The Tanzania Seed Certification Institute (TOSCI) is a government agency operating under the Ministry of Agriculture, established in 2003 under the Seed Act No. 18. TOSCI's primary mission is to ensure the quality control of agricultural seeds produced or imported into Tanzania. With its headquarters located in Morogoro, TOSCI extends its services through five regional offices across the country, providing essential oversight and compliance services.

TOSCI offers a variety of services, including seed dealer registration, seed import and export permits, and post-harvest inspections. The institute also conducts seed sampling and testing to maintain high-quality standards in the agricultural sector. Furthermore, TOSCI is involved in training programs and legislative frameworks related to seed quality, aiming to enhance the knowledge and practices among stakeholders.

Through its commitment to excellence and innovation, TOSCI plays a crucial role in supporting sustainable agricultural practices and ensuring food security in Tanzania. The institute engages actively with stakeholders to promote best practices in seed management and quality assurance.