MayerMeinberg LLP has expanded its Long Island-based firm by merging in Ackerman & Associates LLC in Rockville Centre, N.Y.

Business assurance technology provider ACL Services Ltd. is expanding into the electronic work papers market with the acquisition of Workpapers.com.

The Tax & Accounting business of Thomson Reuters has acquired San Francisco-based Web design company Emochila for an undisclosed sum.

Eide Bailly has acquired William D. Pyle & Associates, expanding the firm’s tax practice in Boulder, Colo.

Health care accounting and consulting firms Pershing Yoakley & Associates and GatesMoore said Thursday they plan to merge on January 1.

PricewaterhouseCoopers has acquired the assets of portfolio optimization software provider Folio Technologies, effectively acquiring the company.

Now that McGladrey & Pullen has completed its acquisition of RSM McGladrey from H&R Block, the reunified firm no longer needs to say that it operates in an alternative practice structure.

Grant Thornton has finalized its deal to acquire the assets and practices of New England accounting and consulting firm CCR LLP, effectively acquiring the firm.

Microsoft Dynamics Master VAR Tribridge has completed the purchase of the U.S.-based Dynamics enterprise resource planning and customer relationship management software business of ePartners, creating one of the largest Dynamics value-added resellers and business consultancies in the U.S.

CPA and business advisory firm Abrams Little-Gill Loberfeld revealed that it has merged with Framingham, Mass-based Langbort & Buettner, effective December 1.

ARIZONA

'TIS THE SEASON FOR M&A

Grassi & Co. is merging in Pustorino, Puglisi & Co., another New York-based accounting firm, on January 1.

MNP, one of Canada’s largest chartered accounting firms, said it would merge with Mississauga, Ont.-based practice EvansMartin, effective Jan. 1, 2012.

In its strategy to expand its presence in the North/Northwest section of Houston, regional CPA and business advisory firm McConnell & Jones has acquired the practice of Adamson, Hood & Co.

Fiducial Business Centers, a provider of tax, bookkeeping and financial planning services in the U.S. said it has acquired Springfield, Ill.-based Funeral Directors of America and Funeral Management Services, for undisclosed terms.

MNP, one of the largest chartered accounting and consulting firms, said it would merge in Williams McGuire AML—a large anti-money laundering firm, effective January 1.

Global CPA and business advisory firm Grant Thornton is currently in negotiations to acquire Boston-based regional firm CCR, according to the Boston Business Journal.

Corporate acquisitions using overpriced shares of stock rarely do much to cushion the decline the shares eventually suffer, according to a new study.