Phrases for politely asking someone to wait

Asking someone to wait

This is quite informal. You could use it with friends, colleagues or classmates.
"Wait a sec while I find the file"

This is also quite informal.
"Give me a moment to think about that".

This is more formal and polite, suitable for use in a customer-facing role.
"Would you mind waiting for just a second while I pull up your details?"

Would you mind waiting for just a second?

This is quite formal and less friendly, but could be used with a customer on a phone call.
"Please wait a moment while I transfer you".

This is more formal and polite, expressing that you don't wan't to cause inconvenience.
"Please bear with me, my internet is a bit slow today".

This shows appreciation for their patience.

Again, this shows appreciation for their patience.

This informal, humourous way to ask someone to wait, especially if you are in the same place and you need to go and get something.
"Don't go anywhere! I'll be right back!".

This is more informal too, but could also be used at work.
"Hold on one second please, I'm just going to check my calendar".

Bonus British English phrase :)
"I'll be with you in a jiffy, I'm just finishing my tea".