namespace brave_news {
diff --git a/components/brave_news/browser/locales_helper.h b/components/brave_news/common/locales_helper.h
similarity index 77%
rename from components/brave_news/browser/locales_helper.h
rename to components/brave_news/common/locales_helper.h
index 80eb87206449..dee4e668dcc7 100644
--- a/components/brave_news/browser/locales_helper.h
+++ b/components/brave_news/common/locales_helper.h
@@ -3,17 +3,19 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at https://mozilla.org/MPL/2.0/.
 
-#ifndef BRAVE_COMPONENTS_BRAVE_NEWS_BROWSER_LOCALES_HELPER_H_
-#define BRAVE_COMPONENTS_BRAVE_NEWS_BROWSER_LOCALES_HELPER_H_
+#ifndef BRAVE_COMPONENTS_BRAVE_NEWS_COMMON_LOCALES_HELPER_H_
+#define BRAVE_COMPONENTS_BRAVE_NEWS_COMMON_LOCALES_HELPER_H_
 
 #include <string>
-#include <vector>
 
+#include "base/containers/flat_map.h"
 #include "base/containers/flat_set.h"
-#include "brave/components/brave_news/browser/publishers_controller.h"
+#include "brave/components/brave_news/common/brave_news.mojom-forward.h"
 
 namespace brave_news {
 
+using Publishers = base::flat_map<std::string, mojom::PublisherPtr>;
+
 // Gets a list of all available locales from the publishers.
 base::flat_set<std::string> GetPublisherLocales(const Publishers& publishers);
 
@@ -34,4 +36,4 @@ base::flat_set<std::string> GetMinimalLocalesSet(
 bool IsUserInDefaultEnabledLocale();
 }  // namespace brave_news
 
-#endif  // BRAVE_COMPONENTS_BRAVE_NEWS_BROWSER_LOCALES_HELPER_H_
+#endif  // BRAVE_COMPONENTS_BRAVE_NEWS_COMMON_LOCALES_HELPER_H_
diff --git a/components/brave_news/browser/locales_helper_unittest.cc b/components/brave_news/common/locales_helper_unittest.cc
similarity index 96%
rename from components/brave_news/browser/locales_helper_unittest.cc
rename to components/brave_news/common/locales_helper_unittest.cc
index edb3a19437af..f435750ff951 100644
--- a/components/brave_news/browser/locales_helper_unittest.cc
+++ b/components/brave_news/common/locales_helper_unittest.cc
@@ -3,7 +3,7 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at https://mozilla.org/MPL/2.0/.
 
-#include "brave/components/brave_news/browser/locales_helper.h"
+#include "brave/components/brave_news/common/locales_helper.h"
 
