Bringing Clarity to International Taxation: Focused on OECD Pillar 2 and Double Taxation Agreements

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Trusted Tax Expertise Backed by 15+ Years of Experience

I am Sworn-in CPA and Tax Partner at a consulting firm specializing in tax audit, certification, and advisory services. With extensive experience in tax compliance and risk management, my expertise covers Double Taxation Agreements (DTAs) and the implementation of OECD’s Pillar 2 framework. I support organizations in navigating complex international tax challenges, ensuring compliance and optimizing tax strategies within the evolving Turkish tax landscape.

Email

info@mehmetoztax.com

Phone

+90 506 471 82 94

Office Hours

Mon–Fri, 9:00–18:00 (GMT+3, Istanbul)

Advisory and Compliance Services on OECD Pillar 2

The OECD’s Pillar 2 rules introduce a 15% global minimum tax affecting multinational groups.
Advisory and implementation guidance on Qualified Domestic Minimum Top-up Tax (QDMTT) compliance, tailored for Turkish and cross-border operations.

Pillar 2 Readiness & Impact Assessment

Assess company exposure to Pillar 2, identify key gaps, and understand impact on taxes and compliance.

Effective Tax Rate Calculation

Accurately calculate global effective tax rate (ETR), top-up taxes, and ensure alignment with Pillar 2 requirements.

Filing & Documentation

Collect and document all required financial data, prepare filings, and maintain audit-ready documentation for QDMTT and GloBE reporting obligations

Double Taxation Treaty and Tax Advisory

Advisory services covering double taxation treaties, cross-border structuring, and local tax compliance under Turkish legislation.

Treaty Interpretation and Application

Guidance on interpreting and applying double taxation agreements to prevent double taxation and secure treaty benefits.

Cross-Border Tax Structuring

Advisory on designing tax-efficient, compliant structures for international transactions and investments.

Local Tax Advisory

Consulting on corporate, VAT, special consumption, and stamp duty matters under Turkish tax legislation.

Tax Certification Services

Ensure corporate tax, VAT refund, and other tax-related filings comply with Turkish law through official verification and certification.

Corporate Tax Certification

Ensure and certify corporate tax returns and financial statements comply with Turkish tax law, accounting standards, and government requirements.

VAT Refund Certification

Certify and ensure accurate VAT refunds in compliance with Turkish VAT law, covering exports, reduced-rate sales, and VAT withholding transactions.

Other Tax Certifications

Provide a range of certification services including investment allowances, R&D deductions, VAT deferrals, and financial statement verifications.

Insights & Articles

Corporate Tax Withholding on Overseas Software Payments

Provide guidance on the correct corporate tax treatment of payments for software purchased from overseas companies, covering commercial income, royalties, capital gains, and self-employment income, in line with Turkish tax law, OECD Model Convention, and double taxation agreements.

Management and IT Fee: Tax and Accounting Guidance

Comprehensive overview of the tax and accounting treatment of management and IT fees issued by foreign headquarters to Turkish subsidiaries. Covers VAT, corporate tax, accrual principles, withholding obligations, and considerations for compliance and proper expense recognition.