Thams received various honors including Gold medal for designing the Norwegian pavilion at the Exposition Universelle (1889), Knight First Class Order of St. Olav, Knight in the Swedish Order of the Polar Star and Knight of the French Legion of Honour.
Thams was recognized with numerous prestigious awards, including a Gold medal for his design work on the Norwegian pavilion at the 1889 Exposition Universelle, as well as high-ranking knighthood titles from Sweden and France.