Your Full-Service Accounting + Business Growth Advisory Partner

Jack Cust

(908) 782-7300

Jack Cust, CPA

With over 30 years of public accounting experience, John (Jack) Cust is a Partner in our Flemington location. Previously, Jack was the President and Founding Partner of Cust Dori & Benick providing leadership to the firm he founded in 1979.

Seeking to move beyond transactional client interactions, Jack develops close and personal relationships focused on understanding his client’s financial goals, company objectives, and business aspirations. With contacts across multiple industries, Jack has utilized his strategic vision and dynamic network of relationships, to architect partnerships that have fueled business growth throughout the New York Metropolitan Area.

Through his own commercial enterprises, Jack has successfully navigated every phase of the business life cycle. His business acumen is complimented with innovative branding and marketing initiatives designed to further accelerate growth.

Jack has a vast financial background leading complicated transactions and relationships with major banks, financial institutions and private capital sources.


BS – Accounting from Seton Hall University

Certified Public Accountant in New Jersey

Professional Affiliations

American Institute of Certified Public Accountants

New Jersey Society of Certified Public Accountants


As owner of Flemington’s Diamond Nation, the largest amateur Sports Dome in America and the largest turf baseball and softball complex in the nation, Jack Cust was named one of “The Most Influential People in NJ High School Sports.” With the expansion and recruiting opportunities out of Diamond Nation, Jack and his son have afforded NJ baseball players a platform to showcase their athletic talents and advance to play in the collegiate and professional ranks.

Beyond Wiss

When not in the office, Jack enjoys spending time with his family.

Copyright 2020, Wiss & Company, LLP Accountants & Consultants. All rights reserved.