"On the basis of that engagement and other evidence we have gathered, we are satisfied that this deal will not worsen the options available to businesses and consumers," said Martin Coleman, chair of the CMA's independent inquiry group. For LSEG, which holds a majority stake in the LCH clearing house group, the deal is instrumental to strengthening its post-trade business which provides clearing services for over-the-counter derivatives. Quantile was co-founded in 2015 by Stephen O'Connor, a former Morgan Stanley banker who used to chair the International Swaps and Derivatives Association. ($1 = 0.8719 pounds) (Reporting By Pamela Barbaglia; editing by Andrew Heavens and Jason Neely)