Providing services in the construction permitting sector on a contractual basis for municipalities in the cantons of Solothurn, Basel-Landschaft, and Aargau. Can establish branches and subsidiaries domestically and abroad, invest in other companies domestically and abroad, and conduct all business directly or indirectly related to its purpose, acquire, encumber, dispose of, and manage real estate domestically and abroad, undertake financing for its own or third-party account, and provide guarantees and bonds for subsidiaries and third parties.