Kaufman + Bernstein Inc. in Century City announced Friday that it has merged with West L.A.’s RBZ, one of the largest accounting and business management firms based in Los Angeles County.

The deal adds 19 new members to RBZ’s business management practice, including K&B founders Roy D. Kaufman and Howard M. Bernstein, both certified public accountants.

“Roy and Howard have built one of the most prestigious, reputable business management firms in Los Angeles. We are both thrilled and honored that they have joined RBZ,” Ken Coelho, partner-in-charge of RBZ Business Management, said in a statement.

In the Business Journal’s most recent list of largest local accounting firms, RBZ ranked No. 22, based on number of accounting professionals. It currently has 140 employees and 16 partners.