Practical Guides
Step-by-step guides for working between the US and Turkiye, in both directions.
Short, practical answers to the questions we hear most, checked against official sources. Filter by direction, by who you are, or by topic.
23 guides
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Guide 01 · Documents
Sending a US document to Turkiye? Start with the apostille.
What it is, who issues it, and what it does not do.
US → Turkiye Documents
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Guide 02 · Tax number
A Turkish tax number for foreigners, in three routes.
Often the first number you need in Turkiye.
US → Turkiye Tax
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Guide 03 · Power of attorney
A power of attorney for Turkiye, signed in the US.
Two routes, and the details that decide which one fits.
US → Turkiye Documents
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Guide 04 · Real estate
Buying property in Turkiye as a foreigner: the steps.
From the first check to the title deed.
US → Turkiye Real estate
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Guide 05 · Company formation
Setting up a company in Turkiye with foreign shareholders.
How a limited (Ltd. Şti.) or joint stock (A.Ş.) company is formed.
US → Turkiye Company
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Guide 06 · Residence
A short-term residence permit in Turkiye, step by step.
For stays longer than a visa or visa-free period allows.
US → Turkiye Residence & citizenship
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Guide 07 · Civil registration
Married or had a baby in the US? Tell Turkiye too.
Registering a US marriage or birth for Turkish citizens.
US → Turkiye Family & civil records
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Guide 08 · Family
Divorced in the US? Turkish records may still say married.
Registering a US divorce decision in Turkiye.
US → Turkiye Family & civil records
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Guide 09 · Inheritance
Inheriting in Turkiye while living in the US.
The certificate, the tax return and the title deed.
US → Turkiye Inheritance
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Guide 10 · Health travel
Hair or dental treatment in Turkiye? Check the clinic first.
Six checks for the clinic, the facilitator and the paperwork.
US → Turkiye Health travel
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Guide 11 · Real estate
Selling property in Turkiye without flying there.
The power of attorney, the title deed office and the tax.
US → Turkiye Real estate
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Guide 12 · Citizenship
Dual citizenship and the Blue Card, from the Turkish side.
Keeping Turkish citizenship, giving it up, and what the Blue Card keeps.
US → Turkiye Residence & citizenship
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Guide 13 · Trademarks
Register your trademark in Turkiye before you sell there.
First to file, a local attorney, and the opposition window.
US → Turkiye Trademarks
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Guide 14 · Due diligence
Before you sign with a Turkish company, check these.
What public records show, what they don't, and what to ask for.
US → Turkiye Due diligence
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Guide 15 · Data protection
Collecting data from people in Turkiye? Know KVKK.
Registration, cross-border transfers, notices and breaches.
US → Turkiye Data protection
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Guide 16 · Documents
Using a Turkish document in the US? Get the apostille in Turkiye.
Which office, what e-Apostil covers, and the translation.
Turkiye → US Documents
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Guide 17 · Company documents
Your Turkish company's paperwork for US partners and banks.
What each document proves, where to get it, and how to send it.
Turkiye → US Company
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Guide 18 · Documents
A Turkish criminal record certificate for use abroad.
e-Devlet, consulates, the archive record and the apostille.
Turkiye → US Documents
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Guide 19 · Education
Getting your Turkish diploma ready for use abroad.
e-Devlet documents, the transcript, the apostille.
Turkiye → US Education
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Guide 20 · Exports
Exporting to the US: the Turkish side of the paperwork.
Association membership, the declaration, origin and proceeds.
Turkiye → US Trade
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Guide 21 · Tax
Proving Turkish tax residence to a foreign payer.
The certificate of residence, how to apply, what it covers.
Turkiye → US Tax
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Guide 22 · Social security
Your Turkish social security record, from the US.
The service record, buying back periods abroad, the pension.
Turkiye → US Social security
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Guide 23 · Company
A Turkish company setting up abroad: the Turkish side.
No approval needed, but forms to file and tax rules to plan for.
Turkiye → US Company
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General information only, not legal advice. Sonmez Consulting LLC is not a U.S. law firm. Turkish-law matters are handled by the Turkish attorneys at Sonmez Partners.