Professionals

Lieutenant Guillaume is an accounting practice on Avenue Herrmann-Debroux in Auderghem, in the Brussels region. Founded in 2015, it reports some twenty staff and works entirely digitally. The office handles bookkeeping, tax returns and annual accounts, and positions itself as an outsourced finance director for small and mid-sized companies. It publishes its fees as subscriptions and packages. It is registered with the ITAA under number 50.587.722.

Fiducon is an accounting office on Maria-Henriettalei in Antwerp. The firm keeps the books entirely digitally, processes purchase and sales invoices, produces interim reports and prepares the balance sheet and profit and loss account. It supports sole traders, small companies and larger businesses, from tax advice to growth support. For new founders it prepares feasibility studies and credit applications.

Immunis is a tax and business advisory practice on Kaperberg in Eupen, in the German-speaking Community. The office reports more than twenty-five years of experience, four tax advisers working as equal partners and three staff. It covers five areas: business advice, tax advice, cross-border businesses, software solutions and accounting. It works across Belgium, Germany, Luxembourg, France, Austria and Switzerland.

Atout Fisc is an accounting practice on Rue Auguste-Levêque in Nivelles, Walloon Brabant. Founded in 2023 by three professionals from different firms, it handles bookkeeping, VAT and tax returns and annual accounts. It also offers reporting, interim statements, advance payment estimates and consolidated accounts. As certified accountants, its partners prepare the statutory reports required for mergers, demergers and liquidations. ITAA number 53.286.140.

AG Compta Fisc is an accounting and tax practice based in Bois-d'Haine, in the municipality of Manage. It is run by Adam Guilmot, a certified chartered accountant and tax adviser registered with the ITAA. The office handles bookkeeping and annual accounts under the Belgian standard chart of accounts, VAT, and the taxation of individuals, companies, non-profits and non-residents. It supports start-ups with incorporation and the statutory financial plan, and works with Peppol electronic invoicing.

Adfibo Accountants is an accounting practice on Namenstraat in Antwerp. Founded in 1994, it is registered with the ITAA under number 50.070.285. The office keeps a regularly updated digital set of books and commits to at least one interim statement a year on top of the annual report. It handles VAT and tax returns and the preparation of annual accounts. The team includes several certified accountants and file managers, all named on the site.