diff --git a/projects/ContractSphere/frontend/contract-sphere-frontend/reducers/contractReducer.js b/projects/ContractSphere/frontend/contract-sphere-frontend/reducers/contractReducer.js
new file mode 100644
index 000000000..803f0d856
--- /dev/null
+++ b/projects/ContractSphere/frontend/contract-sphere-frontend/reducers/contractReducer.js
@@ -0,0 +1,24 @@
+const initialState = {
+  contracts: [],
+  contract: null,
+  error: null
+};
+
+export default function contractReducer(state = initialState, action) {
+  switch (action.type) {
+    case 'FETCH_CONTRACTS_SUCCESS':
+      return { ...state, contracts: action.contracts };
+    case 'FETCH_CONTRACTS_FAILURE':
+      return { ...state, error: action.error };
+    case 'FETCH_CONTRACT_SUCCESS':
+      return { ...state, contract: action.contract };
+    case 'FETCH_CONTRACT_FAILURE':
+      return { ...state, error: action.error };
+    case 'CREATE_CONTRACT_SUCCESS':
+      return { ...state, contract: action.contract };
+    case 'CREATE_CONTRACT_FAILURE':
+      return { ...state, error: action.error };
+    default:
+      return state;
+  }
+}