Dispute Resolution
Results-oriented support in preventing, managing and resolving disputes — with strategic representation on a local and international scale across litigation, arbitration and mediation.
Learn more →The trusted legal bridge between Türkiye and Europe.
We support the legal needs of businesses not through the lens of legislation alone, but with an expert, solution-oriented approach attuned to commercial reality, sector dynamics and the pace of trade.
126+
Countries with partners
$1.6Bn+
Advised on investment
39
Years of experience
1000+
Clients
01
We bring legal certainty together with commercial strategy
From litigation and arbitration to legal advisory; from mergers and acquisitions to due diligence, duty-of-care obligations and compliance processes; from corporate management support services to legal technologies and research and investigation processes — we offer organizations clear, workable and results-oriented solutions across a broad field.
Legal Advisory
Proactive and sustainable legal and compliance advisory that is attuned to business dynamics, anticipates risk and takes commercial reality into account.
Learn more →Transaction Advisory
Comprehensive transactional advisory that brings legal certainty together with commercial objectives across mergers and acquisitions, investments, corporate restructurings and other strategic transactions.
Learn more →Corporate Secretarial
Integrated support services combined with compliance advisory for corporate governance and financial operations — solutions that ease administrative burdens.
Learn more →Legal Tech
KVKK-compliant legal tech solutions that scale legal services with technology, from contract automation to data and document management.
Learn more →Research
Legally usable findings, from heirship and estate research to asset tracing, and from internal corporate investigations to digital evidence.
Learn more →
Our Client
Approach / Our Principle
Approach / Our Principle
We work with clients who understand the critical importance of engaging qualified lawyers and advisors — who see legal processes not as a formality, but as the foundation of their commercial success.
We accompany our clients with a forward-looking legal strategy and a capable team to support their sustainable commercial success.
02
Why Köksal?
01 — Bridge
A bridge for successful trade between Türkiye and Europe
For 39 years we have built a trusted bridge in commercial relations between Türkiye and, in particular, Germany and German-speaking Europe (the DACH region); knowing both sides' law, language and business culture from the inside, we produce strategic solutions adapted to local conditions.
02 — Network
Strong global advisory partnerships for international transactions
We combine our local depth with global reach. With our partner firms we work across 126 countries and more than 100 languages; in your cross-border transactions, we enable you to work side by side with experts who understand you and speak your language. Our entire team in Türkiye, Germany and Cyprus is fluent in German, English and Turkish.
03 — Structure
We deliver the capability of large firms with the quality of a boutique structure
With international competence, broad expertise and scalable working capacity, we provide all the advantages offered by large law firms. At the same time, thanks to our boutique and efficient structure, we offer continuity, direct partner-level communication and the one-to-one attention of senior experts — delivering client-specific solutions developed with the highest quality and care on every matter. By placing legal technology and artificial intelligence at the centre of our processes, we handle large-scale work with a leaner team and pass the efficiency we gain on to our clients at a more advantageous cost.
Track Record
We prove our word with our results.
A selection of the matters we have handled for our clients, from ongoing advisory to cross-border transactions. For confidentiality, the parties have been anonymized.
01 / 06
Transaction · M&A01 / 06
European industrial group
Review the matter →Cross-border acquisition of a manufacturing facility in Türkiye
End-to-end representation of the buyer in a multi-jurisdictional acquisition, from due diligence to closing.
Buy-siderepresentation of the buyer
Ongoing Counsel02 / 06
Turkish automotive supplier
Review the matter →Uninterrupted legal counsel for a multinational supplier
Retainer-based support across day-to-day commercial operations, contract management and compliance processes.
Retaineruninterrupted collaboration
Dispute · Arbitration03 / 06
German machinery manufacturer
Review the matter →Representation of a Turkish manufacturer in ICC arbitration
Strategy, case management and representation in a dispute arising from a cross-border supply contract.
ICCconcluded award
Investment · Greenfield04 / 06
DACH-region investor
Review the matter →Structuring an incentivised manufacturing investment
Management of company formation, the incentive certificate and compliance processes in a greenfield investment.
YTBnew jobs
ESG & Compliance05 / 06
Multinational textile group
Review the matter →Supply chain due diligence (LkSG) compliance programme
Risk assessment and compliance architecture for a Turkish supplier network under the German LkSG.
LkSGsupplier auditing
Market Access06 / 06
German consumer goods brand
Review the matter →Establishing a distribution network in Türkiye
Designing a market entry strategy, distributorship agreements and competition compliance.
Multi-countryregional structure
Strategic law for those who do not leave success to chance
Prof. Dr. iur. Mehmet Köksal founded Köksal Law Firm in 1987.
Since 2007, operating as an Attorney Partnership, the firm has been one of İstanbul's leading law firms, particularly in the field of German–Turkish commercial relations. With our deep expertise in the areas of law relating to international trade, our strong network and our multilingual team, we resolve complex legal matters with a strategic perspective; we offer every client high-value solutions tailored to their sector and needs.
Mid-sized companies, globally active companies, public institutions, associations and foundations — our clients are as diverse as our services and practice areas!
