- Accenture (Luxembourg) S.à r.l.
- Advanzia Bank S.A.
- 99 Advisory Luxembourg S.A.
- Agricultural Bank of China (Luxembourg) S.A.
- Airbnb Payments Luxembourg S.A.
- AKD Luxembourg S.à r.l.
- Allen & Overy S.C.S.
- Allfunds Bank International S.A.
- Alpha Europe S.A.
- Alpha Omega S.à r.l.
- Amazon Payments Europe S.C.A.
- Amundi Luxembourg S.A.
- Andbank Asset Management Luxembourg
- Andbank Luxembourg
- Arendt & Medernach S.A.
- Arendt Business Advisory S.A.
- ATOZ Aviation Finance S.à r.l.
- ATOZ Digital Solutions S.A.
- ATOZ S.A.
- ATOZ Services S.A.
- Aurexia S.à.r.l.
- Avaloq Luxembourg S.à r.l.
- AWK Group (Luxembourg) S.à r.l.
- Axon Advisory & Consulting S.à r.l.