In Kiel he founded together with the Kiel entrepreneur Johann Schweffel the "Maschinenbauanstalt Schweffel & Howaldt", a company initially building boilers for industry and the new railroad companies in between Hamburg and Kiel and agricultural machinery for the surrounding estates in Holstein.
In Kiel, he established together with the Kiel entrepreneur Johann Schweffel the "Maschinenbauanstalt Schweffel & Howaldt", a company initially focused on manufacturing boilers for industrial and railroad companies between Hamburg and Kiel, as well as agricultural machinery for estates in Holstein.