 #include <string>
 #include <utility>
@@ -12,10 +12,6 @@
 #include "base/containers/contains.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
-#include "base/test/scoped_feature_list.h"
-#include "brave/components/brave_news/browser/publishers_controller.h"
-#include "brave/components/brave_news/browser/publishers_parsing.h"
-#include "brave/components/brave_news/browser/urls.h"
 #include "brave/components/brave_news/common/brave_news.mojom.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
diff --git a/components/brave_news/common/p3a_pref_names.cc b/components/brave_news/common/p3a_pref_names.cc
new file mode 100644
index 000000000000..2f33c46c4fd2
--- /dev/null
+++ b/components/brave_news/common/p3a_pref_names.cc
@@ -0,0 +1,37 @@
+// Copyright (c) 2024 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+#include "brave/components/brave_news/common/p3a_pref_names.h"
+
+#include "brave/components/p3a_utils/feature_usage.h"
+#include "components/prefs/pref_registry_simple.h"
+#include "components/prefs/pref_service.h"
+
+namespace brave_news::p3a::prefs {
+
+void RegisterProfileNewsMetricsPrefs(PrefRegistrySimple* registry) {
+  registry->RegisterListPref(kBraveNewsWeeklySessionCount);
+  registry->RegisterListPref(kBraveNewsWeeklyDisplayAdViewedCount);
+  registry->RegisterListPref(kBraveNewsWeeklyAddedDirectFeedsCount);
+  registry->RegisterListPref(kBraveNewsTotalCardViews);
+  registry->RegisterListPref(kBraveNewsTotalCardVisits);
+  registry->RegisterListPref(kBraveNewsVisitDepthSum);
+  registry->RegisterListPref(kBraveNewsTotalSidebarFilterUsages);
+  p3a_utils::RegisterFeatureUsagePrefs(
+      registry, prefs::kBraveNewsFirstSessionTime,
+      prefs::kBraveNewsLastSessionTime, prefs::kBraveNewsUsedSecondDay, nullptr,
+      nullptr);
+  registry->RegisterBooleanPref(kBraveNewsWasEverEnabled, false);
+}
+
+void RegisterProfileNewsMetricsPrefsForMigration(PrefRegistrySimple* registry) {
+  // Reserved for future deprecated P3A-related prefs
+}
+
+void MigrateObsoleteProfileNewsMetricsPrefs(PrefService* prefs) {
+  // Reserved for future deprecated P3A-related prefs
+}
+
+}  // namespace brave_news::p3a::prefs
diff --git a/components/brave_news/common/p3a_pref_names.h b/components/brave_news/common/p3a_pref_names.h
new file mode 100644
index 000000000000..ca04277abe2b
--- /dev/null
+++ b/components/brave_news/common/p3a_pref_names.h
@@ -0,0 +1,43 @@
+// Copyright (c) 2024 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+#ifndef BRAVE_COMPONENTS_BRAVE_NEWS_COMMON_P3A_PREF_NAMES_H_
+#define BRAVE_COMPONENTS_BRAVE_NEWS_COMMON_P3A_PREF_NAMES_H_
+
+class PrefService;
+class PrefRegistrySimple;
+
+namespace brave_news::p3a::prefs {
+
+inline constexpr char kBraveNewsWeeklySessionCount[] =
+    "brave.today.p3a_weekly_session_count";
+inline constexpr char kBraveNewsWeeklyDisplayAdViewedCount[] =
+    "brave.today.p3a_weekly_display_ad_viewed_count";
+inline constexpr char kBraveNewsWeeklyAddedDirectFeedsCount[] =
+    "brave.today.p3a_weekly_added_direct_feeds_count";
+inline constexpr char kBraveNewsTotalCardViews[] =
+    "brave.today.p3a_total_card_views";
+inline constexpr char kBraveNewsTotalCardVisits[] =
+    "brave.today.p3a_total_card_visits";
+inline constexpr char kBraveNewsVisitDepthSum[] =
+    "brave.today.p3a_card_visit_depth_sum";
+inline constexpr char kBraveNewsTotalSidebarFilterUsages[] =
+    "brave.today.p3a_total_sidebar_filter_usages";
+inline constexpr char kBraveNewsFirstSessionTime[] =
+    "brave.today.p3a_first_session_time";
+inline constexpr char kBraveNewsUsedSecondDay[] =
+    "brave.today.p3a_used_second_day";
+inline constexpr char kBraveNewsLastSessionTime[] =
+    "brave.today.p3a_last_session_time";
+inline constexpr char kBraveNewsWasEverEnabled[] =
+    "brave.today.p3a_was_ever_enabled";
+
+void RegisterProfileNewsMetricsPrefs(PrefRegistrySimple* registry);
+void RegisterProfileNewsMetricsPrefsForMigration(PrefRegistrySimple* registry);
+void MigrateObsoleteProfileNewsMetricsPrefs(PrefService* prefs);
+
+}  // namespace brave_news::p3a::prefs
+
+#endif  // BRAVE_COMPONENTS_BRAVE_NEWS_COMMON_P3A_PREF_NAMES_H_
diff --git a/components/brave_news/common/pref_names.cc b/components/brave_news/common/pref_names.cc
new file mode 100644
index 000000000000..e0ced69b0308
--- /dev/null
+++ b/components/brave_news/common/pref_names.cc
@@ -0,0 +1,37 @@
+// Copyright (c) 2024 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+#include "brave/components/brave_news/common/pref_names.h"
+
+#include "brave/components/brave_news/common/locales_helper.h"
+#include "brave/components/brave_news/common/p3a_pref_names.h"
+#include "brave/components/p3a_utils/feature_usage.h"
+#include "components/prefs/pref_registry_simple.h"
+#include "components/prefs/pref_service.h"
+
+namespace brave_news {
+namespace prefs {
+
+void RegisterProfilePrefs(PrefRegistrySimple* registry) {
+  registry->RegisterBooleanPref(kShouldShowToolbarButton, true);
+  registry->RegisterBooleanPref(kNewTabPageShowToday,
+                                IsUserInDefaultEnabledLocale());
+  registry->RegisterBooleanPref(kBraveNewsOptedIn, false);
+  registry->RegisterDictionaryPref(kBraveNewsSources);
+  registry->RegisterDictionaryPref(kBraveNewsChannels);
+  registry->RegisterDictionaryPref(kBraveNewsDirectFeeds);
+  registry->RegisterBooleanPref(kBraveNewsOpenArticlesInNewTab, true);
+
+  brave_news::p3a::prefs::RegisterProfileNewsMetricsPrefs(registry);
+}
+
+}  // namespace prefs
+
+bool IsEnabled(PrefService* prefs) {
+  return prefs->GetBoolean(prefs::kNewTabPageShowToday) &&
+         prefs->GetBoolean(prefs::kBraveNewsOptedIn);
+}
+
+}  // namespace brave_news
diff --git a/components/brave_news/common/pref_names.h b/components/brave_news/common/pref_names.h
index 5dd9d2179f09..a84af3eef261 100644
--- a/components/brave_news/common/pref_names.h
+++ b/components/brave_news/common/pref_names.h
@@ -6,6 +6,8 @@
 #ifndef BRAVE_COMPONENTS_BRAVE_NEWS_COMMON_PREF_NAMES_H_
 #define BRAVE_COMPONENTS_BRAVE_NEWS_COMMON_PREF_NAMES_H_
 
