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.

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.

doo.FINANCE Belgium is an accounting practice on Rue Borchamps in Aye, in the municipality of Marche-en-Famenne. The office belongs to an international network specialising in accounting kept on Odoo, of which it is a Gold Partner. It handles VAT returns and corporate income tax, and offers training, consulting and migration support for Odoo. The network also has locations in Italy and the Netherlands.

D Tax Consult is an accounting and tax practice on Rue de la Sympathie in Anderlecht, registered with the ITAA under number 52.392.023. The firm works with the self-employed, companies and non-profits, operates remotely, and publishes its site in French and Turkish.

JMS Tax Audit is a family-run accounting practice on Rue des Coteaux in Schaerbeek, in the Brussels region. Founded in 1998, it brings together more than seventeen staff and reports certifying over 63 million euros of assets each year. Its areas cover accounting, tax, financial management, wealth management and court-appointed expert work. The site is available in French, Dutch and English, and a client area is provided.

DB Accounting is an accounting and tax practice on Rue Jean Burgers in Enghien, Hainaut. Led by David Bultreys, a certified tax accountant, it operates several offices across Wallonia and also works remotely by video call. It supports self-employed professionals, small companies, independent professions and non-profit associations. The firm states it is ready for Peppol electronic invoicing and guides clients through the transition. ITAA number 52.356.859.

Countable is an accounting practice on Singeldreef in Lokeren, East Flanders. The office processes invoices digitally, keeps the books up to date and sends a clear overview of the figures at regular intervals. It covers tax and optimisation, advice to directors on the usual trade-offs, and legal advice tied to the life of the company. It serves both new entrepreneurs and established businesses.

co-acc is an accounting practice on Avenue Adolphe Lacomblé in Schaerbeek, working mainly with foreign companies operating in Belgium. The firm publishes its site in English and covers the setting up of the Belgian company or branch, payroll, VAT and cross-border reporting.

ECOVIS ACTA Consult is an accounting and tax practice based in Brussels, with offices in Leuven and Hasselt. The firm belongs to the international Ecovis network and joined the Belgian Vandelanotte group in 2024. It covers accounting and reporting, tax advice, legal services, administrative outsourcing, and automation and digitalisation. It supports local and international businesses, associations and SMEs, in Dutch and English.

A-count is an accounting practice whose Kortrijk office is on Langemeersstraat in Kortrijk, West Flanders. The firm has a second office in Deinze and reports supporting more than 450 entrepreneurs. It handles bookkeeping, VAT, annual accounts and tax advice, with fully digital document processing. Every client is given a fixed point of contact. The Kortrijk entity is registered with the ITAA under number 52.393.336.