Chargebee, a subscription billing and revenue management software company, has bought RevLock, a revenue recognition software developer.

Katz, Sapper & Miller acquired Noble Consulting Services; Herbein + Co. bought Tubiello-Harr & Associates; Armanino to merge in Holtzman Partners; and Avalara acquired Track1099.

Dean Dorton Allen Ford merged in Penny Longobardo & Co.; and Tronconi Segarra & Associates added Feeley, Bonaventura & Hyzy CPAs.

VSH CPAs' addition of Ahn Tax & Business Advisors also brings in its founder and previous VSH partner Lydia Ahn, who will be rejoining the firm as a partner.

Accounting Today mourns the loss of our longtime columnist Dom Esposito. In this column, he and consultant Tony Zecca write about the trend of private equity firms investing in CPA firms.

The Top 25 Firm is expanding in its home territory by merging in Brigante, Cameron, Watters & Strong LLP.

Private equity firms are increasing their funding of accounting firms in a pair of deals announced this week, with Lightyear Capital partnering with Schellman & Co., and CVC Capital Partners investing in CFGI.

This is the company’s second doc management acquisition, having bought Doc.It in June.

The Top 15 Firm will add in West Virginia-based Arnett Carbis Toothman in November.

Intuit Inc., the maker of TurboTax and QuickBooks software, agreed to buy privately held email marketing firm Mailchimp for $12 billion in cash and stock, uniting two providers of services for small businesses.