Flatfee corp

FlatFee Corp helps entrepreneurs, e-commerce sellers, startups, and international founders establish and manage businesses in the United States. We provide end-to-end support for U.S. company formation, EIN registration, registered agent services, accounting, tax compliance, customs support, and importer of record solutions.

Our mission is to simplify U.S. business expansion by offering transparent, reliable, and compliance-focused services. Whether you are a non-resident founder launching your first U.S. company or an established business expanding into new markets, our team helps navigate regulatory requirements and operational challenges with confidence.

We serve clients worldwide and support businesses across a wide range of industries, including e-commerce, technology, logistics, manufacturing, consulting, and professional services.

At FlatFee, we focus on accuracy, efficiency, and long-term compliance, helping our clients build and grow their U.S. presence while minimizing administrative complexity.

Our Services

• U.S. Company Formation
• EIN Registration
• Registered Agent Services
• Accounting & Bookkeeping
• Tax Compliance & Filings
• Sales Tax Registration
• Importer of Record (IOR)
• Customs Brokerage & Clearance
• Business Compliance Support