You can customize your existing google form using the Formesign addon to add signatures. Please note that you must use the Formesign link to collect signatures. Otherwise, customization and signatures will not work. Formesign - Demo video https://youtu.be/GPaSEioRKJ8 Formesign - Esignature addon https://workspace.google.com/marketplace/app/formesign_esignature/210002188569