Employment-Based
Visas and Corporate Services
At Certified Immigration Services (CIS), we guide you through every step of the immigration
process. Here are the visa categories we currently handle:

H-1B1 Visa
Chile & Singapore Professionals
We assist professionals from Chile and Singapore applying for H-1B1 visas through USCIS or consular processing. Our services include LCA certification, employer setup, and full compliance review.

From LCA filings to USCIS petitions, we handle every aspect of H-1B visa applications, whether for the annual lottery or for cap-exempt institutions Employment Authorization without lottery.

EB-3 Visa
Unskilled, Skilled, & Professional Workers
We manage the full EB-3 green card process, from PERM labor certification to I-140 petitions and adjustment of status or consular processing.

EB-2 Visa
Advanced Degrees
We assist professionals in obtaining EB-2 immigrant visas for U.S. permanent residency through employer sponsorship. This category is designed for individuals holding an advanced degree (or its equivalent) and a qualifying job offer from a U.S. employer. Our team manages the entire process.

Change of Status
(e.g. B-1 to E-2, F-1 to H-1B1)
We handle change of status filings with the correct timing and documentation to protect continuity of lawful stay.

TN Visa
Canadian & Mexican Professionals
We help qualified professionals from Mexico and Canada obtain TN visas through streamlined USCIS or border application processes.

E-2
Treaty Investor Visa
We assist entrepreneurs and investors from treaty countries in launching and managing qualifying U.S. businesses, preparing E-2 visa petitions and business plans.

Change of Employer / Job Transfers
We handle lawful job transfers for individuals on H-1B, H-1B1, or TN visas, ensuring continuity of status and compliance with USCIS rules.

Visa Extensions & Renewals
We prepare timely extensions for nonimmigrant visa holders, helping clients avoid unlawful presence or status violations.
Family & Dependent Services
