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Luxembourg

Luxembourg Start-Up Tax Credit for Investors

Funding Amount
20% tax credit, €100K cap

Program Overview

Luxembourg's new Start-Up Tax Credit, enacted for the 2026 tax year, encourages individuals to invest in young, innovative companies. The law provides a 20% income tax credit on direct cash investments in new shares issued by eligible startups, incentivizing angel investment and early-stage funding.

Tax Credit Details

Credit rate: 20% of investment amount

Maximum credit: €100,000 per tax year

Maximum investment eligible: €500,000 (20% = €100K credit)

Type: Income tax credit (reduces tax liability)

Investor Eligibility

Who qualifies: Luxembourg resident individuals

Also eligible: Non-residents assimilated to resident taxpayers

Investment type: Direct cash investments in new fully paid-up registered shares

Acquisition timing: At incorporation or through capital increase

Holding period: Must hold shares for at least 3 years

Eligible Start-Up Requirements

Innovation: Must be engaged in innovative activity

Age: Established for less than 5 years

Size: Fewer than 50 employees

Financials: Balance sheet total or revenue of €10M or less

How It Works

Example: Invest €100,000 in eligible startup = €20,000 tax credit

Example: Invest €500,000 in eligible startup = €100,000 tax credit (maximum)

Application: Claim credit on annual income tax return

Timeline: Credit available starting 2026 tax year

Key Conditions

3-year holding requirement: Shares must be held for minimum 3 years

New shares only: Must be newly issued at incorporation or capital increase

Cash investment: Must be direct cash payment (not in-kind)

Startup compliance: Company must maintain eligibility criteria

Benefits for Investors

Immediate tax savings: 20% return through tax credit

Risk mitigation: Government subsidy reduces investment risk

Portfolio diversification: Incentivizes early-stage investing

Economic contribution: Support Luxembourg innovation ecosystem

Benefits for Start-Ups

Attracts angel investors with tax incentive

Increases available capital for young companies

Enhances Luxembourg's attractiveness for startups

Contact Information

Tax authority: Administration des contributions directes

Information: Consult tax advisor or Luxembourg tax authorities

Effective date: 2026 tax year onwards

Common Questions

The Start-Up Tax Credit in Luxembourg provides qualifying companies with significant tax benefits that may include reduced corporate income tax rates, tax holidays during initial operating years, exemptions from customs duties on imported equipment, and enhanced deductions for qualifying investments. The specific benefits depend on the company's sector, investment size, location, and employment commitments. Companies must typically apply and receive approval before commencing their investment to ensure eligibility. The incentives are designed to attract productive investment, stimulate economic growth, and encourage companies to establish or expand operations within the jurisdiction.

Companies apply through the designated government agency in Luxembourg by submitting detailed documentation including the business registration certificate, investment plan with projected expenditures and timelines, employment projections, and a description of qualifying activities. The review process evaluates whether the proposed investment meets the program's sector, size, and activity requirements. Processing times vary but typically range from several weeks to a few months. Companies should apply well in advance of their planned investment to secure approval. Maintaining compliance with reporting requirements after approval is essential to retain the incentive benefits throughout the designated period.

Investors must acquire shares in qualifying Luxembourg-registered startups meeting criteria regarding company age, headcount, and turnover. The investment must be direct equity subscription with minimum retention periods. Resident natural persons file claims through annual tax declarations with the credit applied against personal income tax liabilities, supported by share certificates and compliance attestations.

Luxembourg's credit complements its favorable capital gains treatment and wealth management infrastructure. Comparable UK SEIS/EIS, French IR-PME, and Belgian Tax Shelter schemes offer varying holdback requirements and claim ceilings. Luxembourg's distinctive advantage lies in combining the investor credit with its broader international holding company regime, creating layered fiscal benefits for sophisticated angel investors.

References

  1. Luxembourg Introduces New Tax Credit for Start-Up Investments. EY Luxembourg (2025). View source
  2. Luxembourg's New Start-Up Tax Credit: Key Features. ATOZ Tax Advisers (2026). View source
  3. New Tax Credit for Start-Up Investments. PwC Luxembourg (2025). View source

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