This task can be performed using ClientKit
From proposal to payment โ everything you need to run a professional solo service business.
Best product for this task
ClientKit
freelancer-tools
ClientKit helps freelancers run their business like pros. Build proposals, contracts, scope docs, and client replies โ all in one place. Fast, friendly, and built to scale with you.

What to expect from an ideal product
- ClientKit lets you send a contract and payment request in the same link, so clients sign and pay without switching tabs or tools.
- No more chasing clients across email threads. ClientKit keeps your proposal, contract, and invoice tied to one clean workflow.
- Built for solo service businesses that bill project-based work and need clients to commit before work starts.
- Clients get a single link, review the scope, sign the contract, and pay the deposit. The whole handoff takes under five minutes.
- Stop stitching together DocuSign, Stripe, and Google Docs. ClientKit replaces all three for freelancers who want one system that actually works together.
