Please accept my apologies for the delayed response.
Kindly accept my sincere apologies for the delay in replying to your e-mail.
My sincerest apologies for not getting back to you about (THE REASON FOR YOUR EMAIL) sooner.
Sorry for the late response.
Thank you for your patience while I was working on (THE REASON TO DELAY THE RESPONSE) I sincerely apologise for the delay in response.
I understand that you would have preferred an earlier response to your inquiry, but your request required some time.
I am really sorry for the delay in responding to this.
I apologise for the delayed response. I was out for a few days due to health issues.
Once again, please accept our sincere apologies for causing you such inconveniences and delaying you so much in time.
Sorry for the delay in coming back to you, it has taken time for me in order to clarify the issues within our departments.
Please note that we are a bit high overloaded nowadays and maybe there will be some delays in the response.
I am apologizing in advance!
Please accept our apologies for the delays caused by some internal re-organizations.
First of all, please accept my apologies for the delay in coming back to you.
The recent acquisitions and internal re-organizations have led to an exceeded workload and a backlog at our end.
We appreciate your business and we apologize for the late response. This is an unexpected delay due to our workload but please note that this will not happen again.
Please forgive us for this delay caused by some internal re-organizations. Any delays are certainly unintentional and regrettable. We have taken actions to clear this issue and it’s not going to happen again.
I am extremely sorry for the late response. I had issues with my Outlook and I just received your email.
I was very busy today and finally now I found time to reply my emails. Really sorry about that.
First, sorry for the late answer. It’s a busy week and every time I go to answer you, I get distracted with new tasks.
On the behalf of the company, please accept our apologies for the delay in response. Our company was on an annual general meeting last day.
We apologize once again for the delay in payment and we can assure you that we will do our best in the future to avoid such annoying omissions.
I haven’t seen your email sent on 05.05.2021. It’s been past almost a month, but I hope you’re still interested in the topic. Please let me know and I will provide you with the necessary information.
After a whole month in my mailbox, I just came across your email. I apologize a lot for the occurred unpleasant situation, because of my fault. I am sending you the requested information now and hopefully this delay will not reflect on our mutual business relationship.
I’m sorry that it took me so long to answer. I was away for a few days.
Due to the recent acquisition, we had a big backlog and we respond to emails with a little delay. We hope you understand.
My reply was delayed due to the delayed receipt of your message from our support. The team is currently reduced and we from the sales department receive your messages later.
I’m so sorry for the late reply. I wish I could have get back to you sooner.