The System of Tax Incentives for Business Research and Development (SIFIDE) is a tax incentive that supports research and development efforts, which allows recovering up to 82.5% of the value of investment in R&D in a given year, through the reduction of corporate income tax. delete. Among the main eligible expenses are personnel costs, general operating expenses, acquisition of equipment, subcontracting of R&D services or registration and maintenance of patents, among others. Applications for the 2021 fiscal year must be submitted by May 31, 2022. For more information or preparation of the application: consultoria@aip.pt or 21 360 10 20.