diff --git a/src/plugins/designer/CMakeLists.txt b/src/plugins/designer/CMakeLists.txt
index 18b1cf97692..eea16798a5d 100644
--- a/src/plugins/designer/CMakeLists.txt
+++ b/src/plugins/designer/CMakeLists.txt
@@ -1,3 +1,22 @@
+# used in the .json.in
+if(Qt6_VERSION VERSION_GREATER_EQUAL 6.7.0)
+  set(DESIGNER_PLUGIN_ARGUMENTS
+  "\"Arguments\" : [
+    {
+        \"Name\" : \"-designer-qt-pluginpath\",
+        \"Parameter\" : \"path\",
+        \"Description\" : \"Override the default search path for Qt Designer plugins\"
+    },
+    {
+        \"Name\" : \"-designer-pluginpath\",
+        \"Parameter\" : \"path\",
+        \"Description\" : \"Add a custom search path for Qt Designer plugins\"
+    }
+    ],")
+else()
+  set(DESIGNER_PLUGIN_ARGUMENTS)
+endif()
+
 add_qtc_plugin(Designer
   PLUGIN_CLASS FormEditorPlugin
   CONDITION TARGET Qt::DesignerComponentsPrivate AND TARGET Qt::Designer
diff --git a/src/plugins/designer/Designer.json.in b/src/plugins/designer/Designer.json.in
index b11764606e4..2d03527c30a 100644
--- a/src/plugins/designer/Designer.json.in
+++ b/src/plugins/designer/Designer.json.in
@@ -15,5 +15,6 @@
     "Category" : "Qt Creator",
     "Description" : "Qt Designer integration.",
     "Url" : "http://www.qt.io",
+    ${DESIGNER_PLUGIN_ARGUMENTS}
     ${IDE_PLUGIN_DEPENDENCIES}
 }
diff --git a/src/plugins/designer/formeditor.cpp b/src/plugins/designer/formeditor.cpp
index 86f5f13c8df..4d8acb41f5b 100644
--- a/src/plugins/designer/formeditor.cpp
+++ b/src/plugins/designer/formeditor.cpp
@@ -78,6 +78,9 @@ static inline QIcon designerIcon(const QString &iconName)
     return icon;
 }
 
+Q_GLOBAL_STATIC(QString, sQtPluginPath);
+Q_GLOBAL_STATIC(QStringList, sAdditionalPluginPaths);
+
 using namespace Core;
 using namespace Designer::Constants;
 using namespace Utils;
@@ -203,9 +206,24 @@ public:
 
 static FormEditorData *d = nullptr;
 
-FormEditorData::FormEditorData() :
-    m_formeditor(QDesignerComponents::createFormEditor(nullptr))
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+static QStringList designerPluginPaths()
 {
+    const QStringList qtPluginPath = sQtPluginPath->isEmpty()
+                                         ? QDesignerComponents::defaultPluginPaths()
+                                         : QStringList(*sQtPluginPath);
+    return qtPluginPath + *sAdditionalPluginPaths;
+}
+#endif
+
+FormEditorData::FormEditorData()
+{
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+    m_formeditor = QDesignerComponents::createFormEditorWithPluginPaths(designerPluginPaths(),
+                                                                        nullptr);
+#else
+    m_formeditor = QDesignerComponents::createFormEditor(nullptr);
+#endif
     if (Designer::Constants::Internal::debug)
         qDebug() << Q_FUNC_INFO;
     QTC_ASSERT(!d, return);
@@ -871,5 +889,17 @@ void FormEditorData::print()
     printer->setPageOrientation(oldOrientation);
 }
 
+void setQtPluginPath(const QString &qtPluginPath)
+{
+    QTC_CHECK(!d);
+    *sQtPluginPath = qtPluginPath;
+}
+
+void addPluginPath(const QString &pluginPath)
+{
+    QTC_CHECK(!d);
+    sAdditionalPluginPaths->append(pluginPath);
+}
+
 } // namespace Internal
 } // namespace Designer
diff --git a/src/plugins/designer/formeditor.h b/src/plugins/designer/formeditor.h
index 0d069e2322c..875c8e50904 100644
--- a/src/plugins/designer/formeditor.h
+++ b/src/plugins/designer/formeditor.h
@@ -60,5 +60,8 @@ SharedTools::WidgetHost *activeWidgetHost();
 FormWindowEditor *activeEditor();
 QList<Core::IOptionsPage *> optionsPages();
 
+void setQtPluginPath(const QString &qtPluginPath);
+void addPluginPath(const QString &pluginPath);
+
 } // namespace Internal
 } // namespace Designer
diff --git a/src/plugins/designer/formeditorplugin.cpp b/src/plugins/designer/formeditorplugin.cpp
index fd9a78187c5..37d0f7ce5df 100644
--- a/src/plugins/designer/formeditorplugin.cpp
+++ b/src/plugins/designer/formeditorplugin.cpp
@@ -60,7 +60,25 @@ FormEditorPlugin::~FormEditorPlugin()
     delete d;
 }
 
-void FormEditorPlugin::initialize()
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+static void parseArguments(const QStringList &arguments)
+{
+    const auto doWithNext = [arguments](auto it, const std::function<void(QString)> &fun) {
+        ++it;
+        if (it != arguments.cend())
+            fun(*it);
+    };
+    for (auto it = arguments.cbegin(); it != arguments.cend(); ++it) {
+        if (*it == "-designer-qt-pluginpath")
+            doWithNext(it, [](const QString &path) { setQtPluginPath(path); });
+        else if (*it == "-designer-pluginpath")
+            doWithNext(it, [](const QString &path) { addPluginPath(path); });
+    }
+}
+#endif
+
+bool FormEditorPlugin::initialize([[maybe_unused]] const QStringList &arguments,
+                                  [[maybe_unused]] QString *errorString)
 {
     d = new FormEditorPluginPrivate;
 
@@ -91,6 +109,11 @@ void FormEditorPlugin::initialize()
         if (qtr->load(trFile, qtTrPath) || qtr->load(trFile, creatorTrPath))
             QCoreApplication::installTranslator(qtr);
     }
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+    parseArguments(arguments);
+#endif
+    return true;
 }
 
 void FormEditorPlugin::extensionsInitialized()
diff --git a/src/plugins/designer/formeditorplugin.h b/src/plugins/designer/formeditorplugin.h
index e24c76ec538..754aeecaee4 100644
--- a/src/plugins/designer/formeditorplugin.h
+++ b/src/plugins/designer/formeditorplugin.h
@@ -24,7 +24,7 @@ private slots:
 #endif
 
 private:
-    void initialize() override;
+    bool initialize(const QStringList &arguments, QString *errorString) override;
     void extensionsInitialized() override;
 
     void switchSourceForm();