His great interest was forestry and gardening and had many trees from overseas planted around his manors for both economic and aesthetic reasons.

Aloys I supported mining operations within his lands in Moravia in order to raise money.

Aloys I also expanded the Liechtenstein library through the purchase of complete collections of books.

Aloys I had the architect Joseph Hardtmuth design a new palace in Herrengasse, Vienna.

During his reign, Liechtenstein carried out the last execution in its history when Barbara Erni was beheaded in Eschen for theft.