diff --git a/src/profiling/test/TimelineModel.hpp b/src/profiling/test/TimelineModel.hpp
new file mode 100644
index 0000000..7b88d5f
--- /dev/null
+++ b/src/profiling/test/TimelineModel.hpp
@@ -0,0 +1,67 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <armnn/profiling/ITimelineDecoder.hpp>
+
+#include <map>
+#include <vector>
+
+namespace armnn
+{
+
+namespace profiling
+{
+using LabelMap = std::map<uint64_t, ITimelineDecoder::Label>;
+using Attribute = std::pair<std::string, std::string>;
+using Attributes = std::map<std::string, Attribute>;
+class Entity
+{
+public:
+    Entity(uint64_t guid) : m_Guid(guid) {}
+    uint64_t GetGuid() {return m_Guid;}
+    void AddChild(Entity* child)
+    {
+        if (child != nullptr)
+        {
+            m_Children.push_back(child);
+        }
+    }
+    void AddAttribute(const std::string& type, const std::string& value)
+    {
+        Attribute attr(type, value);
+        m_Attributes.emplace(type, attr);
+    }
+private:
+    uint64_t m_Guid;
+    Attributes m_Attributes;
+    std::vector<Entity*> m_Children;
+};
+using Entities = std::map<uint64_t, Entity>;
+struct ModelRelationship
+{
+    ModelRelationship(const ITimelineDecoder::Relationship& relationship) : m_Relationship(relationship) {}
+    ITimelineDecoder::Relationship m_Relationship;
+    std::vector<Entity*> m_RelatedEntities;
+};
+using Relationships = std::map<uint64_t, ModelRelationship>;
+class TimelineModel
+{
+public:
+    void AddLabel(const ITimelineDecoder::Label& label);
+    void AddEntity(uint64_t guid);
+    Entity* findEntity(uint64_t id);
+    void AddRelationship(const ITimelineDecoder::Relationship& relationship);
+    ModelRelationship* findRelationship(uint64_t id);
+private:
+    LabelMap m_LabelMap;
+    Entities m_Entities;
+    Relationships m_Relationships;
+};
+
+} // namespace profiling
+
+} // namespace armnn
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