How to Register a Sole Proprietorship in Turkey: A Step-by-Step Guide for Global Entrepreneurs

Are you planning to establish a business in Turkey to develop software or promote international investment? Registering a Sole Proprietorship may be your fastest and most cost-effective option.

This blog post explains everything you need to know about registering a Sole Proprietorship in Turkey—from legal definitions and procedures to costs, timelines, and tax responsibilities. Whether you're a freelancer, software developer, or international marketer, this guide will help you decide if this structure suits your needs.

🔎 What Is a Sole Proprietorship in Turkey?

A Sole Proprietorship (Şahıs İşletmesi) is the simplest form of business entity in Turkey. It is owned and operated by a single individual and is commonly used for freelancers, consultants, and micro-businesses.

Key Characteristics:

• No separate legal entity: The business and owner are legally the same.

• Unlimited liability: The owner is personally responsible for all debts.

• Suitable for small-scale operations.

• Taxed under the Personal Income Tax Law.

• No mandatory capital requirement.

✅ Advantages of a Sole Proprietorship

• Quick and low-cost setup (often same-day registration).

• Minimal compliance obligations compared to limited or joint-stock companies.

• Simplified tax reporting—you file income tax as an individual.

• Ideal for solo entrepreneurs like developers, consultants, designers, and marketers.

• No need to maintain complex corporate records or hire statutory auditors.

⚠️ Disadvantages to Consider

• Unlimited personal liability: You are personally liable for debts and obligations.

• Less credibility: Some clients or investors may prefer limited liability company (LLC) structures.

• Cannot bring in partners under the same structure (you’d need to incorporate a limited company or establish a partnership).

📝 Registration Process in Turkey: Step-by-Step

Here’s how to register your Sole Proprietorship in Turkey as a foreign entrepreneur:

1. Decide on Your Activity

Choose your business activity (software development, marketing consultancy, etc.). This will determine your NACE Code.

2. Choose a Business Name

Sole Proprietorships typically use the owner's full name. You can add a trade name if desired (e.g., “Turkvest Software Solutions – Ian Parker”).

3. Prepare Required Documents

• Passport and notarized Turkish translation

• Turkish tax number (can be obtained from a tax office or online)

• Residence permit or proof of address in Turkey

• Rental contract for business address (home office is acceptable)

• Power of attorney if using a professional firm for registration

4. Register with the Tax Office

• File a “Business Opening Declaration” (İşe Başlama Bildirimi) with the local Tax Office.

• Submit your documents, rental contract, and proof of ID.

• Tax Office typically assigns a tax plate and verifies your address through site inspection.

5. Obtain Professional Licenses (if applicable)

Some marketing or software services may require sector-specific notifications (e.g., data security compliance, digital services registration).

6. Open a Business Bank Account

Once the tax registration is complete, you can open a local bank account under your personal name tied to your tax ID.

💰 Typical Costs of Registration

Total Estimated Setup Cost: 3,000 – 7,000 TRY (~100–250 USD)

⏳ Timeframe for Registration

Total Estimated Time: 3 to 7 business days

🧾 Tax Obligations for Sole Proprietors

Income Tax:

• You pay tax on your annual net income under the Personal Income Tax Law.

• Progressive rates (as of 2025): 15% to 40%

VAT (Value Added Tax):

• Most services (including software and marketing) are subject to 20% VAT.

• If you export software or digital marketing abroad, you may qualify for VAT exemption under “export of services” rules.

Other Obligations:

• Monthly tax returns (VAT, Withholding, Social Security if employing staff)

• Annual income tax return (due by March)

• Keeping income/expense ledger (handled by a licensed accountant)

💡 Special Notes for Software & Marketing Entrepreneurs

• Software developers and marketing consultants targeting foreign clients can benefit from service export incentives and tax exemptions.

• Turkey offers 80% tax exemption on software export profits when registered with relevant institutions (e.g., Teknokent or TÜBİTAK projects).

• Marketing materials designed for international campaigns may qualify under service export exemptions, if the invoice is issued to a foreign client and payment is received in foreign currency.

🌍 Why Turkey Is a Strategic Base for International Investment Promotion

• Strategic Location: Bridge between Europe, Middle East, and Central Asia.

• Skilled workforce in tech, design, and communication.

• Competitive operating costs for freelancers and small businesses.

• Access to free trade zones, R&D tax incentives, and start-up grants (KOSGEB, TÜBİTAK).

• Turkey’s growing interest in foreign direct investment aligns perfectly with content, marketing, and software ventures aimed at promoting global investment.

🤝 Do You Need a Consultant or CPA?

While it’s legally possible to register a sole proprietorship yourself, most foreign founders prefer to work with a local Certified Public Accountant (CPA) or business consultant due to:

• Language and bureaucracy barriers

• Navigating tax codes and incentives

• Ensuring compliance with export rules

• Representing you with the Tax Office, Notary, and Bank

• Monthly tax declarations and annual filings

📌 Is a Sole Proprietorship Right for You?

If you’re looking to launch a fast, flexible, and low-cost business in Turkey—especially for software development or global marketing—then a Sole Proprietorship is a smart starting point.

However, if you expect to scale quickly, take on partners, or raise investment, you may want to consider forming a Limited Liability Company (LTD) instead.

Need help registering your business in Turkey?
At Özmen CPA, we’ve guided dozens of international founders through the process. From documentation and tax planning to software export benefits—we’re your on-the-ground partner for launching and growing in Turkey.

👉 Get in touch today to schedule a 20-minute discovery call and receive a tailored registration plan.

info@ozmconsultancy.com