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

full_context: Document 1: 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.
Document 2: Investment One: Investment One Financial Services Limited was incorporated in 2008 as GTB Asset Management, a wholly owned subsidiary of Guaranty Trust Bank Plc, is licensed by the Securities & Exchange Commission Nigerian Stock Exchange (NSE) to provide several capital market services, including acting as trustees to bond issuance programmes and collective investment schemes. Following recent reforms in the banking industry initiated by the Central Bank of Nigeria, GTBank recently divested its ownership through a management buyout.The Company’s name then changed to Investment One Financial Services.
Document 3: HSBC: HSBC Holdings PLC is a British multinational banking and financial services holding company, tracing its origin to a hong in Hong Kong. It is the world's seventh largest bank by total assets and the largest in Europe with total assets of US$2.374 trillion (as of December 2016). It was established in its present form in London in 1991 by The Hongkong and Shanghai Banking Corporation Limited to act as a new group holding company. The origins of the bank lie mainly in Hong Kong and to a lesser extent in Shanghai, where branches were first opened in 1865. The HSBC name is derived from the initials of the Hongkong and Shanghai Banking Corporation. The company was first formally incorporated in 1866. The company continues to see both the United Kingdom and Hong Kong as its "home markets".
Document 4: U.S. Trust: U.S. Trust, Bank of America Private Wealth Management (formerly known as U.S. Trust Corporation) was founded in 1853 as the United States Trust Company of New York. It operated independently until 2000, when it was acquired by Charles Schwab, and Co., and subsequently was sold to, and became a subsidiary of, Bank of America in 2007. U.S. Trust provides investment management, wealth structuring, and credit and lending services to clients.
Document 5: State Bank of India: State Bank of India (SBI) is an Indian multinational, public sector banking and financial services company. It is a government-owned corporation with its headquarters in Mumbai, Maharashtra. On 1st April, 2017, State Bank of India, which is India's largest Bank merged with five of its Associate Banks (State Bank of Bikaner & Jaipur, State Bank of Hyderabad, State Bank of Mysore, State Bank of Patiala and State Bank of Travancore) and Bharatiya Mahila Bank with itself. This is the first ever large scale consolidation in the Indian Banking Industry. With the merger, State Bank of India will enter the league of top 50 global banks with a balance sheet size of ₹33 trillion, 278,000 employees, 420 million customers, and more than 24,000 branches and 59,000 ATMs. SBI's market share will increase to 22 percent from 17 per cent. It has 198 offices in 37 countries; 301 correspondents in 72 countries. The company is ranked 232nd on the "Fortune Global 500" list of the world's biggest corporations as of 2016.
Document 6: Signet Jewelers: Signet Jewelers Ltd. (Ratner Group 1949-1993 then Signet Group plc to September 2008) is the world's largest retailer of diamond jewelry. The company is domiciled in Bermuda and headquartered in Akron, Ohio, and is listed on the New York Stock Exchange. As of 14th march 2016 the company has been delisted from the London Stock Exchange, following reports that less than 1% of their annual trading volume was conducted via the platform. The group operates in the middle market jewelry segment and has number one positions in the U.S., Canada and UK speciality jewelry markets. Certain brands (Jared in the U.S. and H. Samuel/Ernest Jones/Leslie Davis in the UK) operate in the upper middle market. Signet Jewelers owns and operates the companies Zales, Kay Jewelers, and Jared.
Document 7: Standard Chartered Kenya: Standard Chartered Kenya, whose official name is Standard Chartered Bank Kenya Limited, but is sometimes referred to as Stanchart Kenya, is a commercial bank in Kenya. It is a subsidiary of the British multinational financial conglomerate headquartered in London, United Kingdom, known as Standard Chartered. Stanchart Kenya is one of the banks licensed by the Central Bank of Kenya, the central bank and national banking regulator, in the largest economy in the East African Community.
Document 8: HypoVereinsbank: UniCredit Bank Aktiengesellschaft, better known under its brand name Hypovereinsbank (HVB), is the fifth-largest of the German financial institutions, ranked according to its total assets, and the fourth largest bank in Germany according to the number of its employees. Its registered office is in Munich and it is a member of the Cash Group. Since 2005, UniCredit Bank AG has been a subsidiary of UniCredit S.p.A., an Italian financial service provider with its registered office in Rome and its headquarters in Milan. When the transfer resolution was entered in the commercial register in 2008, the equities of the minority shareholders were transferred to the principal shareholder, UniCredit S.p.A. as part of a squeeze-out. HVB thus became a wholly subsidiary and has not been listed on the stock exchange since this time.
Document 9: JPMorgan Chase: JPMorgan Chase & Co. is a U.S. multinational banking and financial services holding company headquartered in New York City. It is the largest bank in the United States, the world's sixth largest bank by total assets, with total assets of US$2.5 trillion, and the world's second most valuable bank by market capitalization, after ICBC. It is a major provider of financial services, and according to "Forbes" magazine is the world's sixth largest public company based upon a composite ranking. The hedge fund unit of JPMorgan Chase is the second largest hedge fund in the United States. The company was formed in 2000, when Chase Manhattan Corporation merged with J.P. Morgan & Co.
Document 10: GlaxoSmithKline: The company has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index. As of August 2016 it had a market capitalisation of £81 billion (around $107 billion), the fourth largest on the London Stock Exchange. It has a secondary listing on the New York Stock Exchange.
Document 11: Zhongjin Gold: Zhongjin Gold is a Chinese mining corporation mainly focusing on non-ferrous metals, such as gold, copper, and platinum. They are China's largest gold producer. The corporation is based in Beijing, and holds mines in across China. They recently acquired two large gold production companies in Shandong, after winning a bidding war against Shandong Gold. The company's largest single gold mine in the Dazhuohan mine, producing 500,000 metric tones concentrate a year. They are currently traded on the Shanghai Stock Exchange as "Company 600489", and are listed on Forbes "Asian Fab 50" list. As they are generally considered China's most powerful gold corporation, they often do business with many foreign companies and entities.
Document 12: Union Investment: Union Investment (formal name Union Asset Management Holding AG) is the investment arm of the DZ Bank Group and part of the cooperative financial services network. It was founded in 1956 and is headquartered in Frankfurt.
Document 13: Glencore: Glencore plc (an acronym for Global Energy Commodity Resources) is an Anglo–Swiss multinational commodity trading and mining company with headquarters in Baar, Switzerland, and a registered office in Saint Helier, Jersey. The current company was created through a merger of Glencore with Xstrata on 2 May 2013. s of 2015 , it ranked tenth in the Fortune Global 500 list of the world's largest companies. It is the world's third-largest family business.
Document 14: 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.
Document 15: 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.
ground_truth: UBS