Catalyst - Accounting and Tax Experts

How we help our clients

We aim to provide our clients with the best possible advice to optimise their financial setup whilst releasing them from the administrative burden.

Combining the experiences from multiple experts in accounting, tax, finance, HR and tech, we adapt to your specific circumstances and needs.

Catalyst Business Advice
Your financial compass

When it comes to key financial decisions, every choice involves a tradeoff. Having a reliable and knowledgeable advisory partner can help you reach a better conclusion faster. We have successfully advised a number of entrepreneurs through many of those decisions before: company sales and acquisitions, management buy-outs and buy-ins, commercial partnerships, shareholder agreements, fundraising, personal finance planning and much more.

Catalyst Tax Advice
We’ve got you covered

Finding the right optimisation for your personal and corporate taxes can be somewhat daunting and complex. We deliver efficient tax optimisation solutions customised to your specific situation and requirements, and will organise your defense were those to be challenged. Different regimes apply for international organisations, businesses or non‑profit organisations, local or expatriate residents, local or international trade. Our team of experts possesses a wide range of experience and has successfully advised and defended our clients.

Catalyst Accounting
Good numbers = good decisions

Good advice starts with accurate and timely data. That's why you will receive timely visibility on your financials, through our continuous accounting process. Additionally you can rely on us to comply with your key regulatory obligations: VAT listings and filings, interim and annual accounts, corporate tax and personal tax filings, UBO and AML compliance.

Catalyst HR Solutions
People admin made easy

If tax is the most complex subject, payroll and HR come close to par. You can rely on an accessible and experienced team of HR and payroll advisors to guide you through the maze of social legislation. We simplify your payroll processes, help you stay compliant with ever-changing regulations and provide advice on personnel management.

As an independent healthcare professional you have very little time to invest in understanding the complexities of taxes and their implications on your family. Thanks to Catalyst, they helped me set up my first company and made sure that I had the appropriate safeguards in place for my family and that whatever happened to me, they would be taken care of.

Healthcare professional

Catalyst built the business plan and created the company for this healthcare professional. Significant amounts of time were devoted with the client to ensure they put appropriate measures in place to protect their family in all cases.

Previously clients of a very large trust company, we were looking for a company with a much more personalized approach for our growing company which now has ten pharmacies. Julien brought us great serenity in terms of tax and accounting but above all allowed us to transform and adapt our structure to the size of our company. With all his expertise, his availability and his kindness, Julien has become a key part of our company.

Groupe Devanthinic

My associates and I have been using the services of Julien Grafé and Catalyst since the opening of our Veterinary Center in 2020. They manage the accounting of our operating company as well as our management companies with professionalism and rigor. Julien and his team are very available and responsive to our questions. Beyond accounting, their expertise in tax and entrepreneurial matters is invaluable in managing and developing our business. Moreover, their human approach and interpersonal skills strengthen our trust in them. We highly recommend their services!

Centre Vétérinaire VETLIFE

Since the end of my studies, when I started as a independent, until this day, where I bought my first dental clinic, Catalyst has always been there to guide through these important and complex choices. Thanks to a pragmatic approach, I was able to fully understand what I was getting into and take decisions in full confidence.

Dentist

We recently advised our long standing client in the buyout of a dental clinic

I never saw myself as a freelancer. With Catalyst's advice, I was able to develop a comprehensive business plan, choose the appropriate structure and ultimately find the courage to take this step. I am very happy to have made this choice and today I earn a far better living.

IT consultant

Catalyst was hired by client as a financial consultant and business advisor, ultimately leading to the creation of the client's company.

I set up my management company several years ago and kept things very simple. However I felt there were some missed opportunities in terms of tax optimisation. With Catalyst, I was able to quickly find significant optimisation options and earn a much better living as a result today.

Lawyer - Management Company

Catalyst was hired to manage the regular accounting and taxes for this client and improved their situation through regular tax consultations through the year

As an expat in Brussels, it was very difficult to find an accountant who not only spoke English but also understood the specifics of my cross-border situation. The team really pulled together, liaising with multiple parties to make sure I complied with all regulations and optimized my taxes in the process.

Sole Trader Contractor on detachment to Brussels

Catalyst was hired to advise on the financial reporting, tax and VAT setup of this IGO and its contractors. We also produce the non-resident tax forms for several of their employees

When I decided to buy a small manufacturing company, I really didn't know where to start. The Catalyst team really helped me understand the deal at first but also to develop the activity through time. Today our turnover has grown fivefold and are still growing.

Manufacturing

Catalyst was hired by the buyer in an acquisition to provide valuation, structuring and financing advisory. Following the succesful buyout, we were contracted to manage the company's ongoing financials and follow on acquisitions.

I was launching a new venture and needed to raise funds within a very tight time frame. Within two months, over the summer, we managed to secure the full round and launch ahead of schedule.

Master franchisor

Catalyst was the ongoing accounting and tax service provider to this client and accompanied the valuation, roadshow, structuring and negotiation of terms for the fundraising round on behalf of the client.

Catalyst scrutinised my business model in detail and helped me develop a significantly stronger financial plan. Thanks to this, I had a lot more clarity and felt confident in launching and developping my business. I could not have dreamed of a better start.

Health centre operator

Catalyst advised the client on the business plan, the structuration of the business model and the financing of the business venture.

Hear it from
our clients

As service providers, our clients are our number 1 priority and their satisfaction is the most important performance indicator.
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You provide us with the opportunity to put our skills to work and we are delighted when the results come through for you.
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Discover some of our clients' feedback.

Discover more feedback

Who we are

Having gained the trust of their clients, Hassan Ayed, Julien Grafé, Loic Jacobs and Jean Rolin decided to join forces in order to expand the advisory capabilities and expertise available. The Catalyst group was created

We exist to:
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Help you make the most of all financial optimisation opportunities.
Enable you to focus on your core business and expertise.
Give you the peace of mind that all your admin and tax obligations are under control.

We believe in digital first and pragmatic solutions to facilitate your day-to-day admin.
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Trust is foundational to our work and that our relationship must be built through a dedicated expert that you can have easy access to and that you can rely on.
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We believe in bringing you the right advice at the right time.

Meet the experts

By becoming your financial and operational partners, our experts help you take advantage of your numbers and optimise your tax structure, accelerating your journey towards value.

years of experience

Hassan Ayed

Group Partner

Chartered accountant, startups, scale ups and accounting digitisation

years of experience

Julien Grafé

Group Partner

Chartered accountant medical, pharma, life science and tax structuring

years of experience

Sebastien Danneels

Director Catalyst Erasme

Chartered accountant, liberal professions, NGOs and IGOs

Join us

Great service comes with great people.
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We are open-minded and believe in providing opportunities to people from all backgrounds and seniority.
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We thrive when our clients grow and even more when our people grow.

Discover our career opportunities

Need more information?
Please contact us

Interested in our services?
Come and meet us!
We'll show you what we can do!

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Value Accelerator for your business in Belgium.

How we help our clients

Catalyst Business Advice
Your financial compass

Catalyst Tax Advice
We’ve got you covered

Catalyst Accounting
Good numbers = good decisions

Catalyst HR Solutions
People admin made easy

Hear it from
our clients

Who we are