PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, today announced it has been ranked #8 overall in Vault’s 2027 “Best Accounting Firms” rankings, advancing from its #9 spot in 2026 and further improving its position as a top 10 accounting firm nationwide.
PKF Investment Banking, the investment banking affiliate and subsidiary of PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, announced today the successful close of the sale of Armistead Mechanical, Inc. (“Armistead Mechanical” or the “Company”) to PremiStar, LLC, (“PremiStar”) a portfolio company of private equity firm Partners Group USA Corporation.
PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, today announced a collaboration with Asseta AI, an AI-driven financial platform purpose-built for family offices to support modernizing their financial operations.
PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, today announced that it has been recognized as one of the ‘2026 Best Companies to Work for in New York’ by the New York State Council of the Society for Human Resource Management, Best Companies Group, BridgeTower Media and Rochester Business Journal.
PKF Investment Banking, an affiliate and subsidiary of PKF O’Connor Davies Advisory LLC, announced the promotion of Alberto Sinesi to Partner, recognizing his significant contributions to the Firm’s growth in the middle market.
PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, today announced the appointment of 12 partners to lead the Firm’s nine industry groups.
If you oversee foreign-funding activities or endowments for a higher-education institution, regulatory scrutiny has increased.
PKF Investment Banking, the investment banking affiliate and subsidiary of PKF O’Connor Davies Advisory LLC, announced today that it represented Technical Air Systems, Inc. (“Technical Air” or the “Company”) in the sale of its business to AIR Control Concepts (“AIR”), a portfolio company of Blackstone.
PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, has been named one of “America’s Most Recommended Tax and Accounting Firms of 2026,” a prestigious national recognition presented by USA Today in collaboration with Statista.
The Supreme Court of Pennsylvania recently found that the City of Pittsburgh’s “jock tax” violates the Pennsylvania Constitution.
PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, today announced that Dave Hollander has joined the organization as a Partner.
PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, today released the results of its 2026 Long Island Economic Survey, conducted in partnership with the Siena Research Institute (SRI).

