A committed team,
with trusted
partners
Thanks to a close-knit team and a network of trusted partners, we guide our clients at every step, simply and efficiently.

Who are we?
AIBM is a fiduciary firm based in Luxembourg, specialising in accounting, tax, payroll management and strategic support for businesses and entrepreneurs, particularly in a cross-border context. We support SMEs, self-employed professionals, cross-border executives and international companies with a holistic, pragmatic, decision-oriented approach.
Thanks to high-performance digital tools, we provide clear, up-to-date accounting, offering real visibility to manage the business and anticipate what’s ahead. Our cross-border expertise between Luxembourg, France and Belgium enables us to support complex tax, accounting and wealth matters, closely aligned with the realities entrepreneurs face.
At AIBM, our values are not abstract principles. They concretely guide the way we work and the relationship we build with our clients every day. They are reflected in our interactions, our methods, and our commitment at every step of the support we provide.
At AIBM, our values are not abstract principles. They concretely guide the way we work and the relationship we build with our clients every day. They are reflected in our interactions, our methods, and our commitment at every step of the support we provide.
Excellence
We are demanding about the quality of the figures we produce. Reliable, accurate and up-to-date data is essential to understand, anticipate and manage a business effectively. For us, excellence is a prerequisite, not an option.
At AIBM, our values are not abstract principles. They concretely guide the way we work and the relationship we build with our clients every day. They are reflected in our interactions, our methods, and our commitment at every step of the support we provide.
Trust
We are demanding about the quality of the figures we produce. Reliable, accurate and up-to-date data is essential to understand, anticipate and manage a business effectively. For us, excellence is a prerequisite, not an option.
At AIBM, our values are not abstract principles. They concretely guide the way we work and the relationship we build with our clients every day. They are reflected in our interactions, our methods, and our commitment at every step of the support we provide.
Respect and authenticity
We are demanding about the quality of the figures we produce. Reliable, accurate and up-to-date data is essential to understand, anticipate and manage a business effectively. For us, excellence is a prerequisite, not an option.
At AIBM, our values are not abstract principles. They concretely guide the way we work and the relationship we build with our clients every day. They are reflected in our interactions, our methods, and our commitment at every step of the support we provide.
Community spirit and mutual support
We are demanding about the quality of the figures we produce. Reliable, accurate and up-to-date data is essential to understand, anticipate and manage a business effectively. For us, excellence is a prerequisite, not an option.
At AIBM, our values are not abstract principles. They concretely guide the way we work and the relationship we build with our clients every day. They are reflected in our interactions, our methods, and our commitment at every step of the support we provide.
Innovation and adaptability
We are demanding about the quality of the figures we produce. Reliable, accurate and up-to-date data is essential to understand, anticipate and manage a business effectively. For us, excellence is a prerequisite, not an option.
The management team
Luxembourg–Belgium expertise & international environments
Gaëtane develops and leads AIBM’s Luxembourg–Belgium expertise. She has solid accounting, tax and financial experience in international environments, both for SMEs and multinationals.
France–Luxembourg expertise & wealth perspective
Bertrand has been supporting entrepreneurs, executives and investors operating between France and Luxembourg for many years. His career has enabled him to develop a comprehensive view of entrepreneurial situations, integrating business management, taxation and wealth-related issues.
Luxembourg–Belgium expertise & international environments
Gaëtane develops and leads AIBM’s Luxembourg–Belgium expertise. She has solid experience in international environments and larger organisations, notably within multinationals. She supports companies facing cross-border, organisational and human challenges, with a structured, rigorous, solutions-oriented approach. Gaëtane focuses in particular on taxation, remuneration management, social security obligations and the organisation of businesses operating across several countries. Her role is to bring clarity and security in contexts often perceived as complex, by offering solutions tailored to both the situation and the executives.
France–Luxembourg expertise & wealth perspective
Bertrand has been supporting entrepreneurs, executives and investors operating between France and Luxembourg for many years.
His career, notably within private banks, has enabled him to develop a comprehensive view of entrepreneurial situations, integrating business management, taxation and wealth-related issues.
Used to complex contexts, Bertrand works both on structuring establishment projects and on organising executive remuneration and wealth support.
He places particular importance on the consistency of the decisions made, taking into account both professional and personal objectives.
His way of working is guided by a pragmatic, long-term approach, where figures above all serve to inform choices and secure trajectories.
Join AIBM
Working at AIBM means joining a close-knit fiduciary firm, where proximity, trust and commitment are part of everyday life. We operate in a demanding professional environment, but always focused on collaboration and exchange. We value autonomy, a sense of responsibility and the desire to understand the challenges of the businesses we support. At AIBM, everyone has the opportunity to develop their skills, get involved in cases and actively contribute to thinking and decision-making. Joining AIBM means becoming part of a structure where accounting and taxation are seen as true management tools, in the service of entrepreneurs and their projects.

Spontaneous application
AIBM is regularly looking for motivated profiles, junior or experienced, wishing to grow within a modern fiduciary firm, where accounting, taxation and advisory services truly come into their own. Spontaneous applications are welcome.
Open positions
Your responsibilities
Reporting to the Chief Accountant, you will manage the accounting from A to Z. Your main responsibilities will include:
- Day-to-day accounting: Entering supplier invoices, managing expense claims and tracking customer payments.
- Cash management: Bank reconciliations and daily monitoring of cash flows.
- Tax: Preparing VAT returns and other taxes (CVAE, CFE, etc.).
- Closings: Active participation in monthly closings and in preparing the annual balance sheet and profit and loss statement.
- Reporting: Analysing variances and updating activity monitoring dashboards.
Desired profile
You are the ideal candidate if:
- Education: You hold a qualification equivalent to a 2–3-year post-secondary degree in accounting (BTS CG, DCG or equivalent).
- Experience: You have experience in a similar role, ideally in a firm or an SME.
- Technical skills:
- Strong command of accounting software is essential (e.g., Sage, Cegid, SAP).
- Excellent command of Excel (pivot tables, complex formulas).
- Good knowledge of current tax and accounting regulations.
Your strengths (Soft Skills)
- Rigour and organisation: You pay attention to detail and strictly meet deadlines.
- Autonomy: You know how to manage your priorities while being a team player.
- Confidentiality: You act discreetly regarding the company’s sensitive data.
What we offer
- Benefits: Meal vouchers, company health insurance.
- Environment: Modern offices and a close-knit team.
How to apply?
Would you like to take on this challenge and join a company that values your expertise? Send us your CV and a short cover letter to the following address:

