

Learn how to verify whether a Turkish company is legally reliable before signing a contract. This 2026 guide explains Trade Registry, MERSIS, authorization, litigation, tax, licensing, data protection, sanctions, and contract checks for foreign businesses.
Signing a commercial contract with an unfamiliar company can expose a foreign investor, supplier, distributor, service provider, landlord, purchaser, or international business to substantial legal and financial risk. A company may appear professional online while having insufficient authority, undisclosed debts, inactive registrations, regulatory problems, litigation exposure, or representatives who are not legally entitled to bind the business.
Before signing any agreement in Turkey, foreign parties should conduct structured legal due diligence rather than relying only on a website, business card, invoice, email signature, or verbal assurance.
The reliability of a Turkish company cannot be established through a single database search. A proper verification process should confirm the company’s legal existence, registration details, current shareholders and directors, representation authority, financial standing, regulatory status, litigation exposure, tax information, contractual capacity, and operational credibility.
This 2026 guide explains the most important steps for verifying whether a Turkish company is legally reliable before entering into a binding contract.
A properly incorporated Turkish company is a legal entity separate from its shareholders. However, the mere existence of a registered company does not guarantee that it is financially stable, actively operating, legally compliant, or represented by the person negotiating the contract.
Foreign companies may face problems such as:
Verification should therefore be completed before any payment, shipment, transfer of confidential information, appointment of a distributor, formation of a joint venture, or execution of a long-term commercial agreement.
The first step is to obtain the company’s complete registered trade name.
Turkish companies commonly operate under commercial brands that differ from their official legal names. A company may advertise itself under a short brand name while its contracts, invoices, bank accounts, licences, and registry records use a longer registered title.
The contract should identify the company exactly as it appears in the Trade Registry, including its legal form, such as:
The legal name should be checked against the company’s:
Even a minor difference in the company name may indicate that the counterparty is not the entity the foreign business intended to contract with.
The Turkish Trade Registry Gazette is one of the most important official sources for reviewing a company’s legal history.
The Gazette may contain announcements concerning:
The official Trade Registry Gazette website provides announcement and trade-name search functions. Investors should review not only the latest announcement but also the company’s historical publications to identify changes in management, capital, registered address, business scope, or legal status.
A company that has changed directors, address, or shareholders repeatedly within a short period may require enhanced due diligence.
The Central Registry Record System, known as MERSIS, is operated by the Turkish Ministry of Trade. It is used for company registration, amendment, authorization, and related commercial registry procedures. Access may require a registered account, electronic signature, mobile signature, or e-government authentication depending on the transaction and information requested.
The company should be asked to provide its MERSIS number.
A MERSIS number is generally a unique identifier used for legal entities registered within the system. The number should match the information appearing on:
The existence of a MERSIS number is helpful, but it should not be treated as proof of financial reliability or regulatory compliance. It confirms registry-related identity, not overall commercial trustworthiness.
Foreign counterparties should request a recently issued Trade Registry Certificate or activity certificate from the relevant Chamber of Commerce or Trade Registry Directorate.
The certificate should generally confirm:
The document should be recent. An old certificate may not reflect changes in directors, representation powers, registered address, liquidation status, or business activity.
For high-value transactions, the document should preferably be independently verified rather than accepted only as a scanned copy sent by the counterparty.
One of the most important legal checks is determining whether the individual signing the contract has authority to bind the company.
A shareholder, general manager, employee, sales director, branch manager, consultant, or relative of the owner does not automatically have legal signing authority.
Signing authority should be confirmed through documents such as:
The review must determine whether the representative may sign:
A contract may become disputed or unenforceable if it is signed by a person who lacks proper representation authority.
A signature circular is frequently used to demonstrate the signature specimens and representation authority of company representatives.
However, foreign businesses should not rely on the document automatically.
The following should be checked:
A signature circular issued several years earlier may no longer reflect the company’s current representation structure.
Where a power of attorney is used, the specific transaction should fall within the wording of that power. General commercial language may not be sufficient for transactions requiring special authority.
The company’s registered address should be compared with:
A site visit may be appropriate where the transaction involves manufacturing, warehousing, construction, logistics, high-value goods, real estate, machinery, or long-term supply commitments.
Warning signs may include:
The use of a shared or virtual office is not automatically unlawful, but it may require further investigation depending on the nature of the business.
The company should provide its tax identification number and current tax certificate.
