Istanbul Lawyer & Law Firm | English Speaking Lawyers

MESSAGE FROM THE CHAIRWOMAN

At ONGUR & PARTNERS, we are proud to serve as a trusted legal partner for international clients who seek excellence, reliability, and strategic insight in their legal matters in Turkey. Our team of highly skilled and multilingual international lawyers in Turkey has extensive experience advising foreign investors, multinational companies, and government institutions on cross-border legal issues, international contracts, arbitration, and complex corporate matters.

Our success is built on professionalism, integrity, and a deep understanding of both Turkish law and foreign legal systems. We provide tailor-made legal solutions for our clients, whether they are entering the Turkish market, forming a company, investing in real estate, or managing international disputes. At ONGUR & PARTNERS, we believe in building long-term relationships that go beyond legal services—many of our clients become lifelong friends. We would be honored to welcome you into the ONGUR & PARTNERS legal family.

Av. Dr. Arzu ONGUR, Chairwoman
Dr. Arzu Ongur - Senior Turkish Business Lawyer in Turkey

DEFINING LEGAL EXCELLENCE IN ISTANBUL

CALL BY PHONE: +90 532 707 51 13
why work with ongurpartners

ONGUR & PARTNERS is an active member of several prestigious legal and business institutions:

  • International Bar Association (IBA)
  • Turkish Bar Union (TBB)
  • Ankara Bar Association (ABA)
  • Italian Chamber of Commerce and Industry (CCIIST)
  • International Law and Investment Association (ILIDA)

OUR TEAM

Expert Legal Support in Istanbul

Are you looking to hire a lawyer in Istanbul? Our team provides premium consultancy tailored for international investors and corporations in Turkey’s commercial heart.
☎️ CALL US

+90 532 707 51 13

📩 E-MAIL US

[email protected]

Avv. Dr. Arzu ONGUR, Ph.D.

Managing Partner | Chairwoman TURKINVEST International A.Ş. | International Arbitration & Investment Law Expert

Key Roles

  • Managing Partner – ONGUR & PARTNERS International Law Office | Chairwoman – TURKINVEST International A.Ş.
  • President – International Law Investments Association (ILIDA)
  • Board Member – CCIIST Italian Chamber of Commerce and Industries
  • Board Member – Turkish Bar Union Arbitration Centre
  • Representative – Turkish Bar Union at the International Bar Association (IBA)

Profile Summary

Dr. Arzu ONGUR is a leading international lawyer based in Istanbul, Turkey, with nearly 20 years of experience in cross-border legal and investment matters.

As Managing Partner of ONGUR & PARTNERS, she has represented over 500 international clients in complex disputes, including:

  • International arbitration
  • Foreign direct investment (FDI)
  • Competition and antitrust law
  • Commercial disputes

She also serves as Chairwoman of TURKINVEST International A.Ş., President of ILIDA, Board Member of CCIIST and the Turkish Bar Union Arbitration Center, and represents the Turkish Bar at the IBA.

A respected legal scholar and practitioner, she is the author of a book and multiple international articles on FDI, arbitration, international legal services, and competition law in Turkey.

Education

  • Ph.D. in Law – Ankara University, Faculty of Law (Focus: Competition Law)
  • Master’s Degree in International Law – University of Bologna, Italy
  • Master’s Degree – Collegio Europeo di Parma, Italy
  • LL.B. – Ankara University, Faculty of Law
  • Professional Training in Arbitration & ADR – Washington, D.C. & Florence, Italy

Areas of Expertise

  • International Arbitration – Milano Arbitration Center, LCIA, ICSID, ICC, UNCITRAL
  • Foreign Direct Investment Law in Turkey
  • Competition & Antitrust Law
  • Public Procurement & Government Contracts
  • Energy, Defense & Aviation Law
  • International Commercial Contracts
  • Company Formation & Cross-Border Transactions
  • Real Estate & Investment Licensing in Turkey

Languages

  • English – Fluent
  • Italian – Fluent
  • Turkish – Native
  • Sworn Translator – Certified in all three languages
Dr. Arzu Ongur

Dr. Arzu Ongur

Managing Partner & Senior Attorney

Dr. Arzu Ongur is a senior attorney-at-law specializing in International Investment Law, and Citizenship & Residency programs. As the founding partner of Ongur & Partners, with offices in Ankara and Istanbul, she provides strategic legal consultancy to high-net-worth individuals and global corporations. Holding an LL.M. in International Law, Dr. Ongur is a recognized authority on the Turkish CBI (Citizenship by Investment) legal framework.

Trusted International Expertise

Led by Dr. Arzu ONGUR, our firm combines 20+ years of local expertise with a global perspective to solve complex cross-border disputes.

☎️ CALL US

+90 532 707 51 13

📩 E-MAIL US

[email protected]

Finding a reliable English speaking lawyer in Istanbul is essential for foreign individuals and multinational companies seeking legal clarity and effective representation in Turkey’s commercial heart. At Ongur Partners, we understand that legal certainty begins with clear communication, especially when navigating the complex judicial landscape of a metropolis like Istanbul.

