BT said in December that it would not buy Huawei equipment for the core of its next generation 5G network, which launches this year in 16 United Kingdom cities.
Moreover, reports surfaced on Wednesday (6 February) that US officials have been trying to convince European Union counterparts not to invest in Huawei equipment, following comments by a US State Department Official.
Huawei remains the world's largest telecom equipment maker but spying concerns may create a significant dent in its business; without access to some of the world's richest markets, the company could eventually cede its leadership to one of Nokia or Ericsson.
The United States froze Huawei out of its network infrastructure previous year, claiming that the company was adding backdoor access on behalf of the Chinese government.
Huawei has repeatedly denied that its telecommunication technology poses a threat to the United States security.
On top of all this, the U.S. recently uncovered evidence of Huawei trying to commit fraud and intellectual property theft.
Earlier, a USA embassy spokesperson in Bangkok said the United States "advocates for secure telecoms networks and supply chains that are free from suppliers subject to foreign government control or undue influence that poses risks of unauthorised access and malicious cyber activity". Both companies have denied any wrongdoing.
Australia, New Zealand and Japan have already effectively excluded Huawei from their 5G rollouts, and countries including Canada have been considering following suit. As POLITICO first reported last August, it was originally paired with a second order formalizing an interagency team that reviews foreign entities' telecom investment requests. But Trump's executive order might spark a response from the Chinese government, which is now locked in trade negotiations with the White House.
"We haven't been able to do our work as members of parliament", said Senator Elisabeth Lamure, who is also vice-chair of the upper house's committee for economic affairs.
The big question now is whether Huawei will be shut out of additional Western 5G networks, decisions that would risk inflaming tensions with Beijing.
The Chinese telecom giants Huawei and ZTE have been in the Trump administration's crosshairs as part of a broader focus on Chinese national security threats that has paralleled the ongoing trade war.