RUI Pena, Arnaut & Associados - Sociedade De Advogados, SP, RL

RUI Pena, Arnaut & Associados - Sociedade De Advogados, SP, RL, doing business as CMS RUI Pena & Arnaut, is a Portuguese law firm based in Lisbon that provides human resources and labor law legal services to the U.S. Department of State as a prime contractor under full-and-open competition, with no set-aside designations across its federal footprint.

The firm operates as a partnership or limited liability partnership and competes exclusively as a prime contractor (100% of awards) with no subcontract activity. All but one of its 35 federal awards derive from the Department of State's Bureau of European and Eurasian Affairs, which has maintained a sustained contracting relationship with CMS RUI Pena & Arnaut since fiscal year 2020. The Bureau accounted for 34 awards totaling $2 million in combined potential value, with a single $98 thousand award from the Overseas Private Investment Corporation. The firm's capability portfolio centers on Portuguese labor law expertise and human resources legal advisory services to support U.S. diplomatic operations in Portugal and the broader European and Eurasian region. Recent representative work includes a $31,042 delivery order awarded February 12, 2026, a $30,287 delivery order awarded November 20, 2025, and a $36,642 delivery order awarded September 17, 2025 — all for general HR legal task orders under the Bureau's indefinite delivery contracts.

CMS RUI Pena & Arnaut holds five active indefinite delivery contracts with the Bureau of European and Eurasian Affairs, with the most recent single-award IDC awarded September 15, 2025, carrying a $183,000 ceiling through September 14, 2026. Prior IDCs show ceiling values ranging from $109,821 to $127,500. Task orders issued under these vehicles typically represent 250 hours of general HR legal services in the $25,000 to $36,000 range per order. The firm's top parent vehicles are indefinite delivery contracts 19P05024D0004 (6 task orders, $214 thousand), 19P05018D0006 (5 task orders, $131 thousand), and 19P05019D0001 (3 task orders, $175 thousand).

Activity has grown modestly — three awards per year in 2022 and 2023 to six in 2025 — with combined dollars obligated reaching $837 thousand against a combined potential value of $2.1 million (39% obligation rate). NAICS concentration is tight: 30 awards fall under Legal Counsel and Prosecution, with 4 under All Other Legal Services and 1 under Offices of Lawyers. The vendor competes in the open market without SBA designations.