Do It All Yourself?

If you have little to do, it's not much of a problem. However, if you're busy... this is not feasible at all.

Finding new staff?

Finding good people is difficult and rare, not to mention the cost of training them.

Even if you do find the perfect person, that would mean you are relying on one individual.

Hire an agency?

Speak to random people in different locations where English is not their first language.

Lets not even talk about the tens of thousands of pound it would cost you. ​