The amount of the deal was not disclosed. The Russian management company IQ One, an early investor in Megaplan, has kept a blocking minority share in the company.

Megaplan, which claims its solutions have been used by over 2,500 clients in 60,000 projects, plans a six-fold increase in its turnover this year compared to 2011.

1C, whose revenues topped $814.6 million last year, up 34% from 2010, plans to go public by 2015 or in the subsequent years. In May of last year, 1C acquired a stake in Lognex, a business automation SaaS provider.

In October, Baring Vostok, a leading private equity fund operating in Russia and the CIS, acquired a 9% stake in 1C.