diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,9 +21,10 @@
 include(KDECMakeSettings)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(ECMQtDeclareLoggingCategory)
+include(ECMAddQch)
 
-
-
+option(BUILD_QCH "Build API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)" OFF)
+add_feature_info(QCH ${BUILD_QCH} "API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)")
 
 set(KCONTACTS_LIB_VERSION ${PIM_VERSION})
 
@@ -60,6 +61,16 @@
 ########### CMake Config Files ###########
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5Contacts")
 
+if (BUILD_QCH)
+    ecm_install_qch_export(
+        TARGETS KF5Contacts_QCH
+        FILE KF5ContactsQchTargets.cmake
+        DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
+        COMPONENT Devel
+    )
+    set(PACKAGE_INCLUDE_QCHTARGETS "include(\"\${CMAKE_CURRENT_LIST_DIR}/KF5ContactsQchTargets.cmake\")")
+endif()
+
 configure_package_config_file(
   "${CMAKE_CURRENT_SOURCE_DIR}/KF5ContactsConfig.cmake.in"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5ContactsConfig.cmake"
diff --git a/KF5ContactsConfig.cmake.in b/KF5ContactsConfig.cmake.in
--- a/KF5ContactsConfig.cmake.in
+++ b/KF5ContactsConfig.cmake.in
@@ -6,3 +6,5 @@
 find_dependency(KF5Codecs "@KF5_MIN_VERSION@")
 
 include("${CMAKE_CURRENT_LIST_DIR}/KF5ContactsTargets.cmake")
+
+@PACKAGE_INCLUDE_QCHTARGETS@
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -129,3 +129,24 @@
 
 ecm_generate_pri_file(BASE_NAME KContacts LIB_NAME KF5Contacts DEPS "CoreAddons" FILENAME_VAR PRI_FILENAME INCLUDE_INSTALL_DIR ${KDE_INSTALL_INCLUDEDIR_KF5}/KContacts)
 install(FILES ${PRI_FILENAME} DESTINATION ${ECM_MKSPECS_INSTALL_DIR})
+
+if(BUILD_QCH)
+    ecm_add_qch(
+        KF5Contacts_QCH
+        NAME KContacts
+        BASE_NAME KF5Contacts
+        VERSION ${KContacts_VERSION_STRING}
+        ORG_DOMAIN org.kde
+        SOURCES # using only public headers, to cover only public API
+            ${KContacts_HEADERS}
+            "${CMAKE_SOURCE_DIR}/docs/AddressFormat.md"
+        MD_MAINPAGE "${CMAKE_SOURCE_DIR}/README.md"
+        LINK_QCHS
+            Qt5Core_QCH
+        BLANK_MACROS
+            KCONTACTS_EXPORT
+        TAGFILE_INSTALL_DESTINATION ${KDE_INSTALL_QTQCHDIR}
+        QCH_INSTALL_DESTINATION ${KDE_INSTALL_QTQCHDIR}
+        COMPONENT Devel
+    )
+endif()