Acctive SPRL/BVBA is a fast-growing, IEC/IAB-approved accountancy firm that believes in looking and building towards the future with our clients. We cater for self-employed individuals and SMEs through to medium-sized and large companies. We aim to translate our expertise into real added value for our clients.

You will be assigned a dedicated account manager, who will be assisted by internal or external specialists, with a view to establishing and fostering a long-term relationship of trust. So you can come to us with all your financial and tax questions, but also for any issues relating to management, legal and organisational matters.

Ongoing staff training ensures that we can always provide high-quality, meticulous and accurate services. Acctive’s strengths lie among others in the following areas: administration, bookkeeping, taxation, start-ups, mergers and splits, and succession planning.

Our young, dynamic and progressive management team forms the basis of this sound company. Through our open communication and our focus on staff development, we strengthen their sense of initiative and motivation.

A few months ago, Acctive became a ‘Premium Partner’ of Yuki, an accounting platform fully integrating administrative processing with automatic document recognition, a client communication portal and monitoring tools to manage the administrative process.

Helping business people do better business

We help businesses to achieve their goals. By offering a wide range of services in areas including taxation, legal affairs, social legislation and management, we aim to provide you with effective assistance.

We straighten out tax and legal tangles for you, taking such cares out of your hands. By thinking along with you, we are able to resolve any legal and tax obstacles before they become a problem.

We hand you the figures, tools and reports you need to run your business and take informed decisions.

Thanks to our personal approach, we support you as a business person. As your adviser, we help you to grow.


Correct figures in real time

The economic and tax situation is evolving at an ever faster pace. As a result, more and more business people want an accurate picture of their figures quickly. So it is no longer enough for us to provide figures a few times a year, usually several weeks or months after the date. We aim to give our clients a good, reliable view of their figures on a continuous basis.

Thanks to the intensive automation of certain processes, we are able to update and provide your figures daily. This means that we can tailor our consultancy services better to the economic reality of your company. Which gives you the possibility of taking decisions more quickly based on accurate figures.

Consultancy as added value

Our added value does not lie in keeping accounts or preparing your balance sheet, even though this remains part of our services. Our added value lies in drawing up your financial statements, providing personal advice and optimising your tax situation. Nor does our work end with drawing up your balance sheet. That’s just where it starts! The services we provide go beyond those of a traditional accountant. We look beyond the tax and legal issues and include various management disciplines in our consultancy services.

Our team

Acctive is an IEC/IAB-approved accountancy firm with a team of 20 staff. The three partners complement one another thanks to their differing experience, background and training. They are assisted by a team of 20 professionals, most of whom have a university or higher education degree. With staff specialising in various disciplines and industries, we are always able to approach your account from a broad perspective.

Rudy Oeyen

Rudy Oeyen

Kim Oeyen

Kim Oeyen

Lander Marrannes

Lander Marrannes




Oude Leeuwenrui 44
2000 Antwerp

Tel.: 03/304.04.04


VAT BE-0898.193.769
RPM/RPR Antwerp, Antwerp section


Constant growth means that we are always on the lookout for new high-potentials that are eager to learn. If you are good at figures, punctual and keen to assist and advise our business-minded clients, then you may be the person we are looking for.

We offer a fascinating and challenging working environment with many career opportunities, where every day is different.

You can be sure of an interesting job in an office with great growth ambitions. We attach importance to a healthy work/life balance and an informal atmosphere between colleagues.

To see our current vacancies, please visit our vacancies overview page.

We always welcome unsolicited applications, as well. You may always expect a response within a week.

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You can keep your books yourself or leave it to us. Moreover, we use scanning accounting to …


As approved IEC/IAB accountants, we can carry out the following activities for you…

Tax Consultants

In the increasingly complex tax environment, it is important to be assisted by a team of specialists.

Business Advisers

In addition to providing assistance in a wide range of areas, we are also a point of contact …

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