The article analyzes a market ecosystem model in the context of the platform economy, based on the integration of competition and cooperation. The study highlights the role of the company as a central actor and examines its interactions with suppliers, consumers, new entrants, and substitute platforms. The model, grounded in the principle of coopetition, reveals the processes of value creation through competitive pressure and collaborative relationships. The findings contribute to explaining the mechanisms that foster sustainable development, accelerate innovation, and enhance market efficiency in platform markets.