Offer

1. General

This document is a public offer by Koval Anton Andriiovych, sole proprietor (FOP), Ukraine (the “Provider”), registration number Tax ID is not published; available on request by email, address: Ukraine, Kyiv; full postal address for correspondence on request, for software development services. Provider tax status: Single tax group 3 (simplified taxation). VAT registered: no. Paying an invoice or approving a scope of work in writing constitutes acceptance; from that moment these terms form the contract between the Provider and the Client.

2. Scope

• design and development of games, applications and websites;
• extending and maintaining an existing codebase;
• technical audit, scope estimates and consulting.

The specific list of work, stages and deliverables is fixed in a quote or an annex. Work not listed in the quote is agreed separately.

3. Price and payment

The price is set in the quote in UAH or EUR. Unless agreed otherwise: 50 % before the start, the rest against accepted stages. Invoices are payable within five business days. Third-party services, licences and hosting are paid by the Client separately.

4. Timelines and acceptance

Timelines in the quote are estimates unless a fixed date is agreed. A stage is deemed accepted if the Client raises no written objections within seven business days. Objections beyond the agreed scope are handled as additional work.

5. Rights in the result

Economic rights in the delivered code, art and text pass to the Client once the relevant stage is paid in full. The Provider may mention the project in a portfolio and show screenshots unless agreed otherwise in writing. Rights in third-party libraries remain governed by their licences.

6. Confidentiality

Neither party discloses technical, commercial or other information received during the work, except where the law requires it. Access to the repository and working materials is limited to people involved in the project.

7. Liability

The Provider fixes defects caused by its own work within 30 days of stage acceptance. The Provider is not responsible for the Client’s marketing, pricing or compatibility decisions regarding third-party services. Aggregate liability is limited to the amount paid for the relevant stage.

8. Termination

Either party may terminate with 14 days’ written notice. The Client pays for work actually performed; the Provider hands over completed materials and repository access after settlement.

9. Contact

Koval Anton Andriiovych, sole proprietor (FOP), Ukraine, Ukraine, Kyiv; full postal address for correspondence on request, email: one.engineer.game.studio@gmail.com.