Emphasize the client-facing work you've done that most closely resembles in-house practice: secondments, strategic client relationships, cross-functional project work, and business-focused advice. In-house roles value practical judgment and the ability to work closely with business teams — demonstrate that you've advised business clients, not just litigated or drafted in isolation.

Reference transaction types, dollar values, and your specific role. 'Led legal work for 3 acquisitions totaling $80M over 2 years, including due diligence coordination, purchase agreement negotiation, and post-closing integration' shows end-to-end transactional capability. If you've built deal templates or playbooks used across transactions, that organizational contribution is also worth noting.

Secretary to the board of directors function, board minutes, governance policy development, and regulatory disclosure work are corporate secretary responsibilities often handled by legal. If you've served as corporate secretary or board secretary, note that explicitly — it signals governance experience that's valuable for public company and regulated entity in-house roles.