How CIAT is recognised in Europe varies a lot, as you can see from the map below indicating the different levels of recognition.
(CIAT [Online]. Available from: http://www.ciat.org.uk/en/faq/answer/index.cfm?faq=FF4FAA6F-F10F-4249-A00B32D4F7D282B9 (Accessed February 2nd, 2017))
Red:
By law the certain architectural technologist functions are solely reserved for engineers or architects, as architectural technologies aren't recognised as either architects or engineer.
Orange:
There are some regulatory barriers preventing architectural technologists to be recognised, but there are possibilities as there may be similar professions, and they may not be regulated.
Green:
There is no constraints or restrictions, technologists able to compete freely.