Definition: An omnibus survey is said to be a regular survey, such as a barometer carried out from a sample of people defined in advance and permanent. Its specificity lies in the sharing of its cost between several companies sponsoring the survey (example: two advertisers and a medium). Everyone can ask the questions they want and also benefit from the exclusivity of the results obtained. This survey method will, for example, allow small businesses to access a very representative panel (around 1000 people) that they cannot consult if the costs are not shared.