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Your challenges – our solutions

Asking the right questions at the right time is one of the keys to success. In terms of accounting consolidation, cross-border transactions, financing of acquisitions, granting aid, protection of intellectual property or data, HR management or estate planning, thg has internal and external resources that will help making your activity a success story. 

Accounting - solid numbers, solid facts

In times of digitization, one would think that manual accounting has already become superfluous. The reality is different: only if the documents have been recorded correctly and the numbers are correct, we can draw the right conclusions. That's why we pay great attention to correct numbers. And we are working intensively on their digital recording. For your comfort. And your security.


Tax advice - at the heart of our activities

Tax advice holds no secrets for us. It’s been part of our DNA since the foundation of thg. Even if today we’re able to offer you a large range of services, tax advice remains the starting point of all our activities. In the current context marked by reduced scope for action, quality tax advice is essential.


Consulting: Your "financial coach"

Thanks to our approach based on clear reports, understandable calculations and logical, well-structured financial plans, we can support you in the management of your company. Financing procedures, acquisitions, restructuring exercises, succession planning: we assume our role of financial coach with dedication and enthusiasm! 


Payroll - Each employee is unique

The mission of the social secretariat - or Payroll Management - requires overall knowledge of the individual situation of each employee, in-depth knowledge of the operational requirements set by the company, as well as a perfect understanding of the legal environment (national and international). thg Human Resources meets these challenges day after day. In Belgium as well as in Luxembourg, our experienced team works to bring answers to your questions in the shortest possible time and with the necessary confidentiality.


Patrimonia - to increase your fortune safely

Your wealth is the material result of your work and your activities. Protecting and always finding the best solutions to invest your assets safely for future generations and to transfer your assets to your children or other heirs without loss is an important but not always easy task. Especially in an international context. We advise you on all questions that arise in this context - with expertise and the utmost independence.


Aides publiques

Vous souhaitez créer votre entreprise ou investir dans votre société actuelle? Il est peut-être possible pour vous de bénéficier de certains subsides afin de réduire le coût de vos investissements.




The obligation of transparency


Non-profit organisations (NPOs) and foundations have their own legal personality, independent of their members.




German Desk

Brussels is the capital of Europe. Important decisions are made here every day. They define the legal framework of our continental economy and have an impact on our life as European citizens.



Our local offices

With over ten offices in Belgium and the Grand Duchy of Luxembourg, thg is well-established. This territorial coverage ensures a maximum of trust and efficiency. Find your local office!

Our management

The managers of thg have deliberately opted for close-to-the-customer service capabilities. That’s why we have a wide network of offices located in the main cities of the French- and German-speaking part of Belgium as well as in the Grand Duchy of Luxembourg. Each office can leverage upon internal and external experts in all areas of modern company management. Our management is at the customer's side.

Our clients
thg is a medium-sized accounting and tax firm serving more than 2,500 clients locally and internationally. Are you a free-lancer, at the head of a start-up or an executive of a company active on the domestic or international market? At thg, we understand your business issues and share your daily reality, whatever it may be. Whether they are big or small, local or international - we serve our customers with care and foresight.
Our values, our philosophy
At thg, client satisfaction is always our ultimate goal. We analyse our client's situation and help solving their business issues with added-value advise tailored to each specific situation. Our motivation is to provide you high quality services and to establish a reliable relationship based on respect and trust. With caution and foresight, we always have an eye on your goals.
A success story since 1983
Joseph Faymonville created his fiduciary in 1983 in his region of origin, on the border between Belgium, the Grand Duchy of Luxembourg and Germany. Today thg has more than 150 highly qualified employees and about 20 external partners. We are established in all the big cities of Wallonia as well as in the Grand Duchy of Luxembourg. 2500 clients benefit from our wide range of services. More about our history.