+class PrefRegistrySimple;
+
 namespace brave_news {
 namespace prefs {
 
@@ -19,28 +21,6 @@ inline constexpr char kBraveNewsIntroDismissed[] =
 inline constexpr char kBraveNewsOptedIn[] = "brave.today.opted_in";
 inline constexpr char kShouldShowToolbarButton[] =
     "brave.today.should_show_toolbar_button";
-inline constexpr char kBraveNewsWeeklySessionCount[] =
-    "brave.today.p3a_weekly_session_count";
-inline constexpr char kBraveNewsWeeklyDisplayAdViewedCount[] =
-    "brave.today.p3a_weekly_display_ad_viewed_count";
-inline constexpr char kBraveNewsWeeklyAddedDirectFeedsCount[] =
-    "brave.today.p3a_weekly_added_direct_feeds_count";
-inline constexpr char kBraveNewsTotalCardViews[] =
-    "brave.today.p3a_total_card_views";
-inline constexpr char kBraveNewsTotalCardVisits[] =
-    "brave.today.p3a_total_card_visits";
-inline constexpr char kBraveNewsVisitDepthSum[] =
-    "brave.today.p3a_card_visit_depth_sum";
-inline constexpr char kBraveNewsTotalSidebarFilterUsages[] =
-    "brave.today.p3a_total_sidebar_filter_usages";
-inline constexpr char kBraveNewsFirstSessionTime[] =
-    "brave.today.p3a_first_session_time";
-inline constexpr char kBraveNewsUsedSecondDay[] =
-    "brave.today.p3a_used_second_day";
-inline constexpr char kBraveNewsLastSessionTime[] =
-    "brave.today.p3a_last_session_time";
-inline constexpr char kBraveNewsWasEverEnabled[] =
-    "brave.today.p3a_was_ever_enabled";
 inline constexpr char kBraveNewsOpenArticlesInNewTab[] =
     "brave.news.open-articles-in-new-tab";
 
@@ -48,6 +28,8 @@ inline constexpr char kBraveNewsOpenArticlesInNewTab[] =
 inline constexpr char kBraveNewsDirectFeedsKeyTitle[] = "title";
 inline constexpr char kBraveNewsDirectFeedsKeySource[] = "source";
 
+void RegisterProfilePrefs(PrefRegistrySimple* registry);
+
 }  // namespace prefs
 
