Electronic Signatures Are Legally Binding, and Here Is How SignSecure Keeps Them Enforceable

In the United States the ESIGN Act and UETA give an electronic signature the same legal standing as ink on paper. Across the European Union, eIDAS does the same. SignSecure captures the evidence that proves it, on every single send.

ESIGN Act UETA eIDAS
I agree to sign electronically Amara Whitfield - 31 Aug 2026 09:33 UTC IP 81.144.22.7 - email verified SHA-256 DOCUMENT HASH 4f2a c19d 8b70 e553 a1cc 90fd SEALED ESIGN Act United States UETA 49 states and DC eIDAS European Union
What makes it hold up

Electronic signatures are legally binding when four things hold. SignSecure records all four.

Both the ESIGN Act and UETA describe an electronic signature as a sound, symbol or process attached to a record and adopted with intent to sign. Enforceability comes from proving the circumstances around that act, and that proof is built into every send.

  • Intent to signThe signer takes a deliberate action: drawing, typing or adopting a signature and then confirming it. SignSecure records that adoption as its own timestamped event, so intent is visible rather than assumed.
  • Consent to do business electronicallyEvery signing session opens with a plain-language electronic records disclosure and an affirmative agreement. SignSecure logs the version of the disclosure shown and the moment consent was given.
  • Attribution to the signerThe signature is tied to a verified email address, a unique access link, the device and browser used, and the originating IP address. Add an access code or one-time passcode when a document deserves an extra check.
  • Retention of an accurate recordThe finished PDF is sealed, hashed and stored so it can be reproduced and read by everyone entitled to it. Download it, or let it file itself onto the matching record in your CRM.

See how the signing experience works

Enforceability checklist Renewal Agreement 2026 - captured automatically Intent to sign signature adopted 09:33:04 Consent to electronic records disclosure v4 accepted 09:31:52 Attribution email verified - IP 81.144.22.7 Record retained sealed PDF - hash on file Ready to rely on all four elements logged

Recognised on both sides of the Atlantic.

Two mature legal frameworks, one signing experience. You do not choose a mode or a region before you send.

ESIGN Act, United States

The Electronic Signatures in Global and National Commerce Act, signed into federal law in 2000, states that a signature, contract or record may not be denied legal effect purely because it is in electronic form. It applies to interstate and foreign commerce, which covers most of what a growing business signs.

UETA electronic signature law

The Uniform Electronic Transactions Act, published in 1999, carries the same principle into state law and has been adopted by 49 states plus the District of Columbia. New York reaches the same result through its own Electronic Signatures and Records Act, so the whole country is covered.

eIDAS, European Union

Regulation (EU) No 910/2014 applies directly across every member state. It confirms that an electronic signature may not be denied legal effect or admissibility as evidence simply because it is electronic, and it names three levels of assurance a signature can meet.

Read the three levels

Between them these frameworks cover the agreements most teams send every day: sales contracts, renewals, order forms, statements of work, NDAs, offer letters and vendor paperwork. A qualified electronic signature under eIDAS carries the same legal effect as a handwritten signature throughout the Union, and one created in any member state is recognised in all of them.

The three eIDAS levels, in plain language.

Each level adds assurance on top of the one before it. Most commercial agreements sit comfortably at the first two.

Level one

Simple electronic signature

Data in electronic form attached to or logically associated with other data, used by the signer to sign. A drawn or typed signature with a supporting audit trail sits here, and it is admissible as evidence across the EU. This is where the majority of everyday business agreements are signed.

AUDIT TRAIL ATTACHED
Level two

Advanced electronic signature

An advanced signature is uniquely linked to the signer, capable of identifying them, created using signature data under their sole control, and linked to the document so that any later change is detectable. Identity checks and cryptographic binding do the extra work here.

SOLE CONTROL CHANGE DETECTED
Level three

Qualified electronic signature

An advanced signature created by a qualified signature creation device and based on a qualified certificate from a trust service provider on the EU trusted list. It is the level that carries automatic equivalence to a handwritten signature everywhere in the Union, and it suits deeds, public tenders and other formally regulated documents.

EU trusted list qualified provider QUALIFIED CERTIFICATE EQUIVALENT

Where paper keeps its traditional role.

Both frameworks name a short list of documents that stay outside their scope. Knowing the list up front makes it easy to route those few items the traditional way and send everything else electronically.

Wills and testamentary trusts

ESIGN section 103 places wills, codicils and testamentary trusts outside the Act. Local probate rules govern how they are executed, and they usually call for witnesses in person.

Adoption and family law papers

Adoption papers, divorce filings and other family law matters are excluded, and are handled through the court process that applies where the family lives.

Court orders and official notices

Court orders, notices and other official court documents sit outside ESIGN, alongside a short list of consumer notices such as utility cancellation, foreclosure or eviction on a primary residence, and product recalls.

Commercial agreements, employment paperwork and vendor contracts all sign electronically.

