Bank sources say companies have an opportunity over the next six weeks before the window for new listings slams shut again as people prepare for more Brexit woes.
There have been a flurry of floats recently including Trainline, Watches of Switzerland, Finablr, Network International and Loungers.
Domestic & General, valued at £1.25 billion, is similar to Homeserve. One in three homes in Britain owns a D&G policy. D&G declined to comment.