The information should match:
A tax certificate alone does not establish that the company has no tax debt. Depending on the transaction, the foreign party may request:
Financial and tax information should be obtained through lawful and proportionate due-diligence procedures, subject to confidentiality and data-protection obligations.
Payments should normally be made only to a bank account held in the exact registered name of the contracting company.
Particular caution is required where payment is requested to:
Bank account changes sent only by email should be verified through an independent communication channel. Business email compromise and fraudulent payment instructions can result in substantial losses.
The contract should clearly identify:
For significant transactions, a confirmation letter from the company’s authorized representative may be appropriate.
The articles of association may help determine whether the proposed transaction falls within the company’s corporate structure and internal authority framework.
The review should consider:
Although Turkish companies may generally conduct commercial transactions within the applicable legal framework, internal approval requirements can still affect authority, governance, and transaction risk.
The registered capital of a company does not necessarily represent its available cash or ability to perform a contract. Nevertheless, unusually low capital compared with the value of the proposed transaction may be a risk indicator.
Foreign counterparties should examine:
Where performance depends on a parent company, affiliate, shareholder, or foreign group entity, the contract should include appropriate guarantees rather than relying on informal group support.
Understanding who ultimately owns or controls the company is essential for anti-money-laundering, sanctions, fraud, reputational, and compliance purposes.
The legal shareholder shown in company documents may itself be another company. The ownership chain should therefore be traced until the individuals or ultimate controlling entities are identified.
Enhanced checks may be necessary where:
Beneficial ownership verification should be documented and periodically updated during long-term business relationships.
A legally registered company may still face significant lawsuits, enforcement proceedings, insolvency risk, or asset seizures.
A legal review may examine, to the extent lawfully accessible:
Not all case information is publicly accessible. Some searches require legal authorization, case-party status, consent, or examination by Turkish counsel through appropriate legal channels.
The absence of publicly available litigation records should therefore not be interpreted as proof that no disputes exist.
Before entering into a major contract, investors should determine whether the company:
Practical indicators of financial distress may include:
Where appropriate, the contract should require security such as a bank guarantee, letter of credit, parent-company guarantee, escrow arrangement, retention mechanism, pledge, mortgage, or advance-payment guarantee.
For material transactions, the counterparty should be asked to provide recent financial information.
This may include:
The review should determine whether the company has sufficient financial capacity to perform the contract.
Particular attention should be paid to:
Financial verification should be conducted together with legal, tax, and accounting professionals where the transaction value is substantial.
Registration as a company does not automatically authorize it to conduct every type of business.
Depending on the sector, the company may require licences, permits, certificates, approvals, or registrations from competent authorities.
Regulated areas may include:
The licence should be checked for:
A contract with an unlicensed operator may be unlawful, unenforceable, commercially useless, or exposed to administrative sanctions.
Companies engaged in electronic commerce may be subject to registration and notification obligations through the Electronic Commerce Information System, known as ETBIS, depending on the nature of their activities.
The Ministry of Trade operates the ETBIS platform for relevant businesses and institutional users.
For online sellers, digital platforms, marketplaces, and e-commerce service providers, foreign parties should verify:
A professional website alone does not establish legal reliability.
A Turkish company processing personal data must comply with Law No. 6698 on the Protection of Personal Data and related regulations.
The law applies to natural and legal persons that process personal data and imposes obligations concerning lawful processing, transparency, security, retention, data-subject rights, and transfers.
Depending on its status and applicable exemptions, a company may also be required to register with the Data Controllers’ Registry Information System, known as VERBIS. The official system is intended to provide information about data controllers and improve transparency regarding personal-data processing.
A data-protection review should examine:
This is particularly important where the contract involves customer lists, employee data, health data, payment information, software services, cloud systems, marketing databases, or cross-border data transfers.
Foreign companies should screen the Turkish counterparty, its shareholders, directors, beneficial owners, banks, and relevant affiliates against applicable sanctions and restricted-party lists.
The review should reflect the laws governing the foreign investor as well as the transaction.
Depending on the circumstances, checks may cover:
A company may not be directly listed but may still create sanctions exposure because of ownership, control, intermediaries, goods, banks, shipping routes, or destination countries.
The Turkish Competition Authority investigates agreements, decisions, and practices that restrict competition under Law No. 4054. The Authority publishes legislation, announcements, and many Competition Board decisions through its official website.
A search may reveal whether the company or its sector has been involved in matters concerning:
This is especially relevant for distributors, manufacturers, digital platforms, retailers, pharmaceutical companies, automotive businesses, technology providers, and companies with significant market power.
Where the proposed relationship involves a brand, software, product, patent, design, franchise, licence, or technology, the company’s intellectual property rights should be verified.
The review should determine:
A distributor or reseller may use a well-known brand without being legally authorized to grant rights relating to that brand.
Legal documents should be supported by practical commercial verification.
The foreign party may request:
References should be independently contacted using verified details rather than telephone numbers supplied only by the company.
Depending on the transaction, the company should maintain suitable insurance, such as:
The policy should be reviewed for:
A certificate of insurance should not be accepted without checking that it relates to the contracting legal entity.
Digital identity verification can reveal inconsistencies.
Foreign parties should compare:
Risk indicators may include:
These indicators do not independently prove fraud, but they justify enhanced verification.
A broad search may identify:
Media reports must be assessed carefully. Unverified allegations should not be treated as established facts. The company should be given an opportunity to explain serious findings before a final risk decision is made.
Before signing, a foreign counterparty may request a document package containing:
The scope should be proportionate to the size, sector, duration, and risk level of the transaction.
Even comprehensive due diligence cannot eliminate every risk. The agreement should contain contractual protection.
Important clauses may include:
Generic templates should not be used without reviewing whether they are enforceable and suitable under Turkish law.
Where certain risks remain unresolved, the transaction may be made subject to conditions precedent.
Examples include:
The contract should state clearly what happens if the condition is not satisfied by the agreed deadline.
Payment structure is a major part of legal risk management.
Safer mechanisms may include:
Large advance payments without security should be avoided where the counterparty has not been independently verified.
Foreign businesses should proceed cautiously where the Turkish company:
No single warning sign necessarily proves illegality. Several combined warning signs may justify suspending the transaction.
In 2026, foreign investors should adopt a broader approach to counterparty verification.
Particular attention should be given to:
Regulatory compliance should not be assessed only on the date of signing. Long-term contracts should require periodic updates and immediate notification of significant legal, ownership, regulatory, financial, or operational changes.
Some basic checks can be completed directly through official sources. However, registry documents may be in Turkish, authority rules may be complex, and litigation or enforcement information may not be publicly available.
A Turkish lawyer can assist by:
Legal assistance is particularly important where the transaction involves significant advance payments, exclusivity, distribution rights, regulated activities, intellectual property, real estate, share acquisitions, long-term supply obligations, or cross-border data transfers.
You can review its Trade Registry announcements, request a current Trade Registry Certificate, verify its MERSIS number, and compare those records with its tax, signature, address, and bank information.
No. It confirms registry-related information but does not prove financial strength, legal compliance, absence of litigation, operational capacity, or commercial reliability.
Review the latest Trade Registry announcements, signature circular, board resolutions, internal authorization rules, and any power of attorney. The documents must be current and consistent.
Generally, payment should be made to an account held in the exact legal name of the contracting company. Requests to pay a director, shareholder, employee, or unrelated third party require careful legal and financial verification.
Some information may be available through official publications or authorized legal channels, but court and enforcement records are not universally open to the public. A Turkish lawyer may be required to conduct lawful and transaction-specific checks.
Request recent financial statements, independent audit reports, debt information, receivables data, bank references, tax and social security documentation where appropriate, and evidence of operational capacity.
At minimum, request a current Trade Registry Certificate, relevant Gazette records, MERSIS number, tax certificate, signature circular, authorization documents, bank account confirmation, licences, and identification of the authorized signatory.
No. Many commercial contracts may be valid without notarization. However, certain transactions require a specific legal form, notarization, registration, or official execution. The form requirement must be assessed according to the transaction.
Refusal to provide basic corporate and authorization documents is a serious warning sign. The foreign party should avoid making payments or signing until the company’s identity, authority, and reliability are adequately verified.
Verifying a company before signing a contract can prevent fraud, unauthorized transactions, payment disputes, regulatory exposure, and costly litigation.
Fırat Fesih Kaya Law Office assists foreign investors, international businesses, exporters, importers, suppliers, distributors, and corporate clients with Turkish company verification, commercial due diligence, contract drafting, representation-authority reviews, regulatory compliance, and dispute-prevention strategies.
Obtaining a legal assessment tailored to your transaction before signing may protect your investment and prevent avoidable loss. Managing the process with an experienced lawyer ensures that corporate records, authorization documents, licences, payment mechanisms, and contractual protections are reviewed correctly.
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
Disclaimer: This article is provided for general informational purposes only and does not constitute legal advice. Every transaction should be assessed according to its specific facts, documents, commercial structure, and applicable legislation.