USEFUL LINKS

USEFUL LINKS

Official resources for your management

In this section, we’ve gathered essential links to support your financial, tax, and business processes in the United States. These are official and reliable sources—government agencies, tools, and specialized services—that complement El Triunfo’s services. Use these references to complete procedures with greater clarity, save time, and move forward confidently at every stage of your business growth.
TAXES AND FINANCE

IRS – Internal Revenue Service
U.S. Federal Tax Forms and Services

California Tax Service
Center Centralized information on taxes in California.

Franchise Tax Board (FTB California)
State income taxes and related services.

FinCEN – BOI Reporting
Mandatory reporting of beneficial owners of companies.

US Small
Business Administration (SBA)
Resources and support programs for small businesses.

U.S. Patent and Trademark Office (USPTO)
Registration and consultation of trademarks and commercial patents.

Dun & Bradstreet (D&B)
Establish and consult credit for your company.

USCIS – U.S. Citizenship and Immigration Services
Visas, citizenship and immigration forms.

U.S. Department of State – Travel & Visas
Information and procedures for visas and passports.

Social Security Administration (SSA)
Social security, benefits and services for individuals.

State
Department
Sites

Refund
Tracker

How to succeed in business in the USA
A practical guide written by Carlos Alejandro Guamán for those who want to start a solid business in the United States.
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