Highland Council is considering taking over closed bank buildings and saving local services amid growing fears over the impact of axing branches.
The threat to thousands of rural cash machines will be investigated by MPs next week.
Three petitions against RBS bank closures in the Highlands has been lodged at Westminster.
RBS chief executive Ross McEwan has been accused of showing “contempt” for customers after brushing off MPs’ appeals to reconsider closures.
RBS chief executive Ross McEwan will be be grilled by MPs today over the decision to close one in three of Scotland’s RBS branches.