September 1 (SeeNews) - Bulgarian software developer Sirma Group Holding [BUL:SGH] said that its consolidated net profit excluding minority interest fell slightly to 3.6 million levs ($2.2 million/1.8 million euro) in the first half of 2021, compared with 3.9 million levs a year earlier.Sirma Group Holding's revenue edged up to 30.9 million levs in the first six months of this year from 29.3 million levs in the same period of 2020, the company said in an interim financial statement on Tuesday.The company's revenue from sales of software services grew 36.3% on the year to 12.2 million levs in the January-June period of this year. Revenue from sales of IT equipment, however, fell by an annual 17.1% to some 8.9 million levs.The group's operating expenses went up to 25.8 million levs in the first half of 2021 from 25 million levs in the same period of 2020.As at 10:30 CET on Wednesday, shares in Sirma Group Holding traded 2.00% higher at 0.51 levs on the Bulgarian Stock Exchange.(1 euro = 1.95583 levs)