If Verner, Liipfert's lawyers are good--and they are at least well connected--they will strike a better bargain for their clients than the clients would otherwise have got.
The lawyer decided not to represent them. 
mnli hypothesis: The lawyer decided not to represent them.  premise: If Verner, Liipfert's lawyers are good--and they are at least well connected--they will strike a better bargain for their clients than the clients would otherwise have got.