[Your Name] [Your Address] [City, State, ZIP] [Date] [Recipient's Name] [Recipient's Address] [City, State, ZIP] Subject: Collection Notice for Unpaid Bill Dear [Recipient's Name], I am writing to inform you that we have recently conducted a review of our records and have noticed that you have an outstanding bill with [Your Company Name] in the amount of [Amount Due]. Despite multiple attempts to remind you about the payment and provide you with ample time to settle the bill, there has been no response or payment received from your end. As a responsible business, we strive to work with our customers and ensure that all financial obligations are met in a timely manner. It is crucial for us to receive payment promptly in order to maintain the efficiency and reliability of our services. We understand that unexpected difficulties may arise, leading to temporary financial constraints. If you are facing any such circumstances, we encourage you to contact our office as soon as possible to discuss possible arrangements. Enclosed with this letter, you will find an itemized summary of your outstanding bill, which includes the invoice number [Invoice Number], the date of the invoice [Invoice Date], and a detailed breakdown of the services or products provided. Please review this information carefully and contact us to resolve this matter within [Payment Due Date] to avoid any further consequences. We offer several convenient payment options to make the settlement process as smooth as possible. You can choose to make a payment online through our secure payment portal at [Website], or you can send a check or money order payable to [Your Company Name] to the address mentioned above. Ignorance of this letter or failure to respond within the specified timeframe will leave us with no choice but to proceed with escalated actions, which may include reporting the overdue account to credit bureaus or taking legal measures. We strongly believe in maintaining positive relationships with our customers, and we hope that this matter can be resolved amicably. If you have any questions or concerns regarding this notice, please do not hesitate to contact us at [Your Phone Number] or via email at [Your Email Address]. Thank you for your immediate attention to this matter. We look forward to receiving your prompt payment and resolving this issue promptly. Sincerely, [Your Name] [Your Title] [Your Company Name]