Practical insights for forming and running a US company: filing requirements, compliance explainers, provider updates, and decisions for founders.
Explore practical articles and current updates for US company founders, with sources and dates to help you check the details. For step-by-step references, visit our Guides.
Prepare your LLC’s formation records, ownership agreement and EIN proof, then confirm the bank’s document and eligibility requirements before applying.
Prepare employer records, employee forms and payroll responsibilities before your LLC’s first wage payment, with separate checks for state and local rules.
An LLC or signed contract does not settle worker status. Review the three IRS categories before engaging someone for your business.
Check your LLC’s tax classification, personal withholding and the IRS payment calendar to assess whether you need federal estimated tax payments.
Find your Wyoming LLC annual report deadline, understand the $60 minimum asset-based license tax, and follow a practical filing checklist.
Separate California’s initial 90-day deadline from the biennial filing window, prepare your information, and use the official filing route.
Learn how status certificates, certified filing copies and other LLC records differ, then confirm exactly what your bank or state agency needs.
Check licensing requirements by activity, location and government office, then build an inventory that tracks open questions, permits and renewals.
Compare general liability, professional liability and BOP coverage, then use a practical checklist to identify questions for a licensed insurance agent.
Identify your LLC’s applicable business return, separate filing from payment, and follow the special route for qualifying foreign-owned U.S. disregarded entities.
An EIN identifies the entity. An ITIN serves an individual's federal tax purpose. Here's how nonresident LLC owners can separate the two decisions.
Compare digital CP575, Letter 147C, and an IRS entity transcript, then choose the proof your requester accepts without applying for another EIN.
Follow the New York domestic LLC publication sequence, from county-clerk newspaper designations to affidavits and the $50 Certificate of Publication.
For a disregarded LLC with a U.S. individual owner, use the owner's name, tax classification and TIN. Here's how the key W-9 fields fit together.
Separate state closure, final federal tax filings and EIN deactivation—and use the current IRS instructions before mailing your request.
An LLC name, DBA, trademark, and domain serve different purposes. Check each separately before paying for a filing or choosing your business name.
Before opening another LLC, map your activities, check the second state’s rules, gather required documents and plan ongoing obligations.
Report an LLC responsible-party change to the IRS within 60 days using Form 8822-B, and check state, bank and registered-agent records separately.
A nonresident alien owner prevents S-corp eligibility. Foreign citizenship alone does not. Check each owner’s tax status before paying for an election.
A US-formed LLC is exempt under the current BOI rule, even with foreign owners. Foreign-country entities registered in the US need a separate check.
Separate Pennsylvania’s $7 LLC annual report fee from optional service charges, check whether your report was due, and find the official filing route.
Match your registered-agent, mailing and physical addresses to each filing’s requirements before paying for a service.
A running log of 2026 changes to LLC state filing fees, annual report costs, and processing times. Updated as states announce changes.
Mercury supports many U.S.-registered companies with international founders, subject to business, address, country-of-residence and application-review requirements.
A seasonal reminder for foreign-owned single-member LLCs: Form 5472 obligations, the penalty, and how to file on time in 2026.