Foreign LLC No U.S. Office: Practical Address Recommendations (Part 3)

The Default We Recommend for Solo Foreign Founders

If you're a solo foreign founder with a single-member LLC, no employees, no U.S. office, and standard transactions (capital contributions, distributions, occasional service payments), our default recommendation is:

Use a U.S. C/O address through your CPA or a professional mailbox service.

This hits the best balance: full Form 1120 compliance, reliable mail delivery, a stable correspondence address that doesn't change when you move countries, and a clean audit profile. Cost: $20-50/month for a CPA's mail-forwarding service, or $10-25/month for a virtual office / mailbox service.

When You Should Pay for a Proper U.S. Mailbox Service

If you don't have a U.S. CPA (or your CPA charges per-piece for mail forwarding, which can run $5-15 per item), a dedicated mailbox service is the right choice. Look for these features:

- Real street address (not just a P.O. Box). Search for 'commercial mail receiving agency' (CMRA) — they're required by USPS to provide street-format addresses. - Mail scanning. The service scans the envelope (and optionally contents) to a PDF you can view online. Saves on physical forwarding. - Free or low-cost forwarding. Some services bundle 5-10 items/month; others charge per piece. - USPS Form 1583 handling. The service should already be set up to handle this — it's a USPS-required authorization to receive mail on your behalf.

Recommended price range: $10-25/month for basic, $40-80/month for premium scanning.

How the Address Ripples Through Other Filings

Whatever address you choose, use it consistently across:

- Form 1120 (pro forma cover sheet for Form 5472) - Form 5472 Part I, Line 1a (reporting corporation address) - Form SS-4 (if you're applying for an EIN) - State annual report (Delaware, Wyoming, etc.) - Any BOI report that is actually required for your entity type - Any state sales tax registration - Stripe / Mercury / Wise / Brex / other banking KYC

Inconsistency across these filings is a yellow flag for IRS examiners and for banks. If your principal address changes mid-year, file Form 8822-B (Change of Address — Business) within 60 days to keep everything aligned.

A 60-Second Decision Flowchart

Here's how to pick in under a minute:

Q1: Do you have a U.S. CPA you work with regularly? - Yes → Use 'C/O [CPA Firm], [Their Address]'. Done. - No → Q2

Q2: Is your home country's postal delivery reliable (Western Europe, developed Asia, Australia, NZ, Canada)? - Yes → Use your foreign home address. Done. - No → Q3

Q3: Do you have a U.S. mailbox service or virtual office? - Yes → Use 'C/O [Service Name], [Service Address]'. Done. - No → Sign up for one ($10-25/month). Then return to Q3.

Whatever you pick, document the reasoning in your tax records. If the IRS ever asks, you'll have a defensible explanation rather than scrambling to reconstruct it from memory.