Resources & Guides

Everything we've learned about starting and running a US business — written down as we go. Plain-English guides on addresses, LLCs, taxes, and the paperwork nobody warns you about.

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Henry

A close-up of an antique wooden letterpress type case filled with metal movable type beside a worn ink roller, evoking the county newspaper notice a new Arizona LLC may need to publish.

Getting Started

Arizona LLC Publication Requirement: Deadlines, Counties, and Your Address

Arizona is one of only three states that make a new LLC publish a formation notice. Here is the 60-day deadline, the three-run newspaper rule, and why a Maricopa or Pima County address can remove the step entirely.

HenryJuly 9, 20267 min read

A close-up wall of numbered brass post office boxes with one small door slightly open, representing the PO Boxes the Postal Service offers versus a real street address from a third-party provider

Getting Started

USPS Virtual Address: Does the Post Office Offer One?

Search for a "USPS virtual address" and you would expect the Postal Service to sell one. It does not. USPS offers PO Boxes, Informed Delivery, mail forwarding, and Street Addressing, but the real street address with mail scanning that people are actually looking for comes from a third-party provider. Here is what USPS gives you, what it does not, and where that street address really comes from.

save office teamJuly 7, 20268 min read

Blank envelope resting on a laptop keyboard, representing entering an address suite number into online forms

Getting Started

How to Enter a Suite Number for a Business Address Online

A suite number trips up more online forms than it should. Here is exactly where the suite goes, how to write it, and how to match the USPS format so address verification stops rejecting your entry.

save office teamJuly 5, 20267 min read

Hands typing on a laptop while setting up a virtual business address step by step

Getting Started

How to Get a Virtual Business Address: A Step-by-Step Guide

Getting a virtual business address is a short, repeatable process once you know the steps. Here is how to choose a city, pick a plan, authorize mail, and activate a real commercial address you can use for your LLC, bank, and filings.

save office teamJuly 4, 20268 min read

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Several US city skylines at dusk symbolizing choosing the right city for an LLC virtual office

Getting Started

How to Choose a Virtual Office City for Your LLC

Choosing which city to put your virtual office in is a decision with a few moving parts. Here is a framework: where your customers are, what the address signals, mail, cost, and how the city choice differs from your state of formation.

save office teamJuly 2, 20268 min read

A professional reviewing United States mail and a laptop at a home office desk while living abroad

Getting Started

Virtual Mailing Address for Americans Living Abroad

Moving abroad does not end your US mail. Here is why a US citizen overseas still needs a US mailing address, how a virtual mailbox scans and forwards it, and how to keep banks and the IRS reaching you.

save office teamJuly 1, 20268 min read

A brass numbered tag and a closed reference folder symbolizing an EIN online application rejection code

Getting Started

EIN Reference Number 101: What It Means and How to Fix It

Reference number 101 is the most common error when applying for an EIN online, and it usually means a business name conflict. Here is what triggers it, how to get your EIN by fax or mail instead, and what non-resident founders should know.

save office teamJune 17, 20269 min read

Looking up at the facade of a modern commercial office building against a bright sky, representing a real business street address

Getting Started

What Is a Virtual Business Address? A 2026 Guide

A virtual business address is a real commercial street address you can use for your company without leasing space. Here is what it qualifies for, how it differs from a virtual office and a mailing address, and how to choose one that survives bank and state checks.

save office teamJune 17, 202610 min read

Interior of a small retail mail and shipping center counter with parcels, representing a commercial mailbox address option for a business

Getting Started

Can You Use a UPS Store Address for Your LLC?

A UPS Store mailbox gives you a real street address, but whether your LLC can use it depends on which slot you mean: state formation, registered agent, or your bank. Here is where a UPS Store address works, where it gets rejected, and why.

save office teamJune 16, 202610 min read

A small-business owner working at a bright modern desk with a laptop and a single document folder, representing a sole proprietor forming an LLC

Getting Started

Converting a Sole Proprietorship to an LLC: New EIN, Asset Transfer, and the Address

Turning a sole proprietorship into an LLC creates a new legal entity, which means filing with the state, sorting out whether you need a new EIN, and moving your licenses, contracts, and bank accounts over. Here is the order, what changes, and where a professional address fits.

save office teamJune 14, 20269 min read

A passport, a US Form W-7, and a stamped Form 1040-NR on a wooden desk under warm window light, suggesting an ITIN application package for a foreign LLC owner

Getting Started

ITIN for Non-Resident LLC Owners: When You Need One and How to Apply

If you are a non-resident LLC owner, the question is rarely whether to apply for an ITIN. It is when, and what for. The ITIN is for personal tax filings, treaty benefits, and bank ID, not for the EIN. Here is what triggers the requirement, the W-7 application path, the 7-14 week timeline, and the CAA shortcut for foreign founders.

save office teamMay 4, 202613 min read

Getting Started

Can You Use a Virtual Address for Google Business Profile? The Verification Rules

A virtual address can be used for a Google Business Profile listing, but only when the location is staffed during business hours and can receive Google's postcard verification mail at the same address. Here is the staffed-location rule, the storefront vs Service Area choice, postcard verification, and the three rejection patterns most founders hit.

save office teamMay 4, 202611 min read

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