diff --git a/cellular/mm1_bearer_proxy.h b/cellular/mm1_bearer_proxy.h
new file mode 100644
index 0000000..bdddf13
--- /dev/null
+++ b/cellular/mm1_bearer_proxy.h
@@ -0,0 +1,64 @@
+// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SHILL_CELLULAR_MM1_BEARER_PROXY_H_
+#define SHILL_CELLULAR_MM1_BEARER_PROXY_H_
+
+#include <string>
+
+#include "dbus_proxies/org.freedesktop.ModemManager1.Bearer.h"
+#include "shill/cellular/mm1_bearer_proxy_interface.h"
+#include "shill/dbus_properties.h"
+
+namespace shill {
+namespace mm1 {
+
+// A proxy to org.freedesktop.ModemManager1.Bearer.
+class BearerProxy : public BearerProxyInterface {
+ public:
+  // Constructs an org.freedesktop.ModemManager1.Bearer DBus object
+  // proxy at |path| owned by |service|.
+  BearerProxy(DBus::Connection *connection,
+              const std::string &path,
+              const std::string &service);
+
+  ~BearerProxy() override;
+
+  // Inherited methods from BearerProxyInterface
+  virtual void Connect(Error *error,
+                       const ResultCallback &callback,
+                       int timeout);
+  virtual void Disconnect(Error *error,
+                          const ResultCallback &callback,
+                          int timeout);
+
+ private:
+  class Proxy : public org::freedesktop::ModemManager1::Bearer_proxy,
+                public DBus::ObjectProxy {
+   public:
+    Proxy(DBus::Connection *connection,
+          const std::string &path,
+          const std::string &service);
+    ~Proxy() override;
+
+   private:
+    // Method callbacks inherited from
+    // org::freedesktop::ModemManager1::BearerProxy
+    virtual void ConnectCallback(const ::DBus::Error &dberror,
+                                 void *data);
+    virtual void DisconnectCallback(const ::DBus::Error &dberror,
+                                    void *data);
+
+    DISALLOW_COPY_AND_ASSIGN(Proxy);
+  };
+
+  Proxy proxy_;
+
+  DISALLOW_COPY_AND_ASSIGN(BearerProxy);
+};
+
+}  // namespace mm1
+}  // namespace shill
+
+#endif  // SHILL_CELLULAR_MM1_BEARER_PROXY_H_