Outsourcing accounts to the professional is a great choice as you will not needed to hire a full time in house accountant as it will be very costly for starters.
Accounting services provider are professionals and have a dedicated team of experts. Talk to an accounting firm that provides this service and they will walk you through the process. Every firm may have different procedures, but it should generally always include a discussion of the scope of the work you will have done by the outside firm.