In reference to your application

In regard to your proposition

In reply thereto, we wish to inform you

In reply to your valued favor

In response to your recent request

In spite of our best efforts it is not probable

In thanking you for the patronage with which you have favored us

In view of all these facts, we feel justified in claiming

Information has just reached me

It gives us pleasure to recommend

It has consistently been our aim to help our customers

It is a matter of great regret to us

It is a pleasure for me to answer your inquiry

It is a well known fact

It is interesting to note

It is our very great pleasure to advise you

It is the policy of our house

It seems clear that our letter must have miscarried

It was purely an oversight on our part

It will be entirely satisfactory to us

It will be our aim to interest you

It will be readily appreciated

It will be to your advantage

It will doubtless be more convenient for you

It will interest you to know

It will receive the same careful attention

J

Just mail the enclosed card

K

Kindly endorse your reply on the enclosed sheet

Kindly let us have your confirmation at your earliest convenience

Kindly let us know your pleasure concerning

Kindly read the enclosed list

L

Let me thank you for the opportunity
to give this matter my personal attention

Let us assure you of our desire to cooperate with you

Let us assure you that we are very much pleased

Let us know if there is any further attention

Let us thank you again for opening an account with us

Looking forward to the early receipt of some of your orders

M

May I ask you to do us a great favor by

May we be favored with a reply

Meantime soliciting your forbearance

Meanwhile permit me to thank you for your kind attention

O

On referring to your account we notice

Our letter must have gone astray

Our relations with your house must have hitherto been very pleasant

Our services are at your command

Our stock has been temporarily exhausted

Owing to our inability to collect out-standing debts

P

Permit me to add

Permit us to express our sincere appreciation