Jacob devoted his law practice to employment-based immigration cases, including both nonimmigrant visas (i.e. E-1, E-2, E-3, J-1, H-1B, H-2A, H-2B, L-1, L-Blanket, 0-1, P-1, P-3, R-1 etc.) and permanent residence applications (i.e. PERM, national interest waivers, EB-1, EB-2, EB-3, etc.).

Mr. Tuimaualuga also specializes in business law for immigration purposes (consulting regarding creating business organizations, operating agreements, contract review, and contract creation).