According to state law, each company must have a complete accounting records, which are used to help businesses sustained, rapid and healthy development, so companies must have a professional accountant who own businesses related to accounting calculations, but small and medium sized businesses to hire full-time or part-time accountant accountant, then spend the cost to train, and there is the possibility of brain drain, in addition, will have to pay a monthly fee for the job. If companies do not hire a full-time accountant hired bookkeeping company, then only need to pay a one-time fee, you can not spend a lot of the cost of training can also enjoy a number of professional accountants quality of service, and do not worried about the loss of personnel. It can be said bookkeeping firm to hire for corporate management and taxation aspects of things, to pay the cost of a small, but big benefits obtained.