Scope of Services
Describe services in specific terms, including any exclusions and measurable deliverables to limit scope creep and set clear acceptance criteria.
A concise, detailed engagement letter aligns expectations, documents authority, and supports billing and compliance obligations.
Each participant has different responsibilities—preparation by the provider, review by the client, and signature by an authorized representative finalize the engagement.
Describe services in specific terms, including any exclusions and measurable deliverables to limit scope creep and set clear acceptance criteria.
Specify fee basis (hourly, fixed, retainer), billing intervals, expense reimbursement, and late payment terms to avoid invoice disputes.
List key milestones, delivery dates, reporting cadence, and who is responsible for required inputs from the client.
State confidentiality obligations, permitted disclosures, and any carve-outs for legal or regulatory disclosures.
Limit liability where allowable, include disclaimers for third-party reliance, and define indemnity obligations between parties.
Explain termination rights, notice periods, effect of termination on fees, and the procedure for amending the letter.
| Field | Configuration |
|---|---|
| Authentication | Email link, SMS code, or KBA as required |
| Templates | Reusable templates for standard engagement terms |
| Signer Order | Sequential or parallel signing as needed |
| Notifications | Reminders and completion emails to signers |
Ensure record retention and access controls meet regulatory and internal recordkeeping policies after execution.
| 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 | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |
| Envelope Cap | No cap | 100 envelopes/user/year | Varies by plan | Varies by plan | Varies by plan |
Date when obligations and fees commence
Specific dates or windows for each milestone
Monthly, milestone, or upon delivery as specified
Advance notice period for renewal or nonrenewal
From effective date or final invoice date
Agree scope, fees, and terms with client before work begins
Obtain signatures and set up project access and timelines
Provide deliverables and capture client acceptance or revisions
Issue final invoices and archive executed documents
| Document Type | Engagement Letter | Retainer Agreement |
|---|---|---|
| Primary Purpose | define scope and fees | define ongoing relationship |
| Payment Structure | project or milestone billing | advance retainer billed against work |
| Formality | moderate, specific tasks | more formal, ongoing services |
| Termination Terms | shorter notice options | often longer notice or drawdown rules |
Provide a PDF final version for archiving and notarization compatibility.
Keep an editable DOCX master for future amendments and template reuse.
Attach schedules, fee tables, and scope exhibits as numbered appendices.
Combine the executed letter with the audit trail and signer certificate for retention.
A regional CPA firm documents a quarterly review engagement
A wealth manager prepares an investment management engagement
A CPA partner or authorized manager signs on behalf of the firm, confirming scope, professional standards to be followed, and acceptance of engagement responsibilities in two to three sentences.
A client’s authorized representative (e.g., CFO or controller) signs to accept terms, confirm authority to bind the entity, and acknowledge billing and confidentiality provisions in two to three sentences.