Providing you with tax solutions

The enterprise

Advisius assists businesses in a comprehensive manner, implementing efficient solutions for corporate structuring and restructuring (incl. M&A and post-merger integrations). 

We design tailored tax structures, ensuring compliance and assisting with the risk management.

With a global perspective, we adeptly handle cross-border transactions, addressing international tax implications and tuning strategies.

The shareholder

For both family-owned business and structured (or unstructured) investors, Advisius provides compliant guidance for shareholders, with a focus on the tax implications of holding interests, along with effective tax management and structuring. 

We guide you on the tax aspects of financial investments, emphasizing informed decision-making and compliance. 

Experts at navigating complex estates and gifts, we ensure the wealth transfer to beneficiaries. 

The workforce

Advisius structures and advises on stock options and alternative remuneration schemes, ensuring both compliance and practicality for the granting company and the beneficiaries. 

Our services include guidance on the tax aspects of international mobility, helping individuals and businesses navigate tax obligations across borders.

We provide assistance to directors and management companies, supporting effective and compliant operations.

Business taxation

Corporate transactions and structuring (M&A, holdings & private equity transactions, due diligence)

Investment funds

Real estate

Transfer pricing

Specific tax regimes (DTR, innovation income deduction, tonnage tax, tax consolidation, independent groups of persons, …)

Cash pool and financing structures

Activity development (start-up, scale up, international development)

Supply chain (review, structuring, indirect tax cash-flow enhancement, system simplification and compliance)

Tax rulings

Tax reporting and returns (corporate tax, non-resident tax, withholdings, tax forms, certificates, ATAD3, DAC6, VAT, etc.)

Tax audits and disputes

VAT and customs (with external experts)

Withholding tax

Local and regional taxes

Entity taxation

Activity structuring (activity in Belgium of a foreign entity, foreign activity of a Belgian entity, NPO vs. business taxation)

Tax rulings

Tax reporting and returns (legal entity tax, tax forms, certificates, DAC6, VAT, etc.)

Tax audits and disputes

Wealth tax on legal entities

Withholding tax

Local and regional taxes

Personal taxation

Remuneration and benefits

Salary taxation

Stock options and shares schemes

Impatriates special tax regime

Remuneration structuring (international mobility and split payrolls)


Local and regional taxes

Wealth taxation

Investments taxation

Wealth structuring

Gift / Inheritance and Estate planning

Set up of control structures



Setting up an activity in Belgium

Belgian tax treatment of the activity and its set up, granting you all instruments for a soft landing in Belgium. 

Investing in a US crypto web3 project

On the edge of the digital opportunities, you contemplate to invest in a US crypto project: Belgian tax consequences. 

Incentive with a stock option plan

Belgian tax perspective of Belgian or non-Belgian plan granted to beneficiaries being (or becoming) resident of Belgium. 

Restructuring the activity

Because of economical motives (acquisition, simplification, opportunities, etc.), the business activity requires the restructuring of a Belgian unit.

French Desk

We have set up a team of lawyers dedicated to the tax aspects of the France - Belgium relations for corporate bodies and individuals.

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Our References

Advisius is a recent firm, founded in 2020. Our first recognition comes from our clients (we thank them for their continuous trust and great work achieved together). Legal directories also already recognize our work (we thank our peers for their consideration about our work).