7. Other operating expenses

EUR 1,000 2019 2018



Subcontracting -2,668 -2,670
Office management costs -3,620 -2,260
Travel expenses -3,604 -3,856
Impairment losses on receivables -576 -1,025
Agent fees -658 -624
Rents -235 -1,071
Professional services -2,284 -2,614
Marketing -442 -165
Other expenses -1,152 -660
Other operating expenses total -15,238 -14,944



Impairment losses were recognised on trade receivables totalling EUR 576 (386) thousand and on other accrued income related to projects totalling EUR 0 (639) thousand.


Auditors' fees

Audit Finland -142 -154
Audit, other countries -49 -33
Other services -31 -27
Audotrs' fees total -223 -214