There have been several previous models developed to understand the acceptance of technologies, with the Theory of Reasoned Action-TRA (Fishbein and Ajzen, 1975), the Technology Acceptance Model-TAM (Davis, 1985), and the Theory of Planned Behaviour -TPB (Ajzen,1991). Standing out as the most accepted. Starting from them, and integrating other models previously developed (TAM2 - Venkatesh andDavis, 2000), the Unified Theory of Technology Adoption and Use of Technology, or UTAUT (Venkatesh et al., 2003), a model is born as an integrating answer to explain the acceptance of technologies by companies.