Kellogg & Andelson Accountancy Corp. has acquired Irwin Pomerantz & Associates, a firm based in Beverly Hills, Calif.

Two New York City-based CPA and business advisory firms, Josephson Luxenberg & Kance CPAs PC, and Maybaum & Maybaum CPAs PC, have merged, effective immediately.

Meyers Norris Penny, the 7th largest accounting and business advisory firm in Canada, has merged in Shiner Kideckel Zweig Inc., an insolvency specialist with eight offices in Ontario.

Southeastern regional CPA and business advisory firm Cherry Bekaert & Holland has expanded its penetration into the Florida market, merging with Miami-based McKean, Paul, Chrycy, Fletcher & Co., effective immediately.

Parente Randolph has combined practices with Lazar Levine & Felix in a $16 million merger, expanding Parente’s footprint in the Northeast.

Crowe Horwath is expanding to New York City by combining practices with Hays Co. LLP.

Minority-controlled accounting firm Mitchell & Titus has combined practices with Hill Taylor, another minority-owned firm, expanding Mitchell’s presence to Chicago.

Scott Sanders and Michael Thaler, formerly partners in Lazar, Sanders, Thaler & Associates LLP, are merging their practice into ERE LLP.

Accounting firm DeLeon & Stang has acquired Daniel G. Falk & Associates, expanding its service offerings.

Seckendorf Hasson & Reilly LLP and its affiliate, LL Business Management Inc., have merged with Eliot H. Lebenhart CPA, to form a Long Island-based sports and entertainment accounting, tax and consulting firm.

An inspirational keynote on teamwork from renowned motivational speaker Pat Williams, an update on M&A activity among CPA firms and the induction of Clifton Gunderson chief executive Carl George into the Advisory Board Hall of Fame highlighted the opening day for the 8th annual Winning Is Everything conference here.

Gilman Ciocia has acquired Weiss Advisory Group and Weiss Financial Services, expanding the firm’s presence in New York.

Accounting firms Blum, Shapiro & Co., and Nishball, Carp, Niedermeier, Pacowta & Co., have merged, building Blum's presence in Connecticut.

Southeast super-regional CPA firm Dixon Hughes plans to integrate the practice of Orlando-based Rosenfield Co., effective Feb. 1.

The troubled economy and the credit crisis do not appear to be tempering the ambitions of growth-oriented CPA firms seeking to fulfill their aspirations for mergers.

Retirement recordkeeping software developer ExpertPlan has acquired Actuarial Enterprises Inc., a third-party administrator of defined benefit and insurance plans.

Gocial Gerstein LLC has merged with Gold, Meltzer, Plasky and Wise to form Gold Gocial Gerstein LLC.

Rosen Seymour Shapss Martin & Co. has merged with another New York accounting firm, Miller Ellin & Co., expanding RSSM's ability to service its audit, tax and consulting clients.

Graf Repetti & Co. has merged with Marx, Lange, Gutterman, effective Jan. 1, augmenting Graf Repetti's presence in New York.

WithumSmith+Brown has merged in another New Jersey-based accounting firm, Serluco & Co.