U.S. Taxation Services for NRIs, Expats & Global Businesses
Filing U.S. taxes is complex when income spans borders, involves foreign accounts, or requires multi-state compliance. At Accorp Partners, a California-licensed CPA firm, we simplify the U.S. tax filing process with trusted guidance, proactive planning, and secure technology. From U.S. individual income tax returns to corporate tax returns and international tax returns, our experts deliver accuracy, transparency, and peace of mind.



Why Choose Accorp as Your U.S. Tax Compliance Partner
Accorp provides expert, seamless UK tax compliance with accurate filings and cross-border coordination. Our globally experienced team ensures trustworthy guidance and optimised tax outcomes for every client.
IRS Voluntary Disclosure / Streamlined Compliance
We guide clients through IRS voluntary disclosure and streamlined compliance programs, reducing penalties and ensuring future U.S. tax compliance.
Comprehensive U.S. Tax Representation
From Form 1040 (U.S. individual income tax return) to complex filings like 1116 (Foreign Tax Credit), 2555 (Foreign Earned Income Exclusion), and 8938 (FATCA), we cover every aspect of U.S. taxation — in one place.
Foreign Income & Credit Optimisation
Our experts maximise foreign tax credits, treaty benefits, and exclusions — preventing double taxation while optimising savings on both corporate tax returns and individual tax returns.
Global Compliance Expertise
We handle FBAR (FinCEN Form 114), FATCA, and foreign asset reporting with precision, ensuring international tax returns are properly coordinated with local and foreign requirements.
Licensed CPA Firm in California
As a registered CPA firm, we deliver regulated, professional services backed by decades of combined experience in U.S. tax compliance, filing, and planning.
Beyond Filings: Strategic Planning
We advise on structuring investments, property sales, and capital gains — helping clients reduce liabilities legally and effectively while aligning with U.S. taxation laws.
From Preparation to Filing – A Smooth U.S. Tax Process
A systematic approach to delivering comprehensive tax services and advisory
Consultation
Tailored advice on your U.S. tax obligations, residency status, and cross-border requirements.
Secure Document Upload
Encrypted file sharing for full data protection and easy submission of financial documents.
Return Preparation
Accurate federal, state, and international tax returns prepared by licensed CPAs with compliance checks.
Review & Approval
Transparent review and approval process with clear explanations of key tax positions.
Filing & Payments
On-time IRS/state submissions with penalty avoidance and guidance on payment or refund processing.
Types of U.S. Taxation We Handle
We handle all types of U.S. tax filings—corporate, individual, international, and state—ensuring complete accuracy and compliance.
Corporate Tax Returns
Multi-state filings, deductions, and compliance for U.S. entities and subsidiaries.
International Tax Returns
Coordination of U.S. and foreign reporting, tax credits, FBAR/FATCA compliance, and cross-border planning.
Individual Tax Returns
For U.S. citizens, Green Card holders, NRIs, and non-residents needing compliant U.S. tax filings.
State Tax Returns
Tailored compliance for each state’s unique rules and filing requirements.
Capital Gains & Property Sales
Guidance for NRIs/expats selling property or securities, ensuring compliance with U.S. taxation.
Estate & Gift Tax Compliance
Efficient, legal handling of family wealth transfers within the U.S. tax framework.
Real Results from Real Clients
Trusted by Industry Leaders Across the Globe
Over 500+ clients have chosen Accorp for their compliance, tax, and risk assurance needs.





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