Introduction Attracting and retaining international executive talent has long been a strategic priority for Luxembourg’s financial and corporate sectors. As part of the upcoming 2027 budgetary measures, the Luxembourg government has submitted Draft Law No. 8782 to Parliament, introducing a comprehensive overhaul of the tax framework governing stock options. Set to apply to options granted starting from tax year 2027, the legislative proposal replaces legacy administrative practices with a codified statutory structure, while introducing an exceptionally advantageous tax track for innovative start-ups. Pillar 1: The Favorable Regime for Innovative Young Enterprises (JEI) To reinforce Luxembourg's position as a dynamic hub for European venture capital and technology ventures, the bill introduces a specialized tax status under Articles 100bis and 104ter of the Luxembourg Income Tax Law (L.I.R.). For eligible Innovative Young Enterprises (Jeunes Entreprises Innovantes - JEI), the framework radically shifts the standard taxation timeline: Zero upfront taxation: The benefit-in-kind is valued at zero euros upon both grant and exercise. Deferred realization: Taxation applies solely at the disposal of the acquired equity. Favorable rate: Capital gains realized upon disposal are taxed as extraordinary income pursuant to Article 132 L.I.R., applying a reduced rate equal to one-quarter of the taxpayer's global tax bracket. Company Qualification Criteria To qualify under the JEI mechanism, an entity must satisfy cumulative statutory requirements: Incorporated for less than 10 years and registered with the Trade and Companies Register (RCS); Headcount under 150 full-time equivalent (FTE) employees, with a minimum operational staff of 2 FTEs; Annual net turnover or balance sheet total not exceeding 30 million euros; Demonstrated research and development commitment, representing at least 15 percent of total operating expenditure in at least one of the three preceding financial years, duly certified by an independent auditor or chartered accountant. Pillar 2: Codification of the General Regime (Article 104bis L.I.R.) For commercial enterprises that do not meet the JEI benchmarks, or where employers elect not to apply the start-up framework, the reform formalizes statutory rules under Article 104bis L.I.R., moving away from historical reliance on administrative circulars and creating absolute legal certainty. The codified general framework establishes two explicit operational tracks: Freely transferable options: Subject to taxation at the date of grant, evaluated on fair market value less any consideration paid by the employee. Non-transferable options: Taxed at the moment of exercise based on recognized financial methodologies, such as Black-Scholes valuation models. Mandatory holding relief: Where underlying shares are subject to contractually binding lock-up periods, employees benefit from a flat statutory discount of 5 percent per restricted year, capped at a maximum deduction of 20 percent, subject to statutory employer reporting. Transitional Rules: Impact on Existing Corporate Plans Draft Law No. 8782 establishes a clear cut-off criterion based strictly on the grant date: Legacy grants: All stock options granted prior to tax year 2027 remain governed by the legal and tax principles in force at the time of allocation. Future allocations: Any options granted from 2027 onwards will automatically fall under the amended statutory regime. This statutory rule applies irrespective of whether options are awarded under an existing corporate equity incentive plan or a newly drafted framework. Companies are not required to redraft existing overarching plan documentation, but subsequent allocations must be structured around the reformed statutory thresholds. Strategic Takeaways With parliamentary review currently underway, corporate employers, start-ups, and private equity-backed groups should conduct an early audit of their remuneration architecture. Reviewing plan terms and R&D expenditure metrics today will allow businesses to optimize incentive packaging ahead of the 2027 implementation date. BLB in Law can assist corporate groups, start-ups and VCs in designing compliant incentive structures. For strategic legal guidance, contact our team. 

As from 2025, Luxembourg offers a 50% tax exemption on salaries up to €400,000 for highly qualified professionals.