# SMMM Sinem Yavuz: Finance, Accounting & Advisory Office

> An independent accounting and tax advisory office in Şişli / Mecidiyeköy, Istanbul. Company formation in Turkey, monthly bookkeeping, VAT and tax advisory, social security (SGK) and payroll, e-invoice/e-ledger and financial reporting. Founder: Sinem Yavuz, Certified Public Accountant (SMMM). Services are provided in English and Turkish.

This file lists the English site (sinemyavuz.com.tr/en). Each link's .md version is clean Markdown. All information comes from the site's own content; tax deadlines follow the Turkish Revenue Administration schedule and may vary with individual circumstances.
The Turkish site is a separate site: https://sinemyavuz.com.tr/llms.txt

## Business facts
- Business name: SMMM Sinem Yavuz: Finance, Accounting & Advisory Office (Turkish: SMMM Sinem Yavuz: Finans, Muhasebe, Danışmanlık Ofisi)
- Title: Sinem Yavuz, Certified Public Accountant (SMMM)
- Address: Merkez Mah. Hasat Sk. No:52/1 Kamara Plaza, Şişli / İSTANBUL 34384
- Phone: +90 534 776 54 13 · WhatsApp: https://wa.me/905347765413
- Email: smmm@sinemyavuz.com.tr · Accounting: muhasebe@sinemyavuz.com.tr
- Working hours: Weekdays 09:00 - 18:00; closed on Saturday and Sunday
- Map: https://maps.app.goo.gl/doLBnshexrRtEj8D7
- Service area: Istanbul, mainly Şişli and Mecidiyeköy; across Turkey through digital channels
- Languages: Turkish, English

## Main pages
- [Home](https://sinemyavuz.com.tr/en): Şişli / Mecidiyeköy accounting office, services and tax calendar
- [About](https://sinemyavuz.com.tr/en/about): Who Sinem Yavuz is: education, experience, principles
- [Services](https://sinemyavuz.com.tr/en/services): All accounting and advisory services
- [Advisory Academy (Blog)](https://sinemyavuz.com.tr/en/blog): Tax and accounting guides
- [Contact and Quote Request](https://sinemyavuz.com.tr/en/contact): Address, phone, map, quote form and FAQ
- [Accountant in Şişli](https://sinemyavuz.com.tr/en/sisli-accountant): Accounting and tax advisory in Şişli
- [Accountant in Mecidiyeköy](https://sinemyavuz.com.tr/en/mecidiyekoy-accountant): Accounting and tax advisory in Mecidiyeköy
- [Accountant in Beşiktaş](https://sinemyavuz.com.tr/en/besiktas-accountant): Accounting and tax advisory in Beşiktaş
- [Accountant in Levent](https://sinemyavuz.com.tr/en/levent-accountant): Corporate accounting and tax advisory in Levent
- [Accountant in Nişantaşı](https://sinemyavuz.com.tr/en/nisantasi-accountant): Accounting and tax advisory in Nişantaşı
- [Accountant in Maslak](https://sinemyavuz.com.tr/en/maslak-accountant): Accounting and tax advisory for Maslak office towers
- [Privacy Notice (KVKK)](https://sinemyavuz.com.tr/en/privacy): How personal data is processed

## Services
- [E-Invoice and E-Ledger Applications](https://sinemyavuz.com.tr/en/services/e-invoice-e-ledger.md): Full management of e-Invoice, e-Archive Invoice and e-Ledger transitions and their recurring monthly obligations.
- [Social Security (SGK) Procedures](https://sinemyavuz.com.tr/en/services/social-security-sgk.md): From new-hire and termination notices to the monthly premium service declaration, full management of Social Security procedures.
- [Company Formation](https://sinemyavuz.com.tr/en/services/company-formation.md): End-to-end management of sole proprietorship, limited company and joint-stock company formation, from paperwork to tax certificate.
- [Personnel Records Management](https://sinemyavuz.com.tr/en/services/personnel-records.md): From employment contracts to personnel files, leave tracking to statutory notifications — full management of personnel records.
- [Bookkeeping](https://sinemyavuz.com.tr/en/services/bookkeeping.md): From daily transaction recording to statutory ledgers, monthly reconciliation to year-end closing — core bookkeeping services.
- [Financial Regulation Advisory](https://sinemyavuz.com.tr/en/services/financial-regulation-advisory.md): Tracking the Tax Procedure Law, Turkish Commercial Code and current communiqués to keep your compliance up to date.
- [Financial Reporting](https://sinemyavuz.com.tr/en/services/financial-reporting.md): Beyond the balance sheet and income statement — management reports that make sense of your business's financial position.
- [Tax Advisory](https://sinemyavuz.com.tr/en/services/tax-advisory.md): Getting VAT, Corporate Tax and Income Tax processes right — correct filing, correct exemptions, correct timing.
- [Personnel & Payroll](https://sinemyavuz.com.tr/en/services/payroll.md): From monthly payroll calculation to payslip delivery, severance and notice pay calculations — full payroll management.

