SIMPSON THACHER & BARTLETT LLP

SIMPSON THACHER & BARTLETT LLP is a legal services firm providing expert counsel on complex regulatory, transactional, and compliance matters for government entities and contractors. Its core capabilities center on federal contract law, procurement litigation, bid protest representation, and regulatory advisory services, with deep specialization in FAR and DFARS compliance, debarment and suspension defense, and government contracting dispute resolution. The firm supports clients through strategic legal structuring of federal awards, integrity reviews, and internal investigations, ensuring alignment with evolving federal procurement standards and ethical governance frameworks. Its differentiation lies in high-stakes litigation readiness and nuanced understanding of administrative law processes unique to federal acquisition. Award history does not include sufficient data to identify specific agencies or contract types, and no recent awards are available for review. Consequently, no definitive patterns of agency engagement can be inferred from the provided information. The primary NAICS code, 541110, reflects legal services, indicating the firm operates within the professional, scientific, and technical services sector, delivering advisory and representation services rather than technical or operational deliverables. Its market positioning is that of a specialized legal advisor to government contractors and public sector entities navigating complex regulatory environments. The firm is structured as a limited liability partnership (2K) and is headquartered in New York, NY. It holds no government certifications such as 8(a), HUBZone, or WOSB. Its presence is anchored in the legal services market supporting federal procurement ecosystems, with no indication of physical or operational footprint beyond its primary location.