Company Dossier
A public tool that turns a Brazilian company tax ID into a structured company view, combining registration, activities, ownership, objective signals and comparison tools in a shareable experience.
Consolidate research without hiding the data source
Researching a Brazilian company requires navigating different sources, interpreting codes and reorganizing information before it supports a commercial decision. The cost lies in repeating the process.
The tool had to deliver value immediately, even when AI or optional services were unavailable. It also needed a real URL for each query, search-engine-readable pages and comparisons without unnecessary processing cost.
A deterministic base with progressive layers
The tax ID is validated before any request. An edge function queries public sources, normalizes the response and produces a base layer with identity, economic activities, location, capital, contacts and ownership.
Objective signals, registration health and a timeline sit on top of that base. The AI layer is optional and separate, preserving the core experience when it is not used.
Each company has a server-rendered page with a canonical URL and structured data. The result can be shared, exported to PDF and compared with other companies without rebuilding the entire experience in the browser.
How it works
Tax ID
Formatting and check digits reject invalid input.
Sources
The function queries BrasilAPI and falls back when necessary.
Normalization
Different fields become a predictable interface model.
Reading
Registration, activities, ownership and signals form the report.
Distribution
URL, PDF, comparison and social preview make it reusable.
Product and engineering decisions
No AI dependency for core data
The essential report is deterministic. Intelligent features add interpretation without controlling public-data access.
Graceful degradation
Optional sources and external services may fail without taking down identity, activities and ownership.
SEO as product behavior
Per-company SSR, canonical URLs, structured data and dynamic previews turn every query into a shareable page.
Capabilities available today
- Public company tax ID lookup with complete validation
- Deterministic registration health and objective signals
- Server-rendered, indexable pages for each company
- Side-by-side comparison of two or three companies
- Branded PDF report with a QR Code
- Local history and dynamic social previews per company
Luis Braghin
Luis Braghin · Product, software and automation development