What is FBAR and who needs to file it?

US persons with over $10K aggregate in foreign financial accounts—banks, brokers, even Wise balances. Auto-extends to Oct 15, but willful penalties crush.

Do cross-border solo founders need FATCA reporting ?

Yes, if foreign assets hit thresholds ($50K+ single filer). Files with 1040; separate from FBAR but overlaps on accounts.

How to avoid penalties on 1099s and estimated taxes?

File Jan 31 for 1099s/W-2s, pay quarterly estimates via 1040-ES. Use payroll like Gusto for reminders; track in Notion dashboard.

🧠 Engineering Culture

Cross-Border Solo Founders: The 2026 Compliance Checklist No One Handed You

Running a solo tech business from Singapore to Silicon Valley sounds freeing. Until unfiled FBARs and staggered tax deadlines turn freedom into fines.

theAIcatchup Apr 08, 2026 4 min read

Overlapping calendars showing US and international tax deadlines for solo founders

⚡ Key Takeaways

No single 'filing season'—deadlines stagger, demanding quarterly vigilance. 𝕏
FBAR and FATCA double-report foreign accounts to different agencies; miss thresholds at your peril. 𝕏
Penalties compound yearly; build a personal cross-border compliance checklist now. 𝕏

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theAIcatchup

Ship faster. Build smarter.

#FATCA reporting #FBAR deadlines #US tax filings 2026 #cross-border compliance #solo founder taxes

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Originally reported by dev.to

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