By Fixed Fee Nach Festpreis By Fixed Fee Por tarifa fija Por tarifa fija Au forfait על פי תעריף קבוע फिक्स्ड फीस द्वारा 固定料金による Por preço fixo 按固定费用 Engagement model where a client pays a predetermined fee — sometimes by milestone (e.g., by document, by stage) or by a bundle of matters (e.g., by portfolio).