Local formalities still apply

Some countries add their own formality for deeds, real property transfers or notarised instruments. eIDAS leaves those national rules in place, so it is worth a quick check for cross-border work. Most commercial agreements need no witness at all; where a document type does require one, SignSecure records the witness as a signer with their own identity trail.

Ask us anything

If you are unsure whether a document type suits electronic signing, our team is happy to walk through it with you and point you at the right reference.

Certificate of completion Renewal-2026.pdf - envelope 8C41-QD22 COMPLETED Sent 09:14:02 UTC - amara@whitfieldgroup.co Email address verified 09:31:40 UTC - unique link claimed Opened and reviewed 09:31:52 UTC - IP 81.144.22.7 - Safari, iPhone Signed 09:33:04 UTC - signature adopted and applied recorded document hash applied SHA-256 4f2a c19d 8b70 e553 a1cc 90fd 6e21 b884
Secure electronic signature audit trail

Every document arrives with its own evidence file.

The certificate of completion travels with the signed PDF, so the story of the signing is never separated from the agreement itself. Open one and you can see exactly what happened, in order, to the second.

An electronic signature audit trail is admissible in court when it evidences attribution, intent and integrity, so every SignSecure document carries timestamps, signer events and a recorded document hash.

  • Timestamps on every eventSent, delivered, opened, viewed, signed and completed, each recorded in UTC.
  • IP address and deviceThe originating IP, browser and device recorded for each signer action.
  • Email verificationThe verified address and the unique access link that only that signer could claim.
  • Document hashA SHA-256 fingerprint of the final document, recorded so the file can be checked against it later.
  • recorded document hashA document hash applied on completion. Any edit to the file breaks the seal and shows up in any standards-based PDF reader.
  • Consent recordThe exact electronic records disclosure the signer accepted, with the moment they accepted it.

A independently checkable digital signature, on every finished document.

Legal standing rests on knowing the document you are reading is the document that was signed. That is a security question, and it is answered before the PDF ever reaches your inbox.

SHA-256Document fingerprint recorded at the moment of completion
TLS 1.2+Every document and every signing session encrypted in transit
AES-256Documents encrypted at rest in storage

How the document hash works

When the last signature lands, SignSecure flattens the completed document so its values cannot be edited in place, calculates a SHA-256 hash of the finished file, and stores that hash against the agreement with a server-side timestamp. If a single byte of the file changes afterwards, the recalculated hash no longer matches the one on record, which is how a disputed copy is checked against the original. That is what checkable means in practice: not that change is impossible, but that change is always visible.

  • Access controlsUnique links per signer, optional access codes, and one-time passcodes when a document deserves them.
  • Expiry and revocationSet an expiry date, or void an envelope, and the signing link stops working straight away.
  • Permissions by roleDecide who in your team can send, void, download or view the audit trail.
  • Filed where you workSealed PDFs and their certificates attach straight to the matching CRM record.

See signing inside Salesforce

Questions people ask before their first send.

Are electronic signatures legally binding?
Yes, under the ESIGN Act and UETA in the United States and eIDAS in the EU, for the great majority of business agreements. SignSecure records the intent, consent and document integrity that make a signature enforceable.
Will an electronic signature hold up in court?
Courts look for proof of who signed, that they meant to sign, and that the document has not changed since. Every SignSecure document carries a timestamped audit trail and a stored hash of the finished file that evidences all three.
What is ESIGN Act compliance in day to day terms?
It means presenting a clear electronic records disclosure, capturing affirmative consent, letting the signer act with obvious intent, associating the signature with the record, and retaining an accurate reproducible copy. SignSecure builds each of those into the standard signing flow, so compliance is the default path rather than a checklist you have to remember.
Do I need a qualified electronic signature for European agreements?
Most commercial agreements are signed at the simple or advanced level, and eIDAS confirms those are admissible as evidence. A qualified electronic signature is the right choice when a national rule requires the handwritten equivalent, for example certain deeds, public procurement documents or regulated filings. Your counsel in the relevant country is the best guide to which level a specific document calls for.
Is a UETA electronic signature different from an ESIGN one?
The two are deliberately aligned. UETA is a uniform state law and ESIGN is federal, and ESIGN generally gives way where a state has adopted UETA. A signature that satisfies one is normally structured to satisfy the other, which is why SignSecure captures a single consistent evidence set rather than asking you to choose a framework.
How long should I keep the signed document and its audit trail?
Retention periods depend on the type of agreement and where you operate, so your own records policy leads here. SignSecure keeps the sealed PDF and its certificate of completion available for download at any time, and can file both onto the matching record in your CRM the moment signing finishes.

A note on this page. This is general information about how electronic signature law works, written to help you get oriented. It is not legal advice, and it does not create a lawyer client relationship. For guidance on a specific agreement or jurisdiction, please speak with a qualified lawyer. Last reviewed August 2026.

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