Question: What Swiss financial company are the bankers for Shanta Gold?

Context paragraphs:
New Luika Gold Mine: The New Luika Gold Mine is an active mine in the Lupa Gold Field, an area of about 2,600 km2 in south west Tanzania, north of Mbeya, that is known for its gold deposits.  It is the principal mine of Shanta Gold and saw its first gold pour in August 2012.

Ravi Subramanian: Ravi Subramanian is an Indian author.  A banker by profession, Subramanian has written popular thrillers about banking and bankers, including award winning trilogy "The Incredible Banker", "The Bankster" and "Bankerupt".  An alumnus of IIM Bangalore, batch of 1993, Subramanian spent close to two decades in the financial services industry.  After having worked with companies such as Citibank, HSBC and ANZ Grindlays, Subramanian is now the CEO of a listed Non-banking financial company.

Responsability investments: responsAbility Investments AG is a private Swiss enterprise, founded in 2003 and headquartered in Zurich.  Its core business are investments in microfinance companies which provide credit and other banking services to very small, small and medium-sized enterprises who have previously had limited access to formal financial services in frontier or developing countries.  Socially responsible business that seeks to be both transparent and profitable on a sustainable basis is financed.  Impact investing is a general term used for such endeavors.  In addition, investments are made in specific agriculture and energy companies in frontier or developing countries.  responsAbility Investments is registered with the Swiss Financial Market Supervisory Authority (FINMA).

Shanta Gold: Shanta Gold Limited is gold mining company, registered in Guernsey in the Channel Islands but which operates in Tanzania.  The company is listed on AIM on the London Stock Exchange (symbol: LON:SHG) and had a market capitalisation of £63.5M as of 18 September 2013.  The Tanzanian offices are in Dar Es Salaam.  Its bankers are UBS.

VZ Holding: VZ Holding Ltd. is a Swiss financial service company listed on the SIX Swiss Exchange.  Its head office is based in Zürich.

Swiss Financial Market Supervisory Authority: The Swiss Financial Market Supervisory Authority (FINMA) is the Swiss government body responsible for financial regulation.  This includes the supervision of banks, insurance companies, stock exchanges and securities dealers, as well as other financial intermediaries in Switzerland.

List of Swiss financial market legislation: Legislation and supervision of the Swiss financial markets is achieved through a system of laws, ordinances and circulars released by the Swiss Federal Assembly, the Swiss Federal Council and the Swiss Financial Market Supervisory Authority (FINMA).

Swiss Bankers Association: The Swiss Bankers Association is a professional organization of Swiss financial institutions.

Urs Meisterhans: Urs Meisterhans (born November 10, 1960) is a figure within the Swiss financial advisory industry.  He was the founder and principal of the Swiss-based financial services company Sinitus AG, until his departure in 2013.  The company was liquidated in 2015.

UBS: UBS AG is a Swiss global financial services company, incorporated in the Canton of Zurich, and co-headquartered in Zürich and Basel.  The company provides wealth management, asset management, and investment banking services for private, corporate, and institutional clients worldwide, and is generally considered to be a bulge bracket bank.  In Switzerland, these services are also offered to retail clients.  The name "UBS" was originally an abbreviation for the Union Bank of Switzerland, but it ceased to be a representational abbreviation after the bank's merger with the Swiss Bank Corporation in 1998.  The company traces its origins to 1856, when the earliest of its predecessor banks was founded.

Supporting paragraphs: Shanta Gold UBS
Answer: UBS