ATTIMUS GROUP
Software that automates compliance for regulated, cross-border markets.
Attimus Group builds and operates Rentax, a tax-compliance platform for non-resident property owners in Brazil.
01Overview
Overview
Attimus Group is a software company that builds and operates products for regulated, cross-border markets. It turns complex compliance obligations into automated, reliable systems so businesses and their customers can operate across jurisdictions without friction.
02What we do
What we do
Rentax is Attimus’s platform for Brazilian tax compliance. It integrates directly with Brazilian government systems to automate monthly federal tax filings for non-resident property owners.
Automated filings
Generates and prepares the required Brazilian federal tax forms automatically each month.
Auditable by design
Maintains a complete, tamper-evident record of every filing for full compliance traceability.
Built for non-residents
Purpose-built for owners of Brazilian property who live outside Brazil.
03Company
Company
Attimus Group LLC is a Delaware limited liability company, registered to do business in California and headquartered in San Francisco. Founded in 2025, the company builds and operates Rentax.
Founder
Vinicius Quintanilha
Founder & CEO
- 16 years at Banco Santander and Bank of America (Merrill Lynch)
- Head of Strategy for Bank of America's Latin America platform
- Stanford MSx 2025, Robert L. Joss Scholar
04Contact
Contact
- contact@attimus.com
- Location
- San Francisco, California, United States