Bookkeeping for US Companies

Josh Katz, CPA
Author: Josh Katz, CPA
Updated: October 22, 2025

In an increasingly globalized world, many Americans and foreign nationals are establishing businesses in the United States while living abroad. While this venture can be lucrative and rewarding, it also introduces unique financial complexities, particularly when it comes to bookkeeping. For companies owned by US expatriates or foreign investors, maintaining accurate financial records is essential for operational success and compliance with both US and foreign regulations.

Effective bookkeeping is not just about recording transactions; it’s about maintaining clarity and control over your financial situation, which is vital for making informed decisions. Business owners must deal with the complexities of different currencies, tax obligations, and local financial regulations while ensuring compliance with US tax laws. Even though US expats may be living thousands of miles away from the US, the Internal Revenue Service (IRS) still requires Americans to file taxes on their worldwide income, making diligent record-keeping essential.

Additionally, the digital age has revolutionized bookkeeping practices, offering a range of software and tools to simplify the process for US expatriates. However, with so many options available, it can be overwhelming to choose the right solutions tailored to your needs.


Understanding Bookkeeping Basics

Bookkeeping is the systematic recording and organizing of financial transactions, which is crucial for maintaining accurate financial records.

  • Double-Entry Accounting is a foundational principle of bookkeeping that ensures each transaction is recorded in at least two accounts—debiting one account and crediting another. This method creates a comprehensive financial picture, allowing for the detection of errors and ensuring that the accounting equation (Assets = Liabilities + Equity) remains balanced. For expats, adopting a double-entry system can help provide clear insights into income and expenses across different currencies and jurisdictions.
  • Accrual vs. Cash Basis Accounting is another key distinction in bookkeeping. Accrual accounting records revenues and expenses when they are incurred, regardless of when cash changes hands. This method can offer a more accurate financial picture, especially for businesses with delayed payments. In contrast, cash basis accounting records transactions only when cash is received or paid. While simpler, this method may not provide a complete view of an expat’s financial situation, particularly when dealing with foreign transactions and tax obligations.


Bookkeeping Software Options

Selecting the right bookkeeping software is important for business owners to manage their financial records efficiently. Given the complexities of international living, the right software can simplify accounting processes and ensure compliance with tax regulations. Here are a few popular options that US expats and foreign nationals often consider:

  1. QuickBooks: Renowned for its comprehensive features, QuickBooks caters to small businesses and freelancers with user-friendly interfaces. It offers various functionalities, including invoicing, expense tracking, and financial reporting. QuickBooks also supports multi-currency transactions, making it a valuable choice for expats dealing with different currencies.
  2. Xero: This cloud-based accounting software is particularly suited for expatriates, providing real-time financial data and easy collaboration with accountants. Xero’s user-friendly interface allows for easy management of invoices, receipts, and bank reconciliations. Additionally, it integrates seamlessly with numerous third-party applications, enhancing its versatility.
  3. Wave: Ideal for budget-conscious individuals or small businesses, Wave offers a free accounting platform that includes essential bookkeeping features such as invoicing, expense tracking, and financial reporting. It’s particularly appealing for freelancers and small business owners who want to keep costs low while managing their finances effectively.

When selecting bookkeeping software, US expats should consider features such as multi-currency support, integration capabilities, and ease of use to find the best fit for their unique financial needs.


Managing Multi-Currency Transactions

Handling multi-currency transactions is a common and often challenging aspect of bookkeeping. As many business owners earn income or incur expenses in different currencies, it’s essential to develop effective strategies to manage these transactions accurately.

Currency Conversion: Keeping track of exchange rates is vital. Many bookkeeping software programs automatically update exchange rates, simplifying the process of recording transactions. However, it’s crucial to document the conversion date and rate for accurate financial reporting and tax compliance.

Record Keeping: Maintain detailed records of all foreign currency transactions. This includes receipts, invoices, and statements that provide evidence of the amounts paid or received. Comprehensive record-keeping helps ensure compliance with IRS regulations regarding foreign income and provides a clear financial picture.


Tax Considerations for US Expats

US citizens are required to file taxes on their worldwide income, making bookkeeping even more critical. Here are several tax considerations to keep in mind.

  1. Foreign Earned Income Exclusion (FEIE): The FEIE allows expats to exclude a portion of their foreign earnings from US taxes, provided they meet specific residency requirements. To qualify, individuals must file Form 2555, detailing their foreign income and time spent abroad.
  2. Foreign Tax Credit (FTC): If you pay taxes to a foreign government, you may be eligible for the FTC, which can help offset your US tax liability. Accurate bookkeeping is essential to track foreign taxes paid and ensure you claim the credit correctly.
  3. FBAR (FinCEN Form 114): Additionally, expats with foreign bank accounts that exceed $10,000 at any point during the calendar year must file the FBAR. This form reports foreign financial accounts to the Financial Crimes Enforcement Network (FinCEN) and is separate from tax returns. Maintaining organized records of foreign accounts is critical for FBAR compliance and avoiding potential penalties.


Best Practices for Bookkeeping

To maintain organized and accurate financial records, consider implementing the following best practices:

  1. Regular Updates: Establish a routine for updating your financial records, whether weekly or monthly. Consistency prevents the accumulation of receipts and statements, making it easier to stay organized and reducing the stress of year-end bookkeeping.
  2. Use Digital Tools: Leverage cloud-based bookkeeping software to streamline your financial management. These tools offer features such as automatic bank feeds, invoicing, and expense tracking, making it more straightforward to monitor your financial situation in real time. Additionally, digital storage solutions can help organize documents and receipts, ensuring easy access when needed.
  3. Backup Your Data: Regularly back up your financial data to protect against data loss from technical issues or accidents. Utilize both cloud storage and physical backups to ensure your records are safe and easily retrievable.
  4. Categorize Expenses: Create categories for your expenses to simplify budgeting and tax preparation. Clear categorization helps you understand spending patterns and ensures that all deductions are accounted for when filing taxes.
  5. Consult Professionals: If you’re uncertain about any aspect of your bookkeeping or tax obligations, consider working with a professional accountant. Their expertise can provide peace of mind and ensure compliance with both US and foreign tax laws.

Common Questions US Expats Ask About Bookkeeping

How do I keep track of my expenses while living abroad?

  • Use bookkeeping software or apps to categorize and track expenses, and retain digital or physical receipts for future reference.

What are the best practices for invoicing clients as an expat?

  • Clearly outline payment terms, use professional invoicing software, and ensure invoices include necessary details such as your contact information, payment methods, and tax identification numbers.

How do I manage my bookkeeping if I have a business in multiple countries?

  • Maintain separate books for each country to comply with local regulations, and consider consulting with local accountants to ensure adherence to local tax laws.

Do I need to keep bookkeeping records forever?

  • It’s advisable to keep financial records for at least three to seven years, as the IRS can audit tax returns within that timeframe.

What expenses can I deduct as a US expat?

  • While specific deductions may vary, common deductions include foreign housing expenses, certain travel costs, and other business-related expenses, provided you keep accurate records and receipts.