The P/E ratio of John Laing Group plc (JLG.L) is -50.72, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings. John Laing Group plc (JLG.L) has a P/B Ratio of 1.00. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. John Laing Group plc, formerly Henderson Infrastructure Holdco (UK) Limited, is an originator and active investor and manager of greenfield infrastructure projects. Price to Book Value per Share Ratio. John Laing Group plc is a British investor, developer and operator of privately financed, public sector infrastructure projects such as roads, railways, hospitals and schools through Public-Private Partnership (PPP) and Private Finance Initiative (PFI) arrangements. The Company operates through segments, including Primary Inv estment, Secondary Investment and Asset Management. JOHN LAING GROUP PLC - Free company information from Companies House including registered office address, filing history, accounts, annual return, officers, charges, business activity John Laing Group Plc engages in the ownership, investment, and management of infrastructure assets. View recent trades and share price information for John Laing Group plc (JLG) Ordinary Shares GBP 0.10 John Laing Group plc ("John Laing") the responsible investor and active manager of infrastructure projects internationally, creates shareholder value through investing in sustainable greenfield infrastructure projects, and by actively managing these projects through construction and into operation. The latest John Laing Group plc (JLG) Ordinary Shares GBP 0.10 share price (JLG). John Laing Group plc, formerly Henderson Infrastructure Holdco (UK) Limited, is an originator and active investor and manager of greenfield infrastructure projects. JOHN LAING GROUP PLC JLG Company page - Search stock, chart, recent trades, company information, trading information, company news, fundamentals Find the latest JOHN LAING GROUP PLC ORD 10P (JLG.L) stock quote, history, news and other vital information to help you with your stock trading and investing. The Company operates through segments, including Primary Investment, Secondary Investment and Asset Management. John Laing Group plc, formerly Henderson Infrastructure Holdco (UK) Limited, is an originator and active investor and manager of greenfield infrastructure projects. John Laing Group plc originates and invests in public sector infrastructure projects.