Guides for founders who read the fine print.

Original articles from Firmlane Editorial, checked against official sources and dated so you know how fresh they are.

Registered agentComplianceCompany formationBusiness address

Registered agents explained: what they do and why you need one

Every US LLC and corporation needs a registered agent in its state. What the role involves, the requirements in most states, and how to choose and change an agent.

October 17, 2026 · 7 min read

LLCC corporation
LLC vs C corporation: how to choose for your US company
LLCs and C corporations differ in ownership, governance, taxation and fundraising. A plain-English comparison to help you choose, including notes for non-US founders.
October 17, 2026 · 8 min read
LLCCompany formation
How to form a US LLC: a step-by-step guide for founders
The decisions, filings and follow-up tasks involved in forming a US limited liability company, from choosing a state to getting an EIN and staying compliant.
October 17, 2026 · 9 min read
International foundersNon-US residents
Forming a US company as a non-US resident: what to know
Non-US residents can generally own and form a US LLC or corporation. Here is what the process involves, from choosing an entity and state to EINs, tax filings, banking and mail.
October 17, 2026 · 8 min read
EINInternational founders
How international founders get an EIN for a US company
Your US company needs an EIN, but the IRS online application requires an SSN or ITIN. Here is how international founders apply by phone, fax or mail, and what to expect.
October 17, 2026 · 8 min read
ComplianceAnnual reports
Annual reports and good standing: keeping your US company active
What good standing means, how annual reports and state taxes work in states like Delaware, Wyoming and California, and what happens if you miss a deadline.
October 17, 2026 · 7 min read

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Guides for founders who read the fine print.

Registered agents explained: what they do and why you need one

LLC vs C corporation: how to choose for your US company

How to form a US LLC: a step-by-step guide for founders

Forming a US company as a non-US resident: what to know

How international founders get an EIN for a US company

Annual reports and good standing: keeping your US company active

The US formation checklist, in your inbox.

Ready to form your company? We'll guide every step.

Registered agents explained: what they do and why you need one

LLC vs C corporation: how to choose for your US company

How to form a US LLC: a step-by-step guide for founders

Forming a US company as a non-US resident: what to know

How international founders get an EIN for a US company

Annual reports and good standing: keeping your US company active