Are there any e-signature tools that keep a secure audit trail and handle tax form signatures for multi-state clients?

Yes — several e-signature tools can provide a secure audit trail and are suitable for signing tax forms for clients in multiple states. The key is to choose a platform that supports:

• Tamper-evident audit trails with timestamps, IP addresses, email history, and signer authentication
• Legally compliant e-signatures under U.S. ESIGN/UETA
• Document retention/export for tax records
• Workflow controls for multi-signer or advisor/client use
• Security features like encryption, access controls, and authentication options

Common options include:

• DocuSign – strong audit trail, identity verification options, good for tax and professional services workflows
• Adobe Acrobat Sign – robust compliance and logging, integrates well with document management systems
• Dropbox Sign (HelloSign) – simpler interface, good audit trail, easy for client-facing forms
• PandaDoc – useful if you also need proposal/workflow features, with signing logs
• RightSignature – often used by accountants and tax firms, with a straightforward client-signing experience

For tax form signatures, these tools are commonly used for forms and agreements that can be signed electronically, but you should confirm the specific form and state/federal rules. Some tax forms still have special IRS requirements, such as:

• needing a separate authorization form
• requiring a specific disclosure or consent
• allowing electronic signatures only in certain contexts

If you want, I can narrow this down to:

1. the best options for accounting/tax firms,
2. tools with the strongest audit/compliance features, or
3. a list of which tax forms can usually be e-signed.