The firm, whose attorney filed late Wednesday, announced early May that it would close and file for bankruptcy in Britain and the United States after failing to recover from the Facebook data scandal.
Earlier this month, the company - which worked on Donald Trump's 2016 presidential campaign - claimed its business had been ruined by "numerous unfounded accusations" which rendered operating the business "no longer viable."
The firm became embroiled in scandal in March when former analyst, 28-year-old Canadian Christopher Wylie, revealed it had used a Facebook personality prediction app to hijack up to 87 million Facebook users' data -- claims it denies.
"Despite Cambridge Analytica's unwavering confidence that its employees have acted ethically and lawfully... the siege of media coverage has driven away virtually all of the company's customers and suppliers," the company said in a statement upon announcing its closure.
Soon after the leak, CA chief executive Alexander Nix was suspended after he was filmed by undercover reporters bragging about ways to win political campaigns, including through blackmail and honey traps.
This week, the New York Times reported the US Justice Department and the FBI are investigating CA -- although it was unclear if the probe was linked to Special Counsel Robert Mueller's into Trump campaign collusion with Russia.
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