A 40% Social Security Reduction for Research Staff
Companies in Spain that hire staff on permanent contracts to work exclusively on R&D&I can claim a 40% reduction on the employer common-contingency contribution for up to 3 years. Tecnocim identifies the eligible staff, documents how much of their time they devote to research and handles the filings with the TGSS from the first month.

40%
Reduction in SS contributions
Which staff qualify for the 40% reduction?
The reduction applies to staff on permanent contracts who work exclusively and full time on R&D or technological innovation activities (Real Decreto 475/2014).
Eligible staff
- Researchers, engineers and R&D&I technicians
- Working exclusively on R&D&I (up to 15% on training or outreach)
- On a permanent contract: reduction for a maximum of 3 years
Activities covered
- Basic and applied research (R&D)
- Experimental technological development
- Technological innovation in processes and products
Time-commitment requirements
- Full commitment: 40% of the common-contingency contribution
- Partial commitment: excluded from the reduction
- Hours and activities recorded through time records
Benefits for the company
- Direct saving on Social Security contributions from the first month
- Compatible with art. 35 LIS deductions (on the same researcher only with the PYME Innovadora seal)
- With 10 or more researchers claimed, a binding reasoned report is required
How we manage the reduction for your research staff
Identifying the staff
We review your workforce to identify the employees who carry out R&D&I activities: technical profiles, assigned projects, type of contract and time spent on research.
Documenting the time commitment
We put in place a system to record R&D&I hours and activities for each researcher. This documentation is essential to justify the reduction before the TGSS and the labour inspectorate.
Filing with the TGSS
We handle the notification to the Tesorería General de la Seguridad Social (the Spanish Social Security treasury): identifying the eligible staff on the TC1/TC2 contribution returns and applying the 40% reduction.
Monitoring and updates
We track new starters, leavers and changes in research time every month. We update the contribution returns and report the accumulated saving to you each quarter.
Full commitment: what qualifies and what does not
The 40% reduction applies to the employer common-contingency contribution and only when the commitment to R&D&I is exclusive: partial commitment is excluded (art. 3 of Real Decreto 475/2014).
40%
Of the common-contingency contribution
Full commitment
100% of working time on R&D&I
- The employee works exclusively on R&D&I (up to 15% on training, teaching or outreach is allowed)
- A 40% reduction, rising to 45–50% for women or people under 30
- Saving of about 9.4% of the contribution base (around €3,780 a year on a €40,000 salary)
- Requires evidence of full commitment
- Ideal for researchers, R&D project leads and laboratory technicians
0%
Excluded from the reduction
Partial commitment
Part of the time on R&D&I
- The employee combines R&D&I with other duties
- No right to the reduction under Real Decreto 475/2014
- Administration, marketing, general services and management roles are excluded too
- Their cost may still count towards the R&D&I tax deduction (art. 35 LIS)
- Separating duties and recording hours protects the reduction
How much can you save on contributions for your R&D&I staff?
Every researcher covered saves 40% of their common-contingency contribution: around €3,780 a year on a €40,000 salary. We identify all the eligible staff in your workforce.
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Other contribution reductions for companies
Social Security Contribution Reductions
Save 40% on Social Security contributions for R&D&I research staff. We handle the filings with the TGSS from the first month.
Contribution Reductions for Companies
End-to-end advice on Social Security contribution reductions: identifying eligible staff, filing and compatibility with tax deductions.
The research staff reduction in numbers
40%
Reduction on employer Social Security contributions
€3.8K
Annual saving on a €40,000 salary (estimate)
3 years
Maximum duration per researcher
Month 1
Applies from the first month of registration
Frequently asked questions about the research staff reduction
It is a 40% reduction in the employer common-contingency contribution to Spanish Social Security for hiring, on a permanent contract, staff who work exclusively on R&D or technological innovation, for a maximum of 3 years. It rises by 5% for women researchers and by another 5% for researchers under 30 (cumulative). It is governed by Real Decreto 475/2014, as amended by Real Decreto-ley 1/2023. It is deducted directly in the monthly contribution settlement.
Real Decreto 475/2014 does not set specific contribution groups: what matters is the permanent contract and exclusive commitment to R&D&I. Excluded are staff who spend only part of their working time on R&D&I; administration, resource management, marketing, general services and management staff; special employment relationships; and staff whose hiring is already publicly funded including employer contributions.
It is documented through time records that log the hours each employee spends on R&D&I activities. They must show that all working time goes to R&D&I projects and that training, teaching or outreach does not exceed 15%. A company claiming for 10 or more researchers for 3 months or more in a year must also give the TGSS a binding reasoned report (informe motivado vinculante) on that commitment. Tecnocim puts in place a simple, auditable recording system that meets the requirements of the TGSS and the labour inspectorate.
Yes, with one important caveat. SMEs holding the PYME Innovadora seal can apply the reduction and the art. 35 LIS deduction (Impuesto sobre Sociedades, Spanish corporate income tax) to the same researcher. Other companies can use both incentives, but not on the same researcher: for each one they must choose the reduction or the deduction (art. 6 of Real Decreto 475/2014). Tecnocim works out which combination saves most and manages both incentives together.
The saving depends on the number of researchers and their contribution base. The employer common-contingency rate is 23.60% (2026), so 40% equals 9.44% of the contribution base: a researcher on a gross salary of €40,000 a year saves roughly €3,780 a year (€4,720 at 50%). A company with 5 such researchers saves around €18,900 a year, for up to 3 years per researcher. Tecnocim identifies every eligible employee, including profiles the company had not thought of as research staff.
The reduction applies from the registration of the researcher hired on a permanent contract, provided the company flags it when registering them with the TGSS. There is no need to wait for the end of the tax year or to obtain prior authorisation: it is deducted directly in the monthly contribution settlement, for up to 3 years per researcher.
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