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GRD Partners
Office in Istanbul, serves Bostanci, Turkey
Consultation Free · 15 minutes

Founded in 2026
5 people in their team
Turkish
English
Notary Services Corporate Document Authentication Apostille & Embassy Legalization +3 more
GRD Partners is an Istanbul-based, full-service boutique law firm providing strategic legal counsel to international corporations, foreign investors, fast-growing startups, and financial institutions navigating the Turkish legal landscape. The firm distinguishes itself by bridging local regulatory...
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Do your company documents need notarization, an apostille, or legalization?

For a company in Bostanci, the required process depends on where a document was issued and where it will be used. Documents for a foreign authority may need notarization, an apostille, or consular legalization; documents for use in Turkey may need Turkish translation and certification.

Bostanci is part of Kadikoy, Istanbul, and has no separate corporate-document authentication rules. For Turkish administrative documents, apostille applications are generally handled by a governorate or district governorate; the Kadikoy District Governorate is the local authority to check for documents issued or certified in the district. Judicial documents follow a different route.

Company records such as trade registry documents, signature circulars, board resolutions, and powers of attorney may require different treatment. The destination authority’s rules determine whether a document must be notarized, translated, apostilled, or legalized through a consulate.

When a lawyer can help with company documents

A lawyer can identify the correct certification chain and check whether the document proves the authority it is meant to prove. This is especially useful when a document crosses jurisdictions or a rejected filing could delay a transaction.

  • A Bostanci company is opening a bank account or subsidiary abroad and must provide current Turkish trade registry records, signatory evidence, or board resolutions.
  • A company director needs a power of attorney notarized in Istanbul for use in another country, and the recipient has specified particular wording or certification.
  • A foreign company is acquiring a business or property in Kadikoy and needs its incorporation records and signing authority accepted by Turkish institutions.
  • A document has been rejected because its translation, notarial certification, apostille, or consular legalization is missing or in the wrong order.
  • A company is submitting Turkish corporate records to a foreign court, regulator, or public authority that requires evidence of authenticity and current registration.
  • A transaction involves electronic company records or signatures, and the recipient needs confirmation that the format and signature meet its requirements.

Turkish laws and rules that affect document authentication

The Notaries Law No. 1512, enacted on 18 January 1972, governs notarial acts in Turkey. A notary can certify signatures, copies, and translations, but notarization alone does not establish that a foreign recipient will accept the document.

The Turkish Commercial Code No. 6102, in force since 1 July 2012, governs companies and corporate records, including matters relevant to proving a company’s representation and authority. The appropriate supporting record may depend on the company type and the transaction.

The Hague Convention of 5 October 1961 Abolishing the Requirement of Legalisation for Foreign Public Documents provides the apostille process between participating states; it entered into force for Turkey on 29 September 1985. An apostille replaces consular legalization for covered public documents between participating states, but it does not certify the truth of the document’s contents or guarantee acceptance for every purpose.

Frequently asked questions

What does authenticating a company document usually involve?

It may involve confirming the document’s source, notarizing a signature or copy, arranging a certified translation, and obtaining an apostille or consular legalization. The required steps depend on the document and the destination authority’s rules.

Does every Turkish company document need an apostille to be used abroad?

No. An apostille is generally relevant when a covered public document is being used in a participating country. A private company document may first need notarization or another form of official certification, and some destinations require consular legalization instead.

Where can a Bostanci business apply for an apostille?

For eligible administrative documents, the relevant authority is generally a governorate or district governorate. A business in Bostanci can check the requirements with the Kadikoy District Governorate; judicial documents may require a different authority.

Can a company apostille a board resolution directly?

A board resolution is generally a company document, not automatically a public document eligible for an apostille. The recipient may require a notarized copy or signature certification before an apostille can be issued, so confirm the required form first.

Do company documents need to be translated into Turkish?

Documents submitted to Turkish authorities or institutions may need a Turkish translation, often certified through a notary. The receiving body decides what it accepts, and the correct sequence for translation and apostille can vary.

How long does the process take in Istanbul?

Timing depends on the document, appointment availability, translation workload, and the authority handling the application. Straightforward notarization and certification may take less time than obtaining updated company records or completing consular legalization; allow extra time for each stage.

How much does it cost to authenticate corporate documents?

There is no single total cost for every document. Notarial charges are set under applicable tariffs, while translation, copies, courier services, and any consular processing can add costs; ask for an itemized estimate based on the destination’s requirements.

Can a foreign company’s documents be used in Turkey?

Often, but the documents may need an apostille or consular legalization in the country where they were issued, followed by a Turkish translation. Requirements vary by document, issuing country, and the Turkish authority or institution receiving it.

Does an apostille prove that a company’s information is accurate?

No. An apostille confirms the authenticity of a public official’s signature, capacity, or seal under the Convention. It does not verify the accuracy of the company information or the commercial effect of the document.

Is notarization the same as an apostille?

No. Notarization is a Turkish notary’s act, such as certifying a signature, copy, or translation. An apostille is a separate certificate used to authenticate certain public documents for use in another participating country.

Can a digitally signed corporate document be authenticated?

Turkey recognizes secure electronic signatures under the Electronic Signature Law No. 5070, but a foreign recipient may have its own format and verification requirements. Confirm acceptance with the receiving authority before relying on an electronic document.

How can I check whether a lawyer is qualified to advise on this process?

Check that the lawyer is registered with a Turkish bar association and has handled the relevant document type and destination country. Ask for a clear explanation of the required steps, likely costs, and who will obtain each certification.

Official resources in and for Bostanci

  • Kadikoy District Governorate (Kadikoy Kaymakamligi): Check local procedures and whether it can issue an apostille for the particular administrative document.
  • Istanbul Trade Registry Office: Handles company registration records and related registry services that may be needed as supporting corporate evidence.
  • Istanbul Bar Association: Provides information about the local legal profession and can help verify a lawyer’s bar registration.

Steps to find and hire a corporate-document lawyer

  1. Identify the destination and purpose. Obtain the recipient’s written requirements, including any rules for originals, translations, notarization, apostilles, or legalization. Allow one to three business days to clarify requirements.
  2. List the documents and their source. Record whether each item is a Turkish company record, a private document, a notarial document, or a document issued abroad.
  3. Shortlist Turkish lawyers. Search for lawyers serving Kadikoy or Istanbul who handle company records and cross-border document formalities. Verify bar registration with the Istanbul Bar Association.
  4. Ask for a document-specific plan. Request the proposed certification sequence, responsible authorities, likely timing, and any risks of rejection before authorizing work.
  5. Compare written fee estimates. Separate legal fees from notary, translation, registry, courier, and consular charges. Confirm whether additional document requests are billed separately.
  6. Agree on scope and deadlines. Sign an engagement agreement identifying the documents, destination, services, costs, and who will submit each application.
  7. Check the completed set before delivery. Confirm names, dates, seals, translations, and certification attachments against the recipient’s instructions before sending originals or filing documents.

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Disclaimer:

The information provided on this page is for general informational purposes only and does not constitute legal advice. While we strive to ensure the accuracy and relevance of the content, legal information may change over time, and interpretations of the law can vary. You should always consult with a qualified legal professional for advice specific to your situation.

We disclaim all liability for actions taken or not taken based on the content of this page. If you believe any information is incorrect or outdated, please contact us, and we will review and update it where appropriate.