Your documents.
Your insights.
Your advantage.

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

Lexacon project dashboard

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.

ContractsBOQsSpecificationsClaimsPayment CertsCorrespondence
Document ingestion pipeline
Search with cited answers

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
Contract risk analysis

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