New ↗Tax season 2025 — see our treaty calculator

Handle your taxes
like a Local.

Personalized tax filing and planning for internationals living in the U.S. No surprises, no jargon, no missed deadlines.

2024 Form 1040

Treaty: Italy · ready

File now

● Refund estimate · $2,140

We file for you

Click. Sign. Filed. No spreadsheets. No IRS phone trees.

Hola, ¿cuánto debería apartar para Q3?
$1,840 — te mando el desglose ahora.

We listen to you

Real humans, in your language. 7 languages, on WhatsApp or email.

↗ Estimated owed: $3,420

We give you tools

Live tax estimates, all year. So nothing surprises you in April.

JB

Quick and easy setup

“I moved from Madrid to SF mid-year. KMT figured out the treaty, the visa, and the partial residency in one call — the rest happened in the background. I just signed.”

— Jade Blanco · Designer, Spain → CA

Treaty-aware filing for Israel · India · Brazil · Spain · Germany · United Kingdom · Mexico& 30+ more

What you get

Built for internationals.

Treaty-aware filing

We know your country's tax treaty by heart — and we apply it before you ask.

Live tax estimates

See your refund or balance update in real time, every time something changes.

Multilingual support

Talk to us in 7 languages, on WhatsApp or email. A real person — usually within an hour.

Year-round planning

We don't disappear after April. Quarterly check-ins, forecasts, and proactive moves.

Ready to get started?

Book a free 30-minute call. We'll take it from there.