Invoicery Group’s net sales increased by 2.8 percent year-on-year in November and amounted to SEK 174.8 million (170.0). This is stated in a press release.Net sales for the rolling 12 months amounted to SEK 1,875 million (1,787 million), an increase of 4.9 percent.The number of self-employed workers in Sweden during the month totaled 6,599 (6,815), which is a decrease of 3.2 percent compared with the previous year.