 Commercial insurers are facing hefty claims from the coronavirus crisis but are also seeing a steep rise in premiums tempting companies and industry veterans to raise capital, launch new businesses or expand into new lines. New insurance ventures sprang up after Hurricane Andrew in 1992, the 911 attacks in 2001 and Hurricane Katrina in 2005. John Cavanagh, former head of broker Willis Re and a founder of insurance venture capital firm Beat Capital, is seeking to raise funds in the low hundreds of millions of pounds from long-term investors for new insurance projects. 