diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.5)
-set(PIM_VERSION "5.11.41")
+set(PIM_VERSION "5.11.42")
 
 project(KContacts VERSION ${PIM_VERSION})
 
diff --git a/src/address.h b/src/address.h
--- a/src/address.h
+++ b/src/address.h
@@ -21,12 +21,14 @@
 #ifndef KCONTACTS_ADDRESS_H
 #define KCONTACTS_ADDRESS_H
 
+#include "kcontacts_export.h"
+#include "geo.h"
+
+#include <QMetaType>
 #include <QSharedDataPointer>
 #include <QString>
 #include <QVector>
 
-#include "kcontacts_export.h"
-
 namespace KContacts {
 class Geo;
 /**
@@ -40,6 +42,21 @@
     friend KCONTACTS_EXPORT QDataStream &operator<<(QDataStream &s, const Address &addr);
     friend KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &s, Address &addr);
 
+    Q_GADGET
+    Q_PROPERTY(QString id READ id WRITE setId)
+    Q_PROPERTY(bool isEmpty READ isEmpty)
+    Q_PROPERTY(Type type READ type WRITE setType)
+    Q_PROPERTY(QString typeLabel READ typeLabel)
+    Q_PROPERTY(QString postOfficeBox READ postOfficeBox WRITE setPostOfficeBox)
+    Q_PROPERTY(QString extended READ extended WRITE setExtended)
+    Q_PROPERTY(QString street READ street WRITE setStreet)
+    Q_PROPERTY(QString locality READ locality WRITE setLocality)
+    Q_PROPERTY(QString region READ region WRITE setRegion)
+    Q_PROPERTY(QString postalCode READ postalCode WRITE setPostalCode)
+    Q_PROPERTY(QString country READ country WRITE setCountry)
+    Q_PROPERTY(QString label READ label WRITE setLabel)
+    Q_PROPERTY(KContacts::Geo geo READ geo WRITE setGeo)
+
 public:
     /**
       List of addresses.
@@ -60,6 +77,7 @@
     };
 
     Q_DECLARE_FLAGS(Type, TypeFlag)
+    Q_FLAG(Type)
 
     /**
       List of address types.
@@ -348,4 +366,6 @@
 KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &stream, Address &address);
 }
 
+Q_DECLARE_METATYPE(KContacts::Address)
+
 #endif
diff --git a/src/address.cpp b/src/address.cpp
--- a/src/address.cpp
+++ b/src/address.cpp
@@ -19,7 +19,6 @@
 */
 
 #include "address.h"
-#include "geo.h"
 #include "countrytoisomap_data.cpp"
 #include "isotocountrymap_data.cpp"
 
diff --git a/src/addressee.h b/src/addressee.h
--- a/src/addressee.h
+++ b/src/addressee.h
@@ -83,6 +83,55 @@
     friend KCONTACTS_EXPORT QDataStream &operator<<(QDataStream &, const Addressee &);
     friend KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &, Addressee &);
 
