Southern California's Squar Milner has joined forces with San Francisco-based Louie & Wong, marking its second deal with a San Francisco firm this year. Terms of the transaction were not disclosed. The combination is effective Feb. 1, when Louie & Wong begins operating under the Squar Milner name. Louie & Wong's more than 20 employees at 425 Washington St. will move over to Squar Milner's San Francisco office at 135 Main St. Louie & Wong serves a market niche focused on high-end tax, accounting...