diff --git a/include/lib/hob/hob_guid.h b/include/lib/hob/hob_guid.h
new file mode 100644
index 0000000..65d3dbf
--- /dev/null
+++ b/include/lib/hob/hob_guid.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef HOB_GUID_H
+#define HOB_GUID_H
+
+#include <lib/hob/efi_types.h>
+
+/**
+ * Guid used for creating StandaloneMm related information.
+ */
+
+#define MM_PEI_MMRAM_MEMORY_RESERVE_GUID                                        \
+{                                                                               \
+	0x0703f912, 0xbf8d, 0x4e2a, {0xbe, 0x07, 0xab, 0x27, 0x25, 0x25, 0xc5, 0x92 } \
+}
+
+#define MM_NS_BUFFER_GUID                                                       \
+{                                                                               \
+	0xf00497e3, 0xbfa2, 0x41a1, {0x9d, 0x29, 0x54, 0xc2, 0xe9, 0x37, 0x21, 0xc5 } \
+}
+
+#define MM_MP_INFORMATION_GUID                                                  \
+{                                                                               \
+	0xba33f15d, 0x4000, 0x45c1, {0x8e, 0x88, 0xf9, 0x16, 0x92, 0xd4, 0x57, 0xe3}  \
+}
+
+#endif /* HOB_GUID_H */