Yes, you can fit a QR code on a business card. For a clean design, adding the code on the side of the card is best, ensuring it’s fully visible and the edges are even. Either way, place it in a way where it stands out. The code must be an appropriate size to be scannable—the recommended minimum size is 2 x 2cm (0.8 x 0.8in).
Testing and ensuring the QR code works before printing it on a business card is advised.