TaxDown

Software DevelopmentCommunity of Madrid, Spain201-500 Employees

TaxDown is a Madrid-based software development platform offering a private income tax filing service in Spain and Mexico. The company combines artificial intelligence with a team of tax professionals to streamline tax declarations for individuals, freelancers, and enterprises, aiming to reduce bureaucratic workloads and optimize tax outcomes. Its approach, called HumanAI, integrates automated data analysis with human review to identify deductions and apply appropriate criteria, delivering results that are validated by experts. The service targets private individuals, autonomous workers, and businesses, and also provides embeddable tax infrastructure for banks, fintechs, and insurers through APIs. With millions of users and hundreds of thousands of tax declarations, TaxDown positions itself as a leader in its market, emphasizing ongoing availability and security. The firm operates from Madrid, in the Community of Madrid, and has grown through multiple product applications, including employer and client welfare programs and round-the-clock tax assistance. Recent industry coverage notes continued expansion and activity in its funding-supported growth, reflecting ongoing development of its AI-powered platform.

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