The human-in-the-loop spec layer for AI-assisted delivery
Sigil helps agencies and freelancers scope projects with AI, get client approval on clear deliverables, and deliver with confidence.
How It Works
Three steps to better project delivery
Propose
AI drafts project proposals with clear deliverables, timelines, and pricing based on your input.
Approve
Clients review and approve proposals through a beautiful client portal. No back-and-forth emails.
Deliver
Track progress, share deliverables, and get stage-by-stage approvals. Everyone stays aligned.
Features
Everything you need to scope and deliver
AI-Powered Drafting
Let AI help you write professional proposals in minutes. Just describe your project and get a complete scope with deliverables, timeline, and pricing.
Beautiful Client Portal
Give clients a branded portal to review proposals, approve stages, and track project progress. No more forwarding emails or losing context.
PDF Export
Export polished PDF proposals with your branding. Perfect for formal presentations or contracts.
Stage-by-Stage Approval
Break projects into clear stages. Get client sign-off at each milestone to avoid scope creep and ensure alignment.
Deliverable Tracking
Attach files, Figma frames, and notes to each stage. Keep everything organized and accessible in one place.
Real-Time Collaboration
Comment on stages, request revisions, and communicate directly in the platform. No more scattered email threads.