
Advans SA is a microfinance bank based in Luxembourg active in a number of developing countries. It was established in 2005.

Advanzia Bank S.A was established in Luxembourg in 2005, subject to CSSF supervision, specializing in no-fee credit cards and euro savings accounts. The bank was established as a result of the former Founding Management of Bankia Bank seeking to establish an EU-based bank. This was accomplished with the previously largest shareholder of Bankia Bank, Kistefos, becoming the largest shareholder of Advanzia Bank. Tor Erland Fyksen, Jan Grenth, Jan Halvorsen, and Eirik Holtedahl have together with Dr. Thomas Schlieper set up the bank, which has quickly become the largest issuer of international credit cards in Germany.

The Bank of Credit and Commerce International (BCCI) was an international bank founded in 1972 by Agha Hasan Abedi, a Pakistani financier. The bank was registered in Luxembourg with head offices in Karachi and London. A decade after opening, BCCI had over 400 branches in 78 countries and assets in excess of US$20 billion, making it the seventh largest private bank in the world.
Banque de Luxembourg is a financial institution in Luxembourg, which primarily focuses on wealth management and high-net-worth individuals

The State Bank and Savings Fund, also known by its Luxemburgish name Spuerkeess, is the leading national financial institution founded in 1856 and governed by the law of March 24, 1989. BCEE is a commercial bank wholly owned by the government of Luxembourg.

Banque Havilland S.A. is a private bank headquartered in Luxembourg. It is owned by the Rowland family and provides services in private banking, wealth and asset management, fund services to private clients and institutions. Banque Havilland has nine offices these are based in Luxembourg, Liechtenstein, Monaco, United Kingdom, Dubai and Switzerland.

Banque Internationale à Luxembourg S.A. (BIL) is the oldest private bank in Luxembourg. It offers commercial and corporate banking services.

Banque Raiffeisen is a Luxembourgish banking and financial services company. Founded in 1926, it is one of the oldest banks in Luxembourg. The bank is independent from foreign shareholders. It is a member of the International Raiffeisen Union (IRU), which is an association of cooperatives based on the ideas of Friedrich Wilhelm Raiffeisen.

BGL BNP Paribas is a Luxembourg bank founded on 29 September 1919. Since May 2009, the bank has been a member of the BNP Paribas group. It is the fifth-largest bank in the Grand Duchy of Luxembourg and is the country's second-largest employer.