It is obvious that you will have to share your business details and that of your clients and customers with your IT outsourcing company. Also, because of the nature of their services, your chosen IT support company will gain access to confidential data of your company. However, the only discretion is to limit the extent of details they can access. Thus, you have to make a list of confidential information that you will want your outsourced partner to access, and furthermore, keep a check on the initiatives the company will undertake to assure the confidentiality of your customer data and business information.
IT outsourcing, if used appropriately, can be beneficial for all types of business. With the right service provider, a business can free up its resources and moreover, focus on what matters the most. The bottom line, however, is that you must research well and consider the aforementioned factors carefully for a more informed decision.