10. UBS AG - $1.8 Trillion in Assets

With Headquarters in Zurich and Basel, UBS AG offers services to private, corporate, and institutional clients holding its stance in major financial markets throughout the world.

9. J. P. Morgan Chase - $2.02 Trillion in Assets

JPM is traded on the New York Stock Exchange and provides services to clients in 100 countries.

8. Mitsubishi UFJ Financial Group (Mitsubishi) - $2.07 Trillion in Assets

Mitsubishi is Japan's largest bank holding group providing investment services such as trust banking, commercial banking, international finance and asset management services.

7. Bank of America (BAC) - $2.5 Trillion in Assets

Bank of America is the largest bank holding company in the United States. It serves 99% of the Fortune 500 Companies along with clients all over the globe. After acquiring Merrill Lynch in 2008, BAC has become the largest wealth manager in the world.

6. Credit Agricole - $2.3 Trillion in Assets

As one of the leading retail banking companies in Europe and France, Credit Agricole has 11,500 branches world wide and services about 59 million customers.

5. HSBC Bank - $2.42 Trillion in Assets

HSBC has 460 branches in the United state. All but 80 are located in New York State. This bank offers their services to 4 million customers giving them access to global markets.

4. Deutsche Bank - $2.43 Trillion in Assets

With 2,000 Branches in 72 countries, Deutsche Bank remains the largest German bank.

3. Barclay's PLC - $2.5 Trillion in Assets

Barclay's is currently listed on both the London and New York Stock Exchange and was represented on the Tokyo Stock Exchange up until 2008.  They offer a variety of services ranging from wealth management to retail banking while operating under two business groups. These groups are Global Retail & Commercial Banking and Investment Banking & Investment Management.

2. Royal Bank of Scotland Group (RBS) - $2.99 Trillion in Assets

Although the British Government is currently the largest owner of RBS, it is still the largest banking group in Scotland offering personal banking, business banking, private banking, insurance, and corporate finance services.

1. BNP Paribas - $3.21 Trillion in Assets

BNP operates in 84 countries along with retail banking markets in France, Luxembourg, Italy, and Belgium.