JOST Financial Management Corp. of North Plainfield is a financial planner in North Plainfield, New Jersey, serving high-net-worth individuals and families seeking personalized, long-term financial strategies. The firm specializes in retirement planning, wealth management, estate strategy, tax planning, risk management, and business exit planning, offering tailored solutions for clients who value individualized service over impersonal institutional models. With a foundation dating back to 1984 and continued leadership by Stephen DeRosa since 2007, the firm maintains a strong regional presence while serving clients nationwide. It holds a perfect 5.00 rating based on reviews, reflecting consistent client satisfaction and trust.
Founded by Peter DeRosa, the firm’s name was inspired by his sons’ names, John and Stephen, forming “JOST,” a reflection of its family-centered values. As independent advisors, the team works directly for clients rather than corporate interests, enabling them to design holistic financial strategies using the full breadth of available products. The firm emphasizes a collaborative process, beginning with a complimentary initial consultation, followed by a detailed strategy session and implementation meeting, supported by a pre-appointment kit and personalized documentation. Services include investment management, retirement goal-setting, estate planning, and insurance solutions tailored to long-term financial goals.
The firm is located at 55 Shawnee Drive in North Plainfield, approximately a mile from the Warren Township Police Department and Warren Township Rescue Squad, and about 0.6 miles from Washington Rock State Park and the Scenic View at Washington Rock. It is also within a short distance of the Warrenbrook Golf Course and the Warren Township Branch Library, placing it in a quiet, accessible residential area near key community facilities.
With a legacy of steady growth and client retention rooted in integrity and personalized service, JOST Financial Management Corp. stands as a trusted partner for families in North Plainfield and beyond, helping them build lasting legacies with confidence and clarity.