Z&A is dedicated to the practice of all aspects of US immigration law, with a focus on business-related and employment-based US immigration law. Because of our expertise and dedication to clients, Z&A has experienced rapid growth in recent years. In 2002, it was honored as the only law firm on The Houston 100, a ranking of the fastest-growing private businesses making the great economic impact on Houston, TX. It also opened five branch offices in Chicago, New York, Los Angeles, Silicon Valley and Austin to accommodate its rapidly increasing client groups in the U.S.

Headquartered in Houston, TX , and with five branch offices all accross the U.S., Z&A can handle US immigration cases anywhere within and outside the US by using the latest technology in providing professional services to our clients since immigration is based on federal law. Please click here to see the map of our clients' locations in the United States.

In the year of 2011, our firm received 286 NIW approvals, 206 EB-1 approvals, 815 I-485 approvals, as well as 269 H-1B approvals in 2011. 

In addition, we made significant progress in the EB-5 category. On July 25, 2011, we successfully applied the designation of an EB-5 regional center for a client in California. 

Z&A provides the following immigration services:

Non-immigrant Benefits Categories

• H-1B (Specialty Worker)
• L-1 (Intra-company Transferees)
• O-1 (Outstanding Researcher)
• Change/Extension of Non-immigrant Status
• J-1 Waiver (Exchange Program Participants)
• J-1 Advisory Opinion
• Third Country Visa

Employment-based Immigration Categories

• NIW (National Interest Waiver)
• EB-1A (Alien of Extraordinary Ability)
• EB-1B (Outstanding Professors/Researchers)
• EB-1C (Multinational Manager or Executive)
• PERM Labor Certification
• EB-2 Based on PERM (Advanced Degree/Exceptional Ability)
• EB-3 Based on PERM (Professionals, skilled workers and other workers)
• EB-5 (Investor Visa)
• Adjustment of Status
• Concurrent Filing of I-140 & I-485
• Consular Processing
• Travel Documents
• Work Permit
• Foreign Nurses Immigration

Family-based Immigration

• I-130 Petition
• Adoption
• Divorce
• K Visa (Fiance/Fiancee/Spouse of U.S. Citizen)
• Marriage
• Consular Processing
• Adjustment of Status
• Travel Documents
• Work Permit

Other Services

• Set-up of a Corporation
• Services to Other Attorneys
• Application for a Sales Tax Permit
• Copyright
• Trademark Application

China Law Consultation

• Antidumping
• Finance
• Arbitration & Litigation
• E-Commerce
• Corporate
• Foreign Direct Investment
• Intellectual Property
• International Trade
• Mergers & Acquisitions
• Securities

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