The aim od the paper is to present both the seats of the officialate and the general vicariate of Gniezno (a court and office at the same time) in the first half of 15th century (e.g. in the first two decades of the 15th century sessions were hold in the house of the official Mikołaj Strzeszkowic) and the dates of the consistory meetings (postponed e.g. due to the plague). The paper will also present the profiles of the writers of the Gniezno consistory: public notaries, recruited most often from the lower cathedral clergy; their further ecclesiastical career, and above all the products of their clerical work: the books of Gniezno consistory (together with an attempt to characterize the form of court protocols in selected periods).