Student or Learner
Itís the most innovative concept ever developed in the world. We have kept the interest of our customers in the mind. Because whatever height of success RH group have achieved, itís just because of our customers trust in us. We are committed to make buying a home as affordable as possible for everyone and we have proved that we deliver what we promise.
In BrE, these are acceptable:
whatever degree of success RH group have achieved
and we have proved that we deliver what we promise.
ps. bilmcd's corrections are fine for AmE.