US and international tax, accounting, and bookkeeping for expats, foreign-owned US companies, and businesses worldwide. Fully online, in English and Russian.
WELFO Tax & Accounting helps expats, entrepreneurs, and businesses around the world stay compliant with US taxes. We work fully online, in English and Russian, wherever you live. Our team has worked in finance since 2013 and focuses on cross-border tax.
For US citizens and residents living abroad
US tax returns with foreign income (Form 1040)
FBAR (FinCEN 114) and FATCA (Form 8938) reporting
Foreign tax credit and tax treaty positions
Catching up on unfiled returns and IRS notices
Tax planning when moving to or from the US
For non-US residents and foreign-owned businesses
US tax returns for non-residents (Form 1040-NR)
Compliance for foreign-owned US companies (Form 5472, pro forma 1120)
US tax planning for non-US founders, freelancers, and online businesses
ITIN applications and renewals
For small businesses
LLC, S-Corp, C-Corp, and partnership tax returns
Monthly bookkeeping, payroll, and sales tax
Financial reporting and tax planning
Why clients choose us
Experience with situations where income, companies, or accounts are in more than one country
You can explain your situation in Russian or English, and we answer in plain language
Secure online document exchange, any time zone
Book a free 15-minute consultation to find out what you need to file and what it will cost.






