About Us

Proudly offering access to big accounting firm services, resources and support while maintaining exceptional personalized care, attention and commitment

Our Mission

Our mission at Leone, McDonnell & Roberts, Professional Association is to create value and efficiencies for clients and enhance their business performance by providing timely, professional, personalized service and translating our expertise and insights into progressive solutions and realized opportunities.

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Our Vision

Leone, McDonnell & Roberts, Professional Association will bring the best of large and small firm qualities to our clients. We have a high-performance, innovative style, a preference for forging close client relationships, and an unbridled enthusiasm for the possibilities that emerging technologies could bring to the profession. Our vision is to be a premier, full-service CPA firm–one that becomes a benchmark for other firms of similar size, impresses its clients the first and every time with its professionalism and expertise, and fully empowers its employees to work hard and be successful.

Our Foundation

For 50 years, relationships have served as the very foundation of Leone, McDonnell & Roberts. Since 1973, our colleagues, our clients, and our communities have been at the center of everything we do. Our people are everything — directly and significantly contributing to our rich history of growth and success over the last half-century.


Our people are our greatest asset. They are the foundation and reason for our growth and success.

Our Dover office has moved (effective 6/3/24). Stop by and visit us soon!

NEW ADDRESS: 273 Locust Street, Suite 207 in Dover