Electronic contract signing is the process of executing a contract by capturing each party’s signature through an electronic method instead of ink on paper. The document, the signatures and the record of who did what all live in software, and the file that comes out the other end is the executed contract. In the United States the ESIGN Act and the state UETA laws bar a court from denying a contract effect solely because it is electronic.
The mechanics are easy. What people get wrong is everything around them: proving later that the right person signed, knowing which agreements still need a pen and the extra consent step for consumer counterparties.
This article is general information, not legal advice. Contract law varies by state and country, and specific agreements can carry requirements a general guide can’t anticipate. Talk to a lawyer about your own contracts.
What electronic contract signing actually means
The federal ESIGN Act defines an electronic signature as a sound, symbol or process attached to or logically associated with a record and executed by a person with the intent to sign the record. That wording has two working parts: the signature has to be tied to the specific document, and the person has to mean it. A name typed into a signature field at the bottom of a contract qualifies. The same name typed into an unrelated email usually doesn’t.
People often treat three terms as one. They aren’t, and the difference shows up when a contract is challenged.
| Term | What it is | Where it fits in contract signing |
|---|---|---|
| Electronic signature | Any electronic mark applied with intent to sign, plus the platform’s record of who applied it | The legal category. This is what an e-signature platform produces and what ESIGN and UETA speak to. |
| Digital signature | A specific cryptographic technique that binds a signature to a document using a certificate and a key pair | A technology used underneath many e-signature products to make the finished file tamper evident. |
| Wet signature | Ink applied to paper by hand | Still required for a short list of document types, and still common where a notary is involved. |
We cover that distinction at length in digital signature vs electronic signature and what is an electronic signature. For contract work the takeaway is short: you’re almost always producing an electronic signature, and the software you pick decides how much evidence sits behind it.
Is electronic contract signing legally binding?
Yes, electronic contract signing is legally binding. In the United States, the federal Electronic Signatures in Global and National Commerce Act, Public Law 106-229, enacted June 30, 2000, provides that a signature, contract or other record relating to a covered transaction may not be denied legal effect, validity or enforceability solely because it is in electronic form. The Uniform Electronic Transactions Act, approved by the Uniform Law Commission in 1999, reaches the same result at state level and has been adopted in 49 states plus the District of Columbia. New York is the outlier, operating under its own Electronic Signatures and Records Act.
In the European Union, Regulation (EU) No 910/2014, known as eIDAS, does the same job. Article 25 provides that an electronic signature cannot be denied legal effect or admissibility as evidence purely because it is electronic, and that a qualified electronic signature carries the same legal effect as a handwritten one. eIDAS recognizes three tiers, from simple up to qualified. Most commercial EU contracts are signed at the simple or advanced tier.
Being permitted by statute isn’t the same as being enforceable in practice. A signed file still has to survive a dispute.
What makes an electronically signed contract enforceable
Four conditions do most of the work:
- Intent to sign. The signer took a deliberate action to sign a specific document, not an ambiguous one that could be read as something else.
- Consent to transact electronically. Both sides agreed, expressly or through their conduct, to do this business electronically. Most platforms capture this as an explicit checkbox on the first screen.
- Attribution. The signature links back to a person through the email address used, the authentication method and the platform’s session log.
- Retention. Sections 101(d) and 101(e) of the ESIGN Act require the electronic record to accurately reflect the agreement and to be retained and accurately reproduced later by everyone entitled to a copy. A record nobody can open in five years is a problem.
The underlying contract still has to be a contract. Offer, acceptance, consideration, capacity and a lawful purpose apply exactly as on paper, and we cover them in what makes a contract legally binding. Signing electronically changes the method, not the requirements.
The extra step when you are contracting with a consumer
Most guides skip the consumer step. Section 101(c) of the ESIGN Act adds a procedure that applies when a statute would otherwise require you to give a consumer information in writing. Before the consumer can validly consent to receiving it electronically, you have to give them a clear statement covering their right to a paper copy, how to withdraw consent and what that costs, whether consent covers one transaction or a category, the hardware and software needed and how to request paper later. The consumer then has to consent electronically in a way that reasonably demonstrates they can access the format you plan to use.
