E-Signature for Financial Services

An independent adviser spends 4.2 hours a week on administrative work, according to Kitces Research, and chasing signatures is part of that. The fix is simple for most paperwork: e-signature for financial services is legal for nearly every client document you send, as long as you know the handful of exceptions.

This page is for independent advisers, tax and accounting practices, and small finance firms. It lists which documents you can e-sign and which you can't, the IRS and FINRA rules that apply to them, and what a year of signing costs on SignWith against a per-seat plan.

Which financial documents can you sign electronically?

You can sign most financial services documents electronically, because the federal ESIGN Act says a contract or record "may not be denied legal effect, validity, or enforceability solely because it is in electronic form". The table covers the documents a small practice sends most, including the ones the law or the IRS treats differently.

The two rows marked "depends" for the IRS are the ones practices get wrong. A signed W-9 is simple to do electronically, but Forms 8879 and 2848 come with IRS-specific conditions.

Where does paperwork break in a small finance practice?

Paperwork breaks in three places: the adviser's week, the client's patience, and the firm's controls. Here is what the research says, with the source for each number.

• Admin eats the week. Kitces Research found advisers spend 4.2 hours a week on administrative tasks and "barely 20% of their time actually meeting with clients" (March 2019).
• Back-office work outweighs client time. A later Kitces study put client meetings at about 20% of working time, against 45% on behind-the-scenes tasks (September 2022).
• Clients abandon forms. MX, which sells account-opening software to banks, reports that "68% of consumers abandoned their online applications for financial services" (April 2024). Treat it as a vendor figure.
• Forged e-signatures are a supervision problem. FINRA's Regulatory Notice 22-18 (August 2022) warned member firms that allow digital signatures to have "adequate controls to detect possible instances of signature forgery or falsification".

None of these is solved by software alone. What e-signing removes is the print, sign, scan and chase loop around each form.

How does a client sign a financial document with SignWith?

A client signs in the browser on any device, with no account, after entering a one-time code sent to their email. Here is the whole workflow for an engagement letter going to a married couple, both of whom need to sign.

1. Upload the finished letter as a PDF, JPEG or PNG.
2. Add the fields: a signature and a date for each spouse, plus a checkbox or text field where you need one.
3. Add both recipients and set the signing order, so the second spouse gets the letter only after the first has signed.
4. Send it. Each signer enters the code from their email, then signs.
5. Track it as sent, opened, viewed and completed, and file it in a folder per client.
6. Everyone gets the signed copy by email, with the Certificate of Completion.

This 54-second walkthrough shows the same send flow in SignWith.

How to Send a Document for Signature with SignWith

What does e-signing cost a small practice for a year?

For a solo adviser or a two-person tax practice, paying per signed document costs far less than per-seat plans, because a practice's volume is small and uneven. The math below uses two stated assumptions and DocuSign's US prices as listed in September 2026.

• Solo adviser: 5 signed documents a month, 60 a year.
• Two-person tax practice: 96 clients, the Kitces average for an experienced lead adviser, each signing about one and a half documents a year. That is an assumption, not survey data: 144 documents a year, or 12 a month on average.

DocuSign prices and envelope limits checked September 2026 on DocuSign's US pricing page, before tax.

DocuSign's plans also renew on their own: its pricing FAQ says "your subscription will automatically renew each month for monthly plans, and each year for annual plans."

On SignWith there is no subscription. You buy credits, and a credit is used only when a document is signed. Packs stay valid for 12 months, which suits tax season spikes, and the Lifetime Deal is $149 one-time and never expires.

Are e-signatures legally binding for financial documents?

Yes, for most financial documents, e-signatures are legally binding in the US under the ESIGN Act and state laws based on UETA, with the exceptions in the table above. Here is what SignWith provides and what each regulator adds on top.

• SignWith's email OTP verification, consent record, signing record and audit trail are designed to support the requirements of the ESIGN Act and UETA.
• Every completed document comes with a Certificate of Completion that records timestamps, IP addresses, device and browser details and email events, sealed with a SHA-256 hash.
• ESIGN consumer consent: when a law requires information to be given to a consumer in writing, you may deliver it electronically only if the consumer "has affirmatively consented to such use and has not withdrawn such consent" (15 U.S.C. 7001(c)).
• FINRA: Regulatory Notice 11-19 says FINRA "will consider a valid electronic signature to be any electronic mark that clearly identifies the signatory and is otherwise in compliance with" the E-Sign Act.
• IRS Forms 8879 and 8878: the IRS FAQ says "Identity verification must be completed every time a taxpayer electronically signs Form 8878 or 8879", except in person with a multi-year client.

One honest limit: Signers verify their identity with a one-time passcode sent to their email. That is not the knowledge-based identity check the IRS expects for a remote Form 8879, so sign 8879s inside your tax software and use SignWith for the letters and forms around them.

This 51-second video shows what the Certificate of Completion records.

SignWith Certificate of Completion and Audit Trail Explained

When is SignWith not the right fit for a finance firm?

SignWith is built for simple signing with no subscription and no hidden fees, so a firm whose paperwork runs through systems and teams should pick a bigger tool. Choose an alternative if any of these is true today:

• You send the same forms at volume. Templates and bulk send are coming soon on SignWith, not live.
• Several advisers or preparers need their own logins and roles. Team accounts are coming soon.
• Signing has to happen inside your CRM, custodian portal or tax software. Integrations and the API are coming soon.
• You need automatic reminders to chase unsigned forms. Reminders are coming soon.
• Your compliance team requires a vendor with SOC 2 or a HIPAA business associate agreement. DocuSign's pricing page lists SOC 2 Type II on every eSignature plan and HIPAA support through a BAA on its Enhanced plans, through sales (checked September 2026).

If your business needs HIPAA or SOC 2, go with them. If you just need your business documents signed without paying extra for that, use SignWith.

How do finance professionals use SignWith?

The first story is a real customer quote from the SignWith homepage, word for word. The second is an example scenario, not a customer, written to show the adviser workflow.

The quote shows the pattern this page is built on: two documents, signed when needed, with nothing to pay between them.

E-signature rules vary by country, state and document type, so check with a legal professional that an e-signature suits your specific agreement before you rely on it.