6. Other operating expenses

EUR 1,000 2016 2015



Subcontracting -2,282 -3,558
Office management costs -2,256 -2,188
Travel expenses -1,367 -1,117
Agent fees -114 -772
Impairment losses on receivables -11,223 -1,253
Rents -1,048 -1,175
Professional services -2,036 -1,548
Marketing -476 -511
Other operataing expenses to Group companies -23,572 -27,425
Other expenses -70 -216
Other operating expenses total -44,442 -39,764



Impairment losses were recognised on trade receivables totalling EUR 96 (526) thousand and on receivables related to construction contracts totalling EUR 11,223 (1,253) thousand.


Auditors' fees

Audit KPMG -98 -102
Tax consulting KPMG -19 -20
Other services KPMG -12
Other services, others -15 -14
Audotrs' fees total -143 -136