Company-name generators for all 27, across four naming families each — coined portmanteaus, owner-surname firms with the local partnership form (Kowalski i Syn, Müller & Söhne, Rossi & Figli), descriptive names, modern tech brands.
Each closed with that country's real legal form in its authentic script: GmbH, S.r.l., Greek Α.Ε., Bulgarian ООД in Cyrillic.
If your test data has never contained a company name in Cyrillic, your app has never been tested against one.
See https://real-fake-data.com