diff --git a/src/citymania/extensions/cmext_company.hpp b/src/citymania/extensions/cmext_company.hpp
index 57b73a826c..bd6c606f2f 100644
--- a/src/citymania/extensions/cmext_company.hpp
+++ b/src/citymania/extensions/cmext_company.hpp
@@ -11,6 +11,12 @@ public:
     Money cargo_income[NUM_CARGO]; ///< Cargo income from each cargo type
 };
 
+class Company {
+public:
+    bool is_server;  ///< whether company is controlled by the server
+    bool is_scored;  ///< whether company is eligible for scoring
+};
+
 } // namespace citymania
 
 } // namespace citymania
diff --git a/src/company_base.h b/src/company_base.h
index df5137f74a..646889e1de 100644
--- a/src/company_base.h
+++ b/src/company_base.h
@@ -100,6 +100,8 @@ struct CompanyProperties {
 	CompanyEconomyEntry old_economy[MAX_HISTORY_QUARTERS]; ///< Economic data of the company of the last #MAX_HISTORY_QUARTERS quarters.
 	byte num_valid_stat_ent;                               ///< Number of valid statistical entries in #old_economy.
 
+	citymania::ext::Company cm;  ///< CityMania extra company data.
+
 	// TODO: Change some of these member variables to use relevant INVALID_xxx constants
 	CompanyProperties()
 		: name_2(0), name_1(0), name(nullptr), president_name_1(0), president_name_2(0), president_name(nullptr),