The Montessori Children's House Lenzburg, was founded in March 2006 by Annamaria Fisler and Oliva Faggi. In 2010 the company moved from Hämmerli-Areal to the "Kochburg” at Aarauerstrasse 53 in Lenzburg.

As of August 2014, Anna and Stefan Flückiger  are the new owners of the Montessori Kindergarten and is now a bilingual Montessori institution with the name “Montessori Children`s House Lenzburg.”