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Easy, Secure eSigning with OneID®

Unlock security with OneID®, the very first digital identity in the UK. Integrate with Nitro Sign, and get secure eSigning on-the-go from your mobile device, no card reader required.

Why choose OneID?

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Effortless eSigning

Streamline your processes with easy, efficient eSigning for any document, from any device.
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High-trust identification

Get peace of mind that your eSignatures are fully protected with advanced counter-fraud measures that set a new standard for secure document transactions.
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Extensive coverage

OneID® offers real-time identity checks for a growing community of almost 50 million U.K. adults—an astounding 97% of the adult population that holds a U.K. bank account.

How to sign with OneID® in Nitro Sign

Approve and sign your documents with your U.K.-verified bank ID to obtain secure, compliant, and legally binding electronic signatures within minutes.

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Step 1

Prepare your documents

Choose OneID® as your signing method. Easily combine with one or more other signing methods to give the signer the choice.

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Step 2

Send for signature

The signer receives an email with the link to sign document(s). When opening the link, they can read through the document and start the signing process.

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Step 3

Sign with OneID®

The signer chooses their bank and uses their banking app to prove their identity and sign the document.

Let's talk sign

Learn more about our secure, compliant eSign solutions and which plan is right for you.
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