As QR codes are becoming a more common sight in our everyday lives, let’s look at how their increasing popularity can be used to grow your business. What Can a QR Code on My Business Card Link To? Along with instant access to your contact information (phone number, email, or vCard) that you’d like to share with your clients, a QR code can be encoded to do much more. With QR codes, you can enhance the effectiveness of your business card and make it more convenient for your potential clients to add your information to their devices, learn more about your company, or access samples of your work. However, before we learn what QR code business cards can do, you must understand what works best for your business.