diff --git a/company/src/main/java/de/srsoftware/umbrella/company/SqliteDb.java b/company/src/main/java/de/srsoftware/umbrella/company/SqliteDb.java
index a313d85..988740f 100644
--- a/company/src/main/java/de/srsoftware/umbrella/company/SqliteDb.java
+++ b/company/src/main/java/de/srsoftware/umbrella/company/SqliteDb.java
@@ -9,8 +9,12 @@ import static de.srsoftware.umbrella.company.Constants.TABLE_COMPANIES;
 import static de.srsoftware.umbrella.company.Constants.TABLE_COMPANIES_USERS;
 import static de.srsoftware.umbrella.core.Constants.*;
 import static de.srsoftware.umbrella.core.exceptions.UmbrellaException.databaseException;
+import static de.srsoftware.umbrella.core.model.Status.OPEN;
+import static java.lang.System.Logger.Level.ERROR;
+import static java.text.MessageFormat.format;
 
 import de.srsoftware.umbrella.company.api.CompanyDb;
+import de.srsoftware.umbrella.core.BaseDb;
 import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
 import de.srsoftware.umbrella.core.model.Company;
 import java.sql.Connection;
@@ -21,12 +25,61 @@ import java.util.HashSet;
 import java.util.Map;
 import org.json.JSONObject;
 
-public class SqliteDb implements CompanyDb {
-
-	private final Connection db;
+public class SqliteDb extends BaseDb implements CompanyDb {
 
 	public SqliteDb(Connection connection) {
-		db = connection;
+		super(connection);
+	}
+
+	protected int createTables() {
+		int currentVersion = createSettingsTable();
+		switch (currentVersion){
+			case 0:
+				createCompanyTable();
+				createCompaniesUsersTable();
+		}
+
+		return setCurrentVersion(1);
+	}
+
+	private void createCompanyTable() {
+		var sql = """
+CREATE TABLE IF NOT EXISTS "companies" (
+ 	id INTEGER PRIMARY KEY,
+ 	name VARCHAR(255) NOT NULL,
+ 	address TEXT,
+ 	email VARCHAR(255),
+ 	phone VARCHAR(255),
+ 	bank_account TEXT,
+ 	court TEXT,
+ 	currency VARCHAR(10) DEFAULT "€",
+ 	logo TEXT,
+ 	tax_number VARCHAR(255),
+ 	decimals INT NOT NULL DEFAULT "2",
+ 	decimal_separator VARCHAR(10) DEFAULT ",",
+ 	thousands_separator VARCHAR(10) DEFAULT ".",
+ 	last_customer_number INT DEFAULT NULL,
+ 	customer_number_prefix VARCHAR(255))""";
+		try {
+			var stmt = db.prepareStatement(sql);
+			stmt.execute();
+			stmt.close();
+		} catch (SQLException e) {
+			LOG.log(ERROR, ERROR_FAILED_CREATE_TABLE, TABLE_COMPANIES, e);
+			throw new RuntimeException(e);
+		}
+	}
+
+	private void createCompaniesUsersTable() {
+		var sql = "CREATE TABLE IF NOT EXISTS companies_users (company_id INT NOT NULL, user_id INT NOT NULL)";
+		try {
+			var stmt = db.prepareStatement(sql);
+			stmt.execute();
+			stmt.close();
+		} catch (SQLException e) {
+			LOG.log(ERROR, ERROR_FAILED_CREATE_TABLE, TABLE_COMPANIES_USERS, e);
+			throw new RuntimeException(e);
+		}
 	}
 
 	@Override