diff --git a/src/persistent_json_storage.hpp b/src/persistent_json_storage.hpp
new file mode 100644
index 0000000..4b18aa1
--- /dev/null
+++ b/src/persistent_json_storage.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "interfaces/json_storage.hpp"
+
+class PersistentJsonStorage : public interfaces::JsonStorage
+{
+  public:
+    explicit PersistentJsonStorage(const DirectoryPath& directory);
+
+    void store(const FilePath& subPath, const nlohmann::json& data) override;
+    bool remove(const FilePath& subPath) override;
+    std::optional<nlohmann::json> load(const FilePath& subPath) const override;
+    std::vector<FilePath>
+        list(const DirectoryPath& subDirectory) const override;
+
+  private:
+    DirectoryPath directory;
+
+    static std::filesystem::path join(const std::filesystem::path&,
+                                      const std::filesystem::path&);
+    static void limitPermissions(const std::filesystem::path& path);
+};