Digital health firm Babylon mulls $4bn US stock market float Babylon was founded in 2013 by former Goldman Sachs banker Ali Parsa (Image: Babylon) Babylon is said to be weighing up a US initial public offering that could value the health app at $4bn (£2.8bn). The digital health firm, which offers remote consultations with doctors, has been approached by several bank cheque firms about going public via a Spac deal, Bloomberg reported. The London-based company is also thought to be considering a traditional stock market float in the US. Babylon, which operates the GP at Hand app for the NHS, has benefited from surging demand for digital health services during the pandemic.