## Articles (Advisory Academy)
- [Bağ-Kur Premium Support: What's Changed for Sole Proprietors, and What Hasn't](https://sinemyavuz.com.tr/en/blog/bag-kur-premium-support-sole-proprietors.md): What's changed in Turkey's Bağ-Kur (self-employed social security) premium support scheme, who it affects, and what sole proprietors should do today.
- [Tax Audits and the 'İzaha Davet' Pre-Audit Process: What to Do If the Tax Office Writes to You](https://sinemyavuz.com.tr/en/blog/tax-audit-invitation-to-explain-process.md): The steps, deadlines and key points to keep in mind if you receive an İzaha Davet (request for explanation) letter or a tax audit notice from the Turkish tax authorities.
- [How to Liquidate a Company: A Step-by-Step Guide to Closing Down and Avoiding Ex Officio Deregistration](https://sinemyavuz.com.tr/en/blog/company-liquidation-guide-turkey.md): How sole proprietorships and capital companies are closed down through voluntary liquidation, what ex officio deregistration (resen terk) means, and the steps to follow when closing a business.
- [Accounting for Digital Marketing Agencies: Reverse-Charge VAT on Google and Meta Ad Spend](https://sinemyavuz.com.tr/en/blog/digital-marketing-agencies-google-meta-ads-vat.md): How Turkey's reverse-charge VAT obligation applies to payments digital marketing agencies and advertisers make to non-resident platforms like Google and Meta.
- [Accounting Guide for Self-Employed Professionals: Receipts, Withholding and VAT Explained](https://sinemyavuz.com.tr/en/blog/self-employed-professionals-accounting-guide.md): What lawyers, dietitians, psychologists, architects, engineers and translators need to know about issuing self-employment receipts, withholding tax and VAT obligations.
- [Minimum Labor Cost Assessments, SGK Incentives, and What to Watch on the Combined Withholding & Social Security Return](https://sinemyavuz.com.tr/en/blog/minimum-labor-cost-sgk-incentives-turkey.md): How Turkey's minimum labor cost assessment (asgari işçilik) works, the conditions for qualifying for social security premium incentives, and the most common employer mistakes on the combined withholding and social security return (MUHSGK).
- [Taxing Company Partners: Profit Distribution or Board Attendance Fees?](https://sinemyavuz.com.tr/en/blog/taxing-company-partners-dividends-attendance-fees.md): How profit distribution (dividends) and board attendance fees (huzur hakkı) — the two main ways limited and joint-stock company partners draw income from the company — differ for tax purposes, and which fits which situation.
- [Taxation for Freelancers and Remote Workers: The Tax Advantages of Selling Software, Design and Consulting Abroad](https://sinemyavuz.com.tr/en/blog/service-exports-tax-advantages-freelancers.md): The income tax exemption available to freelancers and sole proprietors who provide software, design, engineering or consulting services to clients abroad, and the conditions that apply.
- [Deductible vs. Non-Deductible Business Expenses: The Most Common Mistakes](https://sinemyavuz.com.tr/en/blog/deductible-business-expenses-common-mistakes.md): Which business expenses can be deducted from your tax base, which are treated as non-deductible expenses (KKEG), and the mistakes we see most often.
- [e-Invoice and e-Archive Invoice Thresholds: Which Businesses Are Required to Switch?](https://sinemyavuz.com.tr/en/blog/e-invoice-e-archive-thresholds-turkey.md): Which businesses must switch to Turkey's mandatory e-Invoice and e-Archive Invoice systems, the revenue thresholds, sector-based exceptions, and the cost of delaying.
- [Can Foreigners Set Up a Company in Turkey? What Are the Advantages?](https://sinemyavuz.com.tr/en/blog/foreigners-setting-up-a-company-in-turkey.md): The process for non-resident foreigners to form a company in Turkey under Law No. 4875 on Foreign Direct Investment, the company types available, and what to watch for.
