Since 2013, it is a wholly owned subsidiary of Moscow-based Uranium One Group, a part of the Russian state-owned nuclear corporation Rosatom.

In 2005, Southern Cross Resources Inc. reverse merged with South African Aflease Gold and Uranium Resources Ltd. under the name SXR Uranium One Inc.[3][4] After merger, the company received secondary listing on the Johannesburg Stock Exchange.

[4] The gold assets of Aflease were divested by 2008 and Uranium One Africa was sold in 2010 to Gupta family.

[12][13] By 2017 additional mining licenses had been issued to other operators, shrinking Uranium One's share of U.S. production capacity to approximately 10%.

[2] In October 2013, Uranium One Inc. was delisted from the Toronto and Johannesburg exchanges and became a wholly owned indirect subsidiary of Rosatom.

[16][17] In 2015, Uranium One relocated certain head office functions such as finance, internal audit and some technical services to Moscow.

However, in January 2018, trading functions of the company were transferred to Techsnabexport, an export arm of Rosatom.

[18] In 2010–2013, Uranium One acquired Mantra Resources, the developer of Mkuju River mine in Tanzania.

The company aims to increase its share in the international market by carrying out spot and medium-term trading in natural uranium.

[31] In June 2023, Bolivia signed an agreement with Rosatom through its Uranium One Group to develop its lithium reserves, which are the largest in the world.

[32] Uranium One Inc. is an indirect subsidiary of the Russian state-owned nuclear corporation Rosatom.

[35][36][37] All parties have denied the accusations, and no evidence of wrongdoing has been found after five years of allegations, an FBI investigation, a House Intelligence Committee inquiry, and the 2017 appointment by the Justice Department of the U.S. Attorney in Utah, John Huber, to evaluate the FBI investigation.