Clifton Gunderson LLP has acquired the Colorado firm of Levine, Hughes & Mithuen in a merger effective Nov. 1.

Los Angeles-based Information Technology Group Inc. has acquired Xcelerate LLC, a reseller of Sage Accpac ERP and Sage CRM software based in Chicago.

Mahoney Sabol & Co. has announced that it will merge with Middletown, Conn.-based firm Gomola & DiBella LLP. Financial terms were not disclosed and the combined firm will operate under the Mahoney Sabol name, and have a staff of more than 30 tax and accounting professionals. Gomola’s founder, Gary Gomola, has practiced in Middletown for more than 30 years and has expertise in business valuation, as well as in the areas of computer technology and the Internet. The merger became effective on Oct. 1 and will result in the Middletown offices of both firms being combined. Mahoney Sabol also has Connecticut offices in the towns of Glastonbury, Essex and Somers.

In an effort to bolster its automotive practice unit, global firm Grant Thornton LLP has acquired Restructuring & Performance Improvement Group from financial advisory firm Stout Risius Ross Inc.

Tax software publisher CCH continued making an aggressive push into the small practitioner market, announcing its second major acquisition in as many months.The Wolters Kluwer business, which produces the ProSystem fx Office line of accounting and business software products, signaled its determination to take on the marketplace leader, Intuit Inc.'s QuickBooks, by striking a pact to purchase TaxWise Corp.

Null-Lairson PC announced that it will acquire Texas City, Texas-based Griffin, Iles & Duvall LLP. Financial terms of the deal were not disclosed. Griffin, formed in 1985, employs 14 full-time employees (including a trio of partners) and a season audit staff of seven, according to its Web site. The firm offers a range of tax and audit services for businesses and individuals, specializing in the Internet environment and e-commerce. Founded in 1975, the Texas City location will be the fourth office in the state for Null-Lairson, which already has outposts in Galveston and Sugar Land, as well as a recently renovated headquarters in Houston. Null-Lairson has 60 employees -- including five shareholders and three principals. Null-Lairson employs professionals in its technology department, as well as certified valuation analysts, certified financial planners and specialists in the areas of health care, estate planning and retirement planning.

Carpathia Corp., a provider of accounting consulting, staffing and executive search and placement, announced its investment in a trio of California-based accounting services firms -- Irvine's Corporate DNA, Walnut Creek's the Nolan Group and San Francisco's A4C.

Net@Work, one of the largest Sage-only software resellers, announced that it has purchased Eagle Consulting Group, a top Sage Software MAS 90 and MAS 500 reseller in the tri-state area.Eagle Consulting Group's founder and chief executive, Debra Ellis, will serve as manager of consulting services.

Tegra Financial Partners, a subsidiary of Atlanta's Habif, Arogeti & Wynne LLP, announced that it has acquired pension-consulting firm Olson & Swenson Inc.Financial terms of the deal were not disclosed.

Boston-area firm Braver PC announced the acquisition of the practice of CPA Scott A. Kanter, formerly of Brown & Brown LLP. Financial terms were not disclosed.Cynthia Hickey, Kanter's associate for the last 15 years, will lead the transition of the accounting practice from Brown & Brown to Braver, and become Braver's first female shareholder.

Sage Software announced a deal to acquire the mobile division of Corum Corp., a Concord, Ontario-based business partner that specializes in customer relationship management.

Continuing with a push to help its own customers grow their business, Intuit Inc. will include a number of Google Inc. services aimed at boosting the online profile of small businesses in its QuickBooks 2007 product line.

Thomson Tax & Accounting, a Thomson Corp. business, has acquired PassOnline, a provider of electronic continuing professional education.

State and local tax consulting firm Ryan & Co. announced that it has acquired Royal Oak, Mich.-based JohnBernard LLC, as well as combined with Canadian sales tax recovery firm Robert Brakel & Associates Ltd.

Burr, Pilger & Mayer LLP has inked a deal to its second major merger this summer, with the planned acquisition of Walnut Creek, Calif.-based Leibowitz Shumaker Berger & Holsworth LLP.

RSM McGladrey Inc. announced a Labor Day deal to acquire Phoenix-based real estate tax firm, Gaughan & Nahom PLC.

In its second acquisition in as many months, Wolters Kluwer business CCH made another big splash in the small practitioner market with the announcement of its agreement to purchase Tax Wise Corp.

Emerging Information Systems Inc., the developer of NaviPlan financial planning software, announced it will acquire rival financial planning software developer Financial Profiles Inc.

Tax and accounting software and products provider CCH, a Wolters Kluwer business, has agreed to acquire ATX/Kleinrock, a provider of tax preparation and research materials. The terms of the deal were not disclosed.ATX/Kleinrock, headquartered in Rockville, Md., supplies tax preparation, accounting and tax research software products to more than 48,000 tax professionals and CPAs throughout the country.

Boston-area firm Braver PC announced an investment in a majority interest of Mansfield, Mass.-based Andrews Computer Systems Inc.Andrews serves more than 250 clients working in a range of applications and industries. The acquisition will gives Braver's clients access to a full-service computer technology company. The 10-member Andrews team will join the accounting firm's technology group and be marketed as Braver Technology Solutions LLC.