Business to business contracts generally don’t carry this step. Consumer-facing agreements often do, and it’s a common gap. Our guide to the ESIGN Act goes deeper, and electronic signature laws by state covers where state rules diverge.
Types of electronic signatures and how signers are authenticated
Most contracts need only a simple electronic signature, and stronger identity checks are added when the value or risk of the contract calls for them. The three tiers come from eIDAS, the European Union’s regulation on electronic identification and trust services, and US law doesn’t rank them. The ESIGN Act and UETA treat an electronic signature the same way as long as intent and the record are in place, so the tier matters most when a counterparty sits in the EU or a regulator asks for more proof.
| Signature type | What it proves | Typical use |
|---|---|---|
| Simple electronic signature | A person applied a mark with intent to sign. Identity rests on the email link and the platform record. | NDAs, service agreements, most commercial contracts |
| Advanced electronic signature | The signature is uniquely linked to the signer, identifies them and lets anyone detect later changes to the data. | Higher value contracts and regulated EU sectors |
| Qualified electronic signature | An advanced signature created with a qualified device and a qualified certificate. Article 25(2) of eIDAS gives it the effect of a handwritten signature. | Documents where EU law or the counterparty demands the highest assurance |
How signers are authenticated
Signers are authenticated by something they can access or something they know, and each added check gives your audit trail more weight. Four levels are common, running from the default email link to a full identity check.
- Email link only. This is the default level, and anyone who controls the inbox can sign.
- Access code. You send a code through a second channel, such as a message or a call.
- SMS code. The platform texts a one-time code to the signer’s phone.
- Identity check. The signer shows a government ID or signs in through a verified identity provider.
Match the level to what a challenge would cost you. An NDA with a known partner rarely needs more than the email link. A high-value contract with a new counterparty is worth an access code or an SMS check.
Click-wrap acceptance versus a signed contract
Click-wrap acceptance, where someone ticks an “I agree” box beside online terms, can form a contract, but it isn’t the same as a signature on a specific document. It suits standard terms of service. A negotiated agreement between named parties belongs in a signing flow, because you get a signature tied to the document, a signing order and a certificate.
How to sign a contract electronically, step by step
To sign a contract electronically, finalize the document, upload it to an e-signature platform, place a field for every party, set the signing order, send the request and let each signer verify their identity and sign before the platform distributes the completed copy and its certificate. Here’s what each step involves.
1. Finalize the contract text first
Lock the wording before the document enters the signing flow. Changing a clause after a signature has landed usually means voiding the request and starting again. Check that party names match legal entity names, that the effective date is right and that no placeholder text survived. If you’re drafting from scratch, we keep free contract templates and a walkthrough on how to write a contract.
2. Upload the document to your signing platform
PDF is the safest format because it renders the same everywhere. Most platforms also accept DOC and DOCX and convert on upload, which can shift pagination, so preview the converted file. If you send this contract often, save it as a template now.
3. Add a field for every party and every input
Place the fields the contract needs, each assigned to the person who has to fill it:
- A signature field per signatory, including your own if you’re countersigning
- Initials fields wherever the contract calls for them, such as page-level acknowledgements or a schedule
- Date fields, which many platforms fill in automatically at signing
- Text fields for anything the other side supplies, like a billing address or registration number
- Checkboxes for optional terms the counterparty is electing into
Unassigned fields are the most common cause of a stalled request. If a field isn’t tied to a named recipient, the signer often can’t see it, and the document sits half complete while both sides wait.
4. Set the signing order
A two-party contract has two signatories, and every extra signer, witness or approver adds another field and another point where the request can stall. Decide whether everyone signs at once or in sequence. Parallel signing is faster for simple two-party agreements. Sequential signing matters when order carries meaning: a department head approving before a finance director, or the counterparty signing before you countersign so your signature is the act of acceptance. Add anyone who needs a copy but no signature as a carbon copy recipient, so they don’t block the flow.
