Consulting & Professional Services Reminder

Dear {clientName},

I trust this message finds you well and that the {projectName} initiative continues to progress smoothly.

I am writing to follow up on invoice #{invoiceNumber} for consulting services rendered during {billingPeriod}. According to our records, this invoice remains outstanding.

ENGAGEMENT SUMMARY: ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Client: {clientCompany} Project: {projectName} Phase: {engagementPhase} Invoice: #{invoiceNumber} Period: {billingPeriod} Amount: {currency}{amount} Due: {dueDate} ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

WORK DELIVERED THIS PERIOD: • Strategic assessment and current-state analysis • Stakeholder interviews and workshop facilitation • Implementation roadmap development • Executive presentation and recommendations

A detailed breakdown of hours by team member and activity is included with the invoice. All deliverables have been submitted and reviewed with your team.

Please process payment at your convenience: {paymentLink}

If this invoice is pending approval or routing through your accounts payable process, I would appreciate an update on the expected payment timeline. Should you require any additional documentation—such as a detailed activity report, expense receipts, or alternative invoice format—please let me know.

Per our engagement letter, timely payment ensures continued resource allocation for the upcoming phases of this important initiative.

I look forward to our continued partnership and the successful completion of this engagement. Please don’t hesitate to reach out if you’d like to discuss the project progress or have any questions about the invoice.

Best regards,

{yourName} Engagement Partner {firmName} {phone}

CC: Accounts Payable