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Key practice areas
General corporate tax
Indirect tax
Tax
Tax controversy
Transactional tax
Firm overview

Balcıoğlu Selçuk Eymirlioğlu Ardıyok Keki is an Istanbul-based full-service law firm led by experienced professionals since 2007. Drawing on broad experience gained at Turkish and global law firms and international organizations, we have a strong team of almost 100 lawyers, economists, experts and former academicians, each well equipped to provide creative and diligent transaction counselling and cutting-edge legal services.

Our practice areas include corporate and M&A, banking and finance, capital markets, competition and antitrust, public policy and regulation, employment and labor, project finance, real estate and construction, infrastructure and PPPs, franchising and distribution, trade, WTO and customs, intellectual property, data and technology, data protection, privacy and cybersecurity, arbitration, litigation and dispute resolution, and tax.

Our Firm has gained an outstanding reputation and valued clientele by tailoring effective legal solutions to a broad spectrum of clients of all sizes, individuals; entrepreneurs; small businesses and start-ups; governments and government agencies; and mid-sized and larger private and public corporations, including international and global entities.

We represent and advise national and multinational clients, including Fortune 500 companies operating in various sectors including financial services, energy and natural resources, private equity, real estate, hospitality and leisure, consumer goods and retail, automotive, technology, media and entertainment, telecommunications, gaming, life sciences, luxury fashion and beauty.

 
Sectors expertise
  • Automotive
  • Communications
  • Construction
  • Energy
  • Financial Institutions
  • Forest Products and Agribusiness
  • Hotels and Leisure
  • Infrastructure and PPP
  • Life Sciences and Health Care
  • Luxury, Fashion and Beauty
  • Manufacturing
  • Maritime
  • Media, Entertainment and Sports
  • Real Estate
  • Retail
  • Technology
  • Transportation
Practices
  • Arbitration
  • Banking and Finance
  • Capital Markets
  • Competition and Antitrust
  • Corporate
  • Employment and Labor
  • Energy
  • Environmental and Natural Resources
  • Franchising and Distribution
  • Insurance
  • Intellectual Property, Data and Technology
  • Litigation and Dispute Resolution
  • Mergers and Acquisitions
  • Mining
  • Private Equity
  • Public Policy and Regulation
  • Real Estate
  • Restructuring, Insolvency and Bankruptcy
  • Securities and Corporate Finance
  • Tax
  • Trade, WTO and Customs
Address:
Büyükdere Caddesi Bahar Sokak No.13
River Plaza Kat 11
34394 Levent, Şişli Istanbul
Tel:+90 212 329 30 00 Fax:+90 212 329 30 31
2026 Edition
General corporate tax
Tier 2
21 firms ranked
View full list

Tier 1

Deloitte
7 practice areas
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EY
7 practice areas
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Esin Attorney Partnership
4 practice areas
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Mazars Denge
3 practice areas
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NAZALI
5 practice areas
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PwC
7 practice areas
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Tier 2

BDO Denet
3 practice areas
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Centrum Turkey
5 practice areas
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Erdem & Erdem Law Office
3 practice areas
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Grant Thornton
5 practice areas
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KPMG
7 practice areas
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Penezoglu Law Firm
5 practice areas
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Tier 3

GSG Attorney at Law
3 practice areas
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Pekin & Pekin
3 practice areas
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White & Case
3 practice areas
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Tier 4

Baker Tilly Güreli
2 practice areas
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Bezen & Partners
3 practice areas
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Sigma Yeminli Mali Müşavirli
2 practice areas
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Çelen SMMM
3 practice areas
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Özdirekcan Bilgiç Dündar
2 practice areas
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Indirect tax
Tier 2
4 firms ranked
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Tier 1

EY
7 practice areas
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NAZALI
5 practice areas
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Tier 2

Centrum Turkey
5 practice areas
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Tax controversy
Tier 2
10 firms ranked
View full list

Tier 1

Esin Attorney Partnership
4 practice areas
View profile
GSG Attorney at Law
3 practice areas
View profile
NAZALI
5 practice areas
View full profile
Penezoglu Law Firm
5 practice areas
View full profile

Tier 2

Centrum Turkey
5 practice areas
View profile
EY
7 practice areas
View profile
Erdem & Erdem Law Office
3 practice areas
View full profile
KPMG
7 practice areas
View profile

Tier 3

Bezen & Partners
3 practice areas
View profile
Overview

Balcıoğlu Selçuk Eymirlioğlu Ardıyok Keki Attorney Partnership (BASEAK), a full-service Istanbul-based law firm affiliated with Dentons, offers comprehensive tax law expertise. Led by Dr. Gökçe Sarısu Kanmaz, a seasoned practitioner with nearly 20 years of experience, the tax team handles litigation, audits, M&A taxation, and international tax matters. She is supported by Görkem Haraççı Salar, a senior associate with a decade of experience. The team collaborates with other practice areas including corporate, litigation, and finance, and is recognized for its client service and legal excellence by industry publications. BASEAK comprises nearly 100 lawyers with global and local experience. 

During the research phase, the firm assisted a leading distributor and solutions aggregator for the IT ecosystem oncomplex tax matters and requires an understanding of M&A transactions to guide the client in a more precise way from tax perspective. 

Client feedback

“Always available, easy to reach, good know how.” 

Firms announced tax hires and promotions across Europe and the US, while fresh figures from Ireland showed corporation tax receipts edging down in the first quarter
Almost three-quarters of surveyed tax professionals are concerned about inaccurate AI outputs; in other news, Dentons hired a partner from CMS to lead its Belgian tax team
The long-running dispute centres on Medtronic’s use of the comparable uncontrolled transaction TP method; in other news, Paul Hastings and FTI Consulting both made double tax hires
The US itself was the biggest loser of tax revenue to American multinationals’ profit shifting, the Tax Justice Network reported; in other news, firms made key tax hires
Using tax to enhance its standing as a funds location is behind Luxembourg’s measures aimed at clarifying ATAD 2 and making its carried interest regime more attractive
Overall turnover at the firm also reached a record £8 billion; in other news, Ashurst and Dentons announced senior tax partner hires
Project 2025 would leave the US ‘on the sidelines’ in the global development of rules and standards in international tax, one expert tells ITR
New addition joins the firm from a Big Four office
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