Turkey

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Turkey

yilmaz.jpg

 

Güler Hülya Yilmaz

Deloitte

Deloitte Values House

Maslak Mahallesi, Eski Büyükdere Cad. No:1

Maslak No 1 Plaza

34398, Maslak – Sariyer, Istanbul

Turkey

Tel: +90 212 366 60 72

Mobile: +90 533 275 70 03

Email: hyilmaz@deloitte.com

Website: www.deloitte.com

Guler Hülya Yilmaz is a sworn certified financial consultant who leads the cross-border tax service line and has been responsible for the transfer pricing (TP) service line in the Turkish tax practice since June 2006. She started her career as an independent auditor in the audit department of the former Arthur Andersen in 1989 after her graduation from university. Hülya has specialised in international tax consultancy services since she began her career at Deloitte in 1993 after her post-graduate studies. She has significant experience in tax consultancy and tax planning that involves transfer pricing, legal and international tax aspects. She has also been actively involved in tax structuring for major M&A projects in Turkey.

Hülya became a tax partner in Deloitte Turkey's tax practice on June 1 2006 (as the first female tax partner within the Big 4 in Turkey). She is also the country leader for the life science and healthcare industry and is the Tax Learning Leader in Deloitte Turkey. She also has significant experience in serving multinational firms in the energy sector. She advises multinational clients in tax matters related to permanent establishment issues, application of tax treaties, restructuring, tax and TP related tax audit cases.

Her transfer pricing work covers TP documentation and planning projects across various sectors; cost allocation analysis and cost-sharing agreements; tax analysis of IP transfer or migration plans; TP audit defence; unilateral APA applications; TP analysis of contract R&D applications; and comparative analysis of the treatment of related party transactions in the New Turkish Commercial Code versus the Turkish Capital Market Law, considering the underlying TP implications.

Hülya is experienced in tax modeling and consultancy for energy project companies operating under the financing models of 'build-operate-transfer' (BOT) and 'transfer of operation rights' (TOR). She provides transfer pricing consultancy regarding unbundling transactions in the energy industry (generation, transmission, distribution, shared services and so on) under alternative tax structures. Hülya also provides TP documentation studies for the trading of specific materials in the mining sector (used in power generation) between related parties. She also has experience in income and profit attribution in relation to 'turnkey projects'.

Hülya speaks English and Turkish and has working knowledge of French. She holds a bachelor of arts degree in business administration from Marmara University and a master's degree in business administration from the Bogazici University.

She is a sworn financial consultant; a member of the Istanbul Chamber of Sworn Financial Consultants; a member of the Turkish branch of IFA; a member of the Association of Foreign Investors in Turkey (YASED) working group on life sciences and healthcare; and a member of the healthcare committee in the American Business Forum in Turkey, part of the American Chamber of Commerce (AmCham) Turkey.

deloitte-250.gif


Duygu Gultekin

Baker & McKenzie

Uluc Ozcan

Erdikler - Taxand

Guler Hulya Yilmaz

Deloitte

more across site & shared bottom lb ros

More from across our site

However, women in tax face greater career obstacles than their male counterparts, an exclusive ITR survey of more than 100 women tax leaders revealed
Under Jeff Soar’s leadership, WTS UK aims to scale to 100 partners within five years and challenge the big four
As the firm embarks on a major shakeup of its EMEA partnerships, some staff will be watching nervously
The buyout of Hucke and Associates continues Ryan’s streak of firm acquisitions; in other news, a UK appeal against VAT on private school fees was dismissed
Tax teams are responding to usual client demand in the region, albeit with increased working from home flexibility, local sources indicate
A 120-plus-day delay to refunds would cost taxpayers almost $3bn in additional interest, the Cato Institute warned; plus indirect tax updates from February
The Office for Budget Responsibility’s pessimistic pillar two forecast accompanied the UK chancellor’s muted Spring Statement, dubbed ‘as dull as possible’ by one adviser
Digital tax reform is dissolving the old ‘temporal buffer’, forcing systems, institutions, and professionals to adapt as real-time reporting reshapes governance, capability, and compliance
Our first instalment features analysis of Deloitte’s landmark EMEA merger, Donald Trump’s Supreme Court tariff showdown and Venezuela’s tax evolution
While some believe it could have a positive effect on the wider advisory landscape, others argue that HMRC’s ‘red tape’ exercise won’t deter bad actors
Gift this article