US accounting, tax and advisory practice PKF O’Connor Davies has named Thomas R. Lemon as a partner in its commercial tax practice.

Lemon will be based at the company’s Newtown Square office in Pennsylvania.

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He brings nearly 20 years of public accounting experience, concentrating on complex tax advice for private equity firms, partnerships, corporations and high-net-worth individuals.

Lemon’s technical focus spans ASC 740, business development, mergers and acquisitions (M&A), partnership taxation, Subchapter K, and tax quality and risk management.

PKF O’Connor Davies Tax Service Line leader Benjamin A. Beskovic said: “Tom’s depth of experience and his ability to navigate complex tax scenarios make him a strong addition to our Commercial Tax practice.

“He brings a thoughtful, solutions-oriented approach that aligns with our commitment to delivering high-quality service to our clients.”

Before joining PKF O’Connor Davies, Lemon led a partnership tax consulting practice. He advised on the tax consequences of M&A, including ASC 805 purchase accounting issues.

He also worked closely with the disputes, claims and investigations practice, providing tax guidance on Section 83(b) elections, divorce-related tax questions, receiverships and representations, and warranties insurance claims.

Earlier in his career, Lemon held leadership posts at a private equity firm and at a “top national accounting firm”.

In those roles, he advised on complex partnership and transaction structures, built and led teams, and contributed to expanding tax consulting services.

Earlier this year, PKF O’Connor Davies appointed Rick Simonsen as the managing director of its Transaction Advisory Services practice.