He and a business partner specialized in creating cotton textiles and printing floral patterns on them called kattun, receiving royal decorations for their success.
The family was among the first Jews allowed to settle in the Marstrand Free Port, so declared by King Gustav III of Sweden.
King Charles XIV John of Sweden and Norway awarded each of the partners a gold medal with the ribbon of Vasaorden in 1821 for their industrial achievements.
[4] The following year, the partners also opened a weaving facility Wäfveriet Lovisa Fredrica in Aronsdal (today the Krokslätt area of central Gothenburg), and the von Reis family resided in the factory's apartments 1816–1823.
[6] Aron and his wife Lowisa had 17 children whose notable descendants include Isa Quensel, Magnus Uggla, Stefan Anderson and Birgit Ridderstedt.