The concept of innovation is considered in the current literature, by various researchers and academics, not only as a fundamental variable that allow a significant growth and development of companies, mainly for small and medium enterprises, but also as a business strategy that allow survival of businesses.However, innovation in the service sector is a topic not widely analysed and discussed in the current literature, even though at present time more researchers and academics are interested in innovation and are publishing more theoretical and empirical research about this area. In consequence, the main objective of this empirical investigation is to analyse innovation activities in services, processes and management systems for services. The results obtained demonstrated that services innovation, processes innovation and management systems innovations are appropriate factors to measure service innovation activities in small and medium enterprises.
JEL classification numbers: M310
Keywords: Service innovation, innovation, small business.