Google Contacts, the address book built into Gmail, lets you keep track of all your contacts, see when you last interacted with them, and more.
Send new clients a welcome that reflects their signed scope.
Your new client gets a personal welcome after signing, with clear first steps and a link to share files.
See the signing link and confirmed send on each approved project.
Your client gets the agreement to sign, and you get the request link and send confirmation on the project.