5. Send the signature request
The platform emails each signer a secure link. Write a subject line and message that identify the contract clearly, because a vague request looks like phishing and gets ignored. Set a reminder cadence and, for time-sensitive agreements, an expiry date. See signature request for wording that gets a faster response, or the walkthrough for sending a document in Signaturely.
6. Signers authenticate and sign, and everyone gets the final copy
Each signer opens the link, confirms their identity, reviews the contract and signs. When the last signature lands, the platform locks the file, distributes the completed contract and generates the signing certificate. Archive both. The certificate is the evidence, and it’s a separate file from the contract.
Quick pre-send checklist
- Party names match the legal entities, not trading names
- Every field is assigned to a named recipient
- Email addresses are individual, not shared inboxes
- The signing order reflects how the agreement is meant to be accepted
- You know where the signed copy and certificate will be stored
What a defensible audit trail has to capture
The audit trail is what turns a signed PDF into evidence. If someone claims they never signed, or that the document was altered afterwards, the trail is the answer. Sections 101(d) and 101(e) of the ESIGN Act require the record to accurately reflect the agreement and to be reproducible later, so this file matters as much as the contract.
| What it records | Why it matters in a dispute |
|---|---|
| Signer name and email address | Links the signature to an identifiable person and a controlled channel |
| Timestamp for every event | Establishes when the contract was formed and in what order parties acted |
| IP address per event | Corroborates that the signer was where they say they were |
| Authentication method used | Shows how much verification stood between the link and the signature |
| Document identifier or hash | Proves the file signed is the file you are holding, unaltered |
| Full event sequence from send to completion | Reconstructs sent, viewed, signed and completed as one narrative |
Two habits are worth building. Store the certificate in the same folder as the contract, because separating them is how evidence gets lost. And keep a copy outside the signing platform, since a lapsed subscription should never cost you your records. On checking a signature after the fact, see electronic signature verification.
Which contracts you cannot sign electronically
Section 103 of the ESIGN Act carves out categories where the electronic-signature rule doesn’t apply. These are federal categories, and states can add to them or treat them differently, so treat the list as a prompt to check rather than a final answer.
Categories that generally still need ink
- Wills, codicils and testamentary trusts
- Family law matters, including adoption and divorce
- Court orders, notices and official court filings
- Most of the Uniform Commercial Code, with narrow exceptions
- Notices of utility service termination, and default, foreclosure or eviction notices on a primary residence
- Cancellation of health or life insurance benefits
- Product recall notices and notices of a safety failure
- Documents that must accompany the transport or handling of hazardous materials and similar substances
Deeds and powers of attorney aren’t on the federal list, but many states attach witness or notary requirements to them, so check the state before relying on a plain e-signature. Notarization sits in its own category. Many states permit remote online notarization, but the rules and accepted platforms differ by state, and a contract that needs a notary needs one regardless of how the signature is captured.
Contracts that are routinely signed electronically
Almost every other contract type qualifies. Non-disclosure agreements, service agreements and statements of work, employment offers, vendor contracts, residential and commercial leases, sales and purchase orders, freelance agreements and partnership documents are all standard electronic signing territory. If your agreement isn’t in the list above and no statute governing it says otherwise, electronic signing is usually available.
For the requirements side of the same question, see requirements for an e-contract, and for a broader look at signing methods, how contracts are usually signed.
Choosing software for electronic contract signing
Electronic contract signing software looks the same at the surface. Every product lets you upload a file and collect a signature. Three inputs narrow the field fast: which kind of contract you send, how many people sign it and whether you need a free or a paid plan. The differences that matter sit one layer down.
What to check before you commit
- The audit trail it produces. Ask to see a real certificate from a completed document, not a feature bullet. Compare it against the table above and see what is missing.
- Authentication options. Email link only is the floor. Access codes, SMS codes and identity checks give you something stronger for high-value contracts.