Our clients benefit from working directly with a team of English-speaking lawyers in Istanbul, eliminating the need for intermediaries or legal translators. This direct communication allows international investors to fully understand their legal position regarding Istanbul’s local regulations, evaluate risks accurately, and make informed decisions—ultimately increasing the likelihood of success in Turkish courts.

At Ongur Partners, our Istanbul legal team consists of internationally trained attorneys who have completed their LL.M. degrees abroad and are fully proficient in legal English. In addition, we provide seamless communication in both English and Italian, ensuring that our European and global clients can express themselves confidently throughout every stage of their legal process in Istanbul.

Whether you are an investor in the Istanbul real estate market, an entrepreneur establishing a business via the Istanbul Chamber of Commerce (ITO), or an individual seeking legal support, working with an experienced English speaking lawyer in Istanbul ensures that your rights are clearly understood and strongly protected across all Turkish jurisdictions.

 

“Choosing the right legal partner is one of the most critical decisions for companies operating in the Turkish metropolis. Whether you are making a strategic investment or managing a complex dispute, working with the best lawyer in Istanbul can significantly impact your outcome.

  1. Look for International Experience in Istanbul: When you want to hire a lawyer in Istanbul, prioritize those with LL.M. degrees and a track record with cross-border clients.

  2. Ensure Local Knowledge: The best lawyer in Istanbul should have a deep understanding of local court practices, specifically the Istanbul Commercial Courts and the Istanbul Trade Registry.

  3. English Speaking Capability: Clear communication with an English speaking lawyer in Istanbul eliminates risks and ensures your legal strategy is executed without translation errors.

At Ongur Partners, we combine global standards with deep local expertise to provide the highest quality representation in the heart of Turkey’s business capital.”

“Establishing a business in Turkey’s economic hub requires a precise understanding of local regulations. Company formation in Istanbul is a streamlined process but demands expert guidance to navigate the requirements of the Istanbul Chamber of Commerce (ITO) and local tax offices.

For foreign investors, company formation in Istanbul typically involves choosing between a Limited Liability Company (LLC) or a Joint Stock Company (JSC). Our team at Ongur Partners acts as a dedicated company formation agent in Istanbul, handling everything from drafting articles of association to obtaining tax identification numbers and registering with the Istanbul Trade Registry Office.

Whether you are setting up a new venture in the financial districts of Levent or Maslak, or establishing a representative office, working with a specialized law firm in Istanbul ensures that your business is built on a compliant and solid legal foundation.”

“Istanbul, standing as the economic engine of the country, attracts global corporations looking for strategic Mergers and Acquisitions (M&A) in Turkey. However, navigating the M&A landscape in the Turkish metropolis requires a deep understanding of local regulations and cultural business practices. Partnering with a premier law firm in Istanbul is a strategic necessity to execute successful cross-border deals.

Our business lawyers in Istanbul provide comprehensive oversight for M&A transactions, including exhaustive due diligence and transaction structuring that aligns with the Turkish Commercial Code. Whether it is an asset purchase or a share purchase, having a reliable lawyer in Istanbul ensures that the deal is built on a solid legal foundation.

Furthermore, most M&A deals involve significant physical assets. Our real estate lawyers in Istanbul investigate title deed (Tapu) records and zoning disputes to ensure that the acquired portfolio adds value rather than liability. At Ongur Partners, our English speaking lawyers in Istanbul act as a vital link, ensuring clarity and transparency throughout the entire acquisition process.”

“As Turkey’s primary business hub, Istanbul hosts a significant volume of international trade, which inevitably leads to complex legal disputes. Navigating commercial litigation in Istanbul requires a law firm that understands the local court dynamics and the specific practices of the Istanbul Commercial Courts.

At Ongur Partners, we provide expert representation for foreign investors in dispute resolution in Istanbul, offering a range of legal mechanisms including litigation, international arbitration, and mediation. While the state court system is the default for many, our litigation lawyers in Istanbul often recommend arbitration or mediation for faster and more confidential results.

Whether you are dealing with a breach of contract or a shareholder dispute, working with an experienced law firm in Istanbul ensures that your commercial interests are protected. Our team is well-versed in handling cases before the Istanbul Enforcement Directorates, ensuring that judicial decisions are effectively executed.”

“In the era of global commerce, Istanbul serves as a critical bridge for cross-border transactions. Drafting and reviewing international contracts in Istanbul has become a highly specialized field, as businesses must ensure their agreements comply with both Turkish law and global standards.

At Ongur Partners, we assist multinational corporations in the negotiation and execution of complex agreements within Istanbul’s diverse business sectors. Whether it is a sales agreement for a Maslak-based firm or a distribution contract involving the Istanbul Customs Directorates, our contract lawyers in Istanbul provide the expertise needed to mitigate risks.

A well-drafted contract is the first line of defense against future disputes. We focus on ensuring that dispute resolution clauses, choice of law, and enforcement mechanisms are clearly defined to protect your interests in the Turkish metropolis. Working with a specialized law firm in Istanbul ensures that your international contracts are not only legally sound but also strategically optimized for the Turkish market.”

