USA business directory: agencies, filing offices and the advisers who file for you.

Federal agencies, state filing offices, tax authorities, registered agents, law and CPA firms, payroll platforms and banking partners used by foreign companies establishing a US entity. Search by name or filter by category and state.

Showing 53 of 53 listings.

Compliance SoftwareNorth Carolina

Avalara

A tax compliance software company that automates US sales tax calculation, filing, and reporting.

Accounting & TaxIllinois

BDO USA

An accounting and advisory firm with a dedicated international tax practice serving foreign-owned US subsidiaries.

Banking & FinanceCalifornia

Brex

A financial technology company providing corporate cards and business banking accounts for US companies.

Legal ServicesCalifornia

Cooley LLP

A corporate law firm advising venture-backed companies and foreign entities on US formation, financing, and governance.

Registered Agents & FormationNew York

CT Corporation

A Wolters Kluwer business offering registered agent, entity formation, and compliance services across all US states.

Payroll & EmploymentCalifornia

Deel

An employer-of-record and global payroll platform that helps foreign companies hire workers in the United States.

Trade & LogisticsCalifornia

Flexport

A freight forwarder and customs brokerage platform helping companies import goods into the United States.

ImmigrationNew York

Fragomen

An immigration law firm assisting companies with US work visas and immigration matters for foreign personnel.

Accounting & TaxNew York

KPMG US

A national accounting firm providing US tax, audit, and advisory services to inbound multinational companies.

Banking & FinanceCalifornia

Mercury

A fintech company offering US business bank accounts to startups, including those founded outside the United States.

Business SupportFederal

SCORE

SBA-supported network of volunteer mentors offering free business counselling to new and growing companies.

Registered Agents & FormationCalifornia

Stripe Atlas

A Stripe product that helps foreign founders incorporate a US Delaware company and open a US bank account.

Compliance SoftwareDelaware

TaxJar

A Stripe-owned platform that automates US sales tax calculations, reporting, and filing for online sellers.

Payroll & EmploymentCalifornia

TriNet

A professional employer organization (PEO) providing HR, payroll, and benefits administration for US businesses.

Compliance SoftwarePennsylvania

Vertex Inc.

A tax technology company providing indirect tax determination and compliance software for US and global businesses.

Accounting & TaxNew Jersey

Withum

A certified public accounting firm with an International Services Group that assists foreign companies expanding into the US.

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