Closwell crafts beautiful, intelligent proposals that make agencies look as professional as the work they deliver.
Trusted by agencies who care about craft
Proposal preview
Closwell uses advanced AI to understand your agency's voice, style, and positioning. Every proposal is personalized to your client and crafted to match your brand's professionalism.
AI writes in your agency's voice, tone, and style.
Rate benchmarking against market data for confidence.
Built-in e-signatures. No third parties needed.
60+ templates, fully customizable to your brand.
Track engagement, time spent, and client behavior.
Collaborate with approvals, comments, and versioning.
The proposals we send now look like they cost $5,000 to design. Clients comment on it every time.
James Whitfield
Partner, Brindle & Hart
Annual plans save 20%. Cancel anytime.
For freelancers and small teams
For growing agencies
For large agencies
Tell us about your project and client
AI creates a beautiful, personalized proposal
Send, sign, and get the deal done
Start creating beautiful proposals today. No credit card required.