Co-operation with competent experts (lawyers, solicitors, barristers, tax advisers, et cetera).

Determination of the kind investigation in writing; all results in a detailed report (intermediate report, final report, et cetera). Note: Extracts from the final reports can be read on the Internet or can be sent by mail upon request.

Transparent clearing system (settlement according to outlay at fixed hourly rates, agreement of fixed prices and lump-sums possible); payment by credit card