\documentclass{beamer}
\usepackage[utf8]{inputenc}
\usepackage{svg}
\usetheme{Berkeley}
\usecolortheme{seahorse}

\title{Extended school intership at \textit{Agomir S.p.A.}}
\author{Claudio Maggioni}
\institute{I.I.S. A. Badoni}
\date{Tesi di maturità, A.S. 2017-2018}
\logo{\includesvg[height=1cm]{../images/logo}}

\begin{document}
 
\frame{\titlepage}

\begin{frame}
  \frametitle{\textit{InteGRa Mobile}}
  \centering
  \includegraphics[width=0.3\textwidth]{../images/soggetti.png}
  \includegraphics[width=0.3\textwidth]{../images/inv-test.png}
  \includegraphics[width=0.3\textwidth]{../images/agenda.png}
\end{frame}

\begin{frame}
  \frametitle{Sample frame title}
  This is a text in first frame. This is a text in first frame.
  This is a text in first frame.
\end{frame}

\end{document}