- Signing order and multiple parties. Cheaper tools sometimes handle one signer only, or offer no sequencing. If your contracts involve three parties and an approval chain, test that before you buy.
- Templates and reusable fields. If you send the same NDA weekly, template support is the difference between two minutes and fifteen.
- What the plan actually includes. This is where buyers get caught. A low headline price often comes with a monthly send cap. Count how many contracts you send in a typical month before comparing tiers.
Where Signaturely fits
Signaturely is our own tool, so read this with that in mind. It’s built for teams that send contracts regularly and don’t want a platform with a procurement process attached. Upload a contract, place fields, set the signing order, send and get an audit trail with the completed file.
Signaturely’s published plans: Personal is $25 per month, or $240 per year, with 5 signature requests per month and 1 template. Business is $50 per month per user, or $480 per year per user, with unlimited requests and templates. A free account sends 1 document per month once the trial ends. If you send more than a handful of contracts a month, the request cap on Personal is what decides it, not the price gap. Current details are on the pricing page.
If you need repositories, renewal tracking and obligation management on top of signing, that’s a different product category, and we compare options in contract management software. To try the signing flow itself, start with an electronic signature on your next contract.
Frequently asked questions about electronic contract signing
These answers cover what readers most often ask before they send or sign a contract electronically.
Do both parties have to sign electronically?
A contract can be validly executed with one party signing electronically and the other in ink, and mixed-method signing happens often. It does make your records messier, because the audit trail only covers the electronic side. Keep the scanned wet-signed page and the certificate together. Our post on wet signatures covers when ink is still the better call.
Is a typed signature legally binding on a contract?
A typed signature can be legally binding on a contract. The ESIGN Act’s definition turns on intent, not on how the mark looks, so a typed name applied in a signature field with clear intent to sign is a valid electronic signature. A drawn signature isn’t legally stronger, but it can be easier to defend if someone argues later about who typed the name. More in is a typed signature legally binding.
Can you back out of a contract you signed electronically?
Only on the same grounds you could back out of a paper contract. The signing method has no bearing on it. Withdrawal depends on the contract’s termination clause, any statutory cooling-off period for that transaction type, and ordinary contract defenses such as misrepresentation or lack of capacity.
What file formats can you send for signature?
The standard file format for a contract sent for signature is PDF, and it’s the most predictable. Most platforms also accept DOC, DOCX and image formats, converting them on upload. Converting from Word can shift pagination and move field positions, so preview before sending. See also how to sign a PDF contract.
Does an electronically signed contract need to be notarized?
Only if the underlying document would have needed a notary on paper. Electronic signing doesn’t create a notarization requirement and doesn’t remove one. Where a notary is required, many states allow remote online notarization, but the rules and approved platforms vary, so check the requirements in the relevant state.
How long should you keep signed contracts?
At minimum for as long as the contract can still be enforced or audited, which is usually the term plus the applicable statute of limitations, and longer for tax or regulatory records. The ESIGN Act requires the record to stay retrievable and accurately reproducible for whatever period the law demands, so pick storage you can still read years from now. Background: electronic signature legality.
Are leases signed electronically?
Residential and commercial leases are routinely signed electronically, because a lease itself isn’t on the ESIGN Act’s exception list. Eviction and default notices on a primary residence are different and generally still need paper, and states can add rules of their own. Our guide to online lease signing covers the landlord side.
What is Docusign and how does it compare with Signaturely?
Docusign is one of the best-known e-signature platforms and runs the same basic flow described above: upload, place fields, send, collect signatures and receive a certificate. It’s built for larger enterprise workflows, while Signaturely targets small teams that want a lighter setup. Adobe Acrobat Sign and Dropbox Sign (formerly HelloSign) cover similar ground. Feature and price details are in our Signaturely vs Docusign comparison.
Can you sign a contract electronically for free?
You can sign a contract electronically for free, within limits. Signaturely sends unlimited documents during the trial and 1 document per month on the free account afterwards, and most free plans from other tools cap signature requests in a similar way. Count the contracts you send each month before relying on one, and see free document signing for the options.