Phantom Shares: Talent retention Without Dilution

A smart alternative to stock options that protects equity and simplifies talent retention.

Category
Corporate
Date
1.20.2025

One of the biggest challenges for startups in Portugal 🇵🇹 is competing in the global job market while lacking the financial resources to offer above-average salaries .

Portugal has introduced one of Europe’s most favorable tax regimes for stock options and other equity-based incentives for SME and R&D-intensive companies.
Key benefit: Employees are taxed at just 14%, and only when they sell their shares on the market.

But there’s a catch…

For many startups, issuing actual equity is a dealbreaker. The dilution it causes often isn’t feasible — especially for founders and early investors who want to keep control during the company’s growth phase.

So, what’s the alternative?

Phantom Shares – an innovative tool that mimics stock options without giving away ownership.
Instead of real shares, employees receive a cash bonus tied to the company’s valuation increase between grant and exercise.

Why Choose Phantom Shares?

No Dilution – Founders retain full equity
Simpler Implementation – No need for share transfers or notarial acts
Aligned Incentives – Employees are rewarded when the company grows
Cap Table Stability – No changes in shareholder structure
Cash-Based Payoff – Ideal for private companies without exit visibility

The Trade-off

Phantom shares are not as tax-efficient as Portugal’s stock option regime (14% rate), but they:

🔹 Avoid ownership dilution
🔹 Offer implementation simplicity
🔹 Work well for bootstrapped or investor-sensitive startups

There’s also room for optimization when it comes to Social Security contributions – especially with the right legal and compensation planning.

Accolades from
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I was very impressed by the vast amount of knowledge Luís possessed, both in terms of theoretical knowledge of the Portuguese Fiscal Law.
Leonardo Bertolini Zichy Thyssen
IE Business School
Luis is really great expert in taxes. He is fast, furious and totally client oriented. I highly recommend Luis for all who need to clarify tax strategy in Portugal.
Anton Voroniuk
SaaS Growth & GenAI Expert 
I am eternally grateful to Luis and look forward to working with Luis for many years to come.
Kathryn Murphy
Global Director of Partnerships at World Connect, Inc.
They say "Your network is your Net worth". Well, consider yourself a rich man if Luis is in any way part of your network.
Ella Grobler
Property Investor and Developer at Rouge Homes Ltd
Luis is knowledgeable, sharp and a pleasure to work with.
Chris Gourlay
Strategy & Innovation Consultant | Founder of Spacehive
He has been extraordinarily responsive and impeccably detailed while conveying the many laws and procedures in an easily understandable manner.
John Sumners
Journalist, Author
Luis Castilho is an extremely efficient, responsive, highly qualified, professional that I have had the pleasure to work with.
Melinda Given
Senior Medical Science Liaison
Luis provides a very professional service, his fees are appropriate and he goes out of his way to assist.
Peter Lunning
Independent consultant
Simples, Rápido e Bastante Profissional.
Hugo Espada
Nova Frigo S.r. l. Spain & Portugal Sales Manager
Luis is the best tax law professional that I have worked with.
Roger Graves
CTO at Cloverpop
Quick, smart, practical.
Maxim Sokiran
Legal and PR Expert
Luís is an outstanding Tax Lawyer, reliable and fully dedicated to his clients. I highly recommend Luís.
David Vicente
DVM, MVSc, PhD, MRCVS, Assistant Professor
He provides high level, timely and outstandingly customer centered tax advices.
Francesco Bax
Executive Leader
Luís Castihlo is hands down one of the best lawyers and tax experts I've ever worked with!
Florian Kaiser
CEO at Inbox Marketing
Working with Luis has been an exemplary experience in navigating Portuguese tax complexities.
Eliot Raymond
Product Lead @ A.Team | Marketing | Growth
Luis Castilho is an excellent tax lawyer. His speed of delivery, deep insights, and presentation skills are truly impressive.
Oleksandr Pysaruk
CEO at Raiffeisen Bank
Ultimately I was able to confidently make an informed tax decision. I have recommended Luis to several friends and co-workers and will definitely continue to do.
Daniel Lourenço
Sr. Director
Honest, highly qualified in Portuguese tax law, deadline maniac and a great guy. Pleasure to work with. Highly recommended.
Maxim Shkolnick
General Partner @ Focus Estate Fund
Integridade e foco em ajudar o cliente insuperável.
André Rodrigues Lopes
General Manager at Datahouse Portugal
I rarely write reviews, but I felt compelled to do this one. Luís Castilho is an excellent professional, very responsive, knowledgeable and thoughtful.
Indira Gomes
Legal Counsel at African Legal Support Facility
I am very happy that he is responsive and I would certainly recommend his services to others.
Steve Howard
Entertainment Promoter/Producer/Consultant
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