BuiltSign is a Dutch platform for signing documents electronically. Legally valid under the eIDAS Regulation, with all data held inside the European Union. What sets us apart is not the signing itself, but what you are left holding afterwards. Every signature comes with an audit certificate: timestamps, verification details per channel, and a SHA-256 hash of the document. Anyone can independently confirm that not a single byte changed after signing, without needing us. A signed document stays an ordinary PDF that remains readable and verifiable no matter which vendor you use five years from now. If you ever end up in a dispute, that is the difference between a signature and evidence. What you get: Send documents for signature, with verification by email, SMS, or an identity check using a passport and selfie. Templates for documents you send often. Fields that fill themselves in. An API and webhooks to connect your own systems. And a verification page where any recipient can check a document. Where your data lives: Database in Frankfurt, document storage in Stockholm, processing inside the EEA. Documents and signature data encrypted with AES-256. Our data processing agreement, service level agreement and an up to date list of sub-processors are published at builtsign.com/legal, so your procurement or privacy team can read them before a call is needed. Who it is for: Construction firms, contractors, accountants, estate agents, HR teams, and anyone who has contracts, quotes or employment agreements signed and needs to rely on them later. Seven days free, no credit card required. BuiltSign is a trade name of Crul.Dev, based in Almere, the Netherlands. Dutch Chamber of Commerce 97533114.