[1] On 14 September 2003 Gromov was part of a group of 16 national-bolsheviks who occupied a train in Lithuania.
[6] On 3 December 2003 Gromov was part of a group of national-bolsheviks who occupied the office of the Ministry of Justice in protest against political repressions in Russia.
[7][8][9] On 2 August 2004 he participated in a non-violent direct action in protest of the cancellation of social benefits in Russia, where he was part of a group of national-bolsheviks who occupied the office of the Minister of Health Mikhail Zurabov.
[citation needed] In 2008 Gromov cofounded the non-governmental organization Prisoners' Union.
[3] Since 2009 Gromov has taken part in the actions of Strategy-31, a series of civic protests in support of the right to peaceful assembly in Russia.