Mats Qviberg (born 1953 in ) is a Swedish businessman. Together with his close business partner Sven Hagströmer, Qviberg is in control of a group of companies which include Hagströmer & Qviberg and Investment AB Öresund.
Mats Qviberg was born in central Stockholm. His father worked at a factory owned by General Motors. Qviberg went to school in Bromma outside the city centre and completed his military service in Strängnäs.
He graduated with a degree in business from .
Qviberg started his career with Swedish bank SEB, where he became a in 1981. He was incredibly successful and in 1984 he joined Carnegie Investment Bank, a major player on the Swedish financial markets.
In 1990, Qviberg became a partner in Hagströmer's company and it was renamed to reflect that. Together with Hagströmer, Qviberg built a financial empire beginning with the acquisition of Investment AB Öresund in 1992. Through partly unconventional methods many companies were taken over, sometimes upsetting traditionalist Swedish businessmen like Percy Barnevik. Barnevik served on the Board of Directors of AB Custos, an ancient investment company, which Qviberg and Hagströmer gradually took over.
Today, he control a number of companies. Qviberg is the Chairman of Öresund.
At the end of August 2010, it turned out that HQ Bank didn't have enough money to operate as a bank according to Swedish law, due to risky and failed speculation at the internal trading department at the bank. Sunday the 29th of August 2010, the Swedish "Finance Inspection" (FI, Finansinspektionen) withdrew their permission to operate as a bank. The bank was closed for several days after the 29th. According to Swedish media, approximately 900 customers had money on their accounts which exceeded the Swedish bank guarantee of 500,000 SEK. A report written by FI says that HQ Bank's department for risk control had a weak position at the bank.