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PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, today announced that nine of its partners have been named to the Forbes 2026 Best-in-State CPAs list, a recognition that identifies outstanding certified public accountants across the United States based on professional excellence and impact within their respective states.
PKF O’Connor Davies, one of the nation’s leading accounting, tax and advisory practices, today announced it has been named the market share leader among accounting firms serving private foundations in excess of $25 million in assets in the Northeast by FoundationMark, a market intelligence and benchmarking platform.
PKF O’Connor Davies, one of the nation’s largest accounting, tax and advisory practices, today announced that Rick Simonsen, CPA, CM&AA, has joined the organization as Managing Director within its Transaction Advisory Services practice.
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.

