Briefcase
AI-native bookkeeping automation for accountants.
Briefcase applies multimodal AI to capture, categorize, and reconcile transactions and automate month-end journals. Accounting teams leverage embedded VAT-compliance rules, duplicate detection, and audit logs to close books faster and more accurately—on any chart of accounts.
Founders
Reuben Steenkamp
CEO
Reuben graduated top of his class at the University of Oxford, was a leading analyst at Goldman Sachs, and drove innovation in the accounting team at Starling Bank.
Jan Stehlík
CTO
Ján is a startup engineering leader who built and led pre and post-PMF teams at Gousto, DAZN, and Snyk. Most recently at Nous, he was among the first to leverage LLMs to automate invoice extraction, a key technology behind Briefcase.