KSi Costa Consulting Group – anyone dealt with them? Favourite Spanish Property Insight › Forums › Spanish Property Forums › Real Estate Topics, News & Discussion › KSi Costa Consulting Group – anyone dealt with them? This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 12 years, 8 months ago. Author Posts November 6, 2006 at 6:01 pm #52425 AnonymousParticipant Hi, Anyone had any dealings with firm of accountants & lawyers called KSi Costa Consulting Group, based in Marbella? Please let me know by PM if you have anything good or bad to say about them. Thanks Mark Author Posts The forum ‘Real Estate Topics, News & Discussion’ is closed to new topics and replies.