This paper analyses the communication carried out by IBEX35 companies in crisis situations in order to determine the mechanisms that try to favour dialogue between organisations and their stakeholders. The sample is made up of the tweets that include the word covid and that have been issued by the 27 IBEX 35 companies that had verified corporate profiles on the Twitter social platform during the first 6 months of the COVID-19 pandemic in Spain. Taking into consideration the dialogic principles established by Kent and Taylor (1998), which were adapted by Rybalko and Seltzer (2010) for Twitter, an adaptation was made to establish indicators to apply to the conversation established on the platform. To analyse the differences in interaction, the t-test for independent samples and the one-factor ANOVA were used. The results show that companies maintain an interest in engaging with their audie...