Lithuania R&D Triple Tax Deduction 2026
Lithuania offers one of the world's most generous R&D tax incentives: a triple deduction allowing businesses to deduct qualifying R&D expenses three times (300%) from taxable income, combined with additional benefits for patent commercialization and R&D asset depreciation.
The Triple Deduction Mechanism
Normal business expenses are deducted once (100%) from taxable income. R&D expenses in Lithuania are deducted three times (300%), providing exceptional tax savings for innovation-focused companies.
Example: If your company spends €100,000 on R&D:
• Normal deduction: €100,000
• Lithuania triple deduction: €300,000
• Extra tax savings: €200,000 in additional deductions
Qualifying R&D Expenses
Eligible expenses for the 300% deduction include:
• Labor costs for R&D personnel (salaries, wages, benefits)
• Materials and supplies used in R&D
• Contract R&D services
• Equipment and facilities dedicated to R&D
• Software and technology for research
Additional R&D Tax Benefits
1. Reduced CIT on Patent Profits
• Only 7% corporate income tax on profits from commercial exploitation of patented inventions
• Rate increased from 6% to 7% effective January 1, 2026 (still highly competitive)
• Standard CIT rate is 15%, making this a significant 8-point reduction
2. Accelerated Depreciation for R&D Assets
• Fixed assets used in R&D activities can be written off within 2 years
• Normal depreciation periods are significantly longer (5-20 years)
• Provides faster tax deductions and improved cash flow
3. STEM Scholarship Deductions
• Businesses can deduct up to €2,500 per year for scholarships paid to STEM students and researchers
• Covers science, technology, engineering, and mathematics fields
• Helps build talent pipeline while reducing tax liability
Eligibility
• Open to all businesses conducting R&D activities in Lithuania
• No size restrictions (available to startups, SMEs, and large enterprises)
• No industry restrictions
• R&D must meet standard definition of research and development
• Proper documentation and record-keeping required
How to Claim
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Identify and document all qualifying R&D expenses throughout the tax year
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Maintain detailed records of R&D activities, projects, and outcomes
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Calculate total R&D expenses eligible for triple deduction
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Apply 300% deduction in your corporate income tax return
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Separately claim other benefits (patent CIT reduction, accelerated depreciation, STEM scholarships)
Strategic Impact
This triple deduction makes Lithuania one of the most attractive locations in Europe for R&D-intensive businesses:
• Significantly reduces effective tax rate for innovation companies
• Encourages continuous investment in R&D
• Improves cash flow through faster asset write-offs
• Creates competitive advantage for tech and innovation sectors
Contact Information
For tax guidance, contact:
Ministry of Finance - State Tax Inspectorate
Website: www.vmi.lt
Tax Incentives Information: finmin.lrv.lt/en/competence-areas/taxation/tax-incentives-for-investment-and-innovations
Last updated: February 23, 2026
Common Questions
Qualifying R&D activities under the Lithuania R&D Triple Tax Deduction 2026 in Lithuania generally include systematic investigative work aimed at achieving scientific or technological advancement, developing new products or processes, and resolving technical uncertainties. This encompasses activities such as developing AI algorithms, creating novel software systems, engineering new materials, and conducting experimental development. The work must go beyond routine engineering or application of existing knowledge. Companies should document their R&D projects thoroughly, including technical objectives, methodologies employed, personnel time records, and associated expenditures to substantiate their claims.
Companies typically apply by submitting project details to the relevant government agency or tax authority in Lithuania, including descriptions of the R&D activities, technical challenges being addressed, project timelines, and detailed cost breakdowns. Supporting documentation should include employee timesheets, expense receipts, technical reports, and evidence that the work constitutes genuine research rather than routine development. Applications often need to be filed before or during the fiscal year in which expenses are incurred. Engaging a qualified R&D tax advisor familiar with the local regulatory framework is recommended to maximize the claim value and ensure compliance.
Eligible categories include personnel costs for research staff, consumable materials for experiments, depreciation on scientific instruments, and contracted research from accredited institutions. The State Tax Inspectorate requires documentation substantiating research character against Frascati Manual definitions, ensuring routine quality control, market surveys, and standard engineering remain excluded from calculations.
The deduction operates as a general fiscal measure without selectivity, positioning it outside individual state aid notification requirements. However, companies accessing other support like EU grants or Invega guarantees must monitor cumulative aid intensity against ceiling percentages. Lithuanian authorities coordinate with competition oversight to ensure combined measures remain within permissible EU framework thresholds.
References
- Tax Incentives for Investment and Innovations. Ministry of Finance Lithuania (2025). View source
- Lithuania - Corporate Tax Credits and Incentives. PwC (2025). View source
- R&D Tax Allowance - Lithuania. OECD INNOTAX (2025). View source
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