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Seth O’Hara

Seth is a Partner in Grant Thornton’s State and Local Tax group and leads the Sales & Use Tax Outsourcing Practice. With over twelve years of state and local tax experience, Seth blends his understanding of indirect tax compliance with his tax automation experience to provide best-in-class services to clients. He has executed or managed more than forty tax technology projects for sales, use, communication, and value added tax.

As a full-stack developer for over twenty years, Seth’s technology experience allows him to use a variety of sophisticated tools and custom-developed solutions to normalize and manage even the most complex data streams. His industry experience includes clients in the finance, manufacturing, oil and gas, retail, technology, and telecommunications sectors.

Seth O’Hara

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