Disclosed are various embodiments for automated document processing. A linked provider associated with a transaction record is identified. A submission template for the linked provider is then identified, the submission template specifying how to complete a submission using transaction data from the transaction record. Transaction data is then obtained from the transaction record. A submission is then completed based at least in part on the submission template and using the transaction data. Finally, the completed submission is then sent to a provider service associated with the linked provider.