A signature guarantee (verifying identity and signature authenticity for securities transfers, legal documents) is available from several German institutions:
| Institution | Details |
|---|---|
| Commercial Banks (Deutsche Bank, Commerzbank, HypoVereinsbank, DZ Bank, regional banks) | For their own customers; require account relationship. Fee: €10–50. |
| Sparkassen (Savings Banks) | Public-sector network; 350+ institutes. Same customer requirement. Fee similar. |
| Genossenschaftsbanken (Cooperative Banks / Volksbanken Raiffeisenbanken) | Member-owned; serve members. Fee similar. |
| Postbank (Deutsche Post subsidiary) | Branches in post offices; customer requirement. |
| Notaries (Notare) | Legal professionals; can certify signatures on any document. Higher fees (statutory schedule, ~€50–200+). Required for real estate, corporate docs. |