FiveStar3 has acquired the Alliance of Professional Associations, a national association management company for accounting firms.

Cohen & Co. has acquired Mercurio & Bridgford, expanding the Ohio-based firm's presence in Florida.

BKD said it is combining forces with the Hanke Group, allowing the Springfield, Mo.-based accounting firm to expand to Hanke's San Antonio and south Texas markets.

Canadian accounting firms Horwath Orenstein and Meyers Norris Penny have merged, allowing MNP to expand eastward to Toronto.

The Public Company Accounting Oversight Board plans to meet to discuss rules on reporting by registered public accounting firms and succeeding to a predecessor firm's registration status.

NetSuite has agreed to pay $26 million in cash for OpenAir, a provider of on-demand professional services automation software, and establish an East Coast headquarters in OpenAir's Boston offices.

A new accounting standard is giving executives second thoughts about plans for mergers and acquisitions.

Nonprofit accounting software vendor Blackbaud has struck a deal to acquire rival Kintera for $1.12 per share, or approximately $46 million.

In one of the larger unions between CPA firms in recent years, Amper Politziner & Mattia has merged with Goldenberg Rosenthal, creating a formidable presence in the Northeast with a combined entity that includes 84 partners, 600 employees and annual revenues of roughly $113 million.The merger becomes effective July 1. Terms were not disclosed. Once completed, the consolidated firm will do business under the brand of Amper Politziner Mattia.

The Securities and Exchange Commission has charged a former Ernst & Young partner, an investment banker and her father with insider trading involving information about potential M&A transactions.

CPA firm Marcum & Kliegman is expanding from New York to New Jersey by merging with RosenfarbWinters, a specialist in forensic accounting.

Accounting firm J.H. Cohn said it plans to combine practices with Good Swartz Brown & Berns, a firm based in Woodland Hills, Calif.

Wayne R. Pinnell has been leading Haskell & White as the firm continues to expand its mergers and acquisitions practice.

HintonBurdick CPAs & Advisors plans to merge with Wilson & Co. CPAs, uniting the two Utah firms.

iPro One has reached an agreement to purchase an ownership interest in HbK Sorce Financial, an investment advisory and wealth management firm with more than $1 billion in assets under management.

Amper Politziner & Mattia has merged with Goldenberg Rosenthal to create one of the largest regional firms in the Northeast.

Three accounting firms based in Jackson, Miss., are combining with CPA firm BKD LLP.

Revenue at accounting firm J.H. Cohn rose 26 percent to $221,371,000 for the fiscal year ended Jan. 31, 2008.

Entertainment and sports accountant Mike Vaden and his Vaden Group have allied with regional accounting and business advisory firm Joseph Decosimo & Co. to form a business management practice aimed at the entertainment industry and high-net-worth individuals.

California accounting firm Macias Gini & O'Connell has acquired Moreland & Associates, expanding its Sacramento base to Newport Beach and San Marcos.