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

Abacus Worldwide has expanded by merging in a fellow accounting association JHI, effective Sept. 1, 2020.

Mowery & Schoenfeld is merging in Xamin, a provider of managed IT services, and Westberg Eischens has acquired Robert F. Danielowski’s accounting firm.

Section 355 of the Internal Revenue Code provides a powerful tool in corporate restructurings.

The Top 100 Firm has expanded in Massachusetts by adding a financial outsourcing firm, effective Aug. 15.

Two major CPA firms, Baker Tilly and Squar Milner, are joining forces, with the combined firm likely to become one of the 10 largest accounting firms in the U.S. when the deal takes effect on Nov. 1.

The deal bolsters Marcum’s construction industry practice and its presence on Long Island.

Rea & Associates, a Top 100 Firm based in New Philadelphia, Ohio, plans to add Kennedy Cottrell Richards, a firm based in Gahanna, Ohio.

Sikich acquires Heinold Banwart; BPM merges in Warnick, Maestas & Maroney; and Williams-Keepers acquires Mid-Missouri Accounting Services.

BDO USA is expanding in Colorado and Wyoming by adding ACM LLP, formerly known as Anton Collins Mitchell LLP, a firm based in Denver.