Letter Studio
Create, Manage, Send & Track Engagement Letters with Confidence
Overview
Letter Studio is Portal360's dedicated document management workspace built specifically for accounting and advisory firms. It enables teams to create, customize, distribute, and monitor engagement letters, authority forms, compliance documents, and client agreements from a single platform. Fully integrated with Proposal Studio, Letter Studio simplifies every stage of the document lifecycle—from creation and branding to digital signing and real-time status tracking—helping firms deliver a faster, more professional client experience.
Key Features
Professional Document Creation
Create engagement letters, authority forms, compliance documents, service agreements, and business correspondence using professionally designed templates or custom layouts.
Advanced Letter Composer
Design professional multi-page documents using a powerful editor featuring merge fields, drag-and-drop content blocks, branding controls, PDF export, and automatic saving.
Secure Digital Signatures
Send documents securely through the client portal, collect electronic signatures, monitor approvals, and complete engagement workflows without printing or scanning documents.
Template Management
Access Portal360 platform templates, tenant-specific templates, and custom templates while maintaining consistent branding across every engagement.
AI Document Assistance
Generate engagement letters using AI, improve document wording, create sections automatically, and accelerate document preparation with intelligent writing assistance.
Proposal Studio Integration
Attach letters directly to proposals, replace or update documents instantly, and manage proposals and engagement letters together within one streamlined workflow.
Benefits
Centralized Document Management
Manage every engagement letter and compliance document from one secure workspace.
Faster Document Creation
Reduce manual document preparation using templates, AI assistance, and reusable content.
Secure Electronic Signatures
Collect legally compliant electronic signatures through secure client portals.
Real-Time Tracking
Track document delivery, recipient activity, approval status, and signature progress from one dashboard.
Consistent Firm Branding
Apply logos, themes, colors, and branding settings across every client-facing document.
How It Works
What You Can Manage
Engagement Letters
Create professional engagement letters for accounting and advisory services.
Compliance Documents
Prepare authority forms, compliance letters, and client agreements.
Digital Signatures
Collect secure electronic signatures from one or multiple recipients.
Proposal Attachments
Attach engagement letters directly to Proposal Studio for a complete client engagement experience.
Mobile access
Work anytime, anywhere
Mobile Access for Android & iOS. Access clients on the go, communicate instantly, and manage tasks and approvals.
Frequently Asked Questions
Everything you need to know about Portal 360.
Is Letter Studio integrated with Proposal Studio?
Can I create my own document templates?
Does Letter Studio support electronic signatures?
Can AI help create engagement letters?
Can I track document status after sending?
Modernize Your Client Document Workflows
Create, manage, send, and track engagement letters with confidence using Portal360 Letter Studio. Deliver professional client experiences with secure digital signatures, AI-powered document creation, and seamless Proposal Studio integration.