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7 Legal Mistakes Startups Make When Incorporating

✍ Av. Mehmet Koru📅 March 2026⏱ 7 min read

A strong product or business idea can run into serious problems due to a poorly constructed legal framework. The vast majority of legal issues that arise during investment rounds, partnership disputes or growth stages originate from mistakes made at the incorporation stage.

1. Not Having a Shareholders Agreement

Many startup teams set off with verbal agreements and no written shareholders agreement. When share percentages, vesting schedules, exit conditions and decision-making mechanisms are not clearly defined, serious disputes become inevitable.

2. Choosing the Wrong Corporate Structure

LLC or joint stock company? While a joint stock company is generally more appropriate for investment-seeking startups, every situation requires individual assessment.

3. Not Having a Vesting Mechanism

If a co-founder can retain their shares even after leaving, this creates a serious problem for both the remaining team and investors. Vesting schedules should be structured from the outset.

4. Not Assigning IP Rights to the Company

Failing to assign software, trade marks and other IP to the company creates a major obstacle in investment negotiations and almost always surfaces during due diligence.

5. Signing Investor Agreements Without Careful Review

Anti-dilution, liquidation preference and drag-along provisions can significantly affect founders' rights. Signing without legal advice can have serious consequences.

6. Inadequate Employment Agreements

Contracts without confidentiality obligations, non-compete clauses and IP assignment provisions leave the company exposed — particularly for technical team members.

7. Ignoring KVKK Obligations

Every startup collecting user data carries KVKK obligations. Privacy policies, cookie notices and data processing agreements must be structured from day one.

Conclusion: Investing in legal infrastructure from the beginning significantly reduces costs and risks down the line. Early-stage legal advice is not a cost — it is a strategic investment.

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