 }  // namespace brave_news
diff --git a/ios/brave-ios/Sources/Brave/Frontend/Rewards/BraveRewards.swift b/ios/brave-ios/Sources/Brave/Frontend/Rewards/BraveRewards.swift
index 4b9530905d5c..402221231884 100644
--- a/ios/brave-ios/Sources/Brave/Frontend/Rewards/BraveRewards.swift
+++ b/ios/brave-ios/Sources/Brave/Frontend/Rewards/BraveRewards.swift
@@ -11,7 +11,7 @@ import Growth
 import Preferences
 import Shared
 
-public class BraveRewards: NSObject {
+public class BraveRewards: PreferencesObserver {
 
   /// Whether or not Brave Rewards is available/can be enabled
   public static var isAvailable: Bool {
@@ -33,8 +33,6 @@ public class BraveRewards: NSObject {
 
     ads = BraveAds(stateStoragePath: configuration.storageURL.appendingPathComponent("ads").path)
 
-    super.init()
-
     braveNewsObservation = Preferences.BraveNews.isEnabled.$value
       .receive(on: DispatchQueue.main)
       .sink { [weak self] value in
@@ -46,6 +44,13 @@ public class BraveRewards: NSObject {
     if Preferences.Rewards.adsEnabledTimestamp.value == nil, ads.isEnabled {
       Preferences.Rewards.adsEnabledTimestamp.value = Date()
     }
+
+    ads.notifyBraveNewsIsEnabledPreferenceDidChange(Preferences.BraveNews.isEnabled.value)
+    Preferences.BraveNews.isEnabled.observe(from: self)
+  }
+
+  public func preferencesDidChange(for key: String) {
+    ads.notifyBraveNewsIsEnabledPreferenceDidChange(Preferences.BraveNews.isEnabled.value)
   }
 
   func startRewardsService(_ completion: (() -> Void)?) {
diff --git a/ios/browser/api/ads/brave_ads.h b/ios/browser/api/ads/brave_ads.h
index 635c09dafc9e..6af5725cbb1d 100644
--- a/ios/browser/api/ads/brave_ads.h
+++ b/ios/browser/api/ads/brave_ads.h
@@ -66,6 +66,10 @@ OBJC_EXPORT
 /// Returns `true` if the user opted-in to search result ads.
 - (BOOL)isOptedInToSearchResultAds;
 
+/// Used to notify the ads service that the user has opted-in/opted-out to
+/// Brave News.
+- (void)notifyBraveNewsIsEnabledPreferenceDidChange:(BOOL)isEnabled;
+
 /// Whether or not Brave Ads is enabled and the user should receive
 /// notification-style ads and be rewarded for it
 @property(nonatomic, assign, getter=isEnabled)
diff --git a/ios/browser/api/ads/brave_ads.mm b/ios/browser/api/ads/brave_ads.mm
index 2bcdd90cd397..843d94831cdc 100644
--- a/ios/browser/api/ads/brave_ads.mm
+++ b/ios/browser/api/ads/brave_ads.mm
@@ -217,6 +217,13 @@ - (BOOL)isOptedInToSearchResultAds {
       brave_ads::prefs::kOptedInToSearchResultAds);
 }
 
+- (void)notifyBraveNewsIsEnabledPreferenceDidChange:(BOOL)isEnabled {
+  [self setProfilePref:brave_news::prefs::kBraveNewsOptedIn
+                 value:base::Value(isEnabled)];
+  [self setProfilePref:brave_news::prefs::kNewTabPageShowToday
+                 value:base::Value(isEnabled)];
+}
+
 - (BOOL)isEnabled {
   return self.profilePrefService->GetBoolean(brave_rewards::prefs::kEnabled);
 }
@@ -1535,9 +1542,7 @@ - (void)recordP2AEvents:(const std::vector<std::string>&)events {
 }
 
 - (std::optional<base::Value>)getProfilePref:(const std::string&)path {
-  if (path == brave_news::prefs::kBraveNewsOptedIn ||
-      path == brave_news::prefs::kNewTabPageShowToday ||
-      path == ntp_background_images::prefs::kNewTabPageShowBackgroundImage ||
+  if (path == ntp_background_images::prefs::kNewTabPageShowBackgroundImage ||
       path == ntp_background_images::prefs::
                   kNewTabPageShowSponsoredImagesBackgroundImage) {
     // TODO(https://github.com/brave/brave-browser/issues/33745): Decouple Brave