Introduction
Mergers and acquisitions in Turkey require careful tax planning. A transaction may be commercially attractive, but if the tax consequences are not structured correctly, the buyer or seller may face unexpected corporate tax, VAT, stamp duty, title deed fees, withholding tax, payroll tax, social security liabilities, transfer pricing adjustments, tax audit exposure and post-closing indemnity disputes.
In Turkish M&A practice, the tax result depends mainly on the transaction structure. A buyer may acquire a Turkish company through a share deal, purchase selected assets through an asset deal, merge companies through a statutory merger, separate business lines through a demerger, acquire newly issued shares through a capital increase, or implement a pre-closing restructuring before the main transaction. Each structure produces different tax consequences.
Turkey’s ordinary corporate income tax rate is generally 25% for companies outside the financial sector, while financial sector companies are subject to a 30% rate. Resident companies are taxed on worldwide income, while non-resident entities are taxed only on Turkish-source income. Turkey also applies a domestic minimum corporate tax mechanism from 2025, under which corporate taxpayers calculate tax under both the standard regime and a parallel 10% minimum tax base before certain exemptions and deductions, with the higher amount payable.
For M&A transactions, the most important questions are: Should the buyer acquire shares or assets? Is the seller a Turkish company, individual or non-resident? Are the shares held for at least two years? Does a participation exemption apply? Is the transaction subject to VAT? Is the share purchase agreement exempt from stamp tax? Are real estate assets involved? Can the transaction be structured as a tax-neutral merger or demerger? What hidden tax liabilities remain inside the target company?
This guide explains the main tax rules and planning considerations for mergers and acquisitions in Turkey.
1. Share Deal vs. Asset Deal: The Starting Point
The first tax decision in Turkish M&A is usually whether the transaction should be structured as a share deal or an asset deal.
In a share deal, the buyer acquires the shares of the target company. The target company remains the same legal entity. Its assets, liabilities, contracts, employees, tax history, litigation risks and licenses generally remain within the company. The buyer indirectly acquires the business by becoming the shareholder.
In an asset deal, the buyer does not acquire the target company itself. Instead, the buyer purchases selected assets, such as machinery, inventory, real estate, intellectual property, contracts, customer portfolios or a business line. An asset deal allows the buyer to choose what it wants to acquire, but each asset may require separate transfer formalities. Turkish M&A sources note that an asset deal generally requires the transfer procedure applicable to each asset, which can complicate closing, especially for assets subject to form requirements such as real estate, vehicles or intellectual property.
From a tax perspective, share deals are often more efficient in Turkey. Share purchase agreements are generally exempt from stamp tax, while asset sale agreements may trigger stamp tax exposure based on the highest amount stated in the agreement. Land and building transfers may also trigger title deed charges.
However, tax efficiency is not the only criterion. A share deal may expose the buyer to historical tax liabilities of the target company. An asset deal may reduce historical liability exposure, but it may create VAT, stamp duty, title deed fees and asset-by-asset transfer costs. Therefore, the best structure depends on both tax and legal risk allocation.
2. Corporate Tax on Share Sales
The taxation of a share sale depends on the identity of the seller and the type of shares being sold.
If the seller is a Turkish resident company, the gain from selling shares is generally included in the corporate tax base unless an exemption applies. The most important exemption is the participation share sale exemption under Article 5/1-e of the Corporate Tax Law. The Turkish Revenue Administration’s 2026 guide states that gains from the sale of participation shares held for at least two full years may benefit from an exemption, and that Presidential Decision No. 9160 reduced the exemption rate to 50% from 27 November 2024. The remaining part of the gain is taxable.
This means the old 75% exemption should not be applied automatically to current transactions. For share sales after the effective change, the current exemption rate must be checked. In ordinary 2026 planning, the relevant rate is 50%, subject to statutory conditions.
The exemption is conditional. The sale proceeds must generally be collected by the end of the second calendar year following the year of sale, and the exempt portion must be kept in a special reserve account until the end of the fifth year following the sale year. The Revenue Administration’s guide explains the collection requirement and the five-year reserve requirement, and states that failure to satisfy these conditions may create tax loss consequences.
For M&A planning, this is crucial. If a share sale price is paid in installments, the parties must ensure that the payment schedule does not jeopardize the seller’s exemption. If the exempt gain is distributed, transferred to another account or repatriated improperly before the five-year period expires, the exemption may be challenged.
3. Individual Sellers and Share Sales
If the seller is an individual, the tax consequences depend on whether the shares are in a joint stock company or limited liability company, whether share certificates exist, how long the shares have been held and whether the activity is commercial.
In Turkish practice, the sale of joint stock company shares represented by duly issued share certificates may produce favorable tax treatment for individual shareholders if the statutory holding period is satisfied. By contrast, limited liability company shares do not function in the same way as joint stock company share certificates, and gains from their transfer may be more likely to fall within capital gains taxation.
For buyers, individual seller taxation matters because sellers often negotiate gross-up clauses, price adjustments or tax indemnities. If the seller underestimates tax, post-closing disputes may arise. If the buyer is responsible for withholding or reporting in a specific structure, the risk becomes more direct.
A transaction involving founders, family shareholders or early-stage startup shareholders should be reviewed carefully. It is common to discover that share certificates were never issued, share ledger records are incomplete, capital increases were not documented properly, or acquisition dates are unclear. These defects may affect tax treatment and closing mechanics.
4. Non-Resident Sellers
If the seller is a non-resident company or individual, Turkish tax consequences depend on Turkish domestic law, the nature of the shares, the location of the transaction, whether the buyer is resident, whether the target is Turkish, and whether a double taxation treaty applies.
A non-resident seller may be taxed only on Turkish-source income. However, Turkish-source capital gains may arise from the sale of shares in a Turkish company depending on the facts. Treaty protection may reduce or eliminate Turkish taxation in some cases, but treaty relief is not automatic. The seller must be tax resident in a treaty country, provide a valid certificate of residence and satisfy relevant treaty conditions.
For cross-border M&A, treaty analysis must be done before signing. A foreign seller may assume that gains are taxable only in its home country, but the Turkish tax position should be checked. The share purchase agreement should address tax allocation, certificates of residence, withholding, filings, cooperation and indemnity obligations.
5. VAT on Share Sales
VAT treatment in share deals depends on the seller, the type of shares and whether specific exemptions apply. Turkish M&A sources state that sales of shares may be subject to VAT in principle, except for individual sellers, but full VAT exemption may apply if the shares have been held for more than two years or, for joint stock companies, if share certificates were issued before the sale.
This is one of the reasons why issuing joint stock company share certificates can be important in M&A planning. A buyer preparing to acquire a Turkish joint stock company should check whether share certificates exist, whether they were issued properly, whether they correspond to the shares being transferred and whether the share ledger is consistent.
For limited liability companies, share transfers require a notarized share transfer agreement, general assembly approval and trade registry registration. VAT treatment should be reviewed separately, particularly where the seller is a corporate taxpayer and the shares have not been held long enough to qualify for exemption.
6. Stamp Duty in M&A Transactions
Stamp duty is a significant transaction cost in Turkish M&A. The structure of the transaction and wording of the documents directly affect the stamp duty result.
Share purchase agreements are generally exempt from stamp tax. In contrast, asset sale agreements are generally subject to stamp tax on the highest monetary amount indicated in the agreement.
This makes document drafting very important. A term sheet, framework agreement, escrow agreement, indemnity undertaking, guarantee, settlement protocol, non-compete agreement or asset transfer agreement may create stamp duty exposure if it contains monetary obligations. Parties should review the entire transaction document set, not only the main SPA or APA.
A common mistake is to insert multiple independent monetary commitments into one document without analyzing stamp duty. Purchase price, earn-out, penalty, non-compete consideration, escrow amount, guarantee cap and indemnity clauses may all affect stamp duty analysis depending on how they are drafted.
7. Asset Deals: Corporate Tax, VAT and Transfer Costs
In an asset deal, the seller generally recognizes gains or losses on the sale of assets. If the seller is a Turkish company, gains from the sale of assets are generally subject to corporate tax unless an exemption applies.
Asset deals may also trigger VAT. The VAT rate depends on the nature of the asset. Machinery, inventory, vehicles, intellectual property, real estate, service contracts and other assets may have different VAT treatment. Some assets may be exempt under specific rules, while others may be taxable at the general rate.
Real estate transfers create additional costs. M&A sources note that land and building transfers are subject to title deed charges. In practice, this can be a material cost where the target business owns factories, warehouses, hotels, offices or development land.
Asset deals may be commercially attractive when the buyer wants to avoid historical liabilities, but tax costs can be higher than in a share deal. In addition, contracts, permits, employees, customers, supplier agreements, IP registrations and licenses may need separate assignment or approval. These procedural issues can delay closing.
8. Tax-Neutral Mergers in Turkey
Turkish tax law allows certain mergers to be structured tax-neutrally if the statutory conditions are satisfied. Article 19 of Corporate Tax Law No. 5520 regulates mergers, demergers and share exchanges. The official Revenue Administration source identifies Article 19 as the provision governing “devir, bölünme ve hisse değişimi” and states that mergers satisfying the listed conditions are treated as transfers for corporate tax purposes.
In tax-neutral mergers, hidden reserves are not immediately taxed if the assets and liabilities are transferred under the required conditions. The surviving company steps into the tax position of the absorbed company, and the transaction can be implemented without immediate taxation of built-in gains.
However, not every legal merger is automatically tax-neutral. Conditions must be satisfied. In general terms, the companies should be Turkish resident taxpayers, assets and liabilities should be transferred as a whole, and book value continuity should be preserved. If the transaction fails to satisfy the rules, it may be treated as a taxable liquidation or asset transfer.
Tax-neutral mergers are often used in post-acquisition integration. A buyer may acquire a Turkish target and later merge it with an existing group company. Before doing so, the group should review accumulated losses, tax audits, deferred tax assets, incentives, VAT carry-forwards, litigation, employment liabilities and accounting effects.
9. Demergers and Partial Spin-Offs
Demergers are also important in Turkish M&A. A seller may separate a business line before sale, transfer real estate to another company, carve out non-core assets, or isolate a division to be sold. Turkish law permits full demergers and partial demergers if statutory conditions are met.
Partial demergers are especially useful in pre-closing restructuring. For example, a company may transfer a manufacturing business line, a service business line, certain participation shares or qualifying assets into a new company, and then sell the shares of that new company to the buyer.
However, partial demergers are highly technical. The assets eligible for partial demerger are limited by law. If the assets do not qualify, or if book value continuity is not maintained, the transaction may become taxable. The legal and tax documentation must therefore be prepared carefully.
Demergers may also raise VAT, stamp duty, title deed, payroll, transfer pricing and accounting issues. A tax-neutral demerger is not simply a commercial decision; it is a statutory restructuring procedure with strict legal consequences.
10. Tax Due Diligence in Turkish M&A
Tax due diligence is one of the most important parts of a Turkish M&A transaction. In a share deal, the buyer acquires the company with its tax history. Any unpaid taxes, tax audits, fake invoice risks, transfer pricing problems, VAT exposures, payroll tax issues or social security debts remain inside the target company.
A proper tax due diligence should review:
Corporate income tax returns.
VAT returns.
Withholding tax returns.
Payroll tax and social security filings.
E-invoice and e-ledger compliance.
Tax audit history.
Tax litigation.
Tax settlement files.
Transfer pricing documentation.
Related-party payments.
Thin capitalization risk.
VAT refund claims.
Investment incentive compliance.
Free zone or technopark exemptions.
R&D incentives.
Stamp duty exposure.
Real estate and title deed records.
Customs and import tax issues.
In Turkish practice, tax risks often appear in ordinary documents: management fee invoices, shareholder loans, unregistered benefits, missing e-archive invoices, doubtful suppliers, underdeclared wages, related-party royalties, VAT deductions from risky suppliers, and undocumented cash movements.
The SPA should reflect due diligence findings. If a tax exposure is known, the buyer may request a price reduction, escrow, specific indemnity, pre-closing correction or closing condition.
11. Transfer Pricing in M&A
Transfer pricing is critical where the target is part of a group. Turkish companies frequently make payments to related parties for goods, services, management support, royalties, loans, guarantees, technology use or cost-sharing.
If these payments are not arm’s length, the tax authority may recharacterize them as disguised profit distribution through transfer pricing. In M&A, this matters because the buyer may acquire historical exposure even if the related party relationship ends after closing.
The buyer should review intercompany agreements, transfer pricing reports, management fee evidence, royalty benchmarks, shareholder loans, foreign service invoices and cost allocation methods. If a target has paid large amounts to a foreign parent without sufficient service evidence, the buyer should treat this as a material tax risk.
Transfer pricing also affects post-closing integration. If the target will join a new multinational group, new intercompany arrangements should be designed immediately after closing.
12. Thin Capitalization and Acquisition Financing
Acquisition financing may create thin capitalization and financing expense restriction risks. If a Turkish acquisition vehicle borrows from its shareholder or related parties to acquire shares, the debt-to-equity ratio must be reviewed.
Turkey applies thin capitalization rules to excessive related-party debt. Interest and foreign exchange differences corresponding to thin capital may become non-deductible and may be treated as dividend distribution. This can affect leveraged acquisitions and shareholder loan structures.
Buyers should model debt push-down carefully. A transaction may be commercially attractive, but if acquisition debt cannot be pushed into the target or deducted efficiently, the after-tax return may change significantly.
13. Withholding Tax and Profit Repatriation After Acquisition
Foreign investors usually acquire Turkish companies with a plan to repatriate profits. Dividends distributed by a Turkish company to a non-resident shareholder are generally subject to withholding tax unless reduced by an applicable double tax treaty.
Therefore, the acquisition structure should consider future dividend flows. The buyer should determine whether to invest directly, through a holding company, through a Turkish acquisition vehicle or through a regional group company. Treaty eligibility, beneficial ownership, substance and tax residency certificates must be reviewed before relying on a reduced treaty rate.
If the buyer finances the target with shareholder loans, interest withholding tax and thin capitalization should also be analyzed. If the target will pay royalties or management fees to the foreign group after closing, withholding tax, VAT reverse charge and transfer pricing documentation will be required.
14. VAT and Input VAT Risks in M&A
VAT risks are common in Turkish M&A. A target may have claimed input VAT deductions based on invoices from risky suppliers, failed to declare reverse-charge VAT on foreign services, applied incorrect VAT rates, or carried forward large input VAT balances that may not be recoverable.
If the target has significant VAT receivables or refund claims, the buyer should review whether those claims are supported by proper documents. Exporters, manufacturers, construction companies and e-commerce businesses may have complex VAT positions.
A VAT issue can directly affect valuation. A large carried-forward VAT balance may be treated as an asset in financial accounts, but if it is not practically recoverable or legally defensible, the buyer may discount it.
15. Employment Taxes and Social Security in M&A
Tax due diligence should include payroll and social security compliance. Targets may underreport wages, treat employees as freelancers, fail to declare benefits, apply incentives incorrectly, or owe social security premiums.
In a share deal, these liabilities remain with the target company. In an asset deal involving transfer of a workplace or business unit, employment and social security consequences may also arise. Employee transfers, severance liabilities, unused annual leave, payroll tax exposure and incentive clawbacks must be reviewed.
Payroll risks are particularly common in construction, logistics, retail, hospitality, software, healthcare and manufacturing sectors.
16. Tax Warranties, Indemnities and Escrow
The SPA should include detailed tax warranties and indemnities. Standard tax warranties may cover accurate filing of returns, timely payment of taxes, absence of undisclosed tax audits, compliance with VAT, withholding tax, payroll tax and social security obligations, proper issuance of invoices, absence of fake invoice use, transfer pricing compliance and no undisclosed tax liabilities.
If a specific tax risk is identified, a general warranty may not be enough. The buyer should request a specific indemnity, escrow holdback, purchase price adjustment or pre-closing correction.
For example, if the target has an ongoing VAT audit, the buyer may request an escrow amount equal to the potential tax, penalties and interest. If a seller insists that a participation exemption applies, the buyer should verify the conditions rather than accept the statement.
17. Tax Planning for Post-Closing Integration
After closing, the buyer should implement a tax integration plan. This may include changing accounting systems, reviewing e-invoice compliance, aligning transfer pricing policies, restructuring intercompany agreements, reviewing payroll, correcting VAT procedures, updating withholding tax processes and consolidating reporting.
If the buyer plans to merge the target into another Turkish group company, tax-neutral merger rules should be reviewed. If the buyer plans to sell non-core assets after closing, capital gains, VAT, stamp duty and title deed costs should be modeled.
Post-closing tax planning is often overlooked. Yet many tax savings and risks arise after the acquisition, not before it.
18. Practical M&A Tax Checklist in Turkey
Before signing an M&A transaction in Turkey, parties should ask:
Is the transaction a share deal, asset deal, merger, demerger or capital increase?
Who is the seller: individual, Turkish company or non-resident?
Does the participation share sale exemption apply?
Have the shares been held for at least two full years?
Will sale proceeds be collected within the required period?
Will exempt gains be kept in a special reserve account for five years?
Is the share transfer subject to VAT or exempt?
Is the SPA exempt from stamp tax?
Does the transaction involve asset transfer documents subject to stamp duty?
Are real estate assets involved?
Will title deed charges arise?
Is the transaction tax-neutral under Articles 19 and 20?
Are there hidden tax liabilities in the target?
Has tax due diligence been completed?
Are transfer pricing, thin capitalization and VAT risks reviewed?
Are tax warranties and indemnities sufficient?
Is post-closing restructuring planned?
Can the structure withstand a Turkish tax audit?
19. Common Mistakes in Turkish M&A Tax Planning
The first mistake is assuming that all share deals are tax-free. Share gains may be taxable unless an exemption applies.
The second mistake is applying the old 75% participation exemption rate without checking current law. The current Revenue Administration guide states that the exemption rate was set at 50% from 27 November 2024.
The third mistake is ignoring installment payment timing. If sale proceeds are not collected within the legal period, exemption risk may arise.
The fourth mistake is failing to issue or verify joint stock company share certificates before a share sale.
The fifth mistake is treating asset deals as simple commercial sales. Asset deals may trigger VAT, stamp duty, title deed fees and separate transfer procedures.
The sixth mistake is neglecting tax due diligence in share deals. Historical liabilities remain inside the target company.
The seventh mistake is using tax-neutral merger or demerger structures without satisfying statutory conditions.
The eighth mistake is failing to address tax risks in warranties, indemnities and escrow.
Conclusion
Taxation of mergers and acquisitions in Turkey depends heavily on transaction structure. Share deals are often more tax-efficient because share purchase agreements are generally exempt from stamp tax and certain participation share gains may benefit from corporate tax exemption. Asset deals may provide better liability control but often create VAT, stamp duty, title deed fee and asset-by-asset transfer costs.
The current corporate tax environment must be considered carefully. Ordinary companies are generally subject to 25% corporate income tax, financial sector companies to 30%, and corporate taxpayers may also be subject to a 10% domestic minimum corporate tax calculation. For share sales by Turkish corporate sellers, the participation share sale exemption is particularly important, but the exemption rate is now 50% from 27 November 2024, and the collection and special reserve conditions must be satisfied.
Tax-neutral mergers, demergers and share exchanges can be powerful restructuring tools, but they require strict compliance with Corporate Tax Law Articles 19 and 20. If the conditions are not met, hidden reserves may become taxable and the expected tax neutrality may fail.
For buyers, the most important protection is tax due diligence. In a share deal, the buyer acquires not only the business but also historical tax risks. In an asset deal, the buyer may limit some historical exposure but must manage transfer taxes, VAT and closing mechanics. A strong Turkish M&A tax strategy should combine legal structuring, financial modeling, tax due diligence, treaty analysis, document review, warranties, indemnities, escrow and post-closing integration planning.
A well-structured M&A transaction can reduce tax leakage, protect value and prevent post-closing disputes. A poorly structured transaction may create unexpected corporate tax, VAT, stamp duty, withholding tax, social security and audit liabilities. For this reason, taxation should be treated as a central part of every merger and acquisition in Turkey, not as an afterthought after commercial terms have already been agreed.
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