What you get and what makes us different to our competitors
Core & advanced features which ensure you get the most out of our signing software.
Our platform seamlessly integrates with most industry specific providers.
We have a flexible pricing model to suit anyone’s specific needs.
What you get and what makes us different to our competitors.
We provide notaries with the technology they need to confidently verify Identities, in the UK.
Frequently asked questions and solutions that might be relevant to you.
Plans for Small, Medium & Enterprise level businesses.
No setup fees & pay as you need notary features & add-ons.
Only pay for what you use with our electronic notary pricing plan.
Digital signing which integrates with most Recruitment ATS & CRM’s
Improve staff & client experience with digital signatures & notary.
Increasing compliance across life science & device businesses.
Solutions for state, federal, local, county & regional government.
Founded in 2010 to be a simple, smart, and secure signing platform.
Your hub for security, compliance, and transparency.
Technology which ensures non-forgeability & non-repudiation.
The latest Secured Signing company news and awards.
New & updated features and how to use them.
Updates about software we integrate with.
Blog articles, helpful tips and guides on digital signing & notary.
We have a flexible pricing model to suit anyone's specific needs.
Secured Signing continues partnership to integrate digital signatures within Bullhorn.
5 reasons government agencies and councils are adopting digital signatures.
New feature: Signing completion certificate.
Home // Posts // How Digital Signatures Support Law Firm Authentication
Digital signatures authenticate legal documents by locking a signer’s identity to the file itself, so any change made after signing is immediately detectable, a stronger, court-admissible alternative to standard electronic signatures.
Law firms handle sensitive client agreements, engagement letters, and contracts every day. A single authentication failure puts your firm at risk of disputes, compliance violations, and reputational damage.
Digital signatures solve this by binding the signer’s identity to the document itself, making tampering immediately detectable. Secured Signing offers law firms digital signatures that verify every signer and protect every document from unauthorized changes.
Document authentication confirms two things: who signed the document, and whether it’s been altered since. Legal teams need certainty on both before an agreement is enforceable.
Digital signatures address both at once. Applying one locks the signature to the document, if even a single character changes afterward, the signature becomes invalid.
A digital signature generates a unique digital fingerprint tied to the exact document a client signs. That fingerprint confirms whether the document has been altered and whether the signature matches the claimed signer, proving both identity and integrity, not just consent.
This is the gold standard for legal authentication. It’s built on Public Key Infrastructure (PKI), an established cryptographic standard, but the practical result is simple: a signature that can’t be forged and a document that can’t be quietly edited afterward.
Digital signatures also support non-repudiation a client can’t later claim they didn’t sign, because the evidence ties their identity directly to the signature.
An electronic signature is like signing your name on a digital clipboard, it records agreement but offers limited protection against tampering or impersonation. It works fine for low-risk documents.
A digital signature is like signing that clipboard and sealing it in a tamper-proof envelope. Alter the document afterward, and the seal breaks. For client agreements, settlement documents, and regulatory filings, that level of protection is essential and it’s exactly what Secured Signing delivers.
Identity verification is often the weakest link in document signing a basic ID upload alone can be spoofed with a high-resolution image or screen. Effective authentication needs multiple layers:
Secured Signing covers all four, plus Realify Deepfake Detection, which analyzes video sessions in real time for synthetic media artifacts and pixel inconsistencies.
In the US, the ESIGN Act and UETA make electronic and digital signatures legally enforceable for most documents, provided there’s clear consent, accurate identity verification, and an unalterable audit trail.
For international clients, the EU’s eIDAS regulation defines two signature levels;Simple (SES), and Advanced (AES). Digital signatures typically qualify as Advanced, meeting stricter identity and integrity requirements than basic electronic signatures.
Secured Signing complies with these frameworks and holds certifications including ISO 27001, HIPAA, and MISMO, keeping your signed documents court-admissible and defensible.
Signature fraud has evolved fraudsters now use realistic video and audio impersonations to trick employees into approving contracts or payments. AI-generated identity fraud is one of the fastest-growing threats facing law firms.
Digital signatures prevent:
Secured Signing’s 3D biometric liveness detection confirms a real person is signing, not a static image or manipulated video, while Realify technology flags pixel inconsistencies typical of deepfakes.
Secured Signing gives law firms digital signatures built for exactly this standard: identity that’s verified, documents that can’t be silently changed, and an audit trail that holds up under scrutiny. Add biometric verification and deepfake detection, and your firm is protected against both old-fashioned tampering and the newest identity fraud tactics.
If your firm is still relying on basic electronic signatures for agreements that matter, it’s worth the switch.
Book a demo with Secured Signing to see how quickly your team can move from signing to certainty.