Your documents.
Your insights.
Your advantage.
Upload construction documents and get actionable intelligence — powered by our proprietary analysis engine.

Platform
The Lexacon Document
Intelligence Platform
Lexacon brings AI to your construction documents to help you make faster, better-informed decisions.
Upload & ingest
Drop your project files — PDFs, DOCX, XLSX, scanned documents. Connect Dropbox for bulk sync. Our engine classifies every document by type automatically.
Start uploading→Search & discover
Ask questions in plain English across all your project documents. Every answer comes with clickable citations back to the source document and page.
Start searching→Analyse & act
Use our proprietary library of construction-specific tools. Contract analysis, claims analysis, entity extraction, knowledge graphs — built for your industry.
Start analysing→Ingestion Engine
Every document type your
projects produce
Contracts, BOQs, specifications, payment certificates, correspondence, claims documents. Our engine handles OCR, automatic classification, and structured extraction — across PDF, DOCX, XLSX and scanned files.


Search
Ask questions.
Get cited answers.
Natural language search across your entire project. Cross-document queries, construction-aware terminology, and every answer linked back to the source document and page number. No hallucinations.
Try it free →Proprietary Tool Library
Analysis tools built
for construction
Not just search. Our proprietary library extracts structured intelligence — obligations, key dates, financial values, parties, and contractual relationships. Understands FIDIC, NEC, JCT, and bespoke contracts.
- Contract clause analysis
- Claims & entitlement analysis
- Entity & obligation extraction
- Project knowledge graph
- BOQ & schedule parsing

Use Cases
Built for the people who
manage the project
Commercial Managers
- Understand contract terms across your project in minutes
- Search obligations, entitlements, and key commercial terms
- Compare terms across multiple subcontracts
- Build claims packages with auto-pulled evidence
Project Managers
- Find any clause, spec requirement, or obligation in seconds
- Track who owes what, by when, under which contract
- Get a clear picture of project documentation
- Answer RFIs and queries with cited references
Claims Analysts
- Structured entitlement analysis from uploaded documents
- Cross-reference events against notice requirements
- Build evidence packages with document citations
- Structured output for direct use in submissions
Asset Owners & Innovation Leads
- Understand what your contracts say across your portfolio
- Give your team AI tools purpose-built for construction
- Integrate via API into your own systems
- Deploy in your own environment for sensitive projects
// Search your documents via API
const response = await fetch(
'https://api.lexacon.ai/v1/search',
{
method: 'POST',
headers: {
'Authorization': 'Bearer sk_...',
'Content-Type': 'application/json'
},
body: JSON.stringify({
query: 'What is the retention %?',
project_id: 'proj_abc123'
})
}
);
const { answer, sources } = await response.json();
// answer: "The retention is 10%..."
// sources: [{ document: "Contract.pdf", page: 23 }]API & Integrations
Build your own tools
on top of ours
Access our ingestion engine, search, and analysis tools via API. Build custom workflows, integrate with your existing systems, or connect via MCP for AI agent integration.
Contact us about API access →Why Lexacon
Not another generic AI tool
Generic AI
Upload one file at a time, paste text manually
Lexacon
Upload entire project folders — PDFs, DOCX, XLSX, scans
Generic AI
Generic text analysis, no construction knowledge
Lexacon
Proprietary library tuned for FIDIC, NEC, JCT and bespoke contracts
Generic AI
No source citations, can't verify answers
Lexacon
Every answer cited back to source document and page
Generic AI
One conversation at a time, no cross-document search
Lexacon
Search across all your project documents, extract structured data, build workflows
Stop reading every page.
Start getting answers.
Upload your first document in under 2 minutes. No credit card required.
Get started free