BDO USA is merging in Quantum Global Advisors LLC, a Chicago-based international insurance claim and valuation consulting practice, in a deal that’s expected to close Oct. 16.

The tax content provider adds a high-powered customer list to Avalara.

About three years ago I was helping a client sell his business in what was a pretty typical negotiation for me. However, the client exhibited apprehension almost every step of the way.

Top 100 Firm Grassi & Co. is acquiring Levine, Caufield, Martin & Goldberg; and Deming, Malone, Livesay & Ostroff and Rodefer Moss are merging.

The Top 50 Firm is adding a NetSuite implementation partner, expanding its technology solutions team.

The Top 50 Firm is expanding in Texas and New Mexico with its latest deal.

The Top 100 Firm is expanding its presence on Long Island.

The Top 100 Firm based in Atlanta has acquired Plush Smith P.A., a firm in Sarasota, Florida.

The acquisition offers integration opportunities with CCH Axcess, Wolters Kluwer’s cloud-based software suite for professional firms.

Armour & Associates joins Frost & Company; the Pennsylvania Institute of CPAs acquires CPA Crossings; CBIZ adds ARC; and TCV buys Oversight.