<P> The FTSE 350 Index index is a market capitalization weighted stock market index incorporating the largest 350 companies by capitalization which have their primary listing on the London Stock Exchange . It is a combination of the FTSE 100 Index of the largest 100 companies and the FTSE 250 Index of the next largest 250 . The index is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group . See the articles about those indices for lists of the constituents of the FTSE 350 . </P> <P> The FTSE 350 is not very widely followed . The terms "FTSE 350" or "FTSE 350 company" are, however, useful for referring to large listed British companies when one wishes to include companies outside the top 100 . </P>

Advantages of the company being part of the ftse 350 index