39yrs
Uninterrupted legal practice.
1000+
Client portfolio.
Artificial Intelligence & Legal Technology
Legal services empowered by technology.
We combine the talent and experience of our lawyers with the artificial intelligence and legal technology tools we develop in-house. The result: higher-quality outcomes, a shorter timeframe and a more predictable cost.
01 · Quality
Deeper analysis.
Case law and legislation are reviewed at scale; our lawyers devote their time to strategy and legal reasoning.
02 · Speed
Hours, not weeks.
Document review, contract analysis and due diligence accelerate exponentially with the right tools.
03 · Cost
Predictable fees.
Repetitive work becomes efficient; costs fall and fee arrangements become transparent and predictable.
The choice is yoursArtificial intelligence is optional; if you prefer, your matter is handled entirely by traditional methods.
Human oversight is essentialEvery output passes through the rigorous review of our lawyers for quality assurance.
Our own technology, your confidential dataNot off-the-shelf SaaS; our own in-house, on-premise infrastructure and anonymization.
Data Security
Your data, protected by professional secrecy.
From the highest standards of professional secrecy to anonymization in the use of artificial intelligence and optional end-to-end encryption, we safeguard client information with multi-layered technical and legal assurance.
Professional Secrecy & the Highest Confidentiality Standards
We are bound by the principle of attorney-client privilege far beyond legal requirements. Client information is protected by the strictest assurance of professional ethics and our internal policies.
Data Protection in AI Use
In artificial intelligence tools, client data is first anonymized; where possible, local AI systems not connected to the open network are preferred.
E2EE Encryption on Request
For sensitive communications and documents, end-to-end encryption can be enabled at the client's request; technical access is open only to authorized parties.
Full KVKK & GDPR Compliance
Personal data is under technical and legal safeguards. Every system access is subject to authentication; client information is under no circumstances shared with third parties.
03
Our Global Network
Köksal is the Türkiye member of the world's leading independent alliance of professional services firms.
Geneva Group International
One partnership, by your side in 126 countries.
For every cross-border matter, we give clients access through one relationship to trusted legal, tax and advisory firms worldwide — local expertise, global reach.
648
Member Firm
900+
Office
126
Country
32.000+
Professionals
Member Firm Network
Istanbul-based access126 countries · 900+ offices
01
One contact for cross-border matters
Through one relationship, our clients can reach selected professional-services firms in 126 countries.
02
Local expertise, global reach
We work with specialists who know the local rules in each jurisdiction, keeping your matters accurate and locally grounded.
03
Rapidly assembled teams
We rapidly bring together advisers from different countries and disciplines for your cross-border matters.
Part of GGI Professionals Birim
GCG Capital
GCG Capital (Geneva Capital Group), GGI's corporate-finance and M&A division, is a global network of investment-banking firms and M&A boutiques operating from more than 100 locations in 23 countries. Through this network, our clients can access specialist financial advisers for cross-border mergers, acquisitions and capital transactions.
Explore the GCG network gcg.com5,300+
Completed Transactions
93+ bn $
Cumulative Transaction Value
30%
Cross-Border Share
GGI Global Alliance AG is governed by Swiss law and acts solely as the alliance's administrative resource; it does not provide legal, audit or similar professional services to third parties. GGI members are legally independent and separate firms. GCG transaction figures are aggregate figures reported by network member firms (source: gcg.com).
04
Bar and Professional Associations
The bar and professional bodies to which our lawyers belong.
İstanbul Bar Association
International Bar Association
Rechtsanwaltskammer Berlin
Deutscher Anwaltverein
05
Chambers, Business Networks and International Institutions
The institutions in which we are active, including chambers of commerce, arbitration bodies and cross-border legal networks.
06
Focus Areas
Cross-disciplinary areas of expertise, built around the recurring needs of our clients, at the intersection of the classic practice areas.
01
Crisis Management
When companies face sudden legal, commercial, and reputational crises, we manage rapid decision-making, evidence preservation, communications, and dispute strategy from a single centre.
02White-Collar Crimes
Defence and preventive counsel in internal investigations, executive liability, fraud, breach of trust, bribery, embezzlement, and compliance violations.
03ESG & Sustainability
End-to-end advisory for Turkish and DACH companies on supply chain due diligence, LkSG/CSDDD, sustainability reporting, and ESG compliance.
04Residence, Work Permit & Citizenship
End-to-end support for foreign investors, executives, and employees across residence permit, work permit, citizenship, and company-linked immigration processes.
05Expansion into Germany
For Turkish companies expanding into Germany and the DACH region, we manage company formation, contracts, tax, workforce, compliance and dispute processes from a single point of contact.
06Expansion into Türkiye
For foreign investors entering the Turkish market, we structure company formation, investment incentives, contracts, employment arrangements, tax and compliance processes.
07Legal Tech
Product- and process-focused advisory on legal technologies, contract automation, data rooms, AI-assisted legal processes, and regulatory compliance.
