Boyum & Barenscheer CPAs has acquired Peterson, Peterson & Associates CPAs.

By now the accounting profession is up to speed on KPMG acquiring Rothstein Kass. It was a pairing that kept the rumor mill churning.

The accounting profession has been anticipating this team-up for a few years now, but Accounting Today learned that official discussions didn’t start until earlier this year. “Deals of this size take time to come to agreement on,” said Scott Ozanus, deputy chairman and COO of KPMG. “To be quite honest, we didn’t literally start talking to the principals of [Rothstein Kass] until January 2014.”

A roundup of recent accounting firm mergers and acquisitions.

Stephen Mankowski CPA of Hatboro, and Edward Caine of Bryn Mawr, Penn., agreed to merge their practices after becoming friends through their respective leadership positions in the National Conference of CPA Practitioners.

KPMG LLP and Rothstein Kass, a leading professional services firm in the hedge fund industry, have entered into an agreement to merge. Terms of the deal are undisclosed and it is expected to wrap up in a few weeks.

Dixon Hughes Goodman LLP has added Cohen Rutherford + Knight PC to its national health care practice, DHG Healthcare.

Eide Bailly has expanded its offering into Washington with the addition of McDirmid, Mikkelsen & Secrest. The deal is expected to close on June 16.

WeiserMazars LLP has completed its merger with ICS Consulting Partners, a boutique internal audit, regulatory compliance and credit risk management consulting firm catering to the banking industry.

Clark Schaefer Hackett has added the Columbus-based firm Schoonover Boyer + Associates to its firm. The new addition gives CSH’s Columbus office 87 associates, which brings the total staff to 394.

Grant Thornton has expanded its presence in the United Kingdom, Australia, Canada, Cyprus and the Isle of Man.

BDO USA LLP has added the Fort Worth, Texas-based regional accounting firm Hartman Leito & Bolt. The merger is expected to close on June 1.

H&R Block recently completed an acquisition of New River Innovation, developer of tax-issue resolution software Beyond415.

KPMG LLP has acquired a majority of assets of the restructuring advisory firm BBK.

Carr, Riggs & Ingram LLC has acquired Auditwerx, a CPA firm specializing in performing auditor assurance engagements to meet regulatory or customer compliance needs for service companies.

A roundup of recent accounting firm M&A.

Prospective deals by General Electric Co. and Valeant Pharmaceuticals International Inc. show how the U.S. tax code is helping drive billion-dollar mergers and acquisitions.

Milwaukee-area accounting firms Sitzberger Widmann & Company, S.C. and Hau & Associates, S.C. have merged to form Sitzberger Hau & Company S.C., effective immediately.

Deloitte has acquired Urgentis Digital Crisis Solutions Inc., a Calgary, Canada-based firm that helps companies prepare for and respond to cybersecurity events.

WTAS Global, the international arm of tax advisory firm WTAS, has added locations in the Netherlands and Moscow through the addition of tax advisory and consultancy Taxperience Group.