 In 1992, he rescued the local newspaper "Länstidningen" in Östersund as it fell into financial difficulties.In 2002 he controlled a majority stake at the "Länstidningen", as well as several other local companies.Sundqvist was ranked in 2007 by the Swedish business magazine the "Affärsvärlden" as one of Sweden's wealthiest individuals after his acquisition of large blocks of shares in a number of Swedish corporations such as Hexagon, Fabege, Industrivärden and SCA.