diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -2805,6 +2805,35 @@ CommandCost CmdTownGrowthRate(TileIndex 
 }
 
 /**
+ * Change the rating of a company in a town
+ * @param tile Unused.
+ * @param flags Type of operation.
+ * @param p1 Bit 0..15 = Town ID to change, bit 16..23 = Company ID to change.
+ * @param p2 Bit 0..15 = New rating of company (signed int16).
+ * @param text Unused.
+ * @return Empty cost or an error.
+ */
+CommandCost CmdTownRating(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+{
+	if (_current_company != OWNER_DEITY) return CMD_ERROR;
+
+	TownID town_id = (TownID)GB(p1, 0, 16);
+	Town *t = Town::GetIfValid(town_id);
+	if (t == nullptr) return CMD_ERROR;
+
+	CompanyID company_id = (CompanyID)GB(p1, 16, 8);
+	if (!Company::IsValidID(company_id)) return CMD_ERROR;
+
+	int16 new_rating = Clamp((int16)GB(p2, 0, 16), RATING_MINIMUM, RATING_MAXIMUM);
+	if (flags & DC_EXEC) {
+		t->ratings[company_id] = new_rating;
+		InvalidateWindowData(WC_TOWN_AUTHORITY, town_id);
+	}
+
+	return CommandCost();
+}
+
+/**
  * Expand a town (scenario editor only).
  * @param tile Unused.
  * @param flags Type of operation.