What's the Purpose of the Calculator?
The stock option tax calculator serves as an educational resource, helping HR professionals effectively communicate the tax consequences of stock options to employees.
For employees, the calculator is a valuable tool to demystify the taxation process. It provides insights into the timing of tax events and offers an estimated tax liability calculation based on their stock option gains.
By using the calculator, companies and employees can plan ahead and make informed decisions regarding their incentive plans.

What is Covered By the Calculator?
Taxable Events: Different countries tax stock options at different points — typically at grant, vesting, exercise, or the sale of shares. The calculator shows the tax points for each covered country, considering both favourable and non-favourable tax treatment.
Covered Taxes: The calculator focuses on the most substantial taxes related to stock options — income tax and social security contributions. Other taxes that may exist are not included, as they are generally minimal and have little impact on the overall result. Keep in mind that the entire calculation is based on your estimated inputs.
Tax Rates for Different Countries: The calculator utilises current tax rates for the year 2023. While tax rates may change in the future, these changes typically do not significantly alter the overall picture. However, it's essential to stay updated with tax regulations throughout the incentive program.
Social Security Contributions: The calculator includes the most common contributions, but it's essential to note that the types and amounts of these contributions may depend on personal choices. Consider the calculator as a helpful starting point, but not the ultimate authority.
European Country Coverage: While we are actively working to expand the calculator's coverage, please note that the current version may not include all European countries. Rest assured, we are dedicated to increasing its range in the future.
Virtual stock options. VSOP is an alternative equity compensation program that provides employees with virtual or phantom shares, simulating ownership in the company without actual ownership rights. These plans are becoming increasingly popular as they offer flexibility and simplified administration compared to traditional ESOPs. The tax calculator enables companies and employees to explore and compare the tax implications of both ESOPs and VSOPs.
What is NOT Covered by the Calculator?
Exact Results: The calculator cannot provide precise figures, since the final tax liability depends on an employee's individual circumstances at the time of the tax event. Keep in mind that personal deductions often reduce the final tax amount. Consider the result as a possible range that can be further adjusted in your annual tax return.
Non-Employees: The calculator primarily focuses on employees with stock options. It may not accurately assess tax implications for individuals such as contractors or external stakeholders. Requirements for specific countries are outlined accordingly.
Cross-Border Situations: The calculator may not account for individuals working or residing in multiple countries or frequently changing work locations during the stock option program. Taxation in such cases can be more complex and may require specialised advice.
What to Keep in Mind When Using It
User Feedback: The tax calculator is an early version, and we plan to enhance its capabilities continuously. Your feedback is invaluable in refining the tool, ensuring accuracy and comprehensiveness.
More than Tax Calculations: Remember that setting up a stock option plan involves more than just taxes. At Salto X, you can explore additional tools and tips that make this task less burdensome and more enjoyable.
Conclusion
Navigating the tax implications of stock options can be challenging, but the Stock Option Tax Calculator aims to simplify this complexity. While the current version may not provide precise numbers or cater to all circumstances, it serves as a valuable starting point for planning and informed decision-making. As the calculator evolves and expands its coverage, it will undoubtedly become an indispensable resource for individuals seeking clarity on stock option taxation.