+    Q_GADGET
+    Q_PROPERTY(bool isEmpty READ isEmpty)
+    Q_PROPERTY(QString uid READ uid WRITE setUid)
+    Q_PROPERTY(QString name READ name WRITE setName)
+    Q_PROPERTY(QString formattedName READ formattedName WRITE setFormattedName)
+    Q_PROPERTY(QString familyName READ familyName WRITE setFamilyName)
+    Q_PROPERTY(QString givenName READ givenName WRITE setGivenName)
+    Q_PROPERTY(QString additionalName READ additionalName WRITE setAdditionalName)
+    Q_PROPERTY(QString prefix READ prefix WRITE setPrefix)
+    Q_PROPERTY(QString suffix READ suffix WRITE setSuffix)
+    Q_PROPERTY(QString nickName READ nickName)
+    Q_PROPERTY(QDateTime birthday READ birthday) // ### can't set this due to withTime argument
+    Q_PROPERTY(bool birthdayHasTime READ birthdayHasTime)
+    Q_PROPERTY(QString mailer READ mailer WRITE setMailer)
+    Q_PROPERTY(KContacts::Geo geo READ geo WRITE setGeo)
+    Q_PROPERTY(QString title READ title)
+    Q_PROPERTY(QString role READ role)
+    Q_PROPERTY(QString organization READ organization)
+    Q_PROPERTY(QString department READ department WRITE setDepartment)
+    Q_PROPERTY(QString note READ note WRITE setNote)
+    Q_PROPERTY(QString productId READ productId WRITE setProductId)
+    Q_PROPERTY(QDateTime revision READ revision)
+    Q_PROPERTY(QString sortString READ sortString WRITE setSortString)
+    Q_PROPERTY(KContacts::ResourceLocatorUrl url READ url WRITE setUrl)
+    Q_PROPERTY(QString realName READ realName)
+    Q_PROPERTY(QString assembledName READ assembledName)
+    Q_PROPERTY(QString preferredEmail READ preferredEmail)
+    Q_PROPERTY(QStringList categories READ categories WRITE setCategories)
+    Q_PROPERTY(QStringList customs READ customs)
+    Q_PROPERTY(bool changed READ changed WRITE setChanged)
+    Q_PROPERTY(QDate anniversary READ anniversary WRITE setAnniversary)
+    Q_PROPERTY(QString assistantsName READ assistantsName WRITE setAssistantsName)
+    Q_PROPERTY(QString managersName READ managersName WRITE setManagersName)
+    Q_PROPERTY(QString office READ office WRITE setOffice)
+    Q_PROPERTY(QString profession READ profession WRITE setProfession)
+    Q_PROPERTY(QString spousesName READ spousesName WRITE setSpousesName)
+
+    // using variants for QML compatibility, can be changed to proper types once QML supports that
+    Q_PROPERTY(QVariantList emails READ emailsVariant)
+    Q_PROPERTY(QVariantList phoneNumbers READ phoneNumbersVariant)
+    Q_PROPERTY(QVariantList addresses READ addressesVariant)
+
+    // ### the following properties are still missing:
+    // - logos, photos, sounds
+    // - keys
+    // - the list variants for nicks, titles, roles, orgs, urls
+    // - timezone, secrecy, gender, kind, members, relationships, impps, language
+    // - field groups, sourceUrls, calendarUrls
+
 public:
     /**
       A list of addressee objects
@@ -1151,6 +1200,10 @@
     void setSpousesName(const QString &spousesName);
 
 private:
+    QVariantList emailsVariant() const;
+    QVariantList phoneNumbersVariant() const;
+    QVariantList addressesVariant() const;
+
     class Private;
     QSharedDataPointer<Private> d;
 };
diff --git a/src/addressee.cpp b/src/addressee.cpp
--- a/src/addressee.cpp
+++ b/src/addressee.cpp
@@ -2661,3 +2661,35 @@
 
     return true;
 }
+
+QVariantList Addressee::emailsVariant() const
+{
+    QVariantList l;
+    l.reserve(d->mEmails.size());
+    std::transform(d->mEmails.constBegin(), d->mEmails.constEnd(), std::back_inserter(l), [](const Email &email) {
+        return QVariant::fromValue(email);
+    });
+    return l;
+}
+
+QVariantList Addressee::phoneNumbersVariant() const
+{
+    QVariantList l;
+    l.reserve(d->mPhoneNumbers.size());
+    std::transform(d->mPhoneNumbers.constBegin(), d->mPhoneNumbers.constEnd(), std::back_inserter(l), [](const PhoneNumber &num) {
+        return QVariant::fromValue(num);
+    });
+    return l;
+}
+
+QVariantList Addressee::addressesVariant() const
+{
+    QVariantList l;
+    l.reserve(d->mAddresses.size());
+    std::transform(d->mAddresses.constBegin(), d->mAddresses.constEnd(), std::back_inserter(l), [](const Address &addr) {
+        return QVariant::fromValue(addr);
+    });
+    return l;
+}
+
+#include "moc_addressee.cpp"
diff --git a/src/email.h b/src/email.h
--- a/src/email.h
+++ b/src/email.h
@@ -22,9 +22,11 @@
 #define EMAIL_H
 
 #include "kcontacts_export.h"
+
+#include <QMap>
+#include <QMetaType>
 #include <QSharedDataPointer>
 #include <QString>
-#include <QMap>
 
 /** @short Class that holds a Email for a contact.
  *  @since 4.14.5
@@ -35,6 +37,11 @@
 {
     friend KCONTACTS_EXPORT QDataStream &operator<<(QDataStream &, const Email &);
     friend KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &, Email &);
+
+    Q_GADGET
+    Q_PROPERTY(QString email READ mail WRITE setEmail)
+    Q_PROPERTY(bool isValid READ isValid)
+
 public:
     /**
      * Creates an empty email object.
@@ -70,5 +77,6 @@
 
 KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &stream, Email &object);
 }
+Q_DECLARE_METATYPE(KContacts::Email)
 Q_DECLARE_TYPEINFO(KContacts::Email, Q_MOVABLE_TYPE);
 #endif // EMAIL_H
diff --git a/src/geo.h b/src/geo.h
--- a/src/geo.h
+++ b/src/geo.h
@@ -22,6 +22,8 @@
 #define KCONTACTS_GEO_H
 