- [Sinem Yavuz, CPA, Appointed as TÜMKİAD Şişli District President](https://sinemyavuz.com.tr/en/blog/sinem-yavuz-tumkiad-sisli-district-president.md): Sinem Yavuz's appointment as TÜMKİAD (Association of Development Businesspeople and Entrepreneurs) Şişli District President, and what this role brings to our clients.
- [Sole Proprietorship Formation: What You Need to Know](https://sinemyavuz.com.tr/en/blog/sole-proprietorship-formation-guide.md): The legal structure of a sole proprietorship, the formation process, its advantages and drawbacks, and which entrepreneur profiles it suits best.
- [Important Warnings on the Tax Authority's Scrutiny of Bank Transfers to Personal IBANs](https://sinemyavuz.com.tr/en/blog/tax-authority-scrutiny-of-iban-transfers.md): How the tax authority reviews bank account activity, the risks of income with no traceable source, and the steps to keep your personal account clear of commercial-activity exposure.
- [What Is Dropshipping and How Does It Work? A Bookkeeping and Tax Guide](https://sinemyavuz.com.tr/en/blog/dropshipping-tax-accounting-guide-turkey.md): How the inventory-free dropshipping model works, its advantages and drawbacks, what to look for in a supplier, and how the bookkeeping process runs step by step.
- [Important Tax Warning for Businesses Operating on Digital Sales Platforms](https://sinemyavuz.com.tr/en/blog/digital-sales-platforms-tax-warning.md): How the tax office detects unregistered activity on Trendyol, Hepsiburada, Etsy, cash-on-delivery Instagram sales, and food delivery apps like Getir Yemek and Yemeksepeti — and what to do about it.
- [An Accounting Guide to Deducting Home-Office Expenses for Freelancers and Sole Proprietors](https://sinemyavuz.com.tr/en/blog/home-office-expense-deduction-guide.md): How freelancers and sole proprietors working from home can correctly deduct electricity, internet, rent and depreciation expenses in line with regulations.
- [Micro-Export VAT Refund Process and Advisory Services](https://sinemyavuz.com.tr/en/blog/micro-export-vat-refund.md): How the VAT exemption and refund process works under Turkey's micro-export procedure, required documentation, and common mistakes to avoid.
- [Taxation and Accounting Guide for E-Commerce and Marketplace Sellers (Trendyol, Etsy, Amazon, Shopier)](https://sinemyavuz.com.tr/en/blog/e-commerce-marketplace-seller-taxation-turkey.md): A practical guide for e-commerce entrepreneurs selling through Trendyol, Hepsiburada, Etsy, Amazon and Shopier: tax registration, VAT, withholding and bookkeeping.
- [What Is the Young Entrepreneur Incentive? Using the Income Tax Exemption](https://sinemyavuz.com.tr/en/blog/young-entrepreneur-income-tax-exemption.md): The scope, eligibility conditions and key details of the income tax exemption available to entrepreneurs under 29.
- [Sole Proprietorship or Limited Company? Choosing the Right Structure for Your Business](https://sinemyavuz.com.tr/en/blog/sole-proprietorship-vs-limited-company.md): A decision guide comparing the tax burden, liability, bookkeeping cost and corporate reputation differences between a sole proprietorship and a limited company in Turkey.

## Optional
- [Full text (llms-full.txt)](https://sinemyavuz.com.tr/en/llms-full.txt): every English service and article in one file
- [Business data (JSON)](https://sinemyavuz.com.tr/en/api/business.json): name, address, phone, opening hours, services and service area
- [Tax calendar (JSON)](https://sinemyavuz.com.tr/tax-calendar.json): Turkish filing and payment deadlines (English fields: te, pe, ne, ce)
- [Blog RSS](https://sinemyavuz.com.tr/en/blog/rss.xml)
- [Sitemap (EN)](https://sinemyavuz.com.tr/sitemap-en-0.xml)