ABR--- Accredited Buyer representative The Accredited Buyer Representative (ABR®) designation is the benchmark of excellence in buyer representation. This coveted designation is awarded to real estate practitioners by the Real Estate BUYER'S AGENT Council (REBAC) of the National Association of REALTORS® who meet the specified educational and practical experience criteria.Why should you look for the ABR designation before looking for a home? These three letters after a REALTOR's name tell you that you will be working with buyer representative who is committed to your best interests. The ABR Designation is awarded by REBAC to those REALTORS who have met the specific educational and experiential criteria needed to provide the high level quality service required by REBAC (Real Estate BUYER'S AGENT Council).