 #include "kcontacts_export.h"
+
+#include <QMetaType>
 #include <QSharedDataPointer>
 #include <QString>
 
@@ -36,6 +38,11 @@
     friend KCONTACTS_EXPORT QDataStream &operator<<(QDataStream &, const Geo &);
     friend KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &, Geo &);
 
+    Q_GADGET
+    Q_PROPERTY(float latitude READ latitude WRITE setLatitude)
+    Q_PROPERTY(float longitude READ longitude WRITE setLongitude)
+    Q_PROPERTY(bool isValid READ isValid)
+
 public:
     /**
      * Creates an invalid geographics position object.
@@ -135,5 +142,6 @@
  */
 KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &stream, Geo &object);
 }
+Q_DECLARE_METATYPE(KContacts::Geo)
 Q_DECLARE_TYPEINFO(KContacts::Geo, Q_MOVABLE_TYPE);
 #endif
diff --git a/src/phonenumber.h b/src/phonenumber.h
--- a/src/phonenumber.h
+++ b/src/phonenumber.h
@@ -23,10 +23,11 @@
 
 #include "kcontacts_export.h"
 
+#include <QMap>
+#include <QMetaType>
 #include <QSharedDataPointer>
 #include <QString>
 #include <QVector>
-#include <QMap>
 
 namespace KContacts {
 /**
@@ -41,6 +42,14 @@
     friend KCONTACTS_EXPORT QDataStream &operator<<(QDataStream &, const PhoneNumber &);
     friend KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &, PhoneNumber &);
 
+    Q_GADGET
+    Q_PROPERTY(QString id READ id WRITE setId)
+    Q_PROPERTY(QString number READ number WRITE setNumber)
+    Q_PROPERTY(QString normalizedNumber READ normalizedNumber)
+    Q_PROPERTY(Type type READ type WRITE setType)
+    Q_PROPERTY(QString typeLabel READ typeLabel)
+    Q_PROPERTY(bool isEmpty READ isEmpty)
+
 public:
     /**
       Phone number types.
@@ -65,6 +74,7 @@
     };
 
     Q_DECLARE_FLAGS(Type, TypeFlag)
+    Q_FLAG(Type)
 
     /**
      * List of phone number types.
@@ -240,5 +250,6 @@
  */
 KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &stream, PhoneNumber &number);
 }
+Q_DECLARE_METATYPE(KContacts::PhoneNumber)
 Q_DECLARE_TYPEINFO(KContacts::PhoneNumber, Q_MOVABLE_TYPE);
 #endif
diff --git a/src/resourcelocatorurl.h b/src/resourcelocatorurl.h
--- a/src/resourcelocatorurl.h
+++ b/src/resourcelocatorurl.h
@@ -23,10 +23,12 @@
 
 #include "kcontacts_export.h"
 
+#include <QMap>
+#include <QMetaType>
 #include <QSharedDataPointer>
 #include <QString>
-#include <QMap>
-class QUrl;
+#include <QUrl>
+
 /** @short Class that holds a Resource Locator
  *  @since 5.0
  */
@@ -36,6 +38,11 @@
 {
     friend KCONTACTS_EXPORT QDataStream &operator<<(QDataStream &, const ResourceLocatorUrl &);
     friend KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &, ResourceLocatorUrl &);
+
+    Q_GADGET
+    Q_PROPERTY(QUrl url READ url WRITE setUrl)
+    Q_PROPERTY(bool isValid READ isValid)
+
 public:
 
     ResourceLocatorUrl();
@@ -68,6 +75,7 @@
 
 KCONTACTS_EXPORT QDataStream &operator>>(QDataStream &stream, ResourceLocatorUrl &object);
 }
+Q_DECLARE_METATYPE(KContacts::ResourceLocatorUrl)
 Q_DECLARE_TYPEINFO(KContacts::ResourceLocatorUrl, Q_MOVABLE_TYPE);
 
 #endif // RESOURCELOCATORURL_H
diff --git a/src/resourcelocatorurl.cpp b/src/resourcelocatorurl.cpp
--- a/src/resourcelocatorurl.cpp
+++ b/src/resourcelocatorurl.cpp
@@ -20,7 +20,6 @@
 
 #include "resourcelocatorurl.h"
 #include <QMap>
-#include <QUrl>
 #include <QDataStream>
 #include <QStringList>