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

Get fast, contextual guidance on clauses, notices, claims, variations, and payment obligations for real project scenarios.
LegisDex Engine
Reasoning + Validation
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 PereraCommercial Director, UrbanBuild Consultants
LegisDex combines AI reasoning and backend retrieval workflows to support architects, engineers, and quantity surveyors in real projects.
Query clauses, obligations, notices, EOT, and payment mechanisms with contextual AI answers built for contract practice.
Clause Intelligence
Produce RFIs, claim notices, contractual replies, and scope clarifications aligned with project documentation.
Draft Composer
Summarize BOQ impacts, variation implications, and payment milestones to speed up commercial decision-making.
QS Delta View
Behind the scenes, LegisDex runs retrieval, reasoning, and response validation pipelines for dependable outputs in production.
Use LegisDex from early design to contract administration. Start free and scale with your firm.
Free
Ideal for individuals and early evaluation
ProPopular
Best for active architects, engineers, and QS teams
Everything in Free +
Enterprise
For consultancies and contractors running multi-project operations
Everything in Pro +
Common questions from architecture, engineering, and QS teams using LegisDex in production.