The article describes the features of state financial regulation of investment activities of agro-industrial enterprises. The study reflects the key measures provided by the state to stimulate investment in agriculture. The instruments of financial regulation, such as tax incentives, subsidy and credit programs aimed at ensuring the sustainable development of the agricultural sector, are considered. The study also covers the effective use of financial resources, ensuring the availability of capital and supporting innovative projects in the rural economy. As a result of the work, key aspects of the successful state impact on investment processes in the agro-industrial complex are identified, a model of the agro-enterprise ecosystem is proposed, and recommendations on monitoring the financial stability of agro-industrial enterprises are provided.