During this autocomplete technique, autocomplete results for data-entry information from a user are ranked based on financial-transaction histories of a group of entities and the user, where the group of entities and the user belong to a common business cohort. In particular, the business cohort may include entities that: are located proximate to the user, have a similar size as a business associated with the user (such as a similar number of employees and/or similar revenue), and/or occur frequently in a financial-transaction history of the user (and don't occur frequently in the financial-transaction histories of the group of entities). The ranking may be used to increase the accuracy or relevance of the autocomplete results to the user. For example, the ranking may give preference in the autocomplete results to entities in the group of entities (relative to other entities, such as those in different business cohorts).