SignForge builds e-signature software for organisations that need signed documents to remain provable over time. Its core product is an e-signature platform that embeds cryptographic verification directly inside each signed PDF using open standards — W3C Verifiable Credentials, ECDSA P-256 signatures, and SHA-256 hashing, anchored in a public transparency log. Where conventional platforms verify signatures through a vendor-controlled portal, SignForge makes the document self-verifying, so authenticity can be confirmed independently and indefinitely, without an account or an active subscription. The company also develops AI-native document workflows, including an assistant that drafts agreements from plain-language prompts, and an MCP server that lets AI agents create and send documents for signature directly. SignForge serves legal, HR, finance, consulting, and real estate teams — from individual practitioners through to enterprises requiring SSO/SAML, API access, and contractual SLAs. Alongside the signing platform it offers a suite of free browser-based PDF tools.