BDO USA LLP has merged Argy, Wiltse & Robinson, P.C. into the firm. The combination will go into effect on Nov. 1.

Accounting standards may play a significant role in shaping cross-border mergers and acquisitions, according to a recently released academic study.

Top 100 Firm Moss Adams LLP and Colorado-based financial services consulting firm Marquis Banking Partners LLC have entered into a joint venture agreement to create Moss Adams Marquis Banking Advisors LLC, which will provide strategic and operational consulting services to financial institutions across the nation.

Cloud-based global equity administration, financial reporting and compliance service Solium Capital Inc. will acquire cloud accounting and compliance application provider OptionEase Inc.

IMGCAP(1)]Acquisition transactions come in all shapes and sizes. Some take place at seemingly breakneck speed, while others are the result of months of thoughtful planning.

Hill, Barth & King’s affiliate merges with Strategic Valuation Group of Warren, Ohio.

Major Sage North America partner SWK Technologies Inc. plans to acquire Portland, Ore.-based Sage reseller Information Systems Management Inc. (ISM), solidifying a more national presence and adding more than $6 million in revenue

Neece, Malec, Seifert & Vitaz, Inc. has acquired Paul T. Ladas CPA of Mentor, Ohio. Deal terms were undisclosed.

Top NetSuite partner ERP Guru has expanded its U.S. operations into St. Louis with the purchase of cloud product and services consultant Cloud Commerce.

Top 100 Firm Carr, Riggs & Ingram LLC added Byrd, Proctor & Mills to its Nashville team.

Microsoft Dynamics Master VAR SBS Group has added several new organizations to its growing partner network over the past few weeks in five U.S. states.

REDW LLC agree to unite with Abalos & Associates, and Miller, Allen & Co.

Top 100 Firm Crowe Horwath continues to carry out its strategic growth plans with its recent addition of NewPoint Group.

Accounting firm mergers, acquisitions and combinations from the previous month

Tax services firm Ryan has signed an agreement to acquire the Thomson Reuters Property Tax Services business.

The N.J. firm expands its offerings into a new niche with the acquisition of McGonigle & Co.

PricewaterhouseCoopers has completed the acquisition of substantially all of the assets of Ant’s Eye View, a social media strategy development and consulting firm.

Kentucky’s largest CPA firm, Mountjoy Chilton Medley, is planning to combine with McCauley Nicolas, the largest Southern Indiana accounting firm in the Louisville metropolitan area.

Brady Ware & Company merged with the Gahanna, Ohio-based accounting firm, Nipps, Brown Collins & Associates. The combination took effect on August 31, 2012.

Epicor Software Corporation has agreed to acquire midmarket enterprise resource planning and management systems product maker Solarsoft Business Systems from Marlin Equity Partners.