- Baker & McKenzie Luxembourg
- Banca March, S.A., Luxembourg Branch
- Banco Bradesco Europa S.A.
- Banco Safra S.A., Luxembourg Branch
- Banco Santander (Brasil) S.A., Luxembourg Branch
- Bank GPB International S.A.
- Bank Julius Baer Europe S.A.
- Bank of China (Luxembourg) S.A.
- Bank of China Limited Luxembourg Branch
- Bank of Communications (Luxembourg) S.A.
- Bank of Communications Co., Limited Luxembourg Branch
- Banking Circle S.A.
- Bankinter Luxembourg S.A.
- Banque BCP S.A.
- Banque de Commerce et de Placements S.A., Luxembourg Branch
- Banque de Luxembourg
- Banque de Patrimoines Privés
- Banque Degroof Petercam Luxembourg S.A.
- Banque et Caisse d'Epargne de l'Etat, Luxembourg (Spuerkeess)
- Banque Havilland S.A.
- Banque Internationale à Luxembourg S.A.
- Banque J. Safra Sarasin (Luxembourg) S.A.
- Banque Raiffeisen
- Banque Transatlantique Luxembourg S.A.
- BDO
- BearingPoint Luxembourg S.à r.l.
- Belair House
- BEMO Europe - Banque Privée
- BGL BNP Paribas S.A.
- BHW Bausparkasse AG, Niederlassung Luxemburg
- BIL Fund & Corporate Services
- BIL Manage Invest S.A.
- BLI - Banque de Luxembourg Investments S.A.
- BNP Paribas Asset Management Luxembourg S.A.
- BNP Paribas Lease Group Luxembourg S.A.
- BNP Paribas Leasing Solutions S.A.
- BNP Paribas S.B. Ré S.A.
- BNP Paribas Securities Services, Luxembourg Branch
- BNP Paribas, Luxembourg Branch
- Bonn & Schmitt
- BOS Wealth Management Europe S.A.
- Bourse de Luxembourg
- BPER Bank Luxembourg S.A.
- Brown Brothers Harriman (Luxembourg) S.C.A.
- Brucher Thieltgen & Partners, Avocats à la Cour