diff --git a/src/company_cmd.cpp b/src/company_cmd.cpp
index f72d131e07..df08fff00f 100644
--- a/src/company_cmd.cpp
+++ b/src/company_cmd.cpp
@@ -610,15 +610,14 @@ void InitializeCompanies()
  */
 bool MayCompanyTakeOver(CompanyID cbig, CompanyID csmall)
 {
-	uint big_counts[4], small_counts[4];
-	CountCompanyVehicles(cbig,   big_counts);
-	CountCompanyVehicles(csmall, small_counts);
+	const Company *c1 = Company::Get(cbig);
+	const Company *c2 = Company::Get(csmall);
 
 	/* Do the combined vehicle counts stay within the limits? */
-	return big_counts[VEH_TRAIN]     + small_counts[VEH_TRAIN]    <= _settings_game.vehicle.max_trains &&
-		big_counts[VEH_ROAD]     + small_counts[VEH_ROAD]     <= _settings_game.vehicle.max_roadveh &&
-		big_counts[VEH_SHIP]     + small_counts[VEH_SHIP]     <= _settings_game.vehicle.max_ships &&
-		big_counts[VEH_AIRCRAFT] + small_counts[VEH_AIRCRAFT] <= _settings_game.vehicle.max_aircraft;
+	return c1->group_all[VEH_TRAIN].num_vehicle + c2->group_all[VEH_TRAIN].num_vehicle <= _settings_game.vehicle.max_trains &&
+		c1->group_all[VEH_ROAD].num_vehicle     + c2->group_all[VEH_ROAD].num_vehicle     <= _settings_game.vehicle.max_roadveh &&
+		c1->group_all[VEH_SHIP].num_vehicle     + c2->group_all[VEH_SHIP].num_vehicle     <= _settings_game.vehicle.max_ships &&
+		c1->group_all[VEH_AIRCRAFT].num_vehicle + c2->group_all[VEH_AIRCRAFT].num_vehicle <= _settings_game.vehicle.max_aircraft;
 }
 
 /**
diff --git a/src/company_gui.cpp b/src/company_gui.cpp
index a79ef5eb19..a224c1dcc4 100644
--- a/src/company_gui.cpp
+++ b/src/company_gui.cpp
@@ -1888,7 +1888,10 @@ struct CompanyWindow : Window
 
 			case CW_WIDGET_DESC_VEHICLE_COUNTS: {
 				uint amounts[4];
-				CountCompanyVehicles((CompanyID)this->window_number, amounts);
+				amounts[0] = c->group_all[VEH_TRAIN].num_vehicle;
+				amounts[1] = c->group_all[VEH_ROAD].num_vehicle;
+				amounts[2] = c->group_all[VEH_SHIP].num_vehicle;
+				amounts[3] = c->group_all[VEH_AIRCRAFT].num_vehicle;
 
 				int y = r.top;
 				if (amounts[0] + amounts[1] + amounts[2] + amounts[3] == 0) {
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 6c34d51f32..890e5e2219 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -599,21 +599,6 @@ uint CountVehiclesInChain(const Vehicle *v)
 	return count;
 }
 
-/**
- * Count the number of vehicles of a company.
- * @param c Company owning the vehicles.
- * @param [out] counts Array of counts. Contains the vehicle count ordered by type afterwards.
- */
-void CountCompanyVehicles(CompanyID cid, uint counts[4])
-{
-	for (uint i = 0; i < 4; i++) counts[i] = 0;
-
-	const Vehicle *v;
-	FOR_ALL_VEHICLES(v) {
-		if (v->owner == cid && v->IsPrimaryVehicle()) counts[v->type]++;
-	}
-}
-
 /**
  * Check if a vehicle is counted in num_engines in each company struct
  * @return true if the vehicle is counted in num_engines
@@ -1518,10 +1503,8 @@ UnitID GetFreeUnitNumber(VehicleType type)
 		default: NOT_REACHED();
 	}
 
-	uint amounts[4];
-	CountCompanyVehicles(_current_company, amounts);
-	assert((uint)type < lengthof(amounts));
-	if (amounts[type] >= max_veh) return UINT16_MAX; // Currently already at the limit, no room to make a new one.
+	const Company *c = Company::Get(_current_company);
+	if (c->group_all[type].num_vehicle >= max_veh) return UINT16_MAX; // Currently already at the limit, no room to make a new one.
 
 	FreeUnitIDGenerator gen(type, _current_company);
 
diff --git a/src/vehicle_func.h b/src/vehicle_func.h
index 166c0b9cfd..475c8a313b 100644
--- a/src/vehicle_func.h
+++ b/src/vehicle_func.h
@@ -30,7 +30,6 @@ typedef Vehicle *VehicleFromPosProc(Vehicle *v, void *data);
 
 void VehicleServiceInDepot(Vehicle *v);
 uint CountVehiclesInChain(const Vehicle *v);
-void CountCompanyVehicles(CompanyID cid, uint counts[4]);
 void FindVehicleOnPos(TileIndex tile, void *data, VehicleFromPosProc *proc);
 void FindVehicleOnPosXY(int x, int y, void *data, VehicleFromPosProc *proc);
 bool HasVehicleOnPos(TileIndex tile, void *data, VehicleFromPosProc *proc);