Marcum LLP has expanded its presence in Boston by acquiring Robert, Finnegan & Lynah PC, effective January 1.

COLORADO

Hayashi & Wayland Accounting & Consulting announced the acquisition of full-service CPA firm Snyder Accountancy, headquartered in Monterey, Calif., with a satellite office in Salinas, Calif., effective Jan. 1, 2012.

McPherson, Kan.-based accounting firm Swindoll, Janzen, Hawk & Loyd announced the acquisition of Hutchinson, Kan., firm BSE, effective Jan 1, 2012.

MNP, one of Canada's largest chartered accounting firms, will expand its presence in Manitoba by merging with Hemenway Silver, effective February 1.

Anton Collins Mitchell LLP has combined practices with Doty, Lyle and Jones LLC, expanding Denver-based ACM’s footprint in Colorado to Boulder.

Accountants and tax practitioners had a busy time this past year keeping up with all the changes in the profession. Here’s our annual list of the top stories in the past year that kept our readers coming to the site for the latest developments:

Deloitte has added Skura Business Intelligence Group to its Canadian firm, expanding the firm’s analytics capabilities.

Porte Brown LLC has acquired Meador Stratton LLP, expanding the Chicago-area accounting firm’s footprint to Indiana.

CPA firm WithumSmith+Brown is expanding its footprint from New Jersey to New York by merging in EisnerLubin.

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.