diff --git a/libtaskmanager/CMakeLists.txt b/libtaskmanager/CMakeLists.txt
--- a/libtaskmanager/CMakeLists.txt
+++ b/libtaskmanager/CMakeLists.txt
@@ -57,6 +57,7 @@
     target_link_libraries(taskmanager
         PRIVATE
             Qt5::X11Extras
+            XCB::XCB
             KF5::IconThemes)
 endif()
 
diff --git a/libtaskmanager/abstracttasksmodel.h b/libtaskmanager/abstracttasksmodel.h
--- a/libtaskmanager/abstracttasksmodel.h
+++ b/libtaskmanager/abstracttasksmodel.h
@@ -96,6 +96,10 @@
                                model contents due to the asynchronous nature of the windowing
                                system. */
         LastActivated,    /**< The timestamp of the last time a task was the active task. */
+        ApplicationMenuServiceName, /**< The DBus service name for the application's menu.
+                                         May be empty. */
+        ApplicationMenuObjectPath,/**< The DBus object path for the application's menu.
+                                       May be empty. */
     };
     Q_ENUM(AdditionalRoles)
 
diff --git a/libtaskmanager/waylandtasksmodel.cpp b/libtaskmanager/waylandtasksmodel.cpp
--- a/libtaskmanager/waylandtasksmodel.cpp
+++ b/libtaskmanager/waylandtasksmodel.cpp
@@ -312,6 +312,12 @@
     QObject::connect(window, &KWayland::Client::PlasmaWindow::skipTaskbarChanged, q,
         [window, this] { this->dataChanged(window, SkipTaskbar); }
     );
+
+    QObject::connect(window, &KWayland::Client::PlasmaWindow::applicationMenuChanged, q,
+        [window, this] {
+            this->dataChanged(window, QVector<int>{ApplicationMenuServiceName, ApplicationMenuObjectPath});
+        }
+    );
 }
 
 AppData WaylandTasksModel::Private::appData(KWayland::Client::PlasmaWindow *window)
@@ -461,6 +467,10 @@
         // FIXME Implement.
     } else if (role == AppPid) {
         return window->pid();
+    } else if (role == ApplicationMenuObjectPath) {
+        return window->applicationMenuObjectPath();
+    } else if (role == ApplicationMenuServiceName) {
+        return window->applicationMenuServiceName();
     }
 
     return QVariant();
diff --git a/libtaskmanager/xwindowtasksmodel.cpp b/libtaskmanager/xwindowtasksmodel.cpp
--- a/libtaskmanager/xwindowtasksmodel.cpp
+++ b/libtaskmanager/xwindowtasksmodel.cpp
@@ -22,6 +22,7 @@
 #include "xwindowtasksmodel.h"
 #include "tasktools.h"
 #include "xwindowsystemeventbatcher.h"
+#include <config-X11.h>
 
 #include <KActivities/ResourceInstance>
 #include <KDesktopFile>
@@ -44,6 +45,8 @@
 #include <QUrlQuery>
 #include <QX11Info>
 
+#include "xcb/xcb.h"
+
 namespace TaskManager
 {
 
@@ -81,6 +84,7 @@
 
     KWindowInfo* windowInfo(WId window);
     AppData appData(WId window);
+    QPair<QString,QString> appMenu(WId window);
 
     QIcon icon(WId window);
     static QString mimeType();
@@ -465,6 +469,60 @@
     return data;
 }
 
+static const QByteArray s_x11AppMenuServiceNamePropertyName = QByteArrayLiteral("_KDE_NET_WM_APPMENU_SERVICE_NAME");
+static const QByteArray s_x11AppMenuObjectPathPropertyName = QByteArrayLiteral("_KDE_NET_WM_APPMENU_OBJECT_PATH");
+
+#if HAVE_X11
+static QHash<QByteArray, xcb_atom_t> s_atoms;
+#endif
+
+// returns QPair<Service Name, Object Path> for WId window
+QPair<QString, QString> XWindowTasksModel::Private::appMenu(WId window)
+{
+    auto *c = QX11Info::connection();
+
+    auto getWindowPropertyString = [c](WId id, const QByteArray &name) -> QByteArray {
+        QByteArray value;
+        if (!s_atoms.contains(name)) {
+            const xcb_intern_atom_cookie_t atomCookie = xcb_intern_atom(c, false, name.length(), name.constData());
+            QScopedPointer<xcb_intern_atom_reply_t, QScopedPointerPodDeleter> atomReply(xcb_intern_atom_reply(c, atomCookie, nullptr));
+            if (atomReply.isNull()) {
+                return value;
+            }
+
+            s_atoms[name] = atomReply->atom;
+            if (s_atoms[name] == XCB_ATOM_NONE) {
+                    return value;
+            }
+        }
+
+        static const long MAX_PROP_SIZE = 10000;
+        auto propertyCookie = xcb_get_property(c, false, id, s_atoms[name], XCB_ATOM_STRING, 0, MAX_PROP_SIZE);
+        QScopedPointer<xcb_get_property_reply_t, QScopedPointerPodDeleter> propertyReply(xcb_get_property_reply(c, propertyCookie, nullptr));
+        if (propertyReply.isNull()) {
+            return value;
+        }
+
+        if (propertyReply->type == XCB_ATOM_STRING && propertyReply->format == 8 && propertyReply->value_len > 0) {
+            const char *data = (const char *) xcb_get_property_value(propertyReply.data());
+            int len = propertyReply->value_len;
+            if (data) {
+                value = QByteArray(data, data[len - 1] ? len : len - 1);
+            }
+        }
+
+        return value;
+    };
+
+    const QString serviceName = QString::fromUtf8(getWindowPropertyString(window, s_x11AppMenuServiceNamePropertyName));
+    const QString menuObjectPath = QString::fromUtf8(getWindowPropertyString(window, s_x11AppMenuObjectPathPropertyName));
+
+    if (!serviceName.isEmpty() && !menuObjectPath.isEmpty()) {
+        return qMakePair(serviceName, menuObjectPath);
+    }
+    return qMakePair(QStringLiteral(""), QStringLiteral(""));
+}
+
 QIcon XWindowTasksModel::Private::icon(WId window)
 {
     const AppData &app = appData(window);
@@ -690,6 +748,10 @@
         if (d->lastActivated.contains(window)) {
             return d->lastActivated.value(window);
         }
+    } else if (role == ApplicationMenuObjectPath) {
+        return d->appMenu(window).second;
+    } else if (role == ApplicationMenuServiceName) {
+        return d->appMenu(window).first;
     }
 
     return QVariant();