Chatbot for
Architects & Engineers

Production-ready AI for FIDIC clauses, contract drafting,
quantity surveying support, and architecture project decisions.

LegisDex for Architecture and Engineering Teams

Use LegisDex to handle FIDIC interpretation, contract drafting, and QS-ready project support with production-ready AI workflows.

We received a contractor variation request. Can you map the right FIDIC clauses and suggest a formal response draft for the engineer?

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FIDIC and Contract Intelligence

Get fast, contextual guidance on clauses, notices, claims, variations, and payment obligations for real project scenarios.

FIDIC Retrieval
Draft Builder
QS Context
Compliance Check

LegisDex Engine

Reasoning + Validation

QS and Project Workflow Support

Generate professional replies, summarize commercial impacts, and keep architects, engineers, and QS teams aligned in one assistant.

LegisDex helps our architects and QS team interpret FIDIC clauses instantly, draft cleaner responses, and reduce contract review time across every project.

Nuwan Perera
Nuwan Perera

Commercial Director, UrbanBuild Consultants

Built for AEC Teams

LegisDex combines AI reasoning and backend retrieval workflows to support architects, engineers, and quantity surveyors in real projects.

Ask FIDIC and Contract Questions

Query clauses, obligations, notices, EOT, and payment mechanisms with contextual AI answers built for contract practice.

Generate Professional Drafts

Produce RFIs, claim notices, contractual replies, and scope clarifications aligned with project documentation.

QS and Cost Insight Support

Summarize BOQ impacts, variation implications, and payment milestones to speed up commercial decision-making.

Reliable Backend Orchestration

Behind the scenes, LegisDex runs retrieval, reasoning, and response validation pipelines for dependable outputs in production.

Plans for Every Project Team

Use LegisDex from early design to contract administration. Start free and scale with your firm.

Free

$0/month

Ideal for individuals and early evaluation


  • Basic contract Q&A
  • Core document responses
  • Standard chat history
  • Community support

ProPopular

$12/month

Best for active architects, engineers, and QS teams


Everything in Free +

  • Advanced FIDIC analysis
  • Drafting workflows
  • Higher usage limits
  • Priority email support

Enterprise

$24/month

For consultancies and contractors running multi-project operations


Everything in Pro +

  • Everything in Pro
  • Custom onboarding
  • Team governance controls
  • Priority architecture support

Frequently Asked Questions

Common questions from architecture, engineering, and QS teams using LegisDex in production.

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