STS Group provides confidence services including a digital vault for archiving and a platform for digital registered emails. The digital vault allows users to classify, securely archive, and access important documents with legal evidentiary value. It ensures integrity, authenticity, traceability, and intelligibility of archives for long-term preservation. The digital registered email platform enables secure exchanges of documents with proof of delivery, receipt, and opening. Both services are powered by Risc Group and provide security, simplicity of use, and assurance of legal and probative value for small and medium businesses.