How to Reply to a Client Angry About a Mistake

A client believes a mistake was made and is angry about it.
You need to respond professionally without escalating or over-explaining.

Below are three ready-to-send email replies you can copy and use immediately.

The examples below are shortened versions. The full library includes extended, context-specific variants for similar situations.

1) Calm reply

Hello [Name], Thank you for your message. I understand your concern and want to review the details carefully. I’m looking into this now and will follow up shortly with an update and next steps. Best regards, [Your name]

2) Firm reply

Hello [Name], Thanks for flagging this. I’d like to review the specific details so we can address it accurately. I’ll follow up shortly once that review is complete. Regards, [Your name]

3) Short reply

Hello [Name], I’ve received your message and I’m reviewing this now. I’ll get back to you shortly with an update. Best, [Your name]
Rule: stay factual, avoid blame, and move toward the next step.

Get the full professional reply library