[3] In 1992–1995 he worked in OJSC Grand Club and in 2002–2003 was the executive director of the JV International Masis Tabak Co Ltd.

Since 2007 Grand Holding has been the first taxpayer, exporter and employer in the sphere of production of the RA.

[4] For outstanding state and social activities, on September 14, 2011, Mikael Vardanyan was awarded the Medal of Mkhitar Gosh.

Within the scope of charitable programs, with the financing of Mikael Vardanyan, various large-scale projects of the communities infrastructure improvement were implemented in the border communities of the Tavush region.

[9][10] In 2019, with the initiative and the financing of Mikael and Karen Vardanyan the Yerevan 2800th Anniversary Park was built.