diff --git a/src/customizationContext/CustomizationContext.js b/src/customizationContext/CustomizationContext.js
new file mode 100644
index 0000000..e763421
--- /dev/null
+++ b/src/customizationContext/CustomizationContext.js
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2019-2022 CZ.NIC z.s.p.o. (https://www.nic.cz/)
+ *
+ * This is free software, licensed under the GNU General Public License v3.
+ * See /LICENSE for more information.
+ */
+
+import React, { useContext, useEffect } from "react";
+import PropTypes from "prop-types";
+
+import { useAPIGet } from "../api/hooks";
+import { ForisURLs } from "../utils/forisUrls";
+
+import { Spinner } from "../bootstrap/Spinner";
+
+CustomizationContextProvider.propTypes = {
+    children: PropTypes.oneOfType([
+        PropTypes.arrayOf(PropTypes.node),
+        PropTypes.node,
+    ]),
+};
+
+function CustomizationContextProvider({ children }) {
+    const { CustomizationContext } = window;
+    const [getCustomizationResponse, getCustomization] = useAPIGet(
+        ForisURLs.about
+    );
+
+    useEffect(() => {
+        getCustomization();
+    }, [getCustomization]);
+
+    if (getCustomizationResponse.state !== "success") {
+        return <Spinner fullScreen />;
+    }
+
+    const deviceDetails = getCustomizationResponse.data || {};
+
+    const isCustomized = !!(
+        deviceDetails &&
+        deviceDetails.customization !== undefined &&
+        deviceDetails.customization === "shield"
+    );
+
+    return (
+        <CustomizationContext.Provider value={{ deviceDetails, isCustomized }}>
+            {children}
+        </CustomizationContext.Provider>
+    );
+}
+
+function useCustomizationContext() {
+    const { CustomizationContext } = window;
+    return useContext(CustomizationContext);
+}
+
+export { CustomizationContextProvider, useCustomizationContext };
diff --git a/src/index.js b/src/index.js
index c52f1fa..09ec807 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2021 CZ.NIC z.s.p.o. (http://www.nic.cz/)
+ * Copyright (C) 2019-2022 CZ.NIC z.s.p.o. (https://www.nic.cz/)
  *
  * This is free software, licensed under the GNU General Public License v3.
  * See /LICENSE for more information.
@@ -91,3 +91,9 @@ export {
 
 // Alert context
 export { AlertContextProvider, useAlert } from "./alertContext/AlertContext";
+
+// Customization context
+export {
+    CustomizationContextProvider,
+    useCustomizationContext,
+} from "./customizationContext/CustomizationContext";