3i last October hired advisory firm Baird to explore "strategic options" for Audley’s "next stage of growth".
The Financial Times reports 3i had hoped to raise around £600 million from the sale of Audley, which it agreed to acquire in late-2015. At the time, 3i invested £159 million in Audley.
However, the paper lists 3i’s plans to sell the tailor-made specialist among a number that have now been postponed after US president Donald Trump’s tariffs spooked investors.