Filing Services
Guided self-filing for the most common foreign-owned LLC returns, plus specialty advisory for IRS notices, penalties, and complex structures.
Guided filing services
Single-Member LLC Filing
Form 5472 + pro forma 1120 — guided self-filing.
- Form 5472 + pro forma Form 1120
- Step-by-step guided wizard
- Live PDF preview as you fill
- Part V attachment if needed
- Ready-to-mail filing package
Fill the guided form first.
Multi-Member LLC Filing
U.S. partnership return — Form 1065 + Schedule K-1.
- Form 1065 (U.S. Return of Partnership Income)
- Schedule K-1 for each partner
- Section 1446 withholding worksheet
- Form 5472 / related-party review flag
- Complete filing package
Fill the guided form first.
Form 1040-NR or Form 1120-F Filing
Owner-type-driven ECI return package — Form 1040-NR for individuals or Form 1120-F for foreign corporations.
- Your owner answer selects Form 1040-NR or Form 1120-F
- ECI determination analysis
- Income & deduction worksheets
- Tax calculation with treaty benefits
- Advisor output summary
Fill the guided form first.
ITIN Application
Form W-7 preparation with ID document checklist.
- Guided Form W-7 preparation
- Real IRS PDF with field filling
- ID document checklist
- CAA referral information
- Filing instructions included
Fill the guided form first.
EIN Application
Form SS-4 preparation for foreign-owned LLCs.
- Guided Form SS-4 preparation
- Foreign-owner-specific guidance for line 9a
- Fax submission instructions
- Real IRS PDF with field filling
- Confirmation tracking guidance
Fill the guided form first.
Explore the knowledge base
Every filing is backed by free, source-cited guides and live regulatory monitoring — written for foreign-owned U.S. LLC owners.
Specialty Advisory
Topics that require a CPA or tax attorney. We'll scope the situation and refer you to a vetted specialist.
IRS Notice Response & Audit Defense
Got a CP-series notice or audit letter? Triage, response strategy, and CPA referrals.
Streamlined Filing Compliance
Catching up on multiple years of missed Form 5472 / 1040-NR filings without willful penalties.
Catch-Up Bookkeeping & Filing
Reconstruct prior-year books from raw bank/processor exports and file the federal returns. For LLCs that skipped monthly bookkeeping.
Penalty Abatement
Reasonable-cause and first-time abatement strategies for $25K Form 5472 penalties.
LLC → C-Corp Conversion
Form 8832 election timing, tax consequences, and when to convert.
Holding Company & Series LLC
Multi-LLC structuring for asset protection and tax planning.
Business Sale & Exit Advisory
M&A tax planning, FIRPTA, and exit structuring for foreign-owned LLCs.
Not sure which service you need?
Start with the 5-minute filing check to see the likely forms, timing risk, and best next step for your LLC.