Peter  practiced law in the insurance sector after leaving the Bar in 1980 until his retirement in 2012, gaining a recognised international profile both as a litigator and a transactional lawyer. His clients included policyholders, insurers, reinsurers, underwriting agents and brokers. Their casework covered the whole range of activities of the insurance world, from start-up through sale, coverage and defence, down to managed insolvency, and from personal lines to heavy commercial casualty and product liability.