Parties
Full legal names and contact details for the client and the law firm or attorney making the agreement, matching the original engagement.
A written retainer increase creates a clear, dated record of client consent and the revised fee arrangement to reduce disputes and support billing practices.
Typical users include law firms, in-house counsel, and clients who need to adjust fee deposits for ongoing matters.
Use the form when the parties agree to change the retainer amount so that billing, trust accounting, and conflict checks remain accurate.
Full legal names and contact details for the client and the law firm or attorney making the agreement, matching the original engagement.
Exact new retainer total and any incremental amount being added; specify currency and rounding rules if needed.
The date the increased retainer takes effect and whether it applies prospectively or retroactively to billed services.
Any change to the scope tied to the increase, such as expanded matter coverage or a change in billing rate assumptions.
Accepted payment methods, deadlines for depositing funds, instructions for trust account allocation, and refund conditions.
Signature blocks for authorized signers, date lines, and an authentication method (notary, witness, or eSignature with audit trail).
| Field | Configuration |
|---|---|
| Required Fields | Make names, amount, date, and signature required. |
| Authentication | Use email+SMS or stronger ID verification as needed. |
| Notifications | Enable signer reminders and completion alerts. |
| Storage | Save PDF/A with audit trail to client folder. |
Use secure file formats and an eSignature platform that supports audit trails, encryption, and integrations with billing systems.
Select platform settings for signer authentication, document retention, and export formats that match your compliance and recordkeeping policies.
Date retainer increase takes legal effect
When client must deposit added funds
Final date for collecting signed consent
When trust ledger will be updated
Allow 1–3 business days for bank posting
| Criteria | Retainer Increase | Engagement Amendment |
|---|---|---|
| Notarization Needed | rare | rare |
| Alters Scope | sometimes | often |
| Requires Consent | ||
| Accounting Impact | trust ledger update | trust ledger update |
| signNow | DocuSign | Adobe Sign | PandaDoc | HelloSign | |
|---|---|---|---|---|---|
| Starting Price | $8/user/mo | $15/user/mo | $14/user/mo | $19/user/mo | $15/user/mo |
| Free Trial | 7-day free trial | Varies by plan | Varies by plan | Varies by plan | Varies by plan |
| Bulk Send | Yes (premium) | Varies by plan | Varies by plan | Yes (varies) | Varies by plan |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Varies by plan | Varies by plan | Varies by plan | Varies by plan |
Optica needed faster fee updates during rapid transaction cycles.
Martin Properties increased a retainer during a property closing.