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General and administrative expenses (Details) - Schedule of general and administrative expenses - EUR (€)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Schedule of general and administrative expenses [Abstract]      
Advertising and marketing expenses € 17,566 € 1,210 € 2,529
Bad debt expenses 5,261
Bank and other charges 4,424 2,718 719
Cleaning expenses 8,888 9,250
Depreciation 96,311 68,881 3,040
Director’s emoluments (included in note 19) 118,699 58,164 80,660
Entertainment expenses 33,651 13,172 428
Insurance 3,190 1,680
Listing fee 47,464
Office supplies and administrative expenses 10,453 36,158 1,307
Professional and consultancy services - third parties 643,825 47,020 6,045
Professional and consultancy services - related parties 46,000
Expenses on short term leases 2,951 3,597 1,210
Sponsorship - related party 100,000 30,000 15,000
Staff costs 38,993
Stamp duties and other taxes 5,214 2,089 315
Subscriptions 427 5,454 9,469
Transportation and accommodation 39,466 11,613 10,688
Utilities 3,344 1,729
Other administrative expenses 72,746 23,934 18,807
General and administrative expenses, total € 1,298,873 € 316,669 € 150,217