Sonsöz Partner

Company formation, accounting, tax advisory and legal consultancy services in Turkey for foreign investors and international companies.

Our Services

Accounting and Tax Services

We provide professional accounting, bookkeeping, and tax consultancy to help businesses in Montenegro and abroad stay compliant and financially optimized.

Management Advisory Services

Our consultants guide you in strategic planning, budgeting, and performance improvement to strengthen your company’s long-term growth.

Customs & Trade Compliance Services

We manage customs procedures, import–export documentation, and trade compliance to ensure smooth and fully compliant cross-border operations.

Global Company Establishment

We assist with international company formation through our global partner network, ensuring compliant and efficient business setup.

Financial Audit & Assurance Services

Our expert auditors deliver precise financial audits, ensuring transparency, compliance, and trust for your company’s financial statements.

Payroll & Employee Services

We handle complete payroll management — from salary calculations to compliance — ensuring accuracy, confidentiality, and on-time payments.

Digital Business & Technology Services

We deliver digital solutions and process automation to improve efficiency, transparency, and scalable business operations.

Corporate Setup & Advisory Services

We provide company formation, accounting, tax, and consultancy services in Turkey for foreign investors and international businesses.

Financial Reporting Services

We prepare accurate and timely financial reports that meet international standards, supporting smarter business decisions and investor confidence.

Legal Advisory Services

Our legal experts provide corporate, contract, and business law solutions to protect your interests and ensure full regulatory compliance.

Office & Corporate Relocation Services

We provide office solutions, accommodation, vehicle rental, and transfer services to support seamless business operations and mobility.

We take care of our clients

Sonsoz Partner offers full business setup and financial management services in Turkey, assisting foreign investors and international companies with company formation, bank account opening, accounting, tax advisory, payroll services, and legal compliance. Our expert team ensures a smooth and transparent company formation process in Turkey, supporting sustainable growth through reliable, compliant, and result-oriented financial and consultancy solutions.

Why Choose Us

Professional Team

Our multilingual team of accountants and legal experts provides reliable guidance in company formation, taxation, and financial management for international clients.

Great Financial Advice

Our legal advisors deliver practical and compliant solutions in corporate law, contracts, and investment regulations to protect your business interests.

Community Service

Sonsoz Partner contributes to the business community through education, mentorship, and initiatives that support entrepreneurship and sustainable growth.

Competitive Fees

We offer transparent and competitive pricing tailored to your business goals, ensuring premium service quality at affordable rates.

Trusted Company Formation & Financial Advisory Services in Turkey

Sonsoz Partner is a trusted consultancy firm providing company formation, accounting, tax advisory and financial management services in Turkey. With a professional team and transparent pricing, we support foreign investors and international companies with compliant, reliable and result-driven solutions.

Senior partner, CEO

Mehmet Sonsöz

Mehmet Sonsöz is the founder of Sonsoz Partner, a leading consultancy firm providing company formation, accounting, tax advisory, legal and financial management services to international clients in Turkey and the Balkans. With extensive experience in company formation in Turkey, tax planning and business compliance, he has guided numerous foreign investors in successfully establishing and growing their operations, combining deep financial expertise with a practical understanding of cross-border regulations and international business requirements.

H. Batuhan UYANIK

Hasan Batuhan Uyanık is a senior consultant at Sonsoz Partner, responsible for financial management, accounting, reporting and advisory processes for international clients in Turkey. With extensive experience gained in international companies, he specializes in financial control mechanisms, budget planning, cost analysis, cash flow management and management reporting, supporting compliant, efficient and sustainable business operations.