08Data
From KVKK/GDPR compliance to data governance, from the EU Data Act and cross-border transfers to data contracts, licensing, and breach response; every legal layer of data in a single focus.
07
Departments & Regional Desks
Our regional desks work with teams that know the legal and commercial reality of each market.
08
Practice Areas
A broad spectrum of expertise, from commercial law to data protection, and from energy to supply chain due diligence.
Accounting & Tax LawCMR, Transport & LogisticsConstruction, Zoning & Real EstateEnforcement & Bankruptcy LawImmigration LawInsurance LawMedia & Press LawOccupational Health & SafetyPublic Procurement & Administrative LawCommercial LawCompany, Association & Foundation LawMergers & Acquisitions (M&A)Law of Obligations & ContractsEmployment LawCompetition LawIntellectual Property LawPersonal Data ProtectionSupply Chain Due DiligenceESG ComplianceForeign Direct InvestmentEnergy Law
09
Sectors
Solutions that speak the language of your business, with teams that know sector dynamics.
01Automotive02Infrastructure03Hotel & Tourism04Logistics05E-Commerce06Healthcare07Insurance08Defence & Aviation09Textiles10Export & Import11Energy01Automotive02Infrastructure03Hotel & Tourism04Logistics05E-Commerce06Healthcare07Insurance08Defence & Aviation09Textiles10Export & Import11Energy
12Real Estate & Construction13Technology14Iron & Steel15Retail16Associations & Foundations17Education18Media & Press19Agriculture20Banking & Finance21Chambers of Commerce12Real Estate & Construction13Technology14Iron & Steel15Retail16Associations & Foundations17Education18Media & Press19Agriculture20Banking & Finance21Chambers of Commerce
21 sectors served
All sectors →
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10
Knowledge Centre
Recent publications, the Legislation Radar and the most frequently asked questions — in three languages, in one place.
Go to the Knowledge Centre
Briefing Note
Product compliance when selling into the EU: GPSR, accessibility, and the new packaging regime
The new preconditions for selling into the EU go beyond legal texts: a responsible person under the GPSR, an accessible store under the BFSG,…
Read more →Article
Being a marketplace seller: 7 legal topics, from account suspension to the 1% withholding
Amazon, Etsy, Trendyol: the law of marketplace selling starts with the contract, continues with DSA verification and GPSR fields, and is tested by withholding…
Read more →Guide
E-commerce from Türkiye to the EU: VAT, OSS/IOSS and GDPR checklist
The three compliance layers of selling online to consumers in the EU: VAT registrations (OSS/IOSS), GDPR and consumer rules. A market-entry checklist for Turkish…
Read more →What kind of law firm is Köksal Attorney Partnership?Is the first attorney consultation free and how do I make an appointment?How are attorney’s fees determined?HomeCan a foreign arbitral award be enforced in Türkiye?A competitor had our listing taken down on a counterfeiting claim; how does the process work?
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Our Offices
Our team in İstanbul, Berlin and Kyrenia provides services in German, English and Turkish.
Türkiye
İstanbul
Şehit Polis Fethi Sekin Cad. No: 10, Uskumruköy Mah., Sarıyer, 34450 İstanbul, Türkiye
[email protected]We are an independent attorney partnership operating between Türkiye and German-speaking Europe since 1987. We serve organizations in dispute resolution, legal advisory, transactional advisory (M&A, investment) and corporate secretarial services.
Our entire team in İstanbul, Berlin and Kyrenia is fluent in Turkish, German and English. Contracts, meetings and correspondence can be conducted in these three languages.
Yes. Through our Berlin office and Germany Desk, we provide end-to-end support for Turkish companies expanding into Germany and for German companies in their business in Türkiye. Our founding partner is registered with the Rechtsanwaltskammer Berlin as a Turkish lawyer; matters of German law, and representation before the German courts, are carried by our partner firm activelaw in Germany — through a single point of contact.
Yes. Our clients range from mid-sized companies to global groups, and from public institutions to associations and foundations. Thanks to our boutique structure, we offer direct partner-level attention whatever your scale.
Reach out to us via the contact form or by email; we usually respond within one business day. In a short introductory meeting we understand your need, share the scope and fee framework, and, with your approval, assign the right team.
★
In the Press
Our firm, our partners and our legal views in the national and international press. We compile each item as a short summary, together with a link to the relevant source.
Legal NewsTurkey · Legal NewsCelalettin Cerrah’s lawyer speaks out!SabahInternational · NewspaperAttorney Mehmet KÖKSAL – Founder and President of the Court of Arbitration of the AHK German-Turkish Chamber of Industry and Commerce: “An impartial and knowledgeable expert is essential”Haber BayernInternational · News SiteRenowned Attorney Partnership Köksal in MunichPiyasaInternational · Economy NewsKöksal Attorney Partnership opened a branch in MunichThe Business YearInternational · Legacy Press ArchiveTALK OVER TEAHaberler.comGermany · News SiteAn Invitation to Invest
Contact
Never feel like a stranger in legal matters.
With 39 years of experience and our multilingual team, we are by your side for your legal needs across Türkiye and Europe.