Beginning in 2014, Ardzinba worked in the Presidential Administration of Russia, eventually becoming deputy of Vladislav Surkov, then an assistant to the President of the Russian Federation.

[1] He advocates for the BRICS to play a leading role in international politics, after Russia was expelled from the Group of Eight.

[4] Shortly thereafter, Ardzinba supported then-opposition candidate Aslan Bzhania in the 2020 Abkhazian presidential election.

[12] In November, the Prosecutor's Office of the Odesa region began an investigation in absentia against Ardzinba in connection with an attempt to change the state borders of Ukraine.

[13][14][15] In November 2015, Ukraine put Ardzinba on the international wanted list for violating the country's constitutional order.