 

Immigration & Residence Authorities

  • Directorate General of Migration Management:
    en.goc.gov.tr

    Official portal for residence permits and immigration procedures in Turkey.

  • Ministry of Foreign Affairs – Visa Portal:
    mfa.gov.tr/visa-info

    Consular requirements and visa regulations for foreign nationals.

Investment & Property Regulations

  • Invest in Turkey (Presidency Investment Office):
    invest.gov.tr

    The official guide for foreign direct investments and strategic legal incentives.

  • General Directorate of Land Registry and Cadastre (TKGM):
    tkgm.gov.tr/en

    Regulation of real estate acquisitions and title deed transfers for foreign investors.

Legal Framework & Official Gazette

  • Official Gazette (Resmi Gazete):
    resmigazete.gov.tr

    Daily publication of new laws, including Turkish Citizenship amendments.

  • Ministry of Justice – Legislation Database:
    mevzuat.gov.tr

    The complete, searchable database of all active Turkish Laws and Regulations.

Expert Istanbul Lawyer & Law Firm – Real Estate & Corporate Services | 20+ Years Experience

If you are looking to hire a lawyer in Istanbul, Ongur & Partners provides premium legal consultancy tailored for international clients. As a leading law firm Istanbul office, we specialize in high-value cases, ranging from real estate lawyer Istanbul services to Turkish citizenship by investment applications. Our English speaking lawyer in Istanbul team ensures that your corporate and personal legal matters are handled with 20+ years of local expertise and global standards.

ONGUR & Partners istanbul lawyer is one of the foremost international law firms based in Turkey, providing premium legal services to a wide array of companies conducting business between Italy and Turkey. Our team is composed of Turkish lawyers fluent in English and Italian, and we work closely with Italian legal partners on select projects to deliver the highest quality legal solutions. “Our experts in immigration citizenship law in turkey are ready to handle your applications.”

With the trade volume between Italy and Turkey reaching 30 billion USD, legal expertise in cross-border transactions has never been more crucial. Arzu ONGUR, Managing Partner of ONGUR & Partners, plays an instrumental role in this arena as a Board Member and the Official Representative of the Italian Chamber of Commerce and Industry (CCIIST) in Ankara—a historic NGO founded by the governments of Italy and Turkey in 1885.

Selecting the right Istanbul lawyer can be the difference between a seamless transaction and a legal hurdle. Our firm stands out because every Istanbul lawyer at ONGUR & Partners prioritizes transparent communication and result-oriented strategies. If you are seeking an Istanbul lawyer who understands the intricacies of international arbitration, our office is equipped to handle high-stakes dispute resolution.

Furthermore, an Istanbul lawyer at our firm does more than just interpret the law; they provide a roadmap for success in the Turkish market. We believe that a proactive Istanbul lawyer should identify risks before they become liabilities. This preventive approach is why clients consistently seek a specialized Istanbul lawyer from our prestigious team.

WHY CHOOSE ONGUR & PARTNERS INTERNATIONAL LAW FIRM?

Ankara-Istanbul Strategic Edge

"While Istanbul is the commercial heart of Turkey, Ankara is its administrative brain. Ongur & Partners bridges this gap perfectly. Our integrated legal team manages your commercial deals through our dedicated law firm in Istanbul, while simultaneously handling regulatory approvals, government relations, and ministry applications from our headquarters in Ankara. This dual-presence ensures that international investors receive both rapid commercial execution and solid regulatory compliance."

Commercial & Investment Authority in Istanbul

"Our Istanbul law office is strategically positioned to navigate the complex commercial landscape of Turkey’s financial capital. We provide specialized legal advocacy for high-net-worth individuals and global entities, focusing on high-value real estate acquisitions, corporate structuring, and cross-border transactions. By combining local market intelligence with international legal standards, we ensure that your investments in Istanbul are legally sound and protected under Turkish Law."

Proven Success in Turkish Citizenship

"Our track record in Turkish Citizenship by Investment cases is unmatched. Having handled hundreds of successful applications, our legal team provides a full-service approach—from property due diligence to the final passport issuance. We don't just provide legal advice; we provide results. As authors of leading analysis on CBI regulations for 2024-2025, we ensure your application is fast, secure, and compliant with the latest government mandates."

Transparency & International Trust

"At our law firm in Istanbul, we prioritize legal ethics and professional transparency above all else. We provide our clients with clear, fixed-fee structures and detailed legal reporting at every stage of their proceedings. Operating under international standards, we ensure that your personal data and legal interests are protected with the highest level of confidentiality. Our reputation as a trusted legal partner in Turkey is built on years of integrity and dedicated advocacy for our global clientele."

FREQUENTLY ASKED QUESTIONS

Visit Our Istanbul Office

Take the first step toward building a secure future. Our experienced team is here to guide you through every legal matter with precision.

📱 WHATSAPP

+90 532 707 51 13

☎️ ISTANBUL BRANCH OFFICE

+90 212 823 58 83

📩 E-MAIL US

[email protected]

Location : Şişli, İstanbul

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