One Lex Partners | New York City-Based U.S. Customs, Export Control & Sanctions Lawyers
U.S. Trade Compliance Counsel for Companies Worldwide
About Us
New York City-based attorneys with former U.S. government, in-house, and top-law-firm experience. We regularly represent U.S. clients nationwide and companies worldwide on all customs, export-control, and sanctions matters.
Practice Areas
U.S. Customs & CBP – seizures, penalties, prior disclosures, tariff classification, valuation, Section 301/232
Export Controls – EAR (BIS) & ITAR (DDTC) licensing, commodity jurisdiction, deemed exports, voluntary disclosures
OFAC Sanctions – Russia, Iran, China, Cuba, Venezuela, Belarus – compliance & licensing
Trade Compliance Programs – audits, restricted-party screening, anti-boycott, training
Why Clients Choose One Lex
Former government + in-house + big-law expertise
Straightforward, business-first advice for startups to multinationals
Direct partner access and cost-effective results
Proven success in high-stakes enforcement and day-to-day compliance
U.S. and international clients welcome
Contact us today for a confidential consultation
Our Services
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Tariffs, classification, valuation, country of origin, free trade agreements, anti-dumping/counter-vailing duties
Importation and other government agency requirements
Ruling requests, protests, disclosures, penalty mitigation
Risk assessments, process improvements and group/individual trainings
Customs compliance best practices, policies, and SOPs
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Export control classification and licensing determinations;
Deemed exports and non-U.S. person hires; technology control plans;
Jurisdiction commodity and classification determination requests, disclosures;
Denied party screening vendor selection and process set up;
Denied party diligence;
Risk assessments, process improvements and group/individual trainings;
Export control policies, best practices, and SOPs.
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Sanctions diligence; transaction clearances;
Licensing determinations;
Specific license applications;
Investigations and disclosures;
Policies, SOPs, training.
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Supply chain engineering;
Tariff exposure mitigation;
Vendor diligence;
Commercial terms.
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Company, product, process diligence (customs, export controls, sanctions);
Regulatory assessments;
Violation mitigations and voluntary disclosures;
Entity integration.
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Product regulatory compliance;
Process compliance (C-TPAT; forced labor)
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Representation before U.S. Customs and Border Protection (CBP), Departments of State (DDTC), Commerce (BIS) and Treasury (OFAC), Justice (DOJ)
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Compliance & ethics program assessment based on DOJ guidance
Corporate compliance policies (e.g, Code of Conduct, anti-bribery / anti-corruption, gifts, political activities)
Compliance & ethics program implementation and maintenance
Internal investigations process
Assistance with vendor due diligence
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Our partner Sterling Accelerator delivers proven go-to-market (GTM) strategy and execution services, collaborating with founders and leadership to identify growth opportunities, reset strategic direction, and align operating models for success.
Partners
Ruta Riley
Founder and managing partner with 17 years of experience in import, export, sanctions, and international trade matters.
Tammie G. Krauskopf
We partner with Tammie Krauskopf Trade Law, LLC. Tammie has over thirty years of experience in customs and international trade.
Michael Iagrossi
We partner with Sterling Accelerator, LLC to help customers interested in GTM and business scaling solutions.

