Stidify LLC

U.S. Tax Filing Done Right — No Errors, No Penalties, No Guesswork
If you are a non-U.S. resident, foreign-owned LLC owner, or online business, your U.S. tax filing is not just a form, it is a compliance system.
A single mistake in Form 5472, 1120, 1040-NR, or 1065 can result in up to $25,000 IRS penalties.
Most freelancers simply “file taxes.”
We ensure your entire structure is accurate before filing begins.

Who We Are
We are a U.S. Tax Preparation Firm specializing in:
• Foreign-Owned U.S. LLC Tax Filing
• Non-Resident Tax Returns (1040-NR)
• IRS Compliance (5472, 1120, 1065)
• ITIN Processing (IRS Certifying Acceptance Agent | CAA for ITIN)
• Bookkeeping & tax-ready financials
We work with international founders, eCommerce businesses, and U.S. entities requiring accurate, compliant filings.

Who We Help
✔ Foreign-owned Single-Member LLCs
✔ Non-U.S. residents earning U.S. income
✔ Shopify, Amazon and online business owners
✔ Freelancers & remote founders
✔ Startups needing tax + accounting + setup
If you are unsure what to file or concerned about compliance, you are in the right place.

U.S. Tax Services
LLC Filings
• Foreign-Owned SMLLC → 5472 + 1120
• Multi-Member LLC → 1065 + K-1
• U.S. LLC → Schedule C

Corporations
• C-Corp → 1120
• S-Corp → 1120-S + K-1
• Foreign-Owned Corp → 5472
• Foreign Corp → 1120-F

Individuals
• 1040 (U.S. residents)
• 1040-NR (non-residents)

What We Solve
• Late or missed filings
• Incorrect 5472 reporting
• IRS penalty exposure
• Mixed finances
• Disorganized records
We fix issues before submission, not after rejection.

Accounting & Bookkeeping
• Cleanup & catch-up
• P&L and Balance Sheet
• Expense categorization
• Tax-ready reports
• Monthly Bookkeeping
Your finances are accurate, structured, and audit-ready.

ITIN Services (CAA Support)
• Form W-7 applications & renewals
• Document verification
• Filing coordination

Business Setup & Compliance • U.S. LLC / Corporation formation • EIN for non-residents • Registered Agent • Annual compliance filings • U.S. address & mail handling • U.S. Apostille services • Remote Online Notary (RON)