Dimension scores are derived from public data and fields; weighted into the composite. Reference only.
D4Sign is a Brazilian electronic and digital signature platform. Its website describes it as the largest platform of its kind in Brazil, serving more than 500,000 companies. The product is built around online signing, identity verification, document storage, contract lifecycle management, and system integration, making it suitable for businesses that want to reduce paper-based workflows and speed up contract turnaround.
The platform offers a wide range of authentication methods, including PIX, WhatsApp, selfie, SMS, D4Sign Score, digital certificates, video selfie, CPF, geolocation, IP address, account password, and attachments of official documents. D4Sign Score, selfie, and video selfie are also said to integrate with Brazilian federal government databases. Documents can be stored in cloud-based Cofres vaults, with controlled authorized access. D4Sign CLM covers capabilities such as templates, bulk sending, clause libraries, workflows, contract management, and PowerForm. D4Sign.AI can generate document summaries, extract key information, and answer signer questions. On the security side, D4Sign holds ISO 27001 certification and highlights legal validity, ICP-Brasil encryption, and certified audit records.
The collected text does not disclose full package pricing, but notes that all plans include security, management, and customization-related features. WhatsApp, SMS, and D4Sign Score incur additional fees, and extra sends cost R$5.00. Blog information indicates a 30-day free trial with no credit card required. Developer support is relatively clear, with a REST API, developer center, API documentation, and WEB PKI. For migrations from other platforms, API integration is free for the first two months.
The main advantages are its very broad range of authentication methods and strong fit with Brazil’s local regulations and identity systems. It also combines signing, CLM, cloud storage, AI summaries, and APIs, making it well suited to enterprise workflows. The drawbacks are that public pricing is not transparent, some commonly used authentication methods cost extra, and details such as the permission model, SLA, and private deployment options are not fully explained in the available text.
D4Sign is best suited to companies operating in Brazil or those that need to comply with Brazilian electronic signature practices, such as legal teams, HR departments, education providers, and multi-location business groups. For Chinese users who only need domestic signing, it is better to first evaluate local alternatives such as 法大大, 上上签, and e签宝. If Brazilian business is involved, D4Sign can be considered as a candidate. The website does not clearly state whether it is reliably accessible from China or what payment methods are supported, so this remains unknown.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on d4sign.com.br official site.
d4sign.com.br is an Brazil Legal & Tax provider. TG4G tracks its product information, an overall rating of 8.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach d4sign.com.br directly.