Are there any document intake portals that track deadlines and keep client notices organized?

Yes — several document intake / client portal tools are designed to do exactly that, or can be configured to.

Common features to look for

• Deadline tracking / task reminders
• Client-specific document checklists
• Secure messaging / notices
• Automated follow-ups
• Audit trails and status tracking
• Foldering or matter-based organization

Examples by use case

Legal / professional services

• Clio Manage + Clio Grow — client intake, document requests, task deadlines, reminders, and matter organization.
• MyCase — client portal, document sharing, automated reminders, and case-related notices.
• PracticePanther — intake forms, client portal, task/deadline management.
• Smokeball — strong deadline and workflow automation, document management, client communication.
• Filevine — robust matter workflows, deadlines, and intake/document tracking.

General secure client portals

• Cognito Forms + SharePoint/OneDrive — good for structured intake and routing, with deadline workflows if connected to automation.
• Jotform Enterprise — forms, conditional logic, file uploads, notifications, and integrations.
• Box / Dropbox Sign + workflow tools — for organized intake and notification flows, though deadline tracking usually needs add-ons.
• Microsoft Power Apps / SharePoint — highly customizable for tracking notices, deadlines, and document status.

HR / onboarding / compliance

• BambooHR — document collection, onboarding tasks, reminders.
• Rippling — onboarding workflows, document collection, task deadlines.
• Zenefits / TriNet — similar intake and compliance organization.

If your priority is specifically:

• Deadline tracking + organized notices: look at Clio, Filevine, Smokeball, MyCase
• Custom intake workflows: Jotform Enterprise, Microsoft Power Apps, Cognito Forms
• Simple secure client document collection: Box, Dropbox, ShareFile

If you want, I can narrow this down based on:

1. your industry (law, accounting, real estate, HR, etc.),
2. how many clients/matters you handle, and
3. whether you need reminders, e-signatures, or just document collection.