Get AI-Powered Document Review Built for Your Firm
Custom AI automation for legal document review is priced as a one-time project fee. The cost is determined by system complexity, not by per-user seats or per-document charges.
Key Takeaways
- Custom AI for legal document review is a one-time project priced by scope, not per-user fees.
- The system uses the Claude API to extract clauses and flag non-standard terms against your firm's library.
- A typical build for a focused document type, like NDAs, would take 4 to 6 weeks from discovery to deployment.
Syntora designs custom AI document review systems for small law firms. The system uses the Claude API to analyze contracts, flagging non-standard clauses against a firm's private library in under 60 seconds. Syntora delivers the full source code, ensuring the firm owns the entire system and maintains full control over client data.
The scope depends on the number of document types and the intricacy of your firm's clause library. A system for reviewing standard non-disclosure agreements against 50 approved clauses is a smaller project. A system analyzing multi-party commercial lease agreements against a 500-clause library requires a more significant build.
The Problem
Why Do Small Law Firms Still Review Documents Manually?
Many small law firms use practice management systems like Clio or PracticePanther for document automation. These tools are excellent for generating documents from templates, populating client information into a standard retainer agreement. Their architectural weakness is an inability to read or understand incoming third-party documents. They can create, but they cannot review.
A 15-attorney firm specializing in commercial real estate faces this constantly. An associate receives a 40-page lease from a counterparty. They must then spend three hours manually comparing every clause against the firm's approved language, which lives in a separate Word document. This is tedious, error-prone, and represents non-billable time that delays the actual legal analysis.
Larger, off-the-shelf AI contract review platforms like Luminance or Kira exist, but they are built for Big Law. Their pricing model, often exceeding five figures annually per seat, is prohibitive for a small office. Furthermore, their AI models are black boxes trained on a generic legal corpus. They cannot be easily customized to a firm's niche practice area or specific risk tolerance without an enterprise-level services agreement. You are forced to adapt your review process to their software's capabilities.
The structural problem is that existing tools are either too simple or too complex. Practice management software treats documents as templates to be filled, not as text to be analyzed. Enterprise AI platforms treat small firms as a market they are not built for, with inflexible models and inaccessible pricing. This leaves a gap for a system designed specifically for the needs and budget of a small, specialized practice.
Our Approach
How Would Syntora Build a Custom Document Review System?
The first step would be to audit your firm's current review process. Syntora would analyze 10-15 recent contracts and your complete clause library to map the decision-making logic an associate currently uses. This audit produces a clear specification for the system, defining what constitutes a standard clause, a minor deviation, or a major red flag that requires attorney review.
The core of the system would be a Python-based FastAPI service running on your firm's private AWS account. When a document is uploaded, the service passes the text to the Claude API with a detailed prompt engineered to identify and extract key clauses. Each extracted clause is then checked against your firm's approved language, stored in a Supabase database which can handle a library of over 50,000 clauses. The system uses vector similarity search to flag any term that deviates by more than a set threshold, like 15%.
The delivered system is a simple, secure web application accessible only to your firm. An attorney uploads a document and, in about 60 seconds, receives an annotated version. This report highlights non-standard language, suggests replacements from your library, and provides a summary of all deviations. You receive the full source code and a maintenance runbook, giving you complete ownership and control over the tool and your client's data.
| Manual Document Review | Syntora's Automated System |
|---|---|
| 1-3 hours per document | Under 60 seconds per document |
| High risk of missed deviations from standard language | Systematically flags all deviations >15% from approved clauses |
| Low-value, non-billable administrative work | High-value strategic review and negotiation |
Why It Matters
Key Benefits
One Engineer, From Call to Code
The person on your discovery call is the senior engineer who writes every line of code. No handoffs, no project managers, no miscommunication.
You Own Everything
You receive the full source code in your firm's private GitHub repository and complete deployment scripts. There is no vendor lock-in or recurring license fee.
A Realistic Build Timeline
A focused review system for a single, primary document type can be built and deployed in 4 to 6 weeks, from the initial audit to attorney training.
Transparent Post-Launch Support
Optional monthly maintenance covers API updates, monitoring, and bug fixes for a flat fee. You understand the total cost of ownership before the project begins.
Built For Your Firm's Playbook
The system is built around your specific clause library and risk tolerance. It reflects your firm's unique approach, not a generic model built for thousands of others.
How We Deliver
The Process
Discovery & Audit
A 45-minute call to understand your workflow and document types. You provide 5-10 sample documents and receive a detailed scope document with a fixed-price proposal within 48 hours.
Architecture & Clause Library Setup
We finalize the technical plan for your approval and ingest your firm's clause library into a secure Supabase database. No code is written until you sign off on the approach.
Iterative Build & Review
You get access to a staging environment within two weeks to test the system with real documents. Your feedback is incorporated directly by the engineer in weekly check-ins.
Handoff & Training
You receive the full source code, a maintenance runbook, and a live training session for your attorneys. The system is deployed on your firm's infrastructure, ensuring you control all data.
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The Syntora Advantage
Not all AI partners are built the same.
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Assessment phase is often skipped or abbreviated
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We assess your business before we build anything
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Typically built on shared, third-party platforms
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Fully private systems. Your data never leaves your environment
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May require new software purchases or migrations
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Zero disruption to your existing tools and workflows
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Training and ongoing support are usually extra
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Full training included. Your team hits the ground running from day one
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Code and data often stay on the vendor's platform
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You own everything we build. The systems, the data, all of it. No lock-in
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