SuperSign - 2026 Pricing, Features, Reviews & Alternatives

SuperSign is a digital signature platform developed in Brazil that provides secure and legally valid document signing solutions for businesses and professionals across various industries. The platform combines Google Cloud technology with accessible pricing in Brazilian currency and personalized customer support, ideal for legal professionals, real estate agencies, educational institutions, internet service providers, condominiums, and various other business segments requiring digital document authentication.

The platform offers multiple signature authentication methods to ensure document validity and security. SuperSign utilizes SHA256 encryption technology and complies with Brazilian legislation, including LGPD (Brazilian General Data Protection Law) and ICP-Brasil validation standards. Users can choose from several signature verification methods, including email, WhatsApp, and SMS token authentication, with additional verification methods in development. The system supports multiple signatories per document and provides document storage, ensuring long-term accessibility and legal validity. The interface allows users to send and sign documents while maintaining comprehensive security protocols that meet global standards for document validation and storage.

SuperSign integrates with Google Cloud technology to provide infrastructure for document generation, storage, and security with redundancy and privacy protections. The platform supports various document types including contracts, authorizations, declarations, work agreements, proposals, and numerous other documents requiring qualified digital signatures, making it useful for human resources, commercial, personal department, and service provision applications.