Belastingadviseur gezocht to guide to have proper assessment for the tax filling from 2013 until now

Plaats: Leeuwarden

Gevraagde diensten: inkomstenbelasting, belastingadvies

Toelichting
I applied tax assessment online for the year 2013 without proper knowledge and i have received a letter from tax office to pay 6125 euros to be paid. Can you please guide to have proper assessment for the tax filling for the same