San Diego wealth management firm Rowling, Dold & Associates has joined Moss Adams Wealth Advisors, the wealth management division of accounting firm Moss Adams.

Payroll giant ADP has agreed to buy DO2 Technologies, a Calgary, Alberta-based company that provides electronic invoicing software.

LECG shareholders have approved the consulting firm’s merger with Smart Business Advisory & Consulting along with a related proposal for LECG to receive a $25 million cash investment from Smart’s majority shareholder, Great Hill Partners.

CBIZ Inc. and its affiliated CPA firm Mayer Hoffman McCann have acquired Goldstein Lewin & Co., a South Florida accounting and financial services provider.

Southeast regional accounting firm Carr Riggs & Ingram has combined with New Orleans-based Roth Murphy Sanford, expanding CRI’s footprint to six states.

Southeast regional accounting firm Watkins Meegan is expanding its Annapolis, Md., office by adding several accounting, tax and business consulting experts from Annapolis-based Sturn Wagner Lombardo & Co.

Accounting firm LarsonAllen is combining with the senior citizen services consultancy Third Age Consulting in the New Year.

Maryland accounting firms DeLeon & Stang, CPAs & Advisors, and Hull & Associates CPAs have merged.

Advisor Software has acquired Advisor Partners LLC, an asset management firm that specializes in creating comprehensive investment portfolios and managing client accounts on behalf of professional investment advisors.

In an unusual move, Sikich LLP has merged with Icon Digital Design & Illustration, a marketing and design company, and named two of Icon’s partners as partners in the accounting firm.

Sikich LLP has merged in the accounting, tax and business consulting practice of Frederick M. Marcus & Co., of Rockford, Ill.

Houston-based accounting firm MaloneBailey LLP is expanding to New York by acquiring the client base and some key personnel from the New York firm Kempisty & Co.

Gorfine, Schiller & Gardyn has merged in Bernard B. Cohen & Co., expanding the firm’s real estate practice in the Baltimore area.

Chicago - Baker Tilly Virchow Krause has merged in Beers + Cutler to create what it expects to be the 13th largest accounting firm in the U.S., with over $250 million in revenue.

ARKANSAS

Weaver is expanding its presence in the San Antonio market by merging with Edelman Arnold, starting Jan. 1.

New Jersey accounting firm Cowan, Gunteski & Co., is merging in Woolston, Koerner & Co., building their combined presence in the Garden State.

Friedman LLP plans to combine with Bagell, Josephs, Levine & Co., as of Jan. 1, building the New York-based firm’s presence in New Jersey.

South Florida accounting firms Daszkal Bolton and Chaves & Armstrong are combining to build a larger multinational tax and SEC accounting practice.

Web-based software developer Intacct is offering customers of Canton, Mass-based revenue and billing software provider Softrax Corp. six months of free service of its cloud financial applications.