Comparison Guides19 min read
ITIN vs. EIN vs. SSN: What's the Difference?
As the CEO of your business-of-one, you are not here for vibes. You need a repeatable system you can run.
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Non-Resident Articles
Browse 4 Gruv blog articles tagged Non-Resident. Coverage includes Tax Residency & Compliance and Global Mobility & Visas. Practical guides, examples, and checklists for cross-border payments, tax, compliance, invoicing, and global operations.
Geographic Deep Dives17 min read
How Remote Freelancers Can Get an NIE Number in Spain
If you're handling your NIE remotely, choose the pathway first. The NIE (*Numero de Identidad de Extranjero*) is your personal foreigner identification number for Spain-related procedures that require identification. It identifies you before the Spanish public administration, but it does not give you the right to reside in Spain. Residence must be handled through the relevant visa process.
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Read →How-To Guides21 min read
How to Apply for a Withholding Certificate to Reduce FIRPTA
Use a **firpta withholding certificate** when default withholding is materially higher than your expected U.S. tax and you can support that position with a complete, consistent file. If the facts are still moving, the safer course is usually to close under standard FIRPTA handling and follow the normal reporting deadlines.
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Read →Deep Dives15 min read
What Is FIRPTA Withholding on US Real Estate Sales?
Treat **FIRPTA withholding** as a pre-listing cash-flow decision, not a closing surprise. It is a required prepayment collected by the buyer, not your final U.S. tax bill. Before you reach contract stage, confirm your status, estimate exposure, and decide whether a withholding-certificate application belongs in your plan.
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