Who are we?

A team of professionals, at your service.

Founded in 2007 and based in Mersch ever since, Fiduciaire de Mersch S.A. changed its name to fime.lu S.A. in 2025. Our fiduciary firm supports individuals, self-employed professionals, and SMEs throughout every stage of their development.
With the opening of a second office in Mondorf-les-Bains in 2025, we are further strengthening our local presence and our closeness to clients.

We offer a comprehensive range of services covering:

Accounting and audit
Tax advisory
Company formation and management
Payroll and HR administration

Our firm is affiliated with the Luxembourg Order of Chartered Accountants (OEC), which ensures the quality and professionalism of our services, as well as strict compliance with our ethical commitments.

”We focus on competence and quality and pay close attention to our clients’ goals and expectations.
Fiduciaire de Mersch

We offer your business a comprehensive service.

Company formation

We assist you with all of the steps to ensure a successful launch of your business.

Accounting

Our department of accounting experts will be with you step-by-step, to facilitate the management of your accounting needs.

Financial advising

We assist businesses and individuals in finding the most appropriate financial solutions considering the current legislative framework.

Wages and benefits department

The social services department of our office offers our clients comprehensive assistance with issues of social law and human resource management.

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Our services

Postal address

B.P. 1
L-7501 Mersch
info@fime.lu
Tél.: (+352) 29 40 50-1

Mersch

22, Rue de Colmar-Berg
L-7525 Mersch

Mondorf-les-Bains

15, avenue des Bains
L-5610 Mondorf-les-Bains