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Cost of revenue
 12 Months Ended
Dec. 31, 2022
Cost of revenue [Abstract]  
Cost of revenue

Note 17 — Cost of revenue

 

Cost of revenue primarily consists of expenses for consultants directly involved in the delivery of services to customers.

 

   2022   2021   2020 
   EUR   EUR   EUR 
Cost of revenue   90,270    110,588    74,546 

 

72%, 26% and 34% of the cost of revenue were incurred from transactions with related parties of the Company for the year ended December 31, 2022, 2021 and 2020, respectively.

 

Four suppliers, each accounted for over 10% of the Group’s total cost of revenue, represented 88%, 56% and 88% of the Group’s cost of revenue for the years ended December 31, 2022, 2021 and 2020, respectively. Trade payable from these suppliers was EUR37,853, EUR6,112 and EUR7,560 as of December 31, 2022, 2021 and 2020, respectively.