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Sign engagement letters, tax authorizations, and financial documents online in seconds. Legally binding under the ESIGN Act. Free for up to 3 documents per month.
Tax season is stressful enough. Stop wasting hours chasing paper signatures. SignBolt lets your clients sign from their phone in under a minute.
Sign a Document FreeFrom client onboarding to tax filing, these are the documents accountants sign most often — and the ones that benefit most from going digital.
Send new-client engagement letters and get them signed the same day. No more waiting for physical mail or scanning signed copies.
IRS Form 8879 authorizes e-filing of individual returns. Collect client signatures electronically to speed up your filing workflow.
Sign off on compiled, reviewed, or audited financial statements and share them securely with clients and stakeholders.
Circulate audit confirmation requests to banks, vendors, and clients. Collect responses faster with e-signatures.
Obtain management's written representations as required by auditing standards, signed and returned in minutes instead of days.
Authorize representation before the IRS. Clients sign Form 2848 from their phone or laptop — no office visit required.
Built for professionals who need a fast, affordable, and compliant way to get documents signed — without the enterprise price tag.
During crunch time, every hour matters. E-signatures eliminate the back-and-forth of printing, mailing, scanning, and filing. A document that used to take 3 days to get signed now takes 3 minutes.
Your clients are busy too. Let them sign engagement letters and tax authorizations from their phone while sitting on the couch. No printer, no scanner, no stamps.
Every signature includes a timestamp, IP address, and document hash. This creates a defensible audit trail that meets IRS requirements and professional standards.
DocuSign charges $25/month per user. For a small firm with 3 accountants, that's $900/year. SignBolt's Pro plan is $8/month — or free for up to 3 documents per month.
Free plan covers 3 documents per month — enough for sole practitioners
Clients sign from any device without creating an account
Full audit trail with timestamps and IP addresses for compliance
Legally binding under the ESIGN Act and UETA
Get Form 8879 signed in minutes instead of days during tax season
Works on mobile — clients sign from anywhere
75% cheaper than DocuSign for growing firms
No long-term contracts — cancel anytime
Four simple steps. No software to install, no account required for your clients.
Upload any PDF — engagement letters, tax forms, financial statements. Drag and drop or browse your files.
Click anywhere on the document to place your signature. Add date fields, initials, or text fields as needed.
Draw your signature, type it, or upload an image. Your signed PDF is ready to download and share immediately.
Share the signed document with your client via email. They can countersign using the same simple process — no account required.
Every January through April, accounting firms face a tidal wave of documents that need client signatures. Engagement letters for new clients. Form 8879 authorizations for every tax return you e-file. Extension requests. Estimated payment vouchers.
The old way: print the document, mail it to the client (or ask them to come to the office), wait for them to sign it, get it back, scan it, file it. That process can take 3–7 days per document. Multiply that by hundreds of clients and you're looking at weeks of wasted time.
With SignBolt, you upload the PDF, your client gets a link, they sign on their phone in 30 seconds, and you have the signed document back immediately. That same 3–7 day process now takes 3 minutes.
Our Pro plan at $8/month gives you 50 documents — enough for most small firms during tax season. And unlike DocuSign at $25+/month per user, SignBolt won't break your budget.
Electronic signatures are legally binding in the United States under the ESIGN Act of 2000 and the Uniform Electronic Transactions Act (UETA). The IRS has also expanded acceptance of e-signatures for many tax forms, including Form 8879.
SignBolt provides a complete audit trail for every signed document, including the signer's IP address, timestamp, and a cryptographic hash of the document. This ensures that your signed documents are defensible and tamper-evident.
For more details on e-signature legality, see our ESIGN Act compliance guide.
$0
3 documents/month
Perfect for sole practitioners who sign a handful of documents each month.
$8/mo
50 documents/month
Ideal for small firms during tax season. 75% cheaper than DocuSign.
$24/mo
Unlimited documents
For larger firms with high-volume signing needs year-round.
Join thousands of accountants who've switched to SignBolt. Sign your first document in under a minute — completely free.