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You do not need to know which service you need. Describe what you are trying to achieve, or what is not working, and we will come back with what we would do about it.
Three things people hesitate over, answered.
A paragraph about what is not working is plenty. Working out what it needs is the job, not your homework.
If what you need sits outside what we do well, we will tell you, and point you somewhere better where we can.
We do not publish prices because the right answer depends on what the work actually is. We will not guess at a number to get a meeting.