Foreign Shareholder’s Signature Forged on Company Documents in Turkey: Civil and Criminal Remedies (2026 Updated Guide)

A foreign shareholder discovers a forged signature on Turkish company documents. Learn how to challenge false resolutions, protect company assets, preserve evidence, file criminal complaints and seek urgent civil remedies.

A foreign shareholder who discovers that their signature has been forged on company documents in Turkey may face much more than an internal shareholder dispute. A forged signature can be used to create the appearance that the shareholder approved a share transfer, capital transaction, general assembly resolution, management appointment, company contract, guarantee, bank instruction or other corporate action that they never authorized. Depending on the document and circumstances, the incident may create commercial, corporate, civil and criminal consequences simultaneously. The foreign shareholder should act quickly to preserve original documents, prevent further transactions, challenge unauthorized corporate actions and determine whether urgent judicial protection is required.

Which Company Documents Can Be Affected by Signature Forgery?

Forgery can arise in general assembly minutes, shareholder resolutions, share-transfer documents, board documents, powers of attorney, company contracts, bank instructions, guarantees, loan documents, settlement agreements and documents submitted to public registries or other institutions.

The legal strategy depends heavily on what document was forged and what transaction was subsequently carried out using it.

First Determine Exactly What Was Signed

The shareholder should obtain the complete document rather than relying on a photograph or verbal explanation. Examine every page, attachment, date, signature block and reference to other corporate records.

A signature appearing on one document may have been used to support several subsequent transactions.

Preserve the Allegedly Forged Document

Evidence preservation should begin immediately. Obtain copies from every available legitimate source and identify where the original is held.

If the document was submitted to a registry, bank, notary, accountant or another institution, records showing when and by whom it was submitted may become important.

Do Not Alter the Document

The foreign shareholder should preserve the document in its existing form. Notes, markings or digital modifications can complicate later examination.

Where only an electronic copy is available, preserve the original file and associated correspondence.

Can Handwriting and Signature Examination Be Requested?

Yes, signature authenticity can become the subject of expert examination during judicial proceedings. The disputed signature may be compared with reliable genuine signature samples.

The quality and origin of comparison material can therefore be important.

Preserve Genuine Signature Samples

Collect genuine signatures from documents created independently of the dispute. Examples may include historical corporate documents, banking records, official applications and other reliable records.

The objective is to provide appropriate comparison material rather than producing signatures specifically for the dispute alone.

Electronic Evidence Can Be Equally Important

The case may involve emails, messaging applications, scanned documents, electronic signatures, document metadata and company-system records.

Preserve the original electronic evidence rather than relying solely on screenshots.

Determine Who Prepared the Document

Identify the person who drafted the document, who presented it for signature, who witnessed or processed it, and who ultimately used it.

The person who physically created a forged signature and the person who knowingly used a forged document may raise different factual questions.

Identify Who Benefited From the Forgery

Ask what changed after the forged document appeared.

Did another shareholder obtain control? Were shares transferred? Was a director appointed? Was money withdrawn? Was a company asset sold? Was a bank guarantee created?

Following the economic benefit often helps reveal the broader transaction.

Forged Share Transfer Documents

If the forged signature was used to transfer the foreign shareholder’s shares, immediate corporate and judicial action may be necessary.

The shareholder should investigate the purported transfer agreement, corporate approvals, share ledger, registry records and any consideration allegedly paid.

Challenge Unauthorized Share Transfers

A forged signature does not represent genuine consent. However, the practical legal consequences of a purported share transfer depend on the company type, transaction structure and subsequent corporate acts.

The shareholder should therefore challenge both the underlying document and any corporate consequences based upon it.

Forged General Assembly Documents

A shareholder may discover that minutes falsely state that they attended, voted or approved a resolution.

The legal validity of the resolution and available challenge depend on the nature of the defect and applicable company-law rules.

Meeting Attendance Should Be Verified

Check attendance records, proxies, travel records and other evidence showing whether the foreign shareholder was actually present.

For a shareholder living abroad, passport movements and travel evidence can sometimes become particularly relevant.

Forged Powers of Attorney

A forged power of attorney can create serious risks because it may be used to execute additional transactions.

Determine immediately whether the document has been used before a bank, registry, notary, court or other institution.

Revoke Genuine Authorities Separately Where Necessary

If the shareholder previously granted genuine authority to someone but now disputes its use, the problem may not technically be signature forgery.

The scope and continuing validity of genuine powers of attorney should therefore be reviewed separately.

Forged Bank Instructions

Where the document was used to transfer company funds, notify the relevant financial institution through appropriate channels and preserve transaction records.

Identify beneficiaries, dates, amounts and authorization mechanisms.

Unauthorized Guarantees and Company Debt

A forged corporate document may be used to make a company appear to have approved a loan, guarantee or security arrangement.

These disputes can involve the validity of the underlying obligation as well as the responsibility of the persons who created or used the document.

Criminal Complaint May Be Available

Depending on the nature of the document and conduct, creating or knowingly using a false document can potentially trigger criminal-law consequences under Turkish law.

The precise offense depends on whether the disputed material constitutes an official or private document and on the facts surrounding its creation and use.

Private Document Forgery

Forgery involving private company documents may potentially be evaluated under provisions concerning forgery of private documents where the statutory elements are satisfied.

The specific document and manner in which it was used should be examined carefully.

Official Document Issues Can Be More Serious

If false information or signatures become incorporated into official documentation or other conduct involving official documents occurs, different criminal-law provisions may become relevant.

The classification should be determined from the actual document rather than assumed from the fact that the dispute concerns a company.

Forgery and Fraud May Overlap

If a forged signature was used as part of a scheme to obtain money, shares, property or another economic benefit, the conduct may raise additional criminal-law issues.

The prosecution file should therefore explain the entire transaction rather than treating the signature in isolation.

Breach of Trust or Corporate Offenses May Also Be Relevant

Where managers or other persons misuse company property or authority, additional criminal or corporate liability may need to be considered depending on the facts.

Not every corporate dispute is automatically criminal, however. Each alleged offense requires its own legal elements.

File a Detailed Criminal Complaint

A useful complaint should identify the disputed document, explain why the signature is denied, identify available genuine samples, describe how the document was used and identify resulting transactions or losses.

Relevant documents should be organized chronologically.

Request Preservation of Original Documents

Where there is a risk that originals may disappear or be altered, appropriate preservation measures should be considered promptly.

The original document can be particularly important for forensic examination.

Obtain Corporate Records

Collect articles of association, trade registry records, shareholder records, general assembly documentation, management resolutions and relevant corporate books.

The objective is to reconstruct the corporate position before and after the alleged forgery.

Review Trade Registry Changes

Determine whether the forged document resulted in a change to registered directors, representation authority, company address, capital or another registered matter.

If so, the corporate consequences may require separate legal action.

Civil and Commercial Proceedings May Be Necessary

A criminal complaint alone may not restore the shareholder’s corporate position.

Depending on the transaction, separate commercial or civil proceedings may be required to challenge resolutions, establish rights, prevent implementation of disputed acts or address resulting losses.

Do Not Wait for the Criminal Case to Finish Automatically

Foreign shareholders sometimes assume that filing a criminal complaint will automatically reverse every corporate transaction.

That assumption can be dangerous. Corporate challenge periods and urgent commercial remedies may need to be protected independently.

Interim Injunctions Can Be Critical

Where there is an immediate risk that shares, money or company assets will be transferred, urgent interim protection may need to be considered.

The appropriate measure depends on the asset and legal dispute.

Prevent Further Share Transfers

If control of the company is being changed through disputed documents, the shareholder should evaluate measures designed to preserve the existing position while the dispute is litigated.

Timing can be crucial where additional transfers are threatened.

Protect Company Assets

Check whether real estate, vehicles, intellectual property, bank funds or other significant assets are being transferred.

A signature-forgery dispute can sometimes be only one element of a broader attempt to remove value from the company.

Examine Bank Authority Immediately

Determine who currently has authority over company bank accounts and whether representation powers have recently changed.

If disputed corporate documents were used to obtain banking authority, the bank should be informed through appropriate legal channels.

Review Representation Authority

Trade registry and internal company records should be examined to identify who can currently bind the company.

This is particularly important where the alleged forgery was used to appoint or remove directors.

Preserve Accounting Records

Accounting records can reveal payments, transfers, loans and transactions that followed the forged document.

Obtain available ledgers, bank statements, invoices and supporting records.

Follow the Money

If funds were transferred after the forged signature was used, identify the receiving accounts and subsequent movements as far as legally possible.

This may become relevant to both compensation and criminal proceedings.

Can Bank Accounts or Assets Be Protected?

Depending on the legal basis, evidence and urgency, judicial protective measures may potentially be available.

The shareholder should identify the specific asset and risk rather than requesting overly broad protection without supporting evidence.

Third Parties May Become Involved

A forged document may have been presented to banks, purchasers, lenders or other third parties.

Their knowledge, good faith and role can affect the resulting legal analysis.

Notify Relevant Parties Carefully

Where appropriate, formal notification can prevent third parties from later claiming that they were unaware of the dispute.

However, communications should be accurate and professionally drafted to avoid creating unnecessary additional disputes.

Foreign Shareholders Should Preserve Travel Evidence

If the disputed document allegedly bears the shareholder’s physical signature on a date when the shareholder was outside Turkey, travel records may provide important supporting evidence.

Preserve passport records, tickets and other reliable documentation.

Video and Building Records May Help

If the disputed signing supposedly occurred at an office or meeting, available security records, visitor logs and meeting evidence may be relevant.

Such evidence can disappear quickly, so preservation should be considered early.

Messaging Records Can Reveal the True Transaction

Emails and messages discussing the proposed transaction before or after the alleged signing may show whether the shareholder actually approved it.

Preserve complete conversations rather than isolated screenshots.

Do Not Delete Communications

Even communications that initially appear unfavorable should be preserved. Selective deletion can create evidentiary problems and may remove context important to the defense.

What If a Scanned Signature Was Copied?

A genuine signature taken from another document and digitally inserted into a new document can also create serious legal issues.

Digital forensic examination may help identify copying, editing or inconsistencies in the electronic file.

What If the Shareholder Previously Signed a Blank Page?

This can make the factual dispute more complicated but does not necessarily establish authorization for whatever document was later created.

The circumstances in which the signature was originally provided should be documented carefully.

Language Problems Can Be Relevant

A foreign shareholder may have signed a document without understanding its contents because it was presented only in Turkish.

That is legally different from denying the signature entirely. The defense strategy should distinguish forgery from allegations involving mistake, deception, lack of informed consent or misuse of authority.

Do Not Make Inconsistent Claims

A shareholder should avoid simultaneously claiming that the signature is forged and that they signed the document without understanding it unless the factual circumstances genuinely support alternative legal arguments.

Consistency is important in both criminal and commercial proceedings.

Company Books May Need Expert Examination

Where disputed resolutions appear in corporate books, the chronology, handwriting, page structure and other physical characteristics may become relevant.

Forensic and accounting examinations can complement signature analysis.

Damages May Be Claimed

If the forgery causes financial loss, compensation claims may potentially arise against responsible persons.

Losses should be documented with accounting and transactional evidence.

Loss of Share Value Can Be Complex

Where the shareholder alleges that misconduct reduced the value of their interest, valuation evidence may be required.

The claim should distinguish direct loss from losses suffered primarily by the company itself.

Foreign Judgments or Overseas Evidence May Be Relevant

If part of the corporate structure or evidence is located abroad, cross-border documents may need to be collected and presented in an appropriate form.

Foreign shareholders should start collecting such evidence early.

2026 Practical Defense Strategy

A foreign shareholder discovering a suspected forged signature should treat the matter as a combined evidence-preservation, corporate-control and criminal-defense problem. The first priorities are to secure the disputed document, obtain reliable genuine signature samples, determine how the document was used, identify corporate and financial changes, preserve digital and travel evidence and assess whether immediate judicial protection is required.

At the same time, the shareholder should examine criminal remedies and separate commercial proceedings rather than assuming that one case will solve every consequence of the forgery.

Frequently Asked Questions

Can a foreign shareholder file a criminal complaint for a forged signature in Turkey?

Potentially, yes. The appropriate criminal-law characterization depends on the type of document and how it was created and used.

Can handwriting experts determine whether a signature is forged?

Signature authenticity can be examined through forensic expert analysis using appropriate disputed material and genuine comparison samples.

Does a criminal complaint automatically cancel a forged share transfer?

No. Separate company-law or commercial remedies may be required to challenge the transaction and restore the shareholder’s position.

What if the forged signature was used on general assembly minutes?

The validity and consequences of the relevant corporate resolution should be examined separately, including any applicable challenge procedure and time limits.

Can the shareholder stop company assets from being transferred?

Depending on the evidence and urgency, interim judicial protection may potentially be sought. The appropriate remedy depends on the assets and underlying legal claim.

What if the shareholder was abroad on the alleged signing date?

Reliable travel evidence can be important supporting evidence where the document supposedly required the shareholder’s physical presence.

What if a genuine scanned signature was copied onto another document?

Digital copying of a genuine signature onto an unauthorized document can still create significant civil, commercial and criminal issues. Electronic forensic evidence may become important.

Should the bank be notified?

Where forged documents affect banking authority, guarantees or transfers, appropriate notification and protective action should be evaluated promptly.

Can damages be recovered?

Potentially. Compensation depends on establishing wrongful conduct, loss, causation and the responsibility of the persons involved.

What should the foreign shareholder do first?

Secure the disputed document and corporate records, preserve genuine signature samples and electronic evidence, determine exactly what transactions were carried out using the signature and evaluate urgent measures before additional shares, money or company assets can be transferred.

Client-Focused Legal Support for Foreign Shareholders

Signature forgery involving a foreign shareholder can develop into a complex dispute concerning company control, unauthorized share transfers, false corporate resolutions, banking authority, asset transfers, criminal investigation and compensation claims. Fırat Fesih Kaya Law Office assists foreign shareholders and international investors facing corporate fraud, forged documents and shareholder disputes in Turkey. Lawyer Fırat Fesih Kaya provides legal assistance in preserving evidence, challenging unauthorized corporate transactions, seeking urgent protective measures, filing criminal complaints and coordinating commercial and criminal proceedings.

Phone: +90 312 434 22 22
Mobile: +90 532 769 22 22
Email: info@firatfesihkaya.av.tr
Address: Mevlana Boulevard No:221, Yıldırım Tower, Office No:148, 06520 Balgat, Çankaya, Ankara, Turkey