Keynote Systems Corp. is an Information Technology (IT) services firm, specializing in providing online business technology, payroll services, billing software and advanced accounting systems for a variety of businesses. Based in Amherst, N.Y., the company serves customers throughout New York and across the United States. Its IT technical support services division specializes in law office systems and also offers expertise in areas, including anti-virus, anti-spyware and data security systems, disaster recovery and consulting. Some of the firm s payroll services include cost responding, paycheck tax calculation, custom branded paychecks, workers compensation and automatic paycheck deductions.