Solved it by using a helper: app/helpers/companies_helper.rb:
module CompaniesHelper
def t_att(model, attribute)
t("activerecord.attributes.#{model}.#{attribute}")
end
end
so in the view you can use
<p>
<%= t_att(:company, :branch) %> :
<%= company.branch %>
</p>
So you get Branche : xyz