お力になれれば幸いですの英語

I should be happy to be of any service [help] to you.

I would be glad of your help.

I hope he will be of some help.

I hope she will be of some help.

I hope I can be of assistance.

I hope this helps.

I hope this will be of some help.

I hope you find that information helpful.

Please let me know if you need further assistance.

We ask for your cooperation.

to prove useful―prove of service―stand one in stead

to put anything in requisition―call anything into requisition―（ご用立ての意味なら）―place anything at one's service―place anything at one's disposal

effectiveness of matter (be useful)

be of use

be helpful or useful

to be useful―of use―serviceable―of service―good for something―to come in useful―serve one's purpose―prove of service―render service―stand one in stead

be of service

You may go if you choose.