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Financial Due Diligence in Turkish Acquisitions

A practical 2026 guide to financial due diligence in Turkish acquisitions, from earnings quality and working capital to tax, payroll, and competition red flags.

Berk Tüzel
Berk Tüzel
June 21, 2026
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Financial Due Diligence in Turkish Acquisitions

Financial due diligence is where a Turkish acquisition stops being a headline number and turns into a file you can actually price. Buyers who only skim management accounts usually miss the same things: working-capital drag, shareholder current accounts, FX pressure, tax carry risk, and payroll clean-up that arrives after signing. If you need the bigger transaction frame first, start with Corpenza’s Turkey M&A guide and then come back to the financial layer.

The legal backdrop is stable enough to plan against. Invest in Türkiye says international investors have the same rights and liabilities as local investors and use the same MERSIS and trade-registry route. That sounds procedural. In diligence, it matters, because the corporate file, registry history, and finance pack need to tell one story.

What should a buyer review before discussing price seriously?

Before price moves, a buyer should understand how the target actually turns revenue into cash, which liabilities sit inside the company, and which exposures will survive closing. In Turkish files, that usually means earnings quality, working capital, tax and social-security compliance, related-party balances, and any approval risk that can change timing or value.

That first pass should be blunt. If EBITDA is supported by one-off sales, if receivables are old, or if stock value depends on weak counting discipline, the valuation bridge is already moving.

Which records matter first in a Turkish financial due diligence room?

The first records are the ones that let you reconcile narrative against evidence. Ask for trial balances, monthly management accounts, statutory financial statements, aged receivables and payables, bank balances, stock reports, fixed-asset registers, tax filings, payroll summaries, and related-party ledgers. If those items do not tie together, deeper analysis gets slow very quickly.

Corporate history matters too. Invest in Türkiye says trade registration transactions are carried out through MERSIS, the Central Registry Record System, and company establishment runs through trade-registry directorates designed as a one-stop shop. The Ministry of Trade’s Trade Registry page confirms the registry is the state register for traders and commercial enterprises. So the finance pack should match the registered corporate story, not float beside it.

For a broader document map, Corpenza’s due diligence checklist for acquiring a Turkish company is a useful companion.

Where do Turkish acquisition files usually hide value leakage?

Value leakage usually hides in ordinary-looking lines, not in dramatic fraud signals. The common pressure points are customer concentration, stale receivables, inventory that is technically on hand but commercially weak, underprovided expenses, aggressive add-backs, shareholder balances that behave like quasi-debt, and foreign-exchange sensitivity that can compress margins in one quarter.

This is why buyers should rebuild normalized EBITDA and normalized working capital from raw ledgers, not from a seller slide deck. A small factory, distributor, or importer can look profitable on a top-line basis and still consume cash in ways the headline multiple does not show.

How should tax and payroll risk be tested?

Tax and payroll review should focus on continuity and discipline, not only on whether the seller says returns were filed. Look for recurring VAT positions, withholding consistency, transfer-pricing exposure where relevant, payroll reconciliations, social-security payments, and the logic behind any large year-end adjustments. If the target uses contractors, test whether that model is economically consistent with the work performed.

Most post-close pain comes from items that were visible but not pressed hard enough. The clean approach is to connect tax filings, payroll summaries, bank outflows, and general-ledger movements line by line. If you need a separate legal lens for employment, authorities, and contract transfer, use Corpenza’s legal due diligence in Turkish M&A guide alongside the finance review.

And if the acquisition vehicle is still being structured, Corpenza’s Turkey company-formation guide and audit and compliance support help keep the pre-close and post-close work on one track.

When can competition and corporate approvals change the financial conclusion?

Competition and corporate approvals can change value when they delay closing, force conditions, or make the buyer carry more interim risk than expected. The Turkish Competition Authority’s 11 February 2026 update raised the single turnover threshold to TL 1 billion, the Türkiye turnover threshold to TL 3 billion, and the global turnover threshold to TL 9 billion. For technology undertakings based in Türkiye, the Authority says a single TL 250 million threshold will be sought.

Those are not footnotes. They can alter timing, locked-box assumptions, and financing cost. The official source is the Competition Authority update, and the legal base remains Article 7 of Act No. 4054, which prohibits mergers or acquisitions that significantly lessen effective competition.

What changes when the target owns a factory, warehouse, or land?

When the target owns operating real estate, the financial review has to absorb the property layer as well. A plant can affect maintenance capex, insurance, environmental spend, restricted-zone permissions, and the gap between accounting value and actual operating value. Buyers who treat the site as just another fixed asset usually discover the real cost too late.

That is especially true in manufacturing and import-export files, where one facility often drives both margin and risk concentration. If the asset base is central to the thesis, visit it early and test whether the physical operation supports the numbers. Paper alone is not enough.

What should the red-flag report say before the SPA is signed?

The red-flag report should tell the buyer three things plainly: what changes enterprise value, what changes the SPA protection package, and what changes closing timing. That means quantifying cash-like and debt-like items, listing urgent tax or payroll exposures, stating whether working capital is reliable, and separating issues that are fixable before signing from issues that need indemnity or price adjustment.

Short reports can be good. Vague reports are expensive. If the financial reviewer cannot tell management which three risks matter most, the file is still descriptive, not decision-ready.

FAQ

Is financial due diligence only for large Turkish deals?

No. Smaller files often need it more, because owner-managed reporting and related-party movements are harder to read from headline accounts alone.

Can a clean audit opinion replace acquisition due diligence?

No. An audit helps, but acquisition diligence asks a different question. It tests value, cash conversion, and deal-specific risk.

Should the buyer focus on EBITDA or cash?

Both matter, but cash discipline usually reveals the sharper problems first. Earnings quality without working-capital analysis is incomplete.

Do competition thresholds matter in a finance workstream?

Yes. If approval timing shifts, financing cost and SPA mechanics can shift with it.

This article is general information, not legal or tax advice. Rules change, and the right diligence scope depends on the target